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On this page, we present all of the funds holding ATRC from our database of 13F filers, detailed in the table below.
The first column indicates the name of each of the funds holding ATRC, with a link to that fund's top holdings. The next columns
indicate the amount of ATRC stock held by each of the funds holding ATRC, followed by the ATRC position size held by the fund, and lastly the
date of the quarterly filing period the data represents. In total, we count 231 funds holding ATRC within the last two filing periods in our coverage universe of 13F filers,
with the largest position size having been reported by Vanguard Group Inc.. For more details on the positions held by Vanguard Group Inc.
(or by any of the other funds holding ATRC), click the fund name in the "Holder" column of the funds-holding-ATRC table below.
Holder | Amount | Position Size
($ in 1000's) | As of |
Vanguard Group Inc. | 4,766,029 | $170,100 | 12/31/2023 | ATRC | 4,766,029 | $170,100 | 12/31/2023 | BlackRock Inc. | 4,193,887 | $149,680 | 12/31/2023 | ATRC | 4,193,887 | $149,680 | 12/31/2023 | Alliancebernstein L.P. | 3,394,036 | $121,133 | 12/31/2023 | ATRC | 3,394,036 | $121,133 | 12/31/2023 | Champlain Investment Partners LLC | 2,105,395 | $75,142 | 12/31/2023 | ATRC | 2,105,395 | $75,142 | 12/31/2023 | Macquarie Group Ltd. | 1,449,726 | $51,741 | 12/31/2023 | ATRC | 1,449,726 | $51,741 | 12/31/2023 | First Light Asset Management LLC | 1,349,443 | $48,162 | 12/31/2023 | ATRC | 1,349,443 | $48,162 | 12/31/2023 | Wellington Management Group LLP | 1,329,457 | $47,448 | 12/31/2023 | ATRC | 1,329,457 | $47,448 | 12/31/2023 | State Street Corp | 1,204,415 | $42,986 | 12/31/2023 | ATRC | 1,204,415 | $42,986 | 12/31/2023 | Invesco Ltd. | 1,162,050 | $41,474 | 12/31/2023 | ATRC | 1,162,050 | $41,474 | 12/31/2023 | Fred Alger Management LLC | 1,154,058 | $41,188 | 12/31/2023 | ATRC | 1,154,058 | $41,188 | 12/31/2023 | Geode Capital Management LLC | 1,032,524 | $36,855 | 12/31/2023 | ATRC | 1,032,524 | $36,855 | 12/31/2023 | Nuveen Asset Management LLC | 1,022,678 | $36,499 | 12/31/2023 | ATRC | 1,022,678 | $36,499 | 12/31/2023 | Dimensional Fund Advisors LP | 1,001,161 | $35,734 | 12/31/2023 | ATRC | 1,001,161 | $35,734 | 12/31/2023 | Credit Suisse AG | 990,381 | $35,347 | 12/31/2023 | ATRC | 990,381 | $35,347 | 12/31/2023 | TimesSquare Capital Management LLC | 976,110 | $34,837 | 12/31/2023 | ATRC | 976,110 | $34,837 | 12/31/2023 | Fiera Capital Corp | 881,826 | $31,472 | 12/31/2023 | ATRC | 881,826 | $31,472 | 12/31/2023 | Hood River Capital Management LLC | 841,102 | $30,019 | 12/31/2023 | ATRC | 841,102 | $30,019 | 12/31/2023 | Loomis Sayles & Co. L P | 834,130 | $29,770 | 12/31/2023 | ATRC | 834,130 | $29,770 | 12/31/2023 | Bellevue Group AG | 817,883 | $29,190 | 12/31/2023 | ATRC | 817,883 | $29,190 | 12/31/2023 | GW&K Investment Management LLC | 