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On this page, we present all of the funds holding ATKR from our database of 13F filers, detailed in the table below.
The first column indicates the name of each of the funds holding ATKR, with a link to that fund's top holdings. The next columns
indicate the amount of ATKR stock held by each of the funds holding ATKR, followed by the ATKR position size held by the fund, and lastly the
date of the quarterly filing period the data represents. In total, we count 439 funds holding ATKR within the last two filing periods in our coverage universe of 13F filers,
with the largest position size having been reported by BlackRock Inc.. For more details on the positions held by BlackRock Inc.
(or by any of the other funds holding ATKR), click the fund name in the "Holder" column of the funds-holding-ATKR table below.
| Holder | Amount | Position Size
($ in 1000's) | As of |
|---|
 BlackRock Inc. | 4,463,211 | $714,114 | 12/31/2023 | | ATKR | 4,463,211 | $714,114 | 12/31/2023 | | Vanguard Group Inc. | 4,138,230 | $662,117 | 12/31/2023 | | ATKR | 4,138,230 | $662,117 | 12/31/2023 | | FMR LLC | 1,777,197 | $284,351 | 12/31/2023 | | ATKR | 1,777,197 | $284,351 | 12/31/2023 | | Macquarie Group Ltd. | 1,261,629 | $201,861 | 12/31/2023 | | ATKR | 1,261,629 | $201,861 | 12/31/2023 | | River Road Asset Management LLC | 1,260,290 | $201,646 | 12/31/2023 | | ATKR | 1,260,290 | $201,646 | 12/31/2023 | | Boston Partners | 1,197,025 | $191,329 | 12/31/2023 | | ATKR | 1,197,025 | $191,329 | 12/31/2023 | | Dimensional Fund Advisors LP | 1,067,162 | $170,753 | 12/31/2023 | | ATKR | 1,067,162 | $170,753 | 12/31/2023 | | State Street Corp | 893,600 | $142,976 | 12/31/2023 | | ATKR | 893,600 | $142,976 | 12/31/2023 | | LSV Asset Management | 890,700 | $142,512 | 12/31/2023 | | ATKR | 890,700 | $142,512 | 12/31/2023 | | Geode Capital Management LLC | 838,501 | $134,175 | 12/31/2023 | | ATKR | 838,501 | $134,175 | 12/31/2023 | | Gates Capital Management Inc. | 822,321 | $131,571 | 12/31/2023 | | ATKR | 822,321 | $131,571 | 12/31/2023 | | Invesco Ltd. | 786,606 | $125,857 | 12/31/2023 | | ATKR | 786,606 | $125,857 | 12/31/2023 | | Fuller & Thaler Asset Management Inc. | 725,829 | $116,133 | 12/31/2023 | | ATKR | 725,829 | $116,133 | 12/31/2023 | | Allspring Global Investments Holdings LLC | 629,420 | $100,707 | 12/31/2023 | | ATKR | 629,420 | $100,707 | 12/31/2023 | | GW&K Investment Management LLC | 572,854 | $91,657 | 12/31/2023 | | ATKR | 572,854 | $91,657 | 12/31/2023 | | Zurcher Kantonalbank Zurich Cantonalbank | 564,384 | $90,301 | 12/31/2023 | | ATKR | 564,384 | $90,301 | 12/31/2023 | | Charles Schwab Investment Management Inc. | 557,985 | $89,278 | 12/31/2023 | | ATKR | 557,985 | $89,278 | 12/31/2023 | | Ameriprise Financial Inc. | 514,747 | $82,359 | 12/31/2023 | | ATKR | 514,747 | $82,359 | 12/31/2023 | | American Century Companies Inc. | 489,880 | $78,381 | 12/31/2023 | | ATKR | 489,880 | $78,381 | 12/31/2023 | | Standard Life Aberdeen plc | 451,866 | $72,299 | 12/31/2023 | | ATKR | 451,866 | $72,299 | 12/31/2023 | | Hill City Capital LP | 448,759 | $71,801 | 12/31/2023 | | ATKR | 448,759 | $71,801 | 12/31/2023 | | Price T Rowe Associates Inc. MD | 444,471 | $71,116 | 12/31/2023 | | ATKR | 444,471 | $71,116 | 12/31/2023 | | Norges Bank | 425,679 | $68,109 | 12/31/2023 | | ATKR | 425,679 | $68,109 | 12/31/2023 | | Northern Trust Corp | 388,073 | $62,092 | 12/31/2023 | | ATKR | 388,073 | $62,092 | 12/31/2023 | | William Blair Investment Management LLC | 386,534 | $61,845 | 12/31/2023 | | ATKR | 386,534 | $61,845 | 12/31/2023 | | Federated Hermes Inc. | 385,886 | $61,742 | 12/31/2023 | | ATKR | 385,886 | $61,742 | 12/31/2023 | | Skandinaviska Enskilda Banken AB publ | 373,140 | $59,702 | 12/31/2023 | | ATKR | 373,140 | $59,702 | 12/31/2023 | | Nuveen Asset Management LLC | 372,173 | $59,548 | 12/31/2023 | | ATKR | 372,173 | $59,548 | 12/31/2023 | | Morgan Stanley | 360,649 | $57,704 | 12/31/2023 | | ATKR | 360,649 | $57,704 | 12/31/2023 | | ACK Asset Management LLC | 360,000 | $57,600 | 12/31/2023 | | ATKR | 360,000 | $57,600 | 12/31/2023 | | Clearbridge Investments LLC | 346,866 | $55,499 | 12/31/2023 | | ATKR | 346,866 | $55,499 | 12/31/2023 | | Arrowstreet Capital Limited Partnership | 325,541 | $52,087 | 12/31/2023 | | ATKR | 325,541 | $52,087 | 12/31/2023 | | JPMorgan Chase & Co. | 305,645 | $48,903 | 12/31/2023 | | ATKR | 305,645 | $48,903 | 12/31/2023 | | Goldman Sachs Group Inc. | 300,429 | $48,069 | 12/31/2023 | | ATKR | 300,429 | $48,069 | 12/31/2023 | | Victory Capital Management Inc. | 289,129 | $46,261 | 12/31/2023 | | ATKR | 289,129 | $46,261 | 12/31/2023 | | First Trust Advisors LP | 268,268 | $42,923 | 12/31/2023 | | ATKR | 268,268 | $42,923 | 12/31/2023 | | Balyasny Asset Management LLC | 243,695 | $38,991 | 12/31/2023 | | ATKR | 243,695 | $38,991 | 12/31/2023 | | Mirae Asset Global Investments Co. Ltd. | 228,198 | $36,512 | 12/31/2023 | | ATKR | 228,198 | $36,512 | 12/31/2023 | | E. Ohman J or Asset Management AB | 215,773 | $34,524 | 12/31/2023 | | ATKR | 215,773 | $34,524 | 12/31/2023 | | Bank of America Corp DE | 215,138 | $34,422 | 12/31/2023 | | ATKR | 215,138 | $34,422 | 12/31/2023 | | Royce & Associates LP | 207,275 | $33,164 | 12/31/2023 | | ATKR | 207,275 | $33,164 | 12/31/2023 | | Principal Financial Group Inc. | 200,175 | $32,028 | 12/31/2023 | | ATKR | 200,175 | $32,028 | 12/31/2023 | | Millennium Management LLC | 196,441 | $31,431 | 12/31/2023 | | ATKR | 196,441 | $31,431 | 12/31/2023 | | Schroder Investment Management Group | 190,085 | $30,414 | 12/31/2023 | | ATKR | 190,085 | $30,414 | 