CARIBOU BIOSCIENCES INC (CRBU)
Institutional ownership reported to the SEC as of Q2 2026, across 21 quarters.
Institutions report 48,753,511 shares against 107,207,513 outstanding. Shares only - option lines are excluded, which is why this can be compared with the company at all. The count comes from the cover page of the company's own most recent report, so it is dated when that was filed rather than at quarter end.
Calls and puts are the parts of reported value carried in derivative lines rather than shares, and they point in opposite directions: a manager holding calls is positioned for the security, one holding puts against it - or hedging shares they already own, which is why index funds carry so many. Most sites add the two together and report one figure, which averages away the only interesting part.
Holders
| Filer | Value | Shares | Their book | Held | Change |
|---|---|---|---|---|---|
| BlackRock, Inc. | $13.8M | 7,815,843 | 0.00% | 8q | +264.7%+$10.0M |
| Pfizer Inc | $7.9M | 4,690,431 | 4.63% | 7q | HELD |
| VANGUARD CAPITAL MANAGEMENT LLC | $7.4M | 4,208,568 | 0.00% | 2q | +11.7%+$776.8K |
| MACKENZIE FINANCIAL CORP | $6.4M | 3,650,796 | 0.01% | 2q | +287.2%+$4.8M |
| RENAISSANCE TECHNOLOGIES LLC | $4.9M | 2,773,545 | 0.01% | 5q | +7.1%+$322.2K |
| Kynam Capital Management, LP | $4.4M | 2,503,302 | 0.24% | 12q | HELD |
| GEODE CAPITAL MANAGEMENT, LLC | $4.2M | 2,374,894 | 0.00% | 20q | +133.3%+$2.4M |
| ACADIAN ASSET MANAGEMENT LLC | $3.1M | 1,774,474 | 0.00% | 3q | +91.8%+$1.5M |
| STATE STREET CORP | $2.9M | 1,632,914 | 0.00% | 20q | +285.8%+$2.1M |
| BANK OF AMERICA CORP /DE/ | $2.5M | 1,410,958 | 0.00% | 20q | +8.8%+$200.3K |
| TWO SIGMA INVESTMENTS, LP | $1.8M | 1,046,279 | 0.00% | 13q | -40.6%-$1.3M |
| DIMENSIONAL FUND ADVISORS LP | $1.7M | 975,327 | 0.00% | 15q | +44.9%+$531.8K |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $1.4M | 775,809 | 0.00% | 20q | +38.6%+$380.5K |
| Cambridge Investment Research Advisors, Inc. | $1.3M | 764,820 | 0.00% | 6q | +39.8%+$383.3K |
| FMR LLC | $1.3M | 727,115 | 0.00% | 20q | HELD |
| NORTHERN TRUST CORP | $1.3M | 712,965 | 0.00% | 20q | +227.4%+$871.6K |
| MAVERICK CAPITAL LTD | $1.1M | 652,542 | 0.01% | 20q | HELD |
| VANGUARD PORTFOLIO MANAGEMENT LLC | $1.1M | 613,801 | 0.00% | new | NEW |
| VANGUARD FIDUCIARY TRUST CO | $1.1M | 606,388 | 0.00% | 2q | +16.6%+$151.8K |
| Qube Research & Technologies Ltd | $960.5K | 545,755 | 0.00% | 4q | +208.9%+$649.5K |
| UBS Group AG | $910.6K | 517,371 | 0.00% | 20q | +99.6%+$454.4K |
| 72 Investment Holdings, LLC | $834.4K | 474,067 | 1.67% | 20q | HELD |
| GSA CAPITAL PARTNERS LLP | $816.0K | 463,416 | 0.05% | 3q | -3.6%-$30.5K |
| JACOBS LEVY EQUITY MANAGEMENT, INC | $723.3K | 410,979 | 0.00% | 7q | +14.5%+$91.6K |
| MARSHALL WACE, LLP | $661.2K | 375,686 | 0.00% | 4q | -68.8%-$1.5M |
| Green Alpha Advisors, LLC | $641.2K | 364,324 | 0.43% | 20q | -2.5%-$16.4K |