805,109 | $28,734 | 12/31/2023 | ATRC | 805,109 | $28,734 | 12/31/2023 | Neuberger Berman Group LLC | 759,221 | $27,130 | 12/31/2023 | ATRC | 759,221 | $27,130 | 12/31/2023 | Wasatch Advisors Inc. | 720,677 | $21,923 | 03/31/2024 | ATRC | 720,677 | $21,923 | 03/31/2024 | Millennium Management LLC | | $18,244 | 12/31/2023 | ATRC | 441,178 | $15,746 | 12/31/2023 | Call | 70,000 | $2,498 | 12/31/2023 | Morgan Stanley | 494,778 | $17,659 | 12/31/2023 | ATRC | 494,778 | $17,659 | 12/31/2023 | Northern Trust Corp | 465,162 | $16,602 | 12/31/2023 | ATRC | 465,162 | $16,602 | 12/31/2023 | BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 456,762 | $16,302 | 12/31/2023 | ATRC | 456,762 | $16,302 | 12/31/2023 | Emerald Advisers LLC | 446,280 | $15,928 | 12/31/2023 | ATRC | 446,280 | $15,928 | 12/31/2023 | Marshall Wace LLP | 435,413 | $15,540 | 12/31/2023 | ATRC | 435,413 | $15,540 | 12/31/2023 | Soleus Capital Management L.P. | 392,195 | $13,997 | 12/31/2023 | ATRC | 392,195 | $13,997 | 12/31/2023 | Assenagon Asset Management S.A. | 444,801 | $13,531 | 03/31/2024 | ATRC | 444,801 | $13,531 | 03/31/2024 | Price T Rowe Associates Inc. MD | 373,761 | $13,340 | 12/31/2023 | ATRC | 373,761 | $13,340 | 12/31/2023 | Charles Schwab Investment Management Inc. | 367,151 | $13,104 | 12/31/2023 | ATRC | 367,151 | $13,104 | 12/31/2023 | Emerald Mutual Fund Advisers Trust | 362,359 | $12,933 | 12/31/2023 | ATRC | 362,359 | $12,933 | 12/31/2023 | Bank of America Corp DE | 361,792 | $12,912 | 12/31/2023 | ATRC | 361,792 | $12,912 | 12/31/2023 | JPMorgan Chase & Co. | 356,233 | $12,714 | 12/31/2023 | ATRC | 356,233 | $12,714 | 12/31/2023 | Goldman Sachs Group Inc. | 355,601 | $12,691 | 12/31/2023 | ATRC | 355,601 | $12,691 | 12/31/2023 | Citadel Advisors LLC | | $11,258 | 12/31/2023 | ATRC | 305,849 | $10,916 | 12/31/2023 | Call | 11,300 | $403 | 12/31/2023 | Put | 1,700 | $61 | 12/31/2023 | Amundi | 298,887 | $10,204 | 12/31/2023 | ATRC | 298,887 | $10,204 | 12/31/2023 | UBS Asset Management Americas Inc. | 263,015 | $9,387 | 12/31/2023 | ATRC | 263,015 | $9,387 | 12/31/2023 | Bank of New York Mellon Corp | 305,984 | $9,308 | 03/31/2024 | ATRC | 305,984 | $9,308 | 03/31/2024 | Norges Bank | 259,281 | $9,254 | 12/31/2023 | ATRC | 259,281 | $9,254 | 12/31/2023 | New York State Common Retirement Fund | 257,901 | $9,204 | 12/31/2023 | ATRC | 257,901 | $9,204 | 12/31/2023 | Silvercrest Asset Management Group LLC | 257,865 | $9,203 | 12/31/2023 | ATRC | 257,865 | $9,203 | 12/31/2023 | State of Wisconsin Investment Board | 231,840 | $8,274 | 12/31/2023 | ATRC | 231,840 | $8,274 | 12/31/2023 | Grandeur Peak Global Advisors LLC | 231,550 | $8,264 | 12/31/2023 | ATRC | 231,550 | $8,264 | 12/31/2023 | Panagora Asset Management Inc. | 229,197 | $8,180 | 12/31/2023 | ATRC | 229,197 | $8,180 | 12/31/2023 | Qube Research & Technologies Ltd | 225,420 | $8,045 | 12/31/2023 | ATRC | 225,420 | $8,045 | 12/31/2023 | Cubist Systematic Strategies LLC | 213,401 | $7,616 | 12/31/2023 | ATRC | 213,401 | $7,616 | 12/31/2023 | Two Sigma Investments LP | 192,737 | $6,879 | 12/31/2023 | ATRC | 192,737 | $6,879 | 12/31/2023 | WCM Investment Management LLC | 222,843 | $6,779 | 03/31/2024 | ATRC | 222,843 | $6,779 | 03/31/2024 | Two Sigma Advisers LP | 182,400 | $6,510 | 12/31/2023 | ATRC | 182,400 | $6,510 | 12/31/2023 | Nicholas Company Inc. | 170,820 | $6,097 | 12/31/2023 | ATRC | 170,820 | $6,097 | 12/31/2023 | Squarepoint Ops LLC | 160,154 | $5,716 | 12/31/2023 | ATRC | 160,154 | $5,716 | 12/31/2023 | Voloridge Investment Management LLC | 160,099 | $5,714 | 12/31/2023 | ATRC | 160,099 | $5,714 | 12/31/2023 | Wells Fargo & Company MN | 152,971 | $5,460 | 12/31/2023 | ATRC | 152,971 | $5,460 | 12/31/2023 | Deutsche Bank AG | 145,678 | $5,199 | 12/31/2023 | ATRC | 145,678 | $5,199 | 12/31/2023 | Eagle Asset Management Inc. | 130,828 | $4,669 | 12/31/2023 | ATRC | 130,828 | $4,669 | 12/31/2023 | DAFNA Capital Management LLC | 125,529 | $4,480 | 12/31/2023 | ATRC | 125,529 | $4,480 | 12/31/2023 | Knights of Columbus Asset Advisors LLC | 123,540 | $4,409 | 12/31/2023 | ATRC | 123,540 | $4,409 | 12/31/2023 | Envestnet Asset Management Inc. | 116,314 | $4,151 | 12/31/2023 | ATRC | 116,314 | $4,151 | 12/31/2023 | Walleye Capital LLC | 113,081 | $4,036 | 12/31/2023 | ATRC | 113,081 | $4,036 | 12/31/2023 | D. E. Shaw & Co. Inc. | 109,016 | $3,891 | 12/31/2023 | ATRC | 109,016 | $3,891 | 12/31/2023 | Kennedy Capital Management Inc. | 105,441 | $3,763 | 12/31/2023 | ATRC | 105,441 | $3,763 | 12/31/2023 | Thornburg Investment Management Inc. | 103,215 | $3,684 | 12/31/2023 | ATRC | 103,215 | $3,684 | 12/31/2023 | BNP Paribas Arbitrage SA | 100,842 | $3,599 | 12/31/2023 | ATRC | 100,842 | $3,599 | 12/31/2023 | Trexquant Investment LP | 97,193 | $3,469 | 12/31/2023 | ATRC | 97,193 | $3,469 | 12/31/2023 | Royce & Associates LP | 97,182 | $3,468 | 12/31/2023 | ATRC | 97,182 | $3,468 | 12/31/2023 | Royal Bank of Canada | 96,945 | $3,460 | 12/31/2023 | ATRC | 96,945 | $3,460 | 12/31/2023 | Paradigm Capital Management Inc. NY | 94,850 | $3,385 | 12/31/2023 | ATRC | 94,850 | $3,385 | 12/31/2023 | Renaissance Technologies LLC | 94,300 | $3,366 | 12/31/2023 | ATRC | 94,300 | $3,366 | 12/31/2023 | Swiss National Bank | 93,300 | $3,330 | 12/31/2023 | ATRC | 93,300 | $3,330 | 12/31/2023 | Bridger Management LLC | 87,100 | $3,109 | 12/31/2023 | ATRC | 87,100 | $3,109 | 12/31/2023 | Barclays PLC | 81,295 | $2,901 | 12/31/2023 | ATRC | 81,295 | $2,901 | 12/31/2023 | FMR LLC | 75,886 | $2,708 | 12/31/2023 | ATRC | 75,886 | $2,708 | 12/31/2023 | ExodusPoint Capital Management LP | 75,855 | $2,707 | 12/31/2023 | ATRC | 75,855 | $2,707 | 12/31/2023 | Jane Street Group LLC | 72,024 | $2,571 | 12/31/2023 | ATRC | 72,024 | $2,571 | 12/31/2023 | Oberweis Asset Management Inc. | 69,100 | $2,466 | 12/31/2023 | ATRC | 69,100 | $2,466 | 12/31/2023 | Rhumbline Advisers | 68,763 | $2,454 | 12/31/2023 | ATRC | 68,763 | $2,454 | 12/31/2023 | State of New Jersey Common Pension Fund D | 68,188 | $2,434 | 12/31/2023 | ATRC | 68,188 | $2,434 | 12/31/2023 | UBS Group AG | 66,561 | $2,376 | 12/31/2023 | ATRC | 66,561 | $2,376 | 12/31/2023 | Advisors Capital Management LLC | 64,153 | $2,290 | 12/31/2023 | ATRC | 64,153 | $2,290 | 12/31/2023 | Engineers Gate Manager LP | 63,533 | $2,267 | 12/31/2023 | ATRC | 63,533 | $2,267 | 12/31/2023 | Ameriprise Financial Inc. | 58,208 | $2,078 | 12/31/2023 | ATRC | 58,208 | $2,078 | 12/31/2023 | Healthcare of Ontario Pension Plan Trust Fund | 56,849 | $2,029 | 12/31/2023 | ATRC | 56,849 | $2,029 | 12/31/2023 | Orion Portfolio Solutions LLC | 53,761 | $1,883 | 12/31/2023 | ATRC | 53,761 | $1,883 | 12/31/2023 | Susquehanna International Group LLP | | $1,821 | 12/31/2023 | ATRC | 45,114 | $1,610 | 12/31/2023 | Call | 5,900 | $211 | 12/31/2023 | Jump Financial LLC | 50,504 | $1,802 | 12/31/2023 | ATRC | 50,504 | $1,802 | 12/31/2023 | California State Teachers Retirement System | 49,832 | $1,779 | 12/31/2023 | ATRC | 49,832 | $1,779 | 12/31/2023 | Canada Pension Plan Investment Board | 47,900 | $1,710 | 12/31/2023 | ATRC | 47,900 | $1,710 | 12/31/2023 | Sit Investment Associates Inc. | 46,725 | $1,668 | 12/31/2023 | ATRC | 46,725 | $1,668 | 12/31/2023 | Decheng Capital LLC | 46,259 | $1,651 | 12/31/2023 | ATRC | 46,259 | $1,651 | 12/31/2023 | Legal & General Group Plc | 44,775 | $1,598 | 12/31/2023 | ATRC | 44,775 | $1,598 | 12/31/2023 | Algert Global LLC | 44,740 | $1,597 | 12/31/2023 | ATRC | 44,740 | $1,597 | 12/31/2023 | Sei Investments Co. | 42,705 | $1,524 | 12/31/2023 | ATRC | 42,705 | $1,524 | 12/31/2023 | Connor Clark & Lunn Investment Management Ltd. | 36,347 | $1,297 | 12/31/2023 | ATRC | 36,347 | $1,297 | 12/31/2023 | Allianz Asset Management GmbH | 34,081 | $1,216 | 12/31/2023 | ATRC | 34,081 | $1,216 | 12/31/2023 | Putnam Investments LLC | 33,708 | $1,203 | 12/31/2023 | ATRC | 33,708 | $1,203 | 12/31/2023 | Alberta Investment Management Corp | 33,171 | $1,184 | 12/31/2023 | ATRC | 33,171 | $1,184 | 12/31/2023 | Prelude Capital Management LLC | 32,464 | $1,159 | 12/31/2023 | ATRC | 32,464 | $1,159 | 12/31/2023 | Great Lakes Advisors LLC | 32,329 | $1,154 | 12/31/2023 | ATRC | 32,329 | $1,154 | 12/31/2023 | Semanteon Capital Management LP | 32,305 | $1,153 | 12/31/2023 | ATRC | 32,305 | $1,153 | 12/31/2023 | B. Metzler seel. Sohn & Co. AG | 31,366 | $1,119 | 12/31/2023 | ATRC | 31,366 | $1,119 | 12/31/2023 | Quantbot Technologies LP | 28,971 | $1,034 | 12/31/2023 | ATRC | 28,971 | $1,034 | 12/31/2023 | Diversified Trust Co | 33,422 | $1,017 | 03/31/2024 | ATRC | 33,422 | $1,017 | 03/31/2024 | Perkins Capital Management Inc. | 27,850 | $994 | 12/31/2023 | ATRC | 27,850 | $994 | 12/31/2023 | Bessemer Group Inc. | 27,380 | $977 | 12/31/2023 | ATRC | 27,380 | $977 | 12/31/2023 | Tudor Investment Corp Et Al | 27,247 | $972 | 12/31/2023 | ATRC | 27,247 | $972 | 12/31/2023 | Great West Life Assurance Co. Can | 27,203 | $963 | 12/31/2023 | ATRC | 27,203 | $963 | 12/31/2023 | Graham Capital Management L.P. | 26,769 | $955 | 12/31/2023 | ATRC | 26,769 | $955 | 12/31/2023 | Point72 Middle East FZE | 26,086 | $931 | 12/31/2023 | ATRC | 26,086 | $931 | 12/31/2023 | First Trust Advisors LP | 25,981 | $927 | 12/31/2023 | ATRC | 25,981 | $927 | 12/31/2023 | HRT Financial LP | 25,857 | $922 | 12/31/2023 | ATRC | 25,857 | $922 | 12/31/2023 | MetLife Investment Management LLC | 24,531 | $876 | 12/31/2023 | ATRC | 24,531 | $876 | 12/31/2023 | Edgestream Partners L.P. | 24,178 | $863 | 12/31/2023 | ATRC | 24,178 | $863 | 12/31/2023 | Hsbc Holdings PLC | 23,918 | $857 | 12/31/2023 | ATRC | 23,918 | $857 | 12/31/2023 | The Manufacturers Life Insurance Company | 23,677 | $845 | 12/31/2023 | ATRC | 23,677 | $845 | 12/31/2023 | Los Angeles Capital Management & Equity Research Inc. | 27,693 | $842 | 03/31/2024 | ATRC | 27,693 | $842 | 03/31/2024 | American International Group Inc. | 23,157 | $826 | 12/31/2023 | ATRC | 23,157 | $826 | 12/31/2023 | Janus Henderson Group PLC | 23,121 | $825 | 12/31/2023 | ATRC | 23,121 | $825 | 12/31/2023 | Campbell & CO Investment Adviser LLC | 22,724 | $811 | 12/31/2023 | ATRC | 22,724 | $811 | 12/31/2023 | Harbor Capital Advisors Inc. | 22,290 | $796 | 12/31/2023 | ATRC | 22,290 | $796 | 12/31/2023 | GSA Capital Partners LLP | 21,619 | $772 | 12/31/2023 | ATRC | 21,619 | $772 | 12/31/2023 | Bank of Montreal Can | 20,610 | $771 | 12/31/2023 | ATRC | 20,610 | $771 | 12/31/2023 | Ensign Peak Advisors Inc | 21,550 | $769 | 12/31/2023 | ATRC | 21,550 | $769 | 12/31/2023 | Mirae Asset Global Investments Co. Ltd. | 21,237 | $758 | 12/31/2023 | ATRC | 21,237 | $758 | 12/31/2023 | Strs Ohio | 21,200 | $756 | 12/31/2023 | ATRC | 21,200 | $756 | 12/31/2023 | Bridgewater Associates LP | 20,430 | $729 | 12/31/2023 | ATRC | 20,430 | $729 | 12/31/2023 | Franklin Resources Inc. | 20,262 | $723 | 12/31/2023 | ATRC | 20,262 | $723 | 12/31/2023 | Stifel Financial Corp | 20,207 | $721 | 12/31/2023 | ATRC | 20,207 | $721 | 12/31/2023 | Teacher Retirement System of Texas | 20,051 | $716 | 12/31/2023 | ATRC | 20,051 | $716 | 12/31/2023 | LPL Financial LLC | 19,800 | $707 | 12/31/2023 | ATRC | 19,800 | $707 | 12/31/2023 | Townsquare Capital LLC | 19,327 | $690 | 12/31/2023 | ATRC | 19,327 | $690 | 12/31/2023 | Susquehanna Portfolio Strategies LLC | 19,050 | $680 | 12/31/2023 | ATRC | 19,050 | $680 | 12/31/2023 | Voya Investment Management LLC | 18,682 | $667 | 12/31/2023 | ATRC | 18,682 | $667 | 12/31/2023 | Larson Financial Group LLC | 18,633 | $665 | 12/31/2023 | ATRC | 18,633 | $665 | 12/31/2023 | Marks Group Wealth Management Inc | 17,999 | $642 | 12/31/2023 | ATRC | 17,999 | $642 | 12/31/2023 | Skandinaviska Enskilda Banken AB publ | 