12/31/2023 | | Bank of New York Mellon Corp | 183,555 | $29,369 | 12/31/2023 | | ATKR | 183,555 | $29,369 | 12/31/2023 | | Rockefeller Capital Management L.P. | 180,339 | $28,854 | 12/31/2023 | | ATKR | 180,339 | $28,854 | 12/31/2023 | | Raymond James & Associates | 179,663 | $28,746 | 12/31/2023 | | ATKR | 179,663 | $28,746 | 12/31/2023 | | Deutsche Bank AG | 167,340 | $26,774 | 12/31/2023 | | ATKR | 167,340 | $26,774 | 12/31/2023 | | Silvercrest Asset Management Group LLC | 166,496 | $26,639 | 12/31/2023 | | ATKR | 166,496 | $26,639 | 12/31/2023 | | Putnam Investments LLC | 160,784 | $25,725 | 12/31/2023 | | ATKR | 160,784 | $25,725 | 12/31/2023 | | Natixis Advisors L.P. | 160,726 | $25,715 | 12/31/2023 | | ATKR | 160,726 | $25,715 | 12/31/2023 | | WS Portfolio Advisory LLC | 152,016 | $24,323 | 12/31/2023 | | ATKR | 152,016 | $24,323 | 12/31/2023 | | Royal Bank of Canada | 149,689 | $23,951 | 12/31/2023 | | ATKR | 149,689 | $23,951 | 12/31/2023 | | Envestnet Asset Management Inc. | 135,057 | $21,609 | 12/31/2023 | | ATKR | 135,057 | $21,609 | 12/31/2023 |  Susquehanna International Group LLP | | $21,404 | 12/31/2023 | | ATKR | 102,975 | $16,476 | 12/31/2023 | | Call | 78,500 | $12,560 | 12/31/2023 | | Put | 47,700 | $7,632 | 12/31/2023 | | Nordea Investment Management AB | 126,530 | $20,371 | 12/31/2023 | | ATKR | 126,530 | $20,371 | 12/31/2023 | | Loomis Sayles & Co. L P | 127,135 | $20,342 | 12/31/2023 | | ATKR | 127,135 | $20,342 | 12/31/2023 | | Citadel Advisors LLC | | $19,675 | 12/31/2023 | | ATKR | 145,068 | $23,211 | 12/31/2023 | | Put | 76,300 | $12,208 | 12/31/2023 | | Call | 54,200 | $8,672 | 12/31/2023 | | Wedge Capital Management L L P NC | 122,068 | $19,531 | 12/31/2023 | | ATKR | 122,068 | $19,531 | 12/31/2023 | | Jane Street Group LLC | | $19,168 | 12/31/2023 | | Call | 72,900 | $11,664 | 12/31/2023 | | ATKR | 52,503 | $8,400 | 12/31/2023 | | Put | 5,600 | $896 | 12/31/2023 | | Palisade Capital Management LLC NJ | 117,173 | $18,748 | 12/31/2023 | | ATKR | 117,173 | $18,748 | 12/31/2023 | | Jupiter Asset Management Ltd. | 105,485 | $16,878 | 12/31/2023 | | ATKR | 105,485 | $16,878 | 12/31/2023 | | Capital International Investors | 105,245 | $16,839 | 12/31/2023 | | ATKR | 105,245 | $16,839 | 12/31/2023 | | J. Goldman & Co LP | 95,875 | $15,340 | 12/31/2023 | | ATKR | 95,875 | $15,340 | 12/31/2023 | | Bridgewater Associates LP | 94,625 | $15,140 | 12/31/2023 | | ATKR | 94,625 | $15,140 | 12/31/2023 | | Aperture Investors LLC | 83,255 | $13,321 | 12/31/2023 | | ATKR | 83,255 | $13,321 | 12/31/2023 | | Bessemer Group Inc. | 81,319 | $13,011 | 12/31/2023 | | ATKR | 81,319 | $13,011 | 12/31/2023 | | Globeflex Capital L P | 79,792 | $12,767 | 12/31/2023 | | ATKR | 79,792 | $12,767 | 12/31/2023 | | Cambria Investment Management L.P. | 76,311 | $12,210 | 12/31/2023 | | ATKR | 76,311 | $12,210 | 12/31/2023 | | Legal & General Group Plc | 75,729 | $12,117 | 12/31/2023 | | ATKR | 75,729 | $12,117 | 12/31/2023 | | Man Group plc | 75,320 | $12,051 | 12/31/2023 | | ATKR | 75,320 | $12,051 | 12/31/2023 | | Swiss National Bank | 74,500 | $11,920 | 12/31/2023 | | ATKR | 74,500 | $11,920 | 12/31/2023 | | Phocas Financial Corp. | 74,373 | $11,900 | 12/31/2023 | | ATKR | 74,373 | $11,900 | 12/31/2023 | | California Public Employees Retirement System | 74,026 | $11,844 | 12/31/2023 | | ATKR | 74,026 | $11,844 | 12/31/2023 | | Voya Investment Management LLC | 73,777 | $11,804 | 12/31/2023 | | ATKR | 73,777 | $11,804 | 12/31/2023 | | Barclays PLC | 72,869 | $11,658 | 12/31/2023 | | ATKR | 72,869 | $11,658 | 12/31/2023 | | North Point Portfolio Managers Corp OH | 72,192 | $11,551 | 12/31/2023 | | ATKR | 72,192 | $11,551 | 12/31/2023 | | Van Den Berg Management I Inc. | 62,104 | $9,937 | 12/31/2023 | | ATKR | 62,104 | $9,937 | 12/31/2023 | | Peregrine Capital Management LLC | 60,320 | $9,651 | 12/31/2023 | | ATKR | 60,320 | $9,651 | 12/31/2023 | | Segall Bryant & Hamill LLC | 60,155 | $9,625 | 12/31/2023 | | ATKR | 60,155 | $9,625 | 12/31/2023 | | Two Sigma Investments LP | 59,785 | $9,566 | 12/31/2023 | | ATKR | 59,785 | $9,566 | 12/31/2023 | | Harber Asset Management LLC | 58,604 | $9,377 | 12/31/2023 | | ATKR | 58,604 | $9,377 | 12/31/2023 | | State of Wisconsin Investment Board | 57,722 | $9,236 | 12/31/2023 | | ATKR | 57,722 | $9,236 | 12/31/2023 | | New York State Common Retirement Fund | 57,012 | $9,122 | 12/31/2023 | | ATKR | 57,012 | $9,122 | 12/31/2023 | | RE Advisers Corp | 56,300 | $9,008 | 12/31/2023 | | ATKR | 56,300 | $9,008 | 12/31/2023 | | Russell Investments Group Ltd. | 55,641 | $8,903 | 12/31/2023 | | ATKR | 55,641 | $8,903 | 12/31/2023 | | Commonwealth of Pennsylvania Public School Empls Retrmt SYS | 55,380 | $8,861 | 12/31/2023 | | ATKR | 55,380 | $8,861 | 12/31/2023 | | Rhumbline Advisers | 55,002 | $8,800 | 12/31/2023 | | ATKR | 55,002 | $8,800 | 12/31/2023 | | UBS Asset Management Americas Inc. | 54,745 | $8,759 | 12/31/2023 | | ATKR | 54,745 | $8,759 | 12/31/2023 | | Crawford Fund Management LLC | 54,200 | $8,672 | 12/31/2023 | | ATKR | 54,200 | $8,672 | 12/31/2023 | | Credit Suisse AG | 53,838 | $8,614 | 12/31/2023 | | ATKR | 53,838 | $8,614 | 12/31/2023 | | UBS Group AG | 52,435 | $8,390 | 12/31/2023 | | ATKR | 52,435 | $8,390 | 12/31/2023 | | BNP Paribas Arbitrage SA | 50,196 | $8,031 | 12/31/2023 | | ATKR | 50,196 | $8,031 | 12/31/2023 | | Alliancebernstein L.P. | 50,132 | $8,021 | 12/31/2023 | | ATKR | 50,132 | $8,021 | 12/31/2023 | | D. E. Shaw & Co. Inc. | 50,034 | $8,005 | 12/31/2023 | | ATKR | 50,034 | $8,005 | 12/31/2023 | | Algert Global LLC | 49,206 | $7,873 | 12/31/2023 | | ATKR | 49,206 | $7,873 | 12/31/2023 | | Comerica