| PFM Health Sciences, LP | $624.2K | 354,687 | 0.05% | 20q | -63.0%-$1.1M |
| GOLDMAN SACHS GROUP INC | $568.3K | 322,875 | 0.00% | 19q | -14.3%-$94.5K |
| Invesco Ltd. | $530.0K | 301,117 | 0.00% | 18q | +260.6%+$383.0K |
| WELLS FARGO & COMPANY/MN | $525.0K | 298,315 | 0.00% | 20q | -1.8%-$9.4K |
| XTX Topco Ltd | $473.7K | 269,157 | 0.01% | 5q | -16.8%-$95.6K |
| Bruce & Co., Inc. | $440.0K | 250,000 | 0.12% | 14q | HELD |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $431.8K incl. $140.6K options CALL+PUT | 165,414 | 0.00% | 7q | -80.2%-$1.8M |
| Man Group plc | $422.5K | 240,066 | 0.00% | 3q | +210.9%+$286.6K |
| Bank of New York Mellon Corp | $391.7K | 222,560 | 0.00% | 20q | +1678.9%+$369.7K |
| MILESTONE ASSET MANAGEMENT, LLC | $352.1K | 200,085 | 0.06% | 9q | +23.5%+$66.9K |
| CITADEL ADVISORS LLC | $348.2K incl. $277.0K options CALL+PUT | 40,415 | 0.00% | 19q | -74.6%-$1.0M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | $305.1K | 173,375 | 0.00% | 3q | +95.9%+$149.4K |
| Susquehanna Portfolio Strategies, LLC | $279.1K | 158,597 | 0.00% | new | NEW |
| Graham Capital Management, L.P. | $274.4K | 155,914 | 0.00% | 4q | +302.3%+$206.2K |
| AMERICAN CENTURY COMPANIES INC | $247.4K | 140,580 | 0.00% | 4q | +25.0%+$49.5K |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | $232.3K | 132,000 | 0.00% | 8q | HELD |
| Nuveen, LLC | $217.4K | 123,516 | 0.00% | new | NEW |
| LPL Financial LLC | $216.1K | 122,774 | 0.00% | 4q | +248.1%+$154.0K |
| MORGAN STANLEY | $213.5K | 121,320 | 0.00% | 20q | -50.5%-$217.9K |
| NANO CAP NEW MILLENNIUM GROWTH FUND L P | $206.8K | 117,500 | 0.16% | 3q | HELD |
| JANE STREET GROUP, LLC | $200.5K incl. $147.1K options CALL+PUT | 30,331 | 0.00% | 13q | +21.4%+$35.4K |
| DEUTSCHE BANK AG\ | $157.7K | 89,575 | 0.00% | new | NEW |
| Quadrature Capital Ltd | $156.6K | 88,979 | 0.00% | 3q | +124.9%+$87.0K |
| CANADA PENSION PLAN INVESTMENT BOARD | $142.7K | 81,100 | 0.00% | 3q | +40.1%+$40.8K |
| Keystone Financial Group | $142.3K | 80,825 | 0.01% | 3q | HELD |
| SIMPLEX TRADING, LLC | $130.8K CALL+PUT | options only | 0.00% | 8q | OPTIONS |
| BNP PARIBAS FINANCIAL MARKETS | $124.8K | 70,896 | 0.00% | 7q | +3205.2%+$121.0K |
| RHUMBLINE ADVISERS | $120.7K | 68,571 | 0.00% | new | NEW |
| CITIGROUP INC | $107.9K | 61,311 | 0.00% | 20q | +7.7%+$7.7K |
| Nelson Capital Management, LLC | $103.3K | 58,685 | 0.01% | 18q | HELD |
| MILLENNIUM MANAGEMENT LLC | $90.1K | 51,171 | 0.00% | 20q | -95.2%-$1.8M |
| BARCLAYS PLC | $88.5K | 50,312 | 0.00% | 18q | +88.3%+$41.5K |
| COMMONWEALTH EQUITY SERVICES, LLC | $84.3K | 47,908 | 0.00% | 17q | +6.7%+$5.3K |
| Virtu Financial LLC | $80.0K | 45,188 | 0.00% | 2q | +23.4%+$15.2K |
| JPMORGAN CHASE & CO | $76.0K | 42,929 | 0.00% | 3q | +605.0%+$65.2K |
| SEI INVESTMENTS CO | $73.8K | 41,939 | 0.00% | 2q | +35.3%+$19.2K |
