 |
|
|
On this page, we present all of the funds holding BLFS from our database of 13F filers, detailed in the table below.
The first column indicates the name of each of the funds holding BLFS, with a link to that fund's top holdings. The next columns
indicate the amount of BLFS stock held by each of the funds holding BLFS, followed by the BLFS position size held by the fund, and lastly the
date of the quarterly filing period the data represents. In total, we count 141 funds holding BLFS within the last two filing periods in our coverage universe of 13F filers,
with the largest position size having been reported by Casdin Capital LLC. For more details on the positions held by Casdin Capital LLC
(or by any of the other funds holding BLFS), click the fund name in the "Holder" column of the funds-holding-BLFS table below.
| Holder | Amount | Position Size
($ in 1000's) | As of |
|---|
 Casdin Capital LLC | 8,707,165 | $141,491 | 12/31/2023 | | BLFS | 8,707,165 | $141,491 | 12/31/2023 | | BlackRock Inc. | 5,424,116 | $88,142 | 12/31/2023 | | BLFS | 5,424,116 | $88,142 | 12/31/2023 | | Vanguard Group Inc. | 2,571,608 | $41,789 | 12/31/2023 | | BLFS | 2,571,608 | $41,789 | 12/31/2023 | | Goldman Sachs Group Inc. | 2,401,899 | $39,031 | 12/31/2023 | | BLFS | 2,401,899 | $39,031 | 12/31/2023 |  Millennium Management LLC | | $38,718 | 12/31/2023 | | BLFS | 2,312,650 | $37,581 | 12/31/2023 | | Call | 100,000 | $1,625 | 12/31/2023 | | Put | 30,000 | $488 | 12/31/2023 | | William Blair Investment Management LLC | 1,712,927 | $27,835 | 12/31/2023 | | BLFS | 1,712,927 | $27,835 | 12/31/2023 | | Fred Alger Management LLC | 1,625,036 | $26,407 | 12/31/2023 | | BLFS | 1,625,036 | $26,407 | 12/31/2023 | | Ameriprise Financial Inc. | 1,399,272 | $22,738 | 12/31/2023 | | BLFS | 1,399,272 | $22,738 | 12/31/2023 | | Granahan Investment Management Inc. MA | 1,292,675 | $21,006 | 12/31/2023 | | BLFS | 1,292,675 | $21,006 | 12/31/2023 | | State Street Corp | 1,249,671 | $20,307 | 12/31/2023 | | BLFS | 1,249,671 | $20,307 | 12/31/2023 | | Palisade Capital Management LLC NJ | 1,213,334 | $19,717 | 12/31/2023 | | BLFS | 1,213,334 | $19,717 | 12/31/2023 | | Invesco Ltd. | 1,183,559 | $19,233 | 12/31/2023 | | BLFS | 1,183,559 | $19,233 | 12/31/2023 | | Geneva Capital Management LLC | 874,485 | $14,210 | 12/31/2023 | | BLFS | 874,485 | $14,210 | 12/31/2023 | | Royce & Associates LP | 871,603 | $14,164 | 12/31/2023 | | BLFS | 871,603 | $14,164 | 12/31/2023 | | Geode Capital Management LLC | 757,168 | $12,305 | 12/31/2023 | | BLFS | 757,168 | $12,305 | 12/31/2023 | | Gagnon Securities LLC | 627,479 | $10,197 | 12/31/2023 | | BLFS | 627,479 | $10,197 | 12/31/2023 | | Dimensional Fund Advisors LP | 618,128 | $10,046 | 12/31/2023 | | BLFS | 618,128 | $10,046 | 12/31/2023 | | Citadel Advisors LLC | | $9,234 | 12/31/2023 | | BLFS | 555,961 | $9,034 | 12/31/2023 | | Call | 14,200 | $231 | 12/31/2023 | | Put | 1,900 | $31 | 12/31/2023 | | Portolan Capital Management LLC | 521,906 | $8,481 | 12/31/2023 | | BLFS | 521,906 | $8,481 | 12/31/2023 | | New York State Common Retirement Fund | 420,436 | $6,832 | 12/31/2023 | | BLFS | 420,436 | $6,832 | 12/31/2023 | | RMB Capital Management LLC | 398,771 | $6,480 | 12/31/2023 | | BLFS | 398,771 | $6,480 | 12/31/2023 | | Northern Trust Corp | 397,197 | $6,454 | 12/31/2023 | | BLFS | 397,197 | $6,454 | 12/31/2023 | | Meros Investment Management LP | 392,218 | $6,374 | 12/31/2023 | | BLFS | 392,218 | $6,374 | 12/31/2023 | | Stephens Investment Management Group LLC | 370,229 | $6,016 | 12/31/2023 | | BLFS | 370,229 | $6,016 | 12/31/2023 | | Ranger Investment Management L.P. | 363,574 | $5,908 | 12/31/2023 | | BLFS | 363,574 | $5,908 | 12/31/2023 | | JPMorgan Chase & Co. | 354,800 | $5,766 | 12/31/2023 | | BLFS | 354,800 | $5,766 | 12/31/2023 | | Morgan Stanley | 350,527 | $5,696 | 12/31/2023 | | BLFS | 350,527 | $5,696 | 12/31/2023 | | Bank of America Corp DE | 310,654 | $5,048 | 12/31/2023 | | BLFS | 310,654 | $5,048 | 12/31/2023 | | Bank of New York Mellon Corp | 267,354 | $4,959 | 03/31/2024 | | BLFS | 267,354 | $4,959 | 03/31/2024 | | Peregrine Capital Management LLC | 293,487 | $4,769 | 12/31/2023 | | BLFS | 293,487 | $4,769 | 12/31/2023 | | FMR LLC | 289,762 | $4,709 | 12/31/2023 | | BLFS | 289,762 | $4,709 | 12/31/2023 | | Charles Schwab Investment Management Inc. | 285,124 | $4,633 | 12/31/2023 | | BLFS | 285,124 | $4,633 | 12/31/2023 | | Roubaix Capital LLC | 280,337 | $4,555 | 12/31/2023 | | BLFS | 280,337 | $4,555 | 12/31/2023 | | Gagnon Advisors LLC | 274,217 | $4,456 | 12/31/2023 | | BLFS | 274,217 | $4,456 | 12/31/2023 | | Uniplan Investment Counsel Inc. | 247,367 | $4,135 | 12/31/2023 | | BLFS | 247,367 | $4,135 | 12/31/2023 | | Principal Financial Group Inc. | 187,306 | $3,044 | 12/31/2023 | | BLFS | 187,306 | $3,044 | 12/31/2023 | | Russell Investments Group Ltd. | 183,050 | $2,975 | 12/31/2023 | | BLFS | 183,050 | $2,975 | 12/31/2023 | | Zweig DiMenna Associates LLC | 164,550 | $2,674 | 12/31/2023 | | BLFS | 164,550 | $2,674 | 12/31/2023 | | Allspring Global Investments Holdings LLC | 131,203 | $2,434 | 03/31/2024 | | BLFS | 131,203 | $2,434 | 03/31/2024 | | Bard Financial Services Inc. | 133,635 | $2,172 | 12/31/2023 | | BLFS | 133,635 | $2,172 | 12/31/2023 | | Caption Management LLC | | $2,153 | 12/31/2023 | | Call | 100,000 | $1,625 | 12/31/2023 | | BLFS | 32,500 | $528 | 12/31/2023 | | Huntington National Bank | 122,882 | $1,997 | 12/31/2023 | | BLFS | 122,882 | $1,997 | 12/31/2023 | | Tudor Investment Corp Et Al | 111,486 | $1,812 | 12/31/2023 | | BLFS | 111,486 | $1,812 | 12/31/2023 | | Millrace Asset Group Inc. | 105,643 | $1,717 | 12/31/2023 | | BLFS | 105,643 | $1,717 | 12/31/2023 | | Legal & General Group Plc | 102,097 | $1,659 | 12/31/2023 | | BLFS | 102,097 | $1,659 | 12/31/2023 | | Macquarie Group Ltd. | 96,233 | $1,564 | 12/31/2023 | | BLFS | 96,233 | $1,564 | 12/31/2023 | | Victory Capital Management Inc. | 95,863 | $1,558 | 12/31/2023 | | BLFS | 95,863 | $1,558 | 12/31/2023 | | Barclays PLC | 95,088 | $1,545 | 12/31/2023 | | BLFS | 95,088 | $1,545 | 12/31/2023 | | Barings LLC | 91,316 | $1,484 | 12/31/2023 | | BLFS | 91,316 | $1,484 | 12/31/2023 | | Rathbone Brothers plc | 88,086 | $1,431 | 12/31/2023 | | BLFS | 88,086 | $1,431 | 12/31/2023 | | Stephens Inc. AR | 83,928 | $1,364 | 12/31/2023 | | BLFS | 83,928 | $1,364 | 12/31/2023 | | Rhumbline Advisers | 82,574 | $1,342 | 12/31/2023 | | BLFS | 82,574 | $1,342 | 12/31/2023 | | Nuveen Asset Management LLC | 80,160 | $1,303 | 12/31/2023 | | BLFS | 80,160 | $1,303 | 12/31/2023 | | Isthmus Partners LLC | 77,082 | $1,253 | 12/31/2023 | | BLFS | 77,082 | $1,253 | 12/31/2023 | | New York State Teachers Retirement System | 66,576 | $1,235 | 03/31/2024 | | BLFS | 66,576 | $1,235 | 03/31/2024 | | Public Sector Pension Investment Board | 72,085 | $1,171 | 12/31/2023 | | BLFS | 72,085 | $1,171 | 12/31/2023 | | Kornitzer Capital Management Inc. KS | 71,800 | $1,167 | 12/31/2023 | | BLFS | 71,800 | $1,167 | 12/31/2023 | | Swiss National Bank | 68,600 | $1,115 | 12/31/2023 | | BLFS | 68,600 | $1,115 | 12/31/2023 | | Royal Bank of Canada | 65,611 | $1,067 | 12/31/2023 | | BLFS | 65,611 | $1,067 | 12/31/2023 | | Conestoga Capital Advisors LLC | 64,847 | $1,054 | 12/31/2023 | | BLFS | 64,847 | $1,054 | 12/31/2023 | | CIBC Private Wealth Group LLC | 60,818 | $988 | 12/31/2023 | | BLFS | 60,818 | $988 | 12/31/2023 | | Sei Investments Co. | 59,352 | $965 | 12/31/2023 | | BLFS | 59,352 | $965 | 12/31/2023 | | Squarepoint Ops LLC | 52,980 | $861 | 12/31/2023 | | BLFS | 52,980 | $861 | 12/31/2023 | | Peoples Bank OH | 48,775 | $793 | 12/31/2023 | | BLFS | 48,775 | $793 | 12/31/2023 | | Penbrook Management LLC | 40,250 | $747 | 03/31/2024 | | BLFS | 40,250 | $747 | 03/31/2024 | | State of Wisconsin Investment Board | 44,199 | $718 | 12/31/2023 | | BLFS | 44,199 | $718 | 12/31/2023 | | UBS Asset Management Americas Inc. | 42,920 | $697 | 12/31/2023 | | BLFS | 42,920 | $697 | 12/31/2023 | | Prudential Financial Inc. | 40,487 | $658 | 12/31/2023 | | BLFS | 40,487 | $658 | 12/31/2023 | | Jennison Associates LLC | 39,978 | $650 | 12/31/2023 | | BLFS | 39,978 | $650 | 12/31/2023 | | California State Teachers Retirement System | 36,701 | $596 | 12/31/2023 | | BLFS | 36,701 | $596 | 12/31/2023 | | Credit Suisse AG | 35,950 | $584 | 12/31/2023 | | BLFS | 35,950 | $584 | 12/31/2023 | | Alliancebernstein L.P. | 34,237 | $556 | 12/31/2023 | | BLFS | 34,237 | $556 | 12/31/2023 | | Thrivent Financial for Lutherans | 30,996 | $504 | 12/31/2023 | | BLFS | 30,996 | $504 | 12/31/2023 | | Perkins Capital Management Inc. | 31,000 | $504 | 12/31/2023 | | BLFS | 31,000 | $504 | 12/31/2023 | | American Financial Group Inc. | 30,918 | $502 | 12/31/2023 | | BLFS | 30,918 | $502 | 12/31/2023 | | Texas Permanent School Fund | 29,761 | $484 | 12/31/2023 | | BLFS | 29,761 | $484 | 12/31/2023 | | Great West Life Assurance Co. Can | 29,694 | $482 | 12/31/2023 | | BLFS | 29,694 | $482 | 12/31/2023 | | UBS Group AG | 29,020 | $472 | 12/31/2023 | | BLFS | 29,020 | $472 | 12/31/2023 | | Franklin Resources Inc. | 27,711 | $450 | 12/31/2023 | | BLFS | 27,711 | $450 | 12/31/2023 | | Spears Abacus Advisors LLC | 27,352 | $444 | 12/31/2023 | | BLFS | 27,352 | $444 | 12/31/2023 | | Envestnet Asset Management Inc. | 27,058 | $440 | 12/31/2023 | | BLFS | 