Caribou Biosciences, Inc.
CRBU- Exchange
- Nasdaq
- Industry
- Biological Products, (No Diagnostic Substances)
- SEC CIK
- 0001619856
No open-market purchases or sales by Caribou Biosciences, Inc. insiders were filed in the last 90 days; 137 institutions reported holding it in 13F filings for Q2 2026, worth $84.8M in total; Maverick Capital is the only superinvestor holding it.
13F holders, Q1 2026
Institutional positions in Caribou Biosciences, Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 137
- +15 vs. Q4 2025
- Shares held
- 37.8M
- +5.01M (+15.3%) vs. Q4 2025
- Total value
- $71.3M
- +$19.3M (+37.2%) vs. Q4 2025
- New holders
- 28
- 27 more added
- Sold out
- 13
- 39 more reduced
2 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting CRBU on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 137 | $84.8M |
| Q1 2026 | 137 | $71.3M |
| Q4 2025 | 124 | $58.8M |
| Q3 2025 | 117 | $87.0M |
| Q2 2025 | 129 | $51.2M |
| Q1 2025 | 131 | $45.8M |
| Q4 2024 | 133 | $93.1M |
| Q3 2024 | 129 | $103.1M |
| Q2 2024 | 140 | $87.6M |
| Q1 2024 | 151 | $343.0M |
| Q4 2023 | 144 | $395.8M |
| Q3 2023 | 126 | $338.5M |
| Q2 2023 | 121 | $185.5M |
| Q1 2023 | 126 | $238.3M |
| Q4 2022 | 133 | $273.8M |
| Q3 2022 | 113 | $456.8M |
| Q2 2022 | 120 | $203.0M |
| Q1 2022 | 104 | $313.2M |
| Q4 2021 | 93 | $464.7M |
| Q3 2021 | 88 | $704.7M |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Caribou Biosciences, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Pfizer Inc | 4,690,431 | $8.35M | 3.50% | 00.0% | Unchanged |
| Vanguard Capital Management LLC | 3,767,228 | $7.16M | 0.00% | +3,767,228 | New |
| Renaissance Technologies LLC | 2,590,497 | $4.92M | 0.01% | +950,640+58.0% | Added |
| Kynam Capital Management, LP | 2,503,302 | $4.76M | 0.30% | 00.0% | Unchanged |
| BlackRock, Inc. | 2,143,085 | $4.07M | 0.00% | +2,062+0.1% | Added |
| Two Sigma Investments, LP | 1,759,934 | $3.34M | 0.00% | +739,855+72.5% | Added |
| Bank of America Corp | 1,297,167 | $2.46M | 0.00% | +303,981+30.6% | Added |
| Standard Life Aberdeen plc | 1,212,541 | $2.30M | 0.00% | −176,364−12.7% | Reduced |
| Marshall Wace, LLP | 1,205,668 | $2.29M | 0.00% | +324,563+36.8% | Added |
| Millennium Management LLC | 1,074,421 | $2.04M | 0.00% | +307,419+40.1% | Added |
| Geode Capital Management, LLC | 1,017,959 | $1.93M | 0.00% | +41,146+4.2% | Added |
| PFM Health Sciences, LP | 957,787 | $1.82M | 0.19% | 00.0% | Unchanged |
| Mackenzie Financial Corp | 942,786 | $1.79M | 0.00% | +942,786 | New |
| Acadian Asset Management LLC | 925,039 | $1.75M | 0.00% | +865,317+1,448.9% | Added |
| Susquehanna International Group, LLP | 836,903 | $1.59M | 0.00% | −194,472−18.9% | Reduced |
| FMR LLC | 723,959 | $1.38M | 0.00% | −2,009−0.3% | Reduced |
| Dimensional Fund Advisors LP | 673,200 | $1.28M | 0.00% | −332,810−33.1% | Reduced |
| Maverick Capital LtdSuperinvestorMaverick Capital | 652,542 | $1.24M | 0.01% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 559,642 | $1.06M | 0.00% | +4,014+0.7% | Added |
| Cambridge Investment Research Advisors, Inc. | 547,014 | $1.04M | 0.00% | −34,779−6.0% | Reduced |