Bank | 48,452 | $7,752 | 12/31/2023 | | ATKR | 48,452 | $7,752 | 12/31/2023 | | iA Global Asset Management Inc. | 46,660 | $7,466 | 12/31/2023 | | ATKR | 46,660 | $7,466 | 12/31/2023 | | Manatuck Hill Partners LLC | 46,600 | $7,456 | 12/31/2023 | | ATKR | 46,600 | $7,456 | 12/31/2023 | | Sei Investments Co. | 45,669 | $7,307 | 12/31/2023 | | ATKR | 45,669 | $7,307 | 12/31/2023 | | AXA S.A. | 44,900 | $7,184 | 12/31/2023 | | ATKR | 44,900 | $7,184 | 12/31/2023 | | Qube Research & Technologies Ltd | 43,886 | $7,022 | 12/31/2023 | | ATKR | 43,886 | $7,022 | 12/31/2023 | | Livforsakringsbolaget Skandia Omsesidigt | 43,300 | $6,928 | 12/31/2023 | | ATKR | 43,300 | $6,928 | 12/31/2023 | | PDT Partners LLC | 42,887 | $6,862 | 12/31/2023 | | ATKR | 42,887 | $6,862 | 12/31/2023 | | Caisse DE Depot ET Placement DU Quebec | 42,100 | $6,736 | 12/31/2023 | | ATKR | 42,100 | $6,736 | 12/31/2023 | | Schonfeld Strategic Advisors LLC | 41,963 | $6,714 | 12/31/2023 | | ATKR | 41,963 | $6,714 | 12/31/2023 | | Seizert Capital Partners LLC | 40,805 | $6,529 | 12/31/2023 | | ATKR | 40,805 | $6,529 | 12/31/2023 | | Zacks Investment Management | 40,249 | $6,440 | 12/31/2023 | | ATKR | 40,249 | $6,440 | 12/31/2023 | | California State Teachers Retirement System | 39,981 | $6,397 | 12/31/2023 | | ATKR | 39,981 | $6,397 | 12/31/2023 | | Great Lakes Advisors LLC | 38,838 | $6,214 | 12/31/2023 | | ATKR | 38,838 | $6,214 | 12/31/2023 | | Winmill & CO. Inc. | 38,823 | $6,212 | 12/31/2023 | | ATKR | 38,823 | $6,212 | 12/31/2023 | | Shellback Capital LP | 36,100 | $5,776 | 12/31/2023 | | ATKR | 36,100 | $5,776 | 12/31/2023 | | North Growth Management Ltd. | 36,000 | $5,769 | 12/31/2023 | | ATKR | 36,000 | $5,769 | 12/31/2023 | | Truist Financial Corp | 35,924 | $5,748 | 12/31/2023 | | ATKR | 35,924 | $5,748 | 12/31/2023 | | Clark Capital Management Group Inc. | 33,031 | $5,285 | 12/31/2023 | | ATKR | 33,031 | $5,285 | 12/31/2023 | | Knights of Columbus Asset Advisors LLC | 32,239 | $5,158 | 12/31/2023 | | ATKR | 32,239 | $5,158 | 12/31/2023 | | Moody Aldrich Partners LLC | 32,113 | $5,138 | 12/31/2023 | | ATKR | 32,113 | $5,138 | 12/31/2023 | | Prudential PLC | 31,972 | $5,116 | 12/31/2023 | | ATKR | 31,972 | $5,116 | 12/31/2023 | | HighTower Advisors LLC | 31,816 | $5,089 | 12/31/2023 | | ATKR | 31,816 | $5,089 | 12/31/2023 | | Spire Wealth Management | 33,162 | $5,075 | 12/31/2023 | | ATKR | 33,162 | $5,075 | 12/31/2023 | | Bank of Montreal Can | | $5,017 | 12/31/2023 | | Call | 30,000 | $4,894 | 12/31/2023 | | ATKR | 756 | $123 | 12/31/2023 | | Oak Ridge Investments LLC | 31,327 | $5,012 | 12/31/2023 | | ATKR | 31,327 | $5,012 | 12/31/2023 | | Janus Henderson Group PLC | 30,535 | $4,886 | 12/31/2023 | | ATKR | 30,535 | $4,886 | 12/31/2023 | | Wells Fargo & Company MN | 30,267 | $4,843 | 12/31/2023 | | ATKR | 30,267 | $4,843 | 12/31/2023 | | Vident Advisory LLC | 30,035 | $4,806 | 12/31/2023 | | ATKR | 30,035 | $4,806 | 12/31/2023 | | Forge First Asset Management Inc. | 30,000 | $4,800 | 12/31/2023 | | ATKR | 30,000 | $4,800 | 12/31/2023 | | Ensign Peak Advisors Inc | 29,535 | $4,726 | 12/31/2023 | | ATKR | 29,535 | $4,726 | 12/31/2023 | | HRT Financial LP | 27,989 | $4,478 | 12/31/2023 | | ATKR | 27,989 | $4,478 | 12/31/2023 | | AQR Capital Management LLC | 26,666 | $4,267 | 12/31/2023 | | ATKR | 26,666 | $4,267 | 12/31/2023 | | PEAK6 Investments LLC | | $4,247 | 12/31/2023 | | Call | 28,000 | $4,480 | 12/31/2023 | | Put | 3,100 | $496 | 12/31/2023 | | ATKR | 1,644 | $263 | 12/31/2023 | | Prudential Financial Inc. | 26,461 | $4,234 | 12/31/2023 | | ATKR | 26,461 | $4,234 | 12/31/2023 | | Ausbil Investment Management Ltd | 21,440 | $4,150 | 03/31/2024 | | ATKR | 21,440 | $4,150 | 03/31/2024 | | Paradiem LLC | 25,766 | $4,123 | 12/31/2023 | | ATKR | 25,766 | $4,123 | 12/31/2023 | | JB Capital Partners LP | 25,000 | $4,000 | 12/31/2023 | | ATKR | 25,000 | $4,000 | 12/31/2023 | | Tudor Investment Corp Et Al | 24,983 | $3,997 | 12/31/2023 | | ATKR | 24,983 | $3,997 | 12/31/2023 | | Ziegler Capital Management LLC | 24,752 | $3,960 | 12/31/2023 | | ATKR | 24,752 | $3,960 | 12/31/2023 | | BI Asset Management Fondsmaeglerselskab A S | 24,569 | $3,931 | 12/31/2023 | | ATKR | 24,569 | $3,931 | 12/31/2023 | | Centric Wealth Management | 24,381 | $3,901 | 12/31/2023 | | ATKR | 24,381 | $3,901 | 12/31/2023 | | Vontobel Holding Ltd. | 23,819 | $3,811 | 12/31/2023 | | ATKR | 23,819 | $3,811 | 12/31/2023 | | O Shaughnessy Asset Management LLC | 23,602 | $3,776 | 12/31/2023 | | ATKR | 23,602 | $3,776 | 12/31/2023 | | Castellan Group LLC | 23,255 | $3,721 | 12/31/2023 | | ATKR | 23,255 | $3,721 | 12/31/2023 | | Redwood Investments LLC | 23,239 | $3,718 | 12/31/2023 | | ATKR | 23,239 | $3,718 | 12/31/2023 | | Group One Trading L.P. | | $3,600 | 12/31/2023 | | Call | 22,500 | $3,600 | 12/31/2023 | | National Bank of Canada FI | 21,960 | $3,581 | 12/31/2023 | | ATKR | 21,960 | $3,581 | 12/31/2023 | | Empowered Funds LLC | 21,730 | $3,477 | 12/31/2023 | | ATKR | 21,730 | $3,477 | 12/31/2023 | | Alberta Investment Management Corp | 21,200 | $3,392 | 12/31/2023 | | ATKR | 21,200 | $3,392 | 12/31/2023 | | Walleye Capital LLC | | $3,376 | 12/31/2023 | | Call | 23,700 | $3,792 | 12/31/2023 | | Put | 2,600 | $416 | 12/31/2023 | | Raymond James Trust N.A. | 20,985 | $3,358 | 12/31/2023 | | ATKR | 20,985 | $3,358 | 12/31/2023 | | Quantbot Technologies LP | 20,821 | $3,331 | 12/31/2023 | | ATKR | 20,821 | $3,331 | 12/31/2023 | | Arosa Capital Management LP | 20,800 | $3,328 | 12/31/2023 | | ATKR | 20,800 | $3,328 | 12/31/2023 | | The Manufacturers Life Insurance Company | 20,134 | $3,221 | 12/31/2023 | | ATKR | 20,134 | $3,221 | 12/31/2023 | | State of New Jersey Common Pension Fund D | 19,968 | $3,195 | 12/31/2023 | | ATKR | 19,968 | $3,195 | 12/31/2023 | | MetLife Investment Management LLC | 19,819 | $3,171 | 12/31/2023 | | ATKR | 19,819 | $3,171 | 12/31/2023 | | Grantham Mayo Van Otterloo & Co. LLC | 19,802 | $3,168 | 12/31/2023 | | ATKR | 19,802 | $3,168 | 12/31/2023 | | Capital Research Global Investors | 19,430 | $3,109 | 12/31/2023 | | ATKR | 19,430 | $3,109 | 12/31/2023 | | Stifel Financial Corp | 19,080 | $3,053 | 12/31/2023 | | ATKR | 19,080 | $3,053 | 12/31/2023 | | American International Group Inc. | 18,844 | $3,015 | 12/31/2023 | | ATKR | 18,844 | $3,015 | 12/31/2023 | | Jefferies Financial Group Inc. | 18,700 | $2,992 | 12/31/2023 | | ATKR | 18,700 | $2,992 | 12/31/2023 | | Los Angeles Capital Management & Equity Research Inc. | 15,323 | $2,917 | 03/31/2024 | | ATKR | 15,323 | $2,917 | 03/31/2024 | | Hudson Bay Capital Management LP | 18,000 | $2,880 | 12/31/2023 | | ATKR | 18,000 | $2,880 | 12/31/2023 | | Franklin Resources Inc. | 17,734 | $2,837 | 12/31/2023 | | ATKR | 17,734 | $2,837 | 12/31/2023 | | National Asset Management Inc. | 17,663 | $2,826 | 12/31/2023 | | ATKR | 17,663 | $2,826 | 12/31/2023 | | DekaBank Deutsche Girozentrale | 17,378 | $2,776 | 12/31/2023 | | ATKR | 17,378 | $2,776 | 12/31/2023 | | ExodusPoint Capital Management LP | 17,273 | $2,764 | 12/31/2023 | | ATKR | 17,273 | $2,764 | 12/31/2023 | | Isthmus Partners LLC | 16,989 | $2,718 | 12/31/2023 | | ATKR | 16,989 | $2,718 | 12/31/2023 | | Citigroup Inc. | 16,770 | $2,683 | 12/31/2023 | | ATKR | 16,770 | $2,683 | 12/31/2023 | | Hsbc Holdings PLC | 16,522 | $2,652 | 12/31/2023 | | ATKR | 16,522 | $2,652 | 12/31/2023 | | QRG Capital Management Inc. | 16,361 | $2,618 | 12/31/2023 | | ATKR | 16,361 | $2,618 | 12/31/2023 | | Jetstream Capital LLC | 16,000 | $2,560 | 12/31/2023 | | ATKR | 16,000 | $2,560 | 12/31/2023 | | Orion Portfolio Solutions LLC | 16,080 | $2,511 | 12/31/2023 | | ATKR | 16,080 | $2,511 | 12/31/2023 | | Mercer Global Advisors Inc. ADV | 15,588 | $2,494 | 12/31/2023 | | ATKR | 15,588 | $2,494 | 12/31/2023 | | Twelve Points Wealth Management LLC | 12,860 | $2,448 | 03/31/2024 | | ATKR | 12,860 | $2,448 | 03/31/2024 | | Argent Capital Management LLC | 15,191 | $2,431 | 12/31/2023 | | ATKR | 15,191 | $2,431 | 12/31/2023 | | Stratos Wealth Partners LTD. | 11,852 | $2,256 | 03/31/2024 | | ATKR | 11,852 | $2,256 | 03/31/2024 | | Mutual of America Capital Management LLC | 13,920 | $2,227 | 12/31/2023 | | ATKR | 13,920 | $2,227 | 12/31/2023 | | Cubist Systematic Strategies LLC | | $2,195 | 12/31/2023 | | Call | 14,100 | $2,256 | 12/31/2023 | | Put | 11,000 | $1,760 | 12/31/2023 | | ATKR | 10,620 | $1,699 | 12/31/2023 | | Riverwater Partners LLC | 13,245 | $2,119 | 12/31/2023 | | ATKR | 13,245 | $2,119 | 12/31/2023 | | Chartwell Investment Partners LLC | 13,219 | $2,115 | 12/31/2023 | | ATKR | 13,219 | $2,115 | 12/31/2023 | | Mitsubishi UFJ Trust & Banking Corp | 13,036 | $2,084 | 12/31/2023 | | ATKR | 13,036 | $2,084 | 12/31/2023 | | Toroso Investments LLC | 12,529 | $2,005 | 12/31/2023 | | ATKR | 12,529 | $2,005 | 12/31/2023 | | Connectus Wealth LLC | 12,486 | $1,998 | 12/31/2023 | | ATKR | 12,486 | $1,998 | 12/31/2023 | | Teacher Retirement System of Texas | 12,464 | $1,994 | 12/31/2023 | | ATKR | 12,464 | $1,994 | 12/31/2023 | | Sheaff Brock Investment Advisors LLC | 12,352 | $1,976 | 12/31/2023 | | ATKR | 12,352 | $1,976 | 12/31/2023 | | Virtus Family Office LLC | 12,023 | $1,924 | 12/31/2023 | | ATKR | 12,023 | $1,924 | 12/31/2023 | | Adams Wealth Management | 11,659 | $1,865 | 12/31/2023 | | ATKR | 11,659 | $1,865 | 12/31/2023 | | Jump Financial LLC | 11,600 | $1,856 | 12/31/2023 | | ATKR | 11,600 | $1,856 | 12/31/2023 | | Van ECK Associates Corp | 11,586 | $1,854 | 12/31/2023 | | ATKR | 11,586 | $1,854 | 12/31/2023 | | State Board of Administration of Florida Retirement System | 11,308 | $1,809 | 12/31/2023 | | ATKR | 11,308 | $1,809 | 12/31/2023 | | FORA Capital LLC | 11,110 | $1,778 | 12/31/2023 | | ATKR | 11,110 | $1,778 | 12/31/2023 | | Dana Investment Advisors Inc. | 11,006 | $1,761 | 12/31/2023 | | ATKR | 11,006 | $1,761 | 12/31/2023 | | Allianz Asset Management GmbH | 10,911 | $1,746 | 12/31/2023 | | ATKR | 10,911 | $1,746 | 12/31/2023 | | Stratos Wealth Advisors LLC | 9,079 | $1,728 | 03/31/2024 | | ATKR | 9,079 | $1,728 | 03/31/2024 | | Illinois Municipal Retirement Fund | 10,771 | $1,723 | 12/31/2023 | | ATKR | 10,771 | $1,723 | 12/31/2023 | | Arizona State Retirement System | 10,565 | $1,690 | 12/31/2023 | | ATKR | 10,565 | $1,690 | 12/31/2023 | | Hussman Strategic Advisors Inc. | 10,500 | $1,680 | 12/31/2023 | | ATKR | 10,500 | $1,680 | 12/31/2023 | | Tower Research Capital LLC TRC | 10,264 | $1,642 | 12/31/2023 | | ATKR | 10,264 | $1,642 | 12/31/2023 | | Robotti Robert | 10,000 | $1,600 | 12/31/2023 | | ATKR | 10,000 | $1,600 | 12/31/2023 | | Maven Securities LTD | 10,000 | $1,600 | 12/31/2023 | | ATKR | 10,000 | $1,600 | 12/31/2023 | | Aquatic Capital Management LLC | 9,700 | $1,552 | 12/31/2023 | | ATKR | 9,700 | $1,552 | 12/31/2023 | | Entropy Technologies LP | 8,908 | $1,425 | 12/31/2023 | | ATKR | 8,908 | $1,425 | 12/31/2023 | | OLD Mission Capital LLC | 8,874 | $1,420 | 12/31/2023 | | ATKR | 8,874 | $1,420 | 12/31/2023 | | Edgestream Partners L.P. | 8,808 | $1,409 | 12/31/2023 | | ATKR | 8,808 | $1,409 | 12/31/2023 | | Pathstone Holdings LLC | 8,730 | $1,397 | 12/31/2023 | | ATKR | 8,730 | $1,397 | 12/31/2023 | | Voloridge Investment Management LLC | 8,099 | $1,296 | 12/31/2023 | | ATKR | 8,099 | $1,296 | 12/31/2023 | | MML