| ALLIANCEBERNSTEIN L.P. | $70.5K | 37,080 | 0.00% | new | NEW |
| RBF Capital, LLC | $70.4K | 40,000 | 0.00% | 5q | HELD |
| PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO | $68.9K | 39,129 | 0.00% | 7q | HELD |
| Russell Investments Group, Ltd. | $65.8K | 37,380 | 0.00% | 9q | +35.6%+$17.3K |
| Connor, Clark & Lunn Investment Management Ltd. | $62.5K | 35,513 | 0.00% | 2q | +15.5%+$8.4K |
| NEW YORK STATE COMMON RETIREMENT FUND | $62.3K | 35,400 | 0.00% | new | NEW |
| HSBC HOLDINGS PLC | $61.9K | 34,460 | 0.00% | 10q | HELD |
| Vanguard Personalized Indexing Management, LLC | $61.1K | 34,715 | 0.00% | 7q | -11.5%-$8.0K |
| PRUDENTIAL FINANCIAL INC | $60.5K | 34,375 | 0.00% | 2q | +80.9%+$27.1K |
| US BANCORP \DE\ | $60.3K | 34,265 | 0.00% | 17q | HELD |
| &PARTNERS | $57.2K | 32,505 | 0.00% | 5q | HELD |
| Prime Capital Investment Advisors, LLC | $56.9K | 32,315 | 0.00% | 14q | HELD |
| Thrive Wealth Management, LLC | $56.3K | 32,000 | 0.01% | 7q | HELD |
| AMERIPRISE FINANCIAL INC | $52.0K | 29,530 | 0.00% | 7q | HELD |
| Vanguard Global Advisers, LLC | $51.2K | 29,101 | 0.00% | 2q | HELD |
| CREDIT AGRICOLE S A | $51.0K | 29,000 | 0.00% | 4q | HELD |
| Police & Firemen's Retirement System of New Jersey | $47.7K | 27,084 | 0.00% | new | NEW |
| BANK OF MONTREAL /CAN/ | $46.6K | 26,500 | 0.00% | 2q | +26.2%+$9.7K |
| Creative Planning | $44.9K | 25,500 | 0.00% | 5q | +54.5%+$15.8K |
| GROUP ONE TRADING LLC | $44.2K incl. $34.7K options CALL | 5,416 | 0.00% | 15q | HELD |
| Spark Investment Management LLC | $41.5K | 23,600 | 0.08% | new | NEW |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | $41.3K | 23,464 | 0.00% | new | NEW |
| LIBERTY WEALTH MANAGEMENT LLC | $37.0K | 19,500 | 0.00% | 4q | HELD |
| RAYMOND JAMES FINANCIAL INC | $36.1K | 20,534 | 0.00% | 2q | +25.4%+$7.3K |
| Next Capital Management LLC | $35.2K | 20,000 | 0.01% | 5q | HELD |
| INTECH INVESTMENT MANAGEMENT LLC | $35.0K | 19,870 | 0.00% | new | NEW |
| HighTower Advisors, LLC | $29.8K | 16,934 | 0.00% | 7q | HELD |
| China Universal Asset Management Co., Ltd. | $27.8K | 15,785 | 0.00% | 3q | -4.8%-$1.4K |
| Point72 Asset Management, L.P. | $27.8K | 15,769 | 0.00% | 15q | -91.6%-$302.5K |
| ProShare Advisors LLC | $26.9K | 15,279 | 0.00% | new | NEW |
| Modern Wealth Management, LLC | $26.4K | 15,000 | 0.00% | 6q | HELD |
| GREAT VALLEY ADVISOR GROUP, INC. | $25.2K | 14,314 | 0.00% | 2q | HELD |
| PINNACLE ASSOCIATES LTD | $22.7K | 12,903 | 0.00% | 17q | HELD |
| Pinnacle Wealth Management Advisory Group, LLC | $22.7K | 12,903 | 0.00% | 17q | HELD |
| AXQ CAPITAL, LP | $21.6K | 12,249 | 0.00% | 2q | -18.3%-$4.8K |
| WEALTH ENHANCEMENT ADVISORY SERVICES, LLC | $21.2K | 11,008 | 0.00% | new | NEW |
| HBK Sorce Advisory LLC | $19.9K | 12,344 | 0.00% | 5q | HELD |
| J.W. COLE ADVISORS, INC. | $19.8K | 11,269 | 0.00% | new | NEW |
Showing the largest 100 of 138 reported holders.