| Vanguard Fiduciary Trust Co | 520,118 | $988.2K | 0.00% | +520,118 | New |
| Gsa Capital Partners LLP | 480,724 | $913.0K | 0.06% | +109,352+29.4% | Added |
| 72 Investment Holdings, LLC | 474,067 | $900.7K | 1.82% | 00.0% | Unchanged |
| State Street Corp | 423,263 | $804.2K | 0.00% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 376,589 | $715.5K | 0.00% | −112,549−23.0% | Reduced |
| Green Alpha Advisors, LLC | 373,650 | $709.9K | 0.70% | −1,489−0.4% | Reduced |
| Jacobs Levy Equity Management, Inc | 358,941 | $682.0K | 0.00% | −465,358−56.5% | Reduced |
| XTX Topco Ltd | 323,469 | $614.6K | 0.01% | −89,911−21.8% | Reduced |
| Wells Fargo & Company | 303,655 | $576.9K | 0.00% | +161,712+113.9% | Added |
| UBS Group AG | 259,169 | $492.4K | 0.00% | −378,576−59.4% | Reduced |
| Bruce & Co., Inc. | 250,000 | $475.0K | 0.14% | 00.0% | Unchanged |
| Morgan Stanley | 245,112 | $465.7K | 0.00% | −53,344−17.9% | Reduced |
| Northern Trust Corp | 217,735 | $413.7K | 0.00% | 00.0% | Unchanged |
| Point72 Asset Management, L.P. | 187,622 | $356.5K | 0.00% | −216,316−53.6% | Reduced |
| Qube Research & Technologies Ltd | 176,697 | $335.7K | 0.00% | −27,955−13.7% | Reduced |
| Milestone Asset Management, LLC | 162,076 | $307.9K | 0.06% | −69,723−30.1% | Reduced |
| Citadel Advisors LLC | 159,033 | $302.2K | 0.00% | −356,396−69.1% | Reduced |
| Bridgeway Capital Management, LLC | 132,000 | $250.8K | 0.01% | −16,500−11.1% | Reduced |
| Omers Administration Corp | 120,200 | $228.4K | 0.00% | −57,900−32.5% | Reduced |
| Nano Cap New Millennium Growth Fund L P | 117,500 | $223.3K | 0.21% | +5,000+4.4% | Added |
| American Century Companies Inc | 112,453 | $213.7K | 0.00% | 00.0% | Unchanged |
| Mirae Asset Global ETFs Holdings Ltd. | 88,487 | $168.1K | 0.00% | +3,241+3.8% | Added |
| Invesco Ltd. | 83,502 | $158.7K | 0.00% | +48,439+138.1% | Added |
| Keystone Financial Group | 80,475 | $152.9K | 0.01% | 00.0% | Unchanged |
| HRT Financial LP | 78,954 | $150.0K | 0.00% | +78,954 | New |
| Man Group plc | 77,210 | $146.7K | 0.00% | +40,498+110.3% | Added |
| Brevan Howard Capital Management LP | 65,062 | $123.6K | 0.00% | +65,062 | New |
| Nelson Capital Management, LLC | 58,685 | $111.5K | 0.01% | 00.0% | Unchanged |
| Canada Pension Plan Investment Board | 57,900 | $110.0K | 0.00% | +50,500+682.4% | Added |
| Citigroup Inc | 56,923 | $108.2K | 0.00% | −17,648−23.7% | Reduced |
| Commonwealth Equity Services, LLC | 44,908 | $85.3K | 0.00% | −1,000−2.2% | Reduced |
| RBF Capital, LLC | 40,000 | $76.0K | 0.00% | 00.0% | Unchanged |
| Quadrature Capital Ltd | 39,556 | $75.2K | 0.00% | −119,761−75.2% | Reduced |
| JustInvest LLC | 39,233 | $74.5K | 0.00% | −2,880−6.8% | Reduced |
| Public Employees Retirement System of Ohio | 39,129 | $74.3K | 0.00% | −3,100−7.3% | Reduced |
| Graham Capital Management, L.P. | 38,751 | $73.6K | 0.00% | −68,502−63.9% | Reduced |
| Virtu Financial LLC | 36,609 | $70.0K | 0.00% | +36,609 | New |
| LPL Financial LLC | 35,274 | $67.0K | 0.00% | +19,750+127.2% | Added |
| HSBC Holdings PLC | 34,460 | $65.3K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 34,265 | $65.1K | 0.00% | 00.0% | Unchanged |