27,058 | $440 | 12/31/2023 | | Cerity Partners LLC | 26,941 | $438 | 12/31/2023 | | BLFS | 26,941 | $438 | 12/31/2023 | | State of Alaska Department of Revenue | 21,679 | $402 | 03/31/2024 | | BLFS | 21,679 | $402 | 03/31/2024 | | Susquehanna International Group LLP | | $399 | 12/31/2023 | | Call | 12,500 | $203 | 12/31/2023 | | BLFS | 12,044 | $196 | 12/31/2023 | | Mesirow Financial Investment Management Inc. | 20,563 | $381 | 03/31/2024 | | BLFS | 20,563 | $381 | 03/31/2024 | | Pathstone Holdings LLC | 21,352 | $347 | 12/31/2023 | | BLFS | 21,352 | $347 | 12/31/2023 | | Citigroup Inc. | 20,540 | $334 | 12/31/2023 | | BLFS | 20,540 | $334 | 12/31/2023 | | Deutsche Bank AG | 20,422 | $332 | 12/31/2023 | | BLFS | 20,422 | $332 | 12/31/2023 | | Louisiana State Employees Retirement System | 17,600 | $326 | 03/31/2024 | | BLFS | 17,600 | $326 | 03/31/2024 | | Janus Henderson Group PLC | 19,934 | $324 | 12/31/2023 | | BLFS | 19,934 | $324 | 12/31/2023 | | LPL Financial LLC | 19,567 | $318 | 12/31/2023 | | BLFS | 19,567 | $318 | 12/31/2023 | | American International Group Inc. | 18,931 | $308 | 12/31/2023 | | BLFS | 18,931 | $308 | 12/31/2023 | | MetLife Investment Management LLC | 18,693 | $304 | 12/31/2023 | | BLFS | 18,693 | $304 | 12/31/2023 | | Landscape Capital Management L.L.C. | 18,629 | $303 | 12/31/2023 | | BLFS | 18,629 | $303 | 12/31/2023 | | Yousif Capital Management LLC | 17,413 | $283 | 12/31/2023 | | BLFS | 17,413 | $283 | 12/31/2023 | | Comerica Bank | 17,156 | $279 | 12/31/2023 | | BLFS | 17,156 | $279 | 12/31/2023 | | NorthCrest Asset Manangement LLC | 14,700 | $273 | 03/31/2024 | | BLFS | 14,700 | $273 | 03/31/2024 | | Everence Capital Management Inc. | 15,770 | $256 | 12/31/2023 | | BLFS | 15,770 | $256 | 12/31/2023 | | Mirae Asset Global Investments Co. Ltd. | 15,622 | $254 | 12/31/2023 | | BLFS | 15,622 | $254 | 12/31/2023 | | BNP Paribas Arbitrage SA | 15,314 | $249 | 12/31/2023 | | BLFS | 15,314 | $249 | 12/31/2023 | | Campbell & CO Investment Adviser LLC | 14,680 | $239 | 12/31/2023 | | BLFS | 14,680 | $239 | 12/31/2023 | | Tower Research Capital LLC TRC | 14,654 | $238 | 12/31/2023 | | BLFS | 14,654 | $238 | 12/31/2023 | | Maryland State Retirement & Pension System | 12,655 | $235 | 03/31/2024 | | BLFS | 12,655 | $235 | 03/31/2024 | | Voya Investment Management LLC | 13,944 | $227 | 12/31/2023 | | BLFS | 13,944 | $227 | 12/31/2023 | | Price T Rowe Associates Inc. MD | 13,755 | $224 | 12/31/2023 | | BLFS | 13,755 | $224 | 12/31/2023 | | The Manufacturers Life Insurance Company | 13,578 | $221 | 12/31/2023 | | BLFS | 13,578 | $221 | 12/31/2023 | | Amalgamated Bank | 11,112 | $206 | 03/31/2024 | | BLFS | 11,112 | $206 | 03/31/2024 | | Gryphon Financial Partners LLC | 11,999 | $195 | 12/31/2023 | | BLFS | 11,999 | $195 | 12/31/2023 | | State of Tennessee Treasury Department | 11,626 | $189 | 12/31/2023 | | BLFS | 11,626 | $189 | 12/31/2023 | | Entropy Technologies LP | 11,123 | $181 | 12/31/2023 | | BLFS | 11,123 | $181 | 12/31/2023 | | Connors Investor Services Inc. | 10,200 | $166 | 12/31/2023 | | BLFS | 10,200 | $166 | 12/31/2023 | | Oregon