17,500 | $625 | 12/31/2023 | ATRC | 17,500 | $625 | 12/31/2023 | Assetmark Inc. | 17,497 | $624 | 12/31/2023 | ATRC | 17,497 | $624 | 12/31/2023 | Prudential Financial Inc. | 16,930 | $604 | 12/31/2023 | ATRC | 16,930 | $604 | 12/31/2023 | Captrust Financial Advisors | 16,287 | $581 | 12/31/2023 | ATRC | 16,287 | $581 | 12/31/2023 | Acadian Asset Management LLC | 15,235 | $542 | 12/31/2023 | ATRC | 15,235 | $542 | 12/31/2023 | Advisor Group Holdings Inc. | 15,160 | $541 | 12/31/2023 | ATRC | 15,160 | $541 | 12/31/2023 | Ronald Blue Trust Inc. | 14,445 | $516 | 12/31/2023 | ATRC | 14,445 | $516 | 12/31/2023 | Handelsbanken Fonder AB | 13,400 | $478 | 12/31/2023 | ATRC | 13,400 | $478 | 12/31/2023 | State Board of Administration of Florida Retirement System | 13,299 | $475 | 12/31/2023 | ATRC | 13,299 | $475 | 12/31/2023 | AQR Capital Management LLC | 13,270 | $474 | 12/31/2023 | ATRC | 13,270 | $474 | 12/31/2023 | Wesbanco Bank Inc. | 15,525 | $472 | 03/31/2024 | ATRC | 15,525 | $472 | 03/31/2024 | Arizona State Retirement System | 13,237 | $472 | 12/31/2023 | ATRC | 13,237 | $472 | 12/31/2023 | Petrus Trust Company LTA | 13,082 | $467 | 12/31/2023 | ATRC | 13,082 | $467 | 12/31/2023 | Truist Financial Corp | 12,920 | $461 | 12/31/2023 | ATRC | 12,920 | $461 | 12/31/2023 | Seven Eight Capital LP | 12,762 | $455 | 12/31/2023 | ATRC | 12,762 | $455 | 12/31/2023 | Norden Group LLC | 14,456 | $440 | 03/31/2024 | ATRC | 14,456 | $440 | 03/31/2024 | Mackenzie Financial Corp | 12,295 | $439 | 12/31/2023 | ATRC | 12,295 | $439 | 12/31/2023 | UBS Oconnor LLC | 12,199 | $435 | 12/31/2023 | ATRC | 12,199 | $435 | 12/31/2023 | MAI Capital Management | 11,658 | $416 | 12/31/2023 | ATRC | 11,658 | $416 | 12/31/2023 | Principal Financial Group Inc. | 11,541 | $412 | 12/31/2023 | ATRC | 11,541 | $412 | 12/31/2023 | Aquatic Capital Management LLC | 11,500 | $410 | 12/31/2023 | ATRC | 11,500 | $410 | 12/31/2023 | Y Intercept Hong Kong Ltd | 11,078 | $395 | 12/31/2023 | ATRC | 11,078 | $395 | 12/31/2023 | Tower Research Capital LLC TRC | 10,561 | $377 | 12/31/2023 | ATRC | 10,561 | $377 | 12/31/2023 | Occudo Quantitative Strategies LP | 10,476 | $374 | 12/31/2023 | ATRC | 10,476 | $374 | 12/31/2023 | Commerce Bank | 10,066 | $359 | 12/31/2023 | ATRC | 10,066 | $359 | 12/31/2023 | Arrowstreet Capital Limited Partnership | 9,996 | $357 | 12/31/2023 | ATRC | 9,996 | $357 | 12/31/2023 | Entropy Technologies LP | 9,933 | $355 | 12/31/2023 | ATRC | 9,933 | $355 | 12/31/2023 | HighMark Wealth Management LLC | 9,125 | $326 | 12/31/2023 | ATRC | 9,125 | $326 | 12/31/2023 | Citigroup Inc. | 9,034 | $322 | 12/31/2023 | ATRC | 9,034 | $322 | 12/31/2023 | Delap Wealth Advisory LLC | 9,000 | $321 | 12/31/2023 | ATRC | 9,000 | $321 | 12/31/2023 | Oppenheimer Asset Management Inc. | 8,900 | $318 | 12/31/2023 | ATRC | 8,900 | $318 | 12/31/2023 | Dfpg Investments LLC | 9,408 | $317 | 12/31/2023 | ATRC | 9,408 | $317 | 12/31/2023 | Snowden Capital Advisors LLC | 8,689 | $310 | 12/31/2023 | ATRC | 8,689 | $310 | 12/31/2023 | Zurcher Kantonalbank Zurich Cantonalbank | 10,173 | $309 | 03/31/2024 | ATRC | 10,173 | $309 | 03/31/2024 | MML Investors Services LLC | 8,555 | $305 | 12/31/2023 | ATRC | 8,555 | $305 | 12/31/2023 | Group One Trading L.P. | | $286 | 12/31/2023 | Call | 8,000 | $286 | 12/31/2023 | XTX Topco Ltd | 7,796 | $278 | 12/31/2023 | ATRC | 7,796 | $278 | 12/31/2023 | ProShare Advisors LLC | 7,712 | $275 | 12/31/2023 | ATRC | 7,712 | $275 | 12/31/2023 | MQS Management LLC | 7,698 | $275 | 12/31/2023 | ATRC | 7,698 | $275 | 12/31/2023 | Schonfeld Strategic Advisors LLC | 7,548 | $269 | 12/31/2023 | ATRC | 7,548 | $269 | 12/31/2023 | AlTi Global Inc. | 7,263 | $259 | 12/31/2023 | ATRC | 7,263 | $259 | 12/31/2023 | Aigen Investment Management LP | 7,136 | $255 | 12/31/2023 | ATRC | 7,136 | $255 | 12/31/2023 | EntryPoint Capital LLC | 7,152 | $255 | 12/31/2023 | ATRC | 7,152 | $255 | 12/31/2023 | Public Employees Retirement Association of Colorado | 6,844 | $244 | 12/31/2023 | ATRC | 6,844 | $244 | 12/31/2023 | Landscape Capital Management L.L.C. | 6,770 | $242 | 12/31/2023 | ATRC | 6,770 | $242 | 12/31/2023 | Blair William & Co. IL | 6,246 | $223 | 12/31/2023 | ATRC | 6,246 | $223 | 12/31/2023 | Victory Capital Management Inc. | 6,202 | $221 | 12/31/2023 | ATRC | 6,202 | $221 | 12/31/2023 | The PNC Financial Services Group Inc. | 6,140 | $219 | 12/31/2023 | ATRC | 6,140 | $219 | 12/31/2023 | CenterBook Partners LP | 6,055 | $216 | 12/31/2023 | ATRC | 6,055 | $216 | 12/31/2023 | Virtu Financial LLC | 5,979 | $213 | 12/31/2023 | ATRC | 5,979 | $213 | 12/31/2023 | Cresset Asset Management LLC | 5,767 | $206 | 12/31/2023 | ATRC | 5,767 | $206 | 12/31/2023 | Parallel Advisors LLC | 5,672 | $202 | 12/31/2023 | ATRC | 5,672 | $202 | 12/31/2023 | Ameritas Investment Partners Inc. | 4,629 | $165 | 12/31/2023 | ATRC | 4,629 | $165 | 12/31/2023 | Virtus Investment Advisers Inc. | 4,205 | $150 | 12/31/2023 | ATRC | 4,205 | $150 | 12/31/2023 | Lazard Asset Management LLC | 3,660 | $130 | 12/31/2023 | ATRC | 3,660 | $130 | 12/31/2023 | IFP Advisors Inc | 3,110 | $111 | 12/31/2023 | ATRC | 3,110 | $111 | 12/31/2023 | Quest Partners LLC | 2,894 | $103 | 12/31/2023 | ATRC | 2,894 | $103 | 12/31/2023 | Metropolitan Life Insurance Co NY | 2,680 | $96 | 12/31/2023 | ATRC | 2,680 | $96 | 12/31/2023 | State of Wyoming | 1,749 | $62 | 12/31/2023 | ATRC | 1,749 | $62 | 12/31/2023 | First Horizon Advisors Inc. | 1,963 | $60 | 03/31/2024 | ATRC | 1,963 | $60 | 03/31/2024 | US Bancorp DE | 1,681 | $60 | 12/31/2023 | ATRC | 1,681 | $60 | 12/31/2023 | Comerica Bank | 1,479 | $53 | 12/31/2023 | ATRC | 1,479 | $53 | 12/31/2023 | Amalgamated Bank | 1,560 | $47 | 03/31/2024 | ATRC | 1,560 | $47 | 03/31/2024 | KBC Group NV | 1,158 | $41 | 12/31/2023 | ATRC | 1,158 | $41 | 12/31/2023 | Virtus Fund