| Jefferies Financial Group Inc. | 33,262 | $63.2K | 0.00% | −11,578−25.8% | Reduced |
| Diametric Capital, LP | 32,793 | $62.3K | 0.02% | +32,793 | New |
| Wiley Bros.-Aintree Capital, LLC | 32,505 | $61.8K | 0.00% | −3,000−8.4% | Reduced |
| Prime Capital Investment Advisors, LLC | 32,315 | $61.4K | 0.00% | −1,619−4.8% | Reduced |
| Catalyst Funds Management Pty Ltd | 32,200 | $61.2K | 0.01% | +32,200 | New |
| Thrive Wealth Management, LLC | 32,000 | $60.8K | 0.01% | 00.0% | Unchanged |
| SEI Investments Co | 31,008 | $58.9K | 0.00% | +31,008 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 30,741 | $58.4K | 0.00% | +30,741 | New |
| Envestnet Asset Management Inc | 30,586 | $58.1K | 0.00% | −1,721−5.3% | Reduced |
| Ameriprise Financial Inc | 29,430 | $55.9K | 0.00% | −55,674−65.4% | Reduced |
| Vanguard Global Advisers, LLC | 29,101 | $55.3K | 0.00% | +29,101 | New |
| Credit Agricole S A | 29,000 | $55.1K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 27,560 | $52.4K | 0.00% | +3,213+13.2% | Added |
| Barclays PLC | 26,713 | $50.8K | 0.00% | +5,025+23.2% | Added |
| Jane Street Group, LLC | 24,975 | $47.5K | 0.00% | −270,710−91.6% | Reduced |
| Schonfeld Strategic Advisors LLC | 23,969 | $45.5K | 0.00% | +23,969 | New |
| Bank of Montreal | 21,000 | $39.9K | 0.00% | +21,000 | New |
| Nine Masts Capital Ltd | 20,612 | $39.2K | 0.01% | +20,612 | New |
| Next Capital Management LLC | 20,000 | $38.0K | 0.01% | 00.0% | Unchanged |
| Westmount Partners, LLC | 19,609 | $37.3K | 0.01% | +19,609 | New |
| Liberty Wealth Management LLC | 19,500 | $37.0K | 0.00% | 00.0% | Unchanged |
| Prudential Financial Inc | 19,000 | $36.1K | 0.00% | +19,000 | New |
| HighTower Advisors, LLC | 16,934 | $32.2K | 0.00% | 00.0% | Unchanged |
| China Universal Asset Management Co., Ltd. | 16,587 | $31.5K | 0.00% | +1,356+8.9% | Added |
| Creative Planning | 16,500 | $31.4K | 0.00% | −2,000−10.8% | Reduced |
| Raymond James Financial Inc | 16,373 | $31.1K | 0.00% | +16,373 | New |
| Modern Wealth Management, LLC | 15,000 | $29.9K | 0.00% | 00.0% | Unchanged |
| AQR Capital Management LLC | 15,678 | $29.8K | 0.00% | −9,883−38.7% | Reduced |
| Bronte Capital Management Pty Ltd. | 15,627 | $29.7K | 0.00% | 00.0% | Unchanged |
| CTC Alternative Strategies, Ltd. | 15,076 | $28.6K | 0.07% | +15,076 | New |
| Axq Capital, LP | 15,000 | $28.5K | 0.00% | +15,000 | New |
| Cetera Investment Advisers | 14,781 | $28.1K | 0.00% | −1,000−6.3% | Reduced |
| Great Valley Advisor Group, Inc. | 14,314 | $27.6K | 0.00% | +14,314 | New |
| Two Sigma Securities, LLC | 13,052 | $24.8K | 0.00% | +13,052 | New |
| Pinnacle Associates Ltd | 12,903 | $24.5K | 0.00% | 00.0% | Unchanged |
| Pinnacle Wealth Management Advisory Group, LLC | 12,903 | $24.5K | 0.00% | 00.0% | Unchanged |
| HBK Sorce Advisory LLC | 12,344 | $23.9K | 0.00% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 12,511 | $23.8K | 0.00% | −445−3.4% | Reduced |
| Jump Financial, LLC | 12,460 | $23.7K | 0.00% | +12,460 | New |
| GWM Advisors LLC | 10,925 | $20.8K | 0.00% | +525+5.0% | Added |