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 |
|---|---|---|---|---|---|
| Citadel Advisors LLC | 159,033 | $302.2K | 0.00% | −356,396−69.1% | Reduced |
| Milestone Asset Management, LLC | 162,076 | $307.9K | 0.06% | −69,723−30.1% | Reduced |
| Qube Research & Technologies Ltd | 176,697 | $335.7K | 0.00% | −27,955−13.7% | Reduced |
| Point72 Asset Management, L.P. | 187,622 | $356.5K | 0.00% | −216,316−53.6% | Reduced |
| Northern Trust Corp | 217,735 | $413.7K | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 245,112 | $465.7K | 0.00% | −53,344−17.9% | Reduced |
| Bruce & Co., Inc. | 250,000 | $475.0K | 0.14% | 00.0% | Unchanged |
| UBS Group AG | 259,169 | $492.4K | 0.00% | −378,576−59.4% | Reduced |
| Wells Fargo & Company | 303,655 | $576.9K | 0.00% | +161,712+113.9% | Added |
| XTX Topco Ltd | 323,469 | $614.6K | 0.01% | −89,911−21.8% | Reduced |
| Jacobs Levy Equity Management, Inc | 358,941 | $682.0K | 0.00% | −465,358−56.5% | Reduced |
| Green Alpha Advisors, LLC | 373,650 | $709.9K | 0.70% | −1,489−0.4% | Reduced |
| Goldman Sachs Group Inc | 376,589 | $715.5K | 0.00% | −112,549−23.0% | Reduced |
| State