What the company announced
Form 8-K filings from the last 120 days, showing only the items worth a reader's attention. Earnings releases, exhibit attachments and general disclosures are filed constantly and are left out. Filed is when the SEC received it; event is the date the company says the thing happened.
| Filed | Event date | What | Source |
|---|---|---|---|
| 2026-10-06 | 2026-10-02 | Directors or officers departed or appointed Exit or disposal costs | filing |
Quarter by quarter
Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.
| Quarter | Holders | Value | Shares | New | Added | Trimmed | Options |
|---|---|---|---|---|---|---|---|
| Q3 2026 | 30 | $1.3M | 1,032,530 | 9 | 8 | 3 | 0.0% |
| Q2 2026 | 138 | $86.2M | 48,753,511 | 23 | 44 | 23 | 0.8% |
| Q1 2026 | 139 | $72.3M | 37,843,541 | 25 | 26 | 38 | 1.4% |
| Q4 2025 | 126 | $60.2M | 37,208,663 | 18 | 28 | 28 | 0.9% |
| Q3 2025 | 117 | $87.5M | 37,154,231 | 17 | 18 | 44 | 0.6% |
| Q2 2025 | 130 | $53.0M | 41,358,398 | 32 | 28 | 42 | 0.5% |
| Q1 2025 | 132 | $46.7M | 50,281,909 | 18 | 36 | 38 | 0.5% |
| Q4 2024 | 135 | $93.5M | 58,269,004 | 22 | 49 | 27 | 0.4% |
| Q3 2024 | 128 | $104.5M | 52,808,029 | 18 | 42 | 31 | 0.5% |
| Q2 2024 | 137 | $88.6M | 53,624,057 | 26 | 38 | 42 | 0.2% |
| Q1 2024 | 152 | $351.3M | 68,129,109 | 23 | 41 | 44 | 0.3% |
| Q4 2023 | 146 | $406.3M | 70,763,423 | 28 | 55 | 30 | 0.2% |
| Q3 2023 | 127 | $339.5M | 70,779,287 | 28 | 56 | 18 | 0.3% |
| Q2 2023 | 121 | $185.7M | 43,749,224 | 19 | 41 | 27 | 0.1% |
| Q1 2023 | 126 | $246.2M | 46,428,794 | 14 | 48 | 32 | 0.1% |
| Q4 2022 | 132 | $274.4M | 43,588,134 | 28 | 31 | 40 | 0.2% |
| Q3 2022 | 108 | $637.7M | 60,294,974 | 14 | 48 | 22 | 0.4% |
| Q2 2022 | 116 | $300.5M | 54,732,457 | 29 | 30 | 32 | 0.4% |
| Q1 2022 | 99 | $474.7M | 51,534,003 | 20 | 39 | 18 | 0.1% |
| Q4 2021 | 92 | $553.3M | 36,760,927 | 26 | 32 | 11 | 0.5% |
| Q3 2021 | 86 | $840.4M | 35,745,120 | 84 | 0 | 0 | 0.0% |