Advisers LLC | 752 | $27 | 12/31/2023 | ATRC | 752 | $27 | 12/31/2023 | Advisory Services Network LLC | 498 | $18 | 12/31/2023 | ATRC | 498 | $18 | 12/31/2023 | Huntington National Bank | 473 | $17 | 12/31/2023 | ATRC | 473 | $17 | 12/31/2023 | Nisa Investment Advisors LLC | 482 | $17 | 12/31/2023 | ATRC | 482 | $17 | 12/31/2023 | GWM Advisors LLC | 471 | $17 | 12/31/2023 | ATRC | 471 | $17 | 12/31/2023 | Quadrant Capital Group LLC | 489 | $17 | 12/31/2023 | ATRC | 489 | $17 | 12/31/2023 | Principal Securities Inc. | 386 | $14 | 12/31/2023 | ATRC | 386 | $14 | 12/31/2023 | Brown Brothers Harriman & Co. | 343 | $12 | 12/31/2023 | ATRC | 343 | $12 | 12/31/2023 | Johnson Financial Group Inc. | 317 | $11 | 12/31/2023 | ATRC | 317 | $11 | 12/31/2023 | Mitsubishi UFJ Kokusai Asset Management Co. Ltd. | 192 | $6 | 12/31/2023 | ATRC | 192 | $6 | 12/31/2023 | Private Trust Co. NA | 152 | $5 | 03/31/2024 | ATRC | 152 | $5 | 03/31/2024 | Mather Group LLC. | 165 | $5 | 03/31/2024 | ATRC | 165 | $5 | 03/31/2024 | Signaturefd LLC | 146 | $5 | 12/31/2023 | ATRC | 146 | $5 | 12/31/2023 | Park Place Capital Corp | 116 | $4 | 03/31/2024 | ATRC | 116 | $4 | 03/31/2024 | Hillsdale Investment Management Inc. | 120 | $4 | 12/31/2023 | ATRC | 120 | $4 | 12/31/2023 | Bell Investment Advisors Inc | 123 | $4 | 12/31/2023 | ATRC | 123 | $4 | 12/31/2023 | Farther Finance Advisors LLC | 104 | $4 | 12/31/2023 | ATRC | 104 | $4 | 12/31/2023 | CWM LLC | 92 | $3 | 03/31/2024 | ATRC | 92 | $3 | 03/31/2024 | Russell Investments Group Ltd. | 67 | $2 | 12/31/2023 | ATRC | 67 | $2 | 12/31/2023 | Truvestments Capital LLC | 54 | $2 | 12/31/2023 | ATRC | 54 | $2 | 12/31/2023 | CENTRAL TRUST Co | 35 | $1 | 03/31/2024 | ATRC | 35 | $1 | 03/31/2024 | Allworth Financial LP | 22 | $1 | 03/31/2024 | ATRC | 22 | $1 | 03/31/2024 | West Paces Advisors Inc. | 25 | $1 | 03/31/2024 | ATRC | 25 | $1 | 03/31/2024 | FinTrust Capital Advisors LLC | 24 | $1 | 12/31/2023 | ATRC | 24 | $1 | 12/31/2023 | GPS Wealth Strategies Group LLC | 31 | $1 | 12/31/2023 | ATRC | 31 | $1 | 12/31/2023 | Private Wealth Management Group LLC | 33 | $1 | 12/31/2023 | ATRC | 33 | $1 | 12/31/2023 | Versant Capital Management Inc | 7 | $0 | 03/31/2024 | ATRC | 7 | $0 | 03/31/2024 | BOKF NA | 5 | $0 | 12/31/2023 | ATRC | 5 | $0 | 12/31/2023 | Proequities Inc. | | $0 | 12/31/2023 | Put | 0 | $0 | 12/31/2023 | ATRC | 0 | $0 | 12/31/2023 | Call | 0 | $0 | 12/31/2023 | SRS Capital Advisors Inc. | 4 | $0 | 12/31/2023 | ATRC | 4 | $0 | 12/31/2023 | Covestor Ltd | 3 | $0 | 12/31/2023 | ATRC | 3 | $0 | 12/31/2023 | Simplex Trading LLC | 500 | $-107 | 03/31/2024 | Put | 8,000 | $243 | 03/31/2024 | ATRC | 3,991 | $121 | 03/31/2024 | Call | 500 | $15 | 03/31/2024 |
See Summary: Institutional Holders of ATRC
See Details: Top 10 Hedge Funds Holding ATRC
Also See: ATRC Insider Buying
Also See: ATRC Holdings Changes
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