Investors Services LLC | 8,072 | $1,292 | 12/31/2023 | | ATKR | 8,072 | $1,292 | 12/31/2023 | | Advisor Group Holdings Inc. | 7,911 | $1,266 | 12/31/2023 | | ATKR | 7,911 | $1,266 | 12/31/2023 | | Virtus Investment Advisers Inc. | 7,898 | $1,264 | 12/31/2023 | | ATKR | 7,898 | $1,264 | 12/31/2023 | | Oppenheimer Asset Management Inc. | 7,847 | $1,256 | 12/31/2023 | | ATKR | 7,847 | $1,256 | 12/31/2023 | | Park Avenue Securities LLC | 6,593 | $1,255 | 03/31/2024 | | ATKR | 6,593 | $1,255 | 03/31/2024 | | Canada Pension Plan Investment Board | 7,800 | $1,248 | 12/31/2023 | | ATKR | 7,800 | $1,248 | 12/31/2023 | | State of Wyoming | 7,509 | $1,201 | 12/31/2023 | | ATKR | 7,509 | $1,201 | 12/31/2023 | | Exchange Traded Concepts LLC | 5,940 | $1,131 | 03/31/2024 | | ATKR | 5,940 | $1,131 | 03/31/2024 | | Jennison Associates LLC | 7,071 | $1,131 | 12/31/2023 | | ATKR | 7,071 | $1,131 | 12/31/2023 | | Meritage Portfolio Management | 7,061 | $1,130 | 12/31/2023 | | ATKR | 7,061 | $1,130 | 12/31/2023 | | Chase Investment Counsel Corp | 7,000 | $1,120 | 12/31/2023 | | ATKR | 7,000 | $1,120 | 12/31/2023 | | Lakewood Asset Management LLC | 6,874 | $1,100 | 12/31/2023 | | ATKR | 6,874 | $1,100 | 12/31/2023 | | Mariner LLC | 6,712 | $1,074 | 12/31/2023 | | ATKR | 6,712 | $1,074 | 12/31/2023 | | DZ BANK AG Deutsche Zentral Genossenschafts Bank Frankfurt am Main | 6,570 | $1,051 | 12/31/2023 | | ATKR | 6,570 | $1,051 | 12/31/2023 | | Empirical Finance LLC | 6,528 | $1,044 | 12/31/2023 | | ATKR | 6,528 | $1,044 | 12/31/2023 | | ProShare Advisors LLC | 6,277 | $1,004 | 12/31/2023 | | ATKR | 6,277 | $1,004 | 12/31/2023 | | Lazard Asset Management LLC | 6,251 | $999 | 12/31/2023 | | ATKR | 6,251 | $999 | 12/31/2023 | | MorganRosel Wealth Management LLC | 6,236 | $998 | 12/31/2023 | | ATKR | 6,236 | $998 | 12/31/2023 | | Shell Asset Management Co. | 6,045 | $967 | 12/31/2023 | | ATKR | 6,045 | $967 | 12/31/2023 | | Cerity Partners LLC | 6,015 | $962 | 12/31/2023 | | ATKR | 6,015 | $962 | 12/31/2023 | | Cresset Asset Management LLC | 6,005 | $961 | 12/31/2023 | | ATKR | 6,005 | $961 | 12/31/2023 | | Kerrisdale Advisers LLC | 5,925 | $948 | 12/31/2023 | | ATKR | 5,925 | $948 | 12/31/2023 | | Diametric Capital LP | 5,875 | $940 | 12/31/2023 | | ATKR | 5,875 | $940 | 12/31/2023 | | SummerHaven Investment Management LLC | 4,845 | $922 | 03/31/2024 | | ATKR | 4,845 | $922 | 03/31/2024 | | Handelsbanken Fonder AB | 5,700 | $912 | 12/31/2023 | | ATKR | 5,700 | $912 | 12/31/2023 | | Amalgamated Bank | 5,500 | $880 | 12/31/2023 | | ATKR | 5,500 | $880 | 12/31/2023 | | US Bancorp DE | 5,193 | $831 | 12/31/2023 | | ATKR | 5,193 | $831 | 12/31/2023 | | Point72 Middle East FZE | 5,147 | $823 | 12/31/2023 | | ATKR | 5,147 | $823 | 12/31/2023 | | Cornercap Investment Counsel Inc. | 5,017 | $803 | 12/31/2023 | | ATKR | 5,017 | $803 | 12/31/2023 | | Virtu Financial LLC | 4,991 | $798 | 12/31/2023 | | ATKR | 4,991 | $798 | 12/31/2023 | | ARP Americas LP | 4,945 | $791 | 12/31/2023 | | ATKR | 4,945 | $791 | 12/31/2023 | | Prairiewood Capital LLC | 4,823 | $772 | 12/31/2023 | | ATKR | 4,823 | $772 | 12/31/2023 | | Measured Wealth Private Client Group LLC | 4,740 | $758 | 12/31/2023 | | ATKR | 4,740 | $758 | 12/31/2023 | | Public Employees Retirement Association of Colorado | 4,702 | $752 | 12/31/2023 | | ATKR | 4,702 | $752 | 12/31/2023 | | Ifrah Financial Services Inc. | 4,685 | $750 | 12/31/2023 | | ATKR | 4,685 | $750 | 12/31/2023 | | EMC Capital Management | 4,684 | $749 | 12/31/2023 | | ATKR | 4,684 | $749 | 12/31/2023 | | Hancock Whitney Corp | 4,678 | $748 | 12/31/2023 | | ATKR | 4,678 | $748 | 12/31/2023 | | Pictet Asset Management Holding SA | 4,650 | $744 | 12/31/2023 | | ATKR | 4,650 | $744 | 12/31/2023 | | Commonwealth Equity Services LLC | 4,633 | $741 | 12/31/2023 | | ATKR | 4,633 | $741 | 12/31/2023 | | Gotham Asset Management LLC | 4,576 | $732 | 12/31/2023 | | ATKR | 4,576 | $732 | 12/31/2023 | | Willis Investment Counsel | 4,527 | $724 | 12/31/2023 | | ATKR | 4,527 | $724 | 12/31/2023 | | Wolverine Trading LLC | | $720 | 12/31/2023 | | Call | 10,600 | $1,696 | 12/31/2023 | | Put | 6,100 | $976 | 12/31/2023 | | New Vernon Capital Holdings II LLC | 4,425 | $708 | 12/31/2023 | | ATKR | 4,425 | $708 | 12/31/2023 | | Aviva PLC | 4,415 | $706 | 12/31/2023 | | ATKR | 4,415 | $706 | 12/31/2023 | | Captrust Financial Advisors | 4,329 | $693 | 12/31/2023 | | ATKR | 4,329 | $693 | 12/31/2023 | | Weil Company Inc. | 4,316 | $691 | 12/31/2023 | | ATKR | 4,316 | $691 | 12/31/2023 | | Bailard Inc. | 4,300 | $688 | 12/31/2023 | | ATKR | 4,300 | $688 | 12/31/2023 | | Strs Ohio | 4,300 | $688 | 12/31/2023 | | ATKR | 4,300 | $688 | 12/31/2023 | | Campbell & CO Investment Adviser LLC | 4,214 | $674 | 12/31/2023 | | ATKR | 4,214 | $674 | 12/31/2023 | | Systematic Alpha Investments LLC | 4,200 | $672 | 12/31/2023 | | ATKR | 4,200 | $672 | 12/31/2023 | | Two Sigma Securities LLC | | $671 | 12/31/2023 | | Call | 5,100 | $816 | 12/31/2023 | | Put | 2,600 | $416 | 12/31/2023 | | ATKR | 1,696 | $271 | 12/31/2023 | | Glenmede Trust Co. NA | 4,101 | $656 | 12/31/2023 | | ATKR | 4,101 | $656 | 12/31/2023 | | Cannon Global Investment Management LLC | 3,400 | $647 | 03/31/2024 | | ATKR | 3,400 | $647 | 03/31/2024 | | New York Life Investment Management LLC | 4,019 | $643 | 12/31/2023 | | ATKR | 4,019 | $643 | 12/31/2023 | | Miller Value Partners LLC | 4,000 | $640 | 12/31/2023 | | ATKR | 4,000 | $640 | 12/31/2023 | | Ameritas Investment Partners Inc. | 3,900 | $624 | 12/31/2023 | | ATKR | 3,900 | $624 | 12/31/2023 | | Opinicus Capital Inc. | 3,263 | $621 | 03/31/2024 | | ATKR | 3,263 | $621 | 03/31/2024 | | Duality Advisers LP | 3,850 | $616 | 12/31/2023 | | ATKR | 3,850 | $616 | 12/31/2023 | | LPL Financial LLC | 3,845 | $615 | 12/31/2023 | | ATKR | 3,845 | $615 | 12/31/2023 | | Lido Advisors LLC | 3,814 | $610 | 12/31/2023 | | ATKR | 3,814 | $610 | 12/31/2023 | | Yorktown Management & Research Co Inc | 3,800 | $608 | 12/31/2023 | | ATKR | 3,800 | $608 | 12/31/2023 | | Janney Montgomery Scott LLC | 3,794 | $607 | 12/31/2023 | | ATKR | 3,794 | $607 | 12/31/2023 | | Great West Life Assurance Co. Can | 3,737 | $594 | 12/31/2023 | | ATKR | 3,737 | $594 | 12/31/2023 | | Pitcairn Co. | 3,691 | $591 | 12/31/2023 | | ATKR | 3,691 | $591 | 12/31/2023 | | Verition Fund Management LLC | 3,653 | $584 | 12/31/2023 | | ATKR | 3,653 | $584 | 12/31/2023 | | Creative Planning | 3,625 | $580 | 12/31/2023 | | ATKR | 3,625 | $580 | 12/31/2023 | | Arkadios Wealth Advisors | 3,572 | $572 | 12/31/2023 | | ATKR | 3,572 | $572 | 12/31/2023 | | Two Sigma Advisers LP | 3,500 | $560 | 12/31/2023 | | ATKR | 3,500 | $560 | 12/31/2023 | | Degroof Petercam Asset Management | 3,500 | $560 | 12/31/2023 | | ATKR | 3,500 | $560 | 12/31/2023 | | Guggenheim Capital LLC | 3,496 | $559 | 12/31/2023 | | ATKR | 3,496 | $559 | 12/31/2023 | | New York State Teachers Retirement System | 3,465 | $554 | 12/31/2023 | | ATKR | 3,465 | $554 | 12/31/2023 | | Banque Cantonale Vaudoise | 2,869 | $546 | 03/31/2024 | | ATKR | 2,869 | $546 | 03/31/2024 | | Steward Partners Investment Advisory LLC | 3,366 | $539 | 12/31/2023 | | ATKR | 3,366 | $539 | 12/31/2023 | | Envestnet Portfolio Solutions Inc. | 3,349 | $536 | 12/31/2023 | | ATKR | 3,349 | $536 | 12/31/2023 | | MAI Capital Management | 3,276 | $524 | 12/31/2023 | | ATKR | 3,276 | $524 | 12/31/2023 | | Intrust Bank NA | 3,248 | $520 | 12/31/2023 | | ATKR | 3,248 | $520 | 12/31/2023 | | Mackenzie Financial Corp | 3,243 | $519 | 12/31/2023 | | ATKR | 3,243 | $519 | 12/31/2023 | | Cetera Investment Advisers | 3,225 | $516 | 12/31/2023 | | ATKR | 3,225 | $516 | 12/31/2023 | | SYSTM Wealth Solutions LLC | 3,215 | $514 | 12/31/2023 | | ATKR | 3,215 | $514 | 12/31/2023 | | AIA Group Ltd | 3,132 | $501 | 12/31/2023 | | ATKR | 3,132 | $501 | 12/31/2023 | | Neuberger Berman Group LLC | 3,115 | $498 | 12/31/2023 | | ATKR | 3,115 | $498 | 12/31/2023 | | ClearAlpha Technologies LP | 3,093 | $495 | 12/31/2023 | | ATKR | 3,093 | $495 | 12/31/2023 | | The PNC Financial Services Group Inc. | 2,911 | $466 | 12/31/2023 | | ATKR | 2,911 | $466 | 12/31/2023 | | GSA Capital Partners LLP | 2,878 | $460 | 12/31/2023 | | ATKR | 2,878 | $460 | 12/31/2023 | | Vestcor Inc | 2,816 | $451 | 12/31/2023 | | ATKR | 2,816 | $451 | 12/31/2023 | | LRT Capital Management LLC | 2,762 | $442 | 12/31/2023 | | ATKR | 2,762 | $442 | 12/31/2023 | | Cetera Advisor Networks LLC | 2,721 | $435 | 12/31/2023 | | ATKR | 2,721 | $435 | 12/31/2023 | | PFG Advisors | 2,641 | $423 | 12/31/2023 | | ATKR | 2,641 | $423 | 12/31/2023 | | Roman Butler Fullerton & Co. | 2,755 | $422 | 12/31/2023 | | ATKR | 2,755 | $422 | 12/31/2023 | | Cambridge Investment Research Advisors Inc. | 2,614 | $418 | 12/31/2023 | | ATKR | 2,614 | $418 | 12/31/2023 | | Lattice Capital Management LLC | 2,600 | $416 | 12/31/2023 | | ATKR | 2,600 | $416 | 12/31/2023 | | Whalen Wealth Management Inc. | 2,586 | $414 | 12/31/2023 | | ATKR | 2,586 | $414 | 12/31/2023 | | RFG Advisory LLC | 2,164 | $412 | 03/31/2024 | | ATKR | 2,164 | $412 | 03/31/2024 | | Chesapeake Capital Corp IL | 2,570 | $411 | 12/31/2023 | | ATKR | 2,570 | $411 | 12/31/2023 | | Cutler Group LP | | $399 | 12/31/2023 | | ATKR | 2,500 | $400 | 12/31/2023 | | Put | 2,100 | $1 | 12/31/2023 | | Centiva Capital LP | 2,443 | $391 | 12/31/2023 | | ATKR | 2,443 | $391 | 12/31/2023 | | Wealth Enhancement Advisory Services LLC | 2,033 | $387 | 03/31/2024 | | ATKR | 2,033 | $387 | 03/31/2024 | | CSS LLC IL | 2,400 | $384 | 12/31/2023 | | ATKR | 2,400 | $384 | 12/31/2023 | | CWM Advisors LLC | 2,396 | $383 | 12/31/2023 | | ATKR | 2,396 | $383 | 12/31/2023 | | Fox Run Management L.L.C. | 2,387 | $382 | 12/31/2023 | | ATKR | 2,387 | $382 | 12/31/2023 | | XTX Topco Ltd | 2,369 | $379 | 12/31/2023 | | ATKR | 2,369 | $379 | 12/31/2023 | | Linden Thomas Advisory Services LLC | 2,347 | $376 | 12/31/2023 | | ATKR | 2,347 | $376 | 12/31/2023 | | Regions Financial Corp | 2,342 | $375 | 12/31/2023 | | ATKR | 2,342 | $375 | 12/31/2023 | | Xponance Inc. | 2,313 | $370 | 12/31/2023 | | ATKR | 2,313 | $370 | 12/31/2023 | | Smith Group Asset Management LLC | 2,274 | $364 | 12/31/2023 | | ATKR | 2,274 | $364 | 12/31/2023 | | Connor Clark & Lunn Investment Management Ltd. | 2,247 | $360 | 12/31/2023 | | ATKR | 2,247 | $360 | 12/31/2023 | | AE Wealth Management LLC | 2,341 | $359 | 12/31/2023 | | ATKR | 2,341 | $359 | 12/31/2023 | | GWM Advisors LLC | 2,237 | $358 | 12/31/2023 | | ATKR | 2,237 | $358 | 12/31/2023 | | Public Employees Retirement System of Ohio | 2,158 | $345 | 12/31/2023 | | ATKR | 2,158 | $345 | 12/31/2023 | | Metropolitan Life Insurance Co NY | 2,150 | $344 | 12/31/2023 | | ATKR | 2,150 | $344 | 12/31/2023 | | JustInvest LLC | 2,147 | $344 | 12/31/2023 | | ATKR | 2,147 | $344 | 12/31/2023 | | Alps Advisors Inc. | 2,109 | $337 | 12/31/2023 | | ATKR | 2,109 | $337 | 12/31/2023 | | Creative Financial Designs Inc. ADV | 2,074 | $332 | 12/31/2023 | | ATKR | 2,074 | $332 | 12/31/2023 | | Stephenson National Bank & Trust | 1,739 | $331 | 03/31/2024 | | ATKR | 1,739 | $331 | 03/31/2024 | | Raymond James Financial Services Advisors Inc. | 2,058 | $329 | 12/31/2023 | | ATKR | 2,058 | $329 | 12/31/2023 | | Ritholtz Wealth Management | 2,042 | $327 | 12/31/2023 | | ATKR | 2,042 | $327 | 12/31/2023 | | Sendero Wealth Management LLC | 1,704 | $324 | 03/31/2024 | | ATKR | 1,704 | $324 | 03/31/2024 | | Prelude Capital Management LLC | 1,985 | $318 | 12/31/2023 | | ATKR | 1,985 | $318 | 12/31/2023 | | Advisory Services Network LLC | 1,978 | $316 | 12/31/2023 | | ATKR | 1,978 | $316 | 12/31/2023 | | Gladstone Institutional Advisory LLC | 1,917 | $307 | 12/31/2023 | | ATKR | 1,917 | $307 | 12/31/2023 | | Pearl River Capital LLC | 1,906 | $305 | 12/31/2023 | | ATKR | 1,906 | $305 | 12/31/2023 | | Merit Financial Group LLC | 1,885 | $302 | 12/31/2023 | | ATKR | 1,885 | $302 | 12/31/2023 | | Vinva Investment Management Ltd | 1,885 | $302 | 12/31/2023 | | ATKR | 1,885 | $302 | 12/31/2023 | | Sfmg LLC | 1,858 | $297 | 12/31/2023 | | ATKR | 1,858 | $297 | 12/31/2023 | | Brown Advisory Inc. | 1,805 | $289 | 12/31/2023 | | ATKR | 1,805 | $289 | 12/31/2023 | | Silver Coast Investments LLC | 1,809 | $289 | 12/31/2023 | | ATKR | 1,809 | $289 | 12/31/2023 | | Avantax Advisory Services Inc. | 1,774 | $284 | 12/31/2023 | | ATKR | 1,774 | $284 | 12/31/2023 | | HighPoint Advisor Group LLC | 1,576 | $284 | 12/31/2023 | | ATKR | 1,576 | $284 | 12/31/2023 | | Alpha DNA Investment Management LLC | 1,755 | $281 | 12/31/2023 | | ATKR | 1,755 | $281 | 12/31/2023 | | Apollon Wealth Management LLC | 1,749 | $280 | 12/31/2023 | | ATKR | 1,749 | $280 | 12/31/2023 | | Argent Trust Co | 1,741 | $279 | 12/31/2023 | | ATKR | 1,741 | $279 | 12/31/2023 | | Candriam Luxembourg S.C.A. | 1,740 | $278 | 12/31/2023 | | ATKR | 1,740 | $278 | 12/31/2023 | | AlphaMark Advisors LLC | 1,716 | $275 | 12/31/2023 | | ATKR | 1,716 | $275 | 12/31/2023 | | Stiles Financial Services Inc | 1,680 | $269 | 12/31/2023 | | ATKR | 1,680 | $269 | 12/31/2023 | | WINTON GROUP Ltd | 1,656 | $265 | 12/31/2023 | | ATKR | 1,656 | $265 | 12/31/2023 | | Mach 1 Financial Group Inc. | 1,533 | $245 | 12/31/2023 | | ATKR | 1,533 | $245 | 12/31/2023 | | Susquehanna Portfolio Strategies LLC | 1,510 | $242 | 12/31/2023 | | ATKR | 1,510 | $242 | 12/31/2023 | | Brevan Howard Capital Management LP | 1,498 | $240 | 12/31/2023 | | ATKR | 1,498 | $240 | 12/31/2023 | | Pinnacle Associates Ltd. | 1,492 | $239 | 12/31/2023 | | ATKR | 1,492 | $239 | 12/31/2023 | | Sumitomo Mitsui Trust Holdings Inc. | 1,468 | $235 | 12/31/2023 | | ATKR | 1,468 | $235 | 12/31/2023 | | Industrial Alliance Investment Management Inc. | 1,430 | $229 | 12/31/2023 | | ATKR | 1,430 | $229 | 12/31/2023 | | Balboa Wealth Partners | 1,425 | $228 | 12/31/2023 | | ATKR | 1,425 | $228 | 12/31/2023 | | SG Americas Securities LLC | 1,406 | $225 | 12/31/2023 | | ATKR | 1,406 | $225 | 12/31/2023 | | Marietta Investment Partners LLC | 1,378 | $220 | 12/31/2023 | | ATKR | 1,378 | $220 | 12/31/2023 | | Wintrust Investments LLC | 1,370 | $219 | 12/31/2023 | | ATKR | 1,370 | $219 | 12/31/2023 | | Sawgrass Asset Management LLC | 1,364 | $218 | 12/31/2023 | | ATKR | 1,364 | $218 | 12/31/2023 | | Nebula Research & Development LLC | 1,360 | $218 | 12/31/2023 | | ATKR | 1,360 | $218 | 12/31/2023 | | TFO TDC LLC | 1,357 | $217 | 12/31/2023 | | ATKR | 1,357 | $217 | 12/31/2023 | | Peterson Wealth Services | 1,347 | $216 | 12/31/2023 | | ATKR | 1,347 | $216 | 12/31/2023 | | Chilton Investment Co. LLC | 1,322 | $212 | 12/31/2023 | | ATKR | 1,322 | $212 | 12/31/2023 | | Ronald Blue Trust Inc. | 1,413 | $212 | 12/31/2023 | | ATKR | 1,413 | $212 | 12/31/2023 | | Dark Forest Capital Management LP | 1,304 | $209 | 12/31/2023 | | ATKR | 1,304 | $209 | 12/31/2023 | | MQS Management LLC | 1,276 | $204 | 12/31/2023 | | ATKR | 1,276 | $204 | 12/31/2023 | | Power Wealth Management LLC | 1,268 | $203 | 12/31/2023 | | ATKR | 1,268 | $203 | 12/31/2023 | | Harbour Investments Inc. | 1,112 | $178 | 12/31/2023 | | ATKR | 1,112 | $178 | 12/31/2023 | | Kapitalo Investimentos Ltda | 938 | $150 | 12/31/2023 | | ATKR | 938 | $150 | 12/31/2023 | | Benjamin Edwards Inc. | 917 | $147 | 12/31/2023 | | ATKR | 917 | $147 | 12/31/2023 | | Covestor Ltd | 870 | $139 | 12/31/2023 | | ATKR | 870 | $139 | 12/31/2023 | | KBC Group NV | 724 | $116 | 12/31/2023 | | ATKR | 724 | $116 | 12/31/2023 | | Nisa Investment Advisors LLC | 596 | $95 | 12/31/2023 | | ATKR | 596 | $95 | 12/31/2023 | | Virtus Fund Advisers LLC | 578 | $92 | 12/31/2023 | | ATKR | 578 | $92 | 12/31/2023 | | Huntington National Bank | 549 | $88 | 12/31/2023 | | ATKR | 549 | $88 | 12/31/2023 | | Quest Partners LLC | 539 | $86 | 12/31/2023 | | ATKR | 539 | $86 | 12/31/2023 | | Parkside Financial Bank & Trust | 468 | $75 | 12/31/2023 | | ATKR | 468 | $75 | 12/31/2023 | | McGlone Suttner Wealth Management Inc. | 449 | $72 | 12/31/2023 | | ATKR | 449 | $72 | 12/31/2023 | | NBC Securities Inc. | 365 | $69 | 03/31/2024 | | ATKR | 365 | $69 | 03/31/2024 | | Principal Securities Inc. | 413 | $66 | 12/31/2023 | | ATKR | 413 | $66 | 12/31/2023 | | Plato Investment Management Ltd | 379 | $61 | 12/31/2023 | | ATKR | 379 | $61 | 12/31/2023 | | Quadrant Capital Group LLC | 366 | $59 | 12/31/2023 | | ATKR | 366 | $59 | 12/31/2023 | | Montag A & Associates Inc. | 363 | $58 | 12/31/2023 | | ATKR | 363 | $58 | 12/31/2023 | | Salem Investment Counselors Inc. | 219 | $42 | 03/31/2024 | | ATKR | 219 | $42 | 03/31/2024 | | Lindbrook Capital LLC | 239 | $38 | 12/31/2023 | | ATKR | 239 | $38 | 12/31/2023 | | Anchor Investment Management LLC | 200 | $32 | 12/31/2023 | | ATKR | 200 | $32 | 12/31/2023 | | Orion Capital Management LLC | 200 | $32 | 12/31/2023 | | ATKR | 200 | $32 | 12/31/2023 | | Proequities Inc. | | $30 | 12/31/2023 | | ATKR | 187 | $30 | 12/31/2023 | | Put | 0 | $0 | 12/31/2023 | | Call | 0 | $0 | 12/31/2023 | | CWM LLC | 140 | $27 | 03/31/2024 | | ATKR | 140 | $27 | 03/31/2024 | | Point72 Asia Singapore Pte. Ltd. | 169 | $27 | 12/31/2023 | | ATKR | 169 | $27 | 12/31/2023 | | Lee Financial Co | 155 | $25 | 12/31/2023 | | ATKR | 155 | $25 | 12/31/2023 | | Pacer Advisors Inc. | 158 | $25 | 12/31/2023 | | ATKR | 158 | $25 | 12/31/2023 | | ICA Group Wealth Management LLC | 159 | $25 | 12/31/2023 | | ATKR | 159 | $25 | 12/31/2023 | | Quarry LP | 156 | $25 | 12/31/2023 | | ATKR | 156 | $25 | 12/31/2023 | | Nomura Asset Management Co. Ltd. | 150 | $24 | 12/31/2023 | | ATKR | 150 | $24 | 12/31/2023 | | Key Financial Inc | 145 | $23 | 12/31/2023 | | ATKR | 145 | $23 | 12/31/2023 | | Signaturefd LLC | 130 | $21 | 12/31/2023 | | ATKR | 130 | $21 | 12/31/2023 | | Raleigh Capital Management Inc. | 130 | $21 | 12/31/2023 | | ATKR | 130 | $21 | 12/31/2023 | | GAMMA Investing LLC | 107 | $20 | 03/31/2024 | | ATKR | 107 | $20 | 03/31/2024 | | First Horizon Advisors Inc. | 122 | $20 | 12/31/2023 | | ATKR | 122 | $20 | 12/31/2023 | | Geneos Wealth Management Inc. | 126 | $20 | 12/31/2023 | | ATKR | 126 | $20 | 12/31/2023 | | Private Trust Co. NA | 113 | $18 | 12/31/2023 | | ATKR | 113 | $18 | 12/31/2023 | | UMB Bank N A MO | 104 | $17 | 12/31/2023 | | ATKR | 104 | $17 | 12/31/2023 | | Assetmark Inc. | 100 | $16 | 12/31/2023 | | ATKR | 100 | $16 | 12/31/2023 | | Daiwa Securities Group Inc. | 100 | $16 | 12/31/2023 | | ATKR | 100 | $16 | 12/31/2023 | | Farther Finance Advisors LLC | 92 | $15 | 12/31/2023 | | ATKR | 92 | $15 | 12/31/2023 | | RFP Financial Group LLC | 79 | $13 | 12/31/2023 | | ATKR | 79 | $13 | 12/31/2023 | | Richardson Financial Services Inc. | 72 | $12 | 12/31/2023 | | ATKR | 72 | $12 | 12/31/2023 | | EverSource Wealth Advisors LLC | 68 | $11 | 12/31/2023 | | ATKR | 68 | $11 | 12/31/2023 | | Hexagon Capital Partners LLC | 71 | $11 | 12/31/2023 | | ATKR | 71 | $11 | 12/31/2023 | | Wetzel Investment Advisors Inc. | 68 | $11 | 12/31/2023 | | ATKR | 68 | $11 | 12/31/2023 | | ST Germain D J Co. Inc. | 55 | $10 | 03/31/2024 | | ATKR | 55 | $10 | 03/31/2024 | | Benjamin F. Edwards & Company Inc. | 60 | $10 | 12/31/2023 | | ATKR | 60 | $10 | 12/31/2023 | | Mather Group LLC. | 47 | $9 | 03/31/2024 | | ATKR | 47 | $9 | 03/31/2024 | | CI Investments Inc. | 58 | $9 | 12/31/2023 | | ATKR | 58 | $9 | 12/31/2023 | | Mendota Financial Group LLC | 55 | $9 | 12/31/2023 | | ATKR | 55 | $9 | 12/31/2023 | | LGT Financial Advisors LLC | 50 | $8 | 12/31/2023 | | ATKR | 50 | $8 | 12/31/2023 | | Hanseatic Management Services Inc. | 44 | $7 | 12/31/2023 | | ATKR | 44 | $7 | 12/31/2023 | | Washington Trust Advisors Inc. | 42 | $7 | 12/31/2023 | | ATKR | 42 | $7 | 12/31/2023 | | SRS Capital Advisors Inc. | 38 | $6 | 12/31/2023 | | ATKR | 38 | $6 | 12/31/2023 | | Parallel Advisors LLC | 36 | $6 | 12/31/2023 | | ATKR | 36 | $6 | 12/31/2023 | | Global Retirement Partners LLC | 39 | $6 | 12/31/2023 | | ATKR | 39 | $6 | 12/31/2023 | | Bell Investment Advisors Inc | 40 | $6 | 12/31/2023 | | ATKR | 40 | $6 | 12/31/2023 | | WealthCollab LLC | 39 | $6 | 12/31/2023 | | ATKR | 39 | $6 | 12/31/2023 | | Jones Financial Companies Lllp | 30 | $5 | 12/31/2023 | | ATKR | 30 | $5 | 12/31/2023 | | JFS Wealth Advisors LLC | 33 | $5 | 12/31/2023 | | ATKR | 33 | $5 | 12/31/2023 | | Trivant Custom Portfolio Group LLC | 20 | $4 | 03/31/2024 | | ATKR | 20 | $4 | 03/31/2024 | | Allworth Financial LP | 24 | $4 | 12/31/2023 | | ATKR | 24 | $4 | 12/31/2023 | | CENTRAL TRUST Co | 19 | $3 | 12/31/2023 | | ATKR | 19 | $3 | 12/31/2023 | | Mitsubishi UFJ Kokusai Asset Management Co. Ltd. | 22 | $3 | 12/31/2023 | | ATKR | 22 | $3 | 12/31/2023 | | Frazier Financial Advisors LLC | 19 | $3 | 12/31/2023 | | ATKR | 19 | $3 | 12/31/2023 | | Private Wealth Management Group LLC | 17 | $3 | 12/31/2023 | | ATKR | 17 | $3 | 12/31/2023 | | Valley National Advisers Inc. | 10 | $2 | 12/31/2023 | | ATKR | 10 | $2 | 12/31/2023 | | Cornerstone Planning Group LLC | 10 | $2 | 12/31/2023 | | ATKR | 10 | $2 | 12/31/2023 | | SJS Investment Consulting Inc. | 13 | $2 | 12/31/2023 | | ATKR | 13 | $2 | 12/31/2023 | | Sachetta LLC | 13 | $2 | 12/31/2023 | | ATKR | 13 | $2 | 12/31/2023 | | Toth Financial Advisory Corp | 5 | $1 | 03/31/2024 | | ATKR | 5 | $1 | 03/31/2024 | | Massmutual Trust Co. FSB ADV | 4 | $1 | 03/31/2024 | | ATKR | 4 | $1 | 03/31/2024 | | Nelson Van Denburg & Campbell Wealth Management Group LLC | 4 | $1 | 12/31/2023 | | ATKR | 4 | $1 | 12/31/2023 | | Avion Wealth | 4 | $1 | 12/31/2023 | | ATKR | 4 | $1 | 12/31/2023 | | DiNuzzo Private Wealth Inc. | 8 | $1 | 12/31/2023 | | ATKR | 8 | $1 | 12/31/2023 | | Versant Capital Management Inc | 1 | $0 | 03/31/2024 | | ATKR | 1 | $0 | 03/31/2024 | | Natixis | 2 | $0 | 12/31/2023 | | ATKR | 2 | $0 | 12/31/2023 | | Robeco Institutional Asset Management B.V. | 0 | $0 | 12/31/2023 | | ATKR | 0 | $0 | 12/31/2023 | | Financial Gravity Asset Management Inc. | 0 | $0 | 12/31/2023 | | ATKR | 0 | $0 | 12/31/2023 | | Valued Wealth Advisors LLC | 2 | $0 | 12/31/2023 | | ATKR | 2 | $0 | 12/31/2023 | | Walleye Trading LLC | | $-62 | 12/31/2023 | | Put | 4,500 | $720 | 12/31/2023 | | Call | 3,500 | $560 | 12/31/2023 | | ATKR | 610 | $98 | 12/31/2023 | | Twin Tree Management LP | | $-10,634 | 12/31/2023 | | Put | 107,600 | $17,216 | 12/31/2023 | | Call | 40,800 | $6,528 | 12/31/2023 | | ATKR | 336 | $54 | 12/31/2023 | | Genus Capital Management Inc. | 26,260 | $-4,201,600 | 12/31/2023 | | Put | 26,260 | $4,201,600 | 12/31/2023 |
See Summary: Institutional Holders of ATKR
See Details: Top 10 Hedge Funds Holding ATKR
Also See: ATKR Insider Buying
Also See: ATKR Holdings Changes
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