Public Employees Retirement Fund | 10,133 | $165 | 12/31/2023 | | BLFS | 10,133 | $165 | 12/31/2023 | | Sentinel Pension Advisors Inc. | 10,053 | $163 | 12/31/2023 | | BLFS | 10,053 | $163 | 12/31/2023 | | Teachers Retirement System of The State of Kentucky | 9,931 | $162 | 12/31/2023 | | BLFS | 9,931 | $162 | 12/31/2023 | | Wells Fargo & Company MN | 9,179 | $149 | 12/31/2023 | | BLFS | 9,179 | $149 | 12/31/2023 | | Compagnie Lombard Odier SCmA | 9,000 | $146 | 12/31/2023 | | BLFS | 9,000 | $146 | 12/31/2023 | | Zurcher Kantonalbank Zurich Cantonalbank | 7,690 | $143 | 03/31/2024 | | BLFS | 7,690 | $143 | 03/31/2024 | | Register Financial Advisors LLC | 5,200 | $96 | 03/31/2024 | | BLFS | 5,200 | $96 | 03/31/2024 | | Simplex Trading LLC | | $67 | 03/31/2024 | | Call | 3,800 | $70 | 03/31/2024 | | Put | 200 | $3 | 03/31/2024 | | Ameritas Investment Partners Inc. | 3,432 | $56 | 12/31/2023 | | BLFS | 3,432 | $56 | 12/31/2023 | | GAMMA Investing LLC | 2,659 | $49 | 03/31/2024 | | BLFS | 2,659 | $49 | 03/31/2024 | | Advisor Group Holdings Inc. | 2,782 | $45 | 12/31/2023 | | BLFS | 2,782 | $45 | 12/31/2023 | | The PNC Financial Services Group Inc. | 2,644 | $43 | 12/31/2023 | | BLFS | 2,644 | $43 | 12/31/2023 | | US Bancorp DE | 2,520 | $41 | 12/31/2023 | | BLFS | 2,520 | $41 | 12/31/2023 | | Signaturefd LLC | 2,020 | $33 | 12/31/2023 | | BLFS | 2,020 | $33 | 12/31/2023 | | Center for Financial Planning Inc. | 1,714 | $32 | 03/31/2024 | | BLFS | 1,714 | $32 | 03/31/2024 | | Metropolitan Life Insurance Co NY | 1,954 | $32 | 12/31/2023 | | BLFS | 1,954 | $32 | 12/31/2023 | | Nisa Investment Advisors LLC | 1,630 | $26 | 12/31/2023 | | BLFS | 1,630 | $26 | 12/31/2023 | | State of Wyoming | 1,559 | $25 | 12/31/2023 | | BLFS | 1,559 | $25 | 12/31/2023 | | Private Trust Co. NA | 391 | $7 | 03/31/2024 | | BLFS | 391 | $7 | 03/31/2024 | | Pineridge Advisors LLC | 436 | $7 | 12/31/2023 | | BLFS | 436 | $7 | 12/31/2023 | | Farther Finance Advisors LLC | 382 | $6 | 12/31/2023 | | BLFS | 382 | $6 | 12/31/2023 | | Smartleaf Asset Management LLC | 154 | $3 | 12/31/2023 | | BLFS | 154 | $3 | 12/31/2023 | | Fifth Third Bancorp | 112 | $2 | 03/31/2024 | | BLFS | 112 | $2 | 03/31/2024 | | CWM LLC | 102 | $2 | 03/31/2024 | | BLFS | 102 | $2 | 03/31/2024 | | Lindbrook Capital LLC | 96 | $2 | 03/31/2024 | | BLFS | 96 | $2 | 03/31/2024 | | Group One Trading L.P. | | $2 | 12/31/2023 | | Call | 300 | $5 | 12/31/2023 | | Put | 200 | $3 | 12/31/2023 | | Farmers & Merchants Investments Inc. | 24 | $0 | 03/31/2024 | | BLFS | 24 | $0 | 03/31/2024 | | Proequities Inc. | | $0 | 12/31/2023 | | Put | 0 | $0 | 12/31/2023 | | BLFS | 0 | $0 | 12/31/2023 | | Call | 0 | $0 | 12/31/2023 | | Parkside Financial Bank & Trust | 22 | $0 | 12/31/2023 | | BLFS | 22 | $0 | 12/31/2023 | | Covestor Ltd | 5 | $0 | 12/31/2023 | | BLFS | 5 | $0 | 12/31/2023 | | SYSTM Wealth Solutions LLC | 23 | $0 | 12/31/2023 | | BLFS | 23 | $0 | 12/31/2023 |
See Summary: Institutional Holders of BLFS
See Details: Top 10 Hedge Funds Holding BLFS
Also See: BLFS Insider Buying
Also See: BLFS Holdings Changes
|
|
Free BLFS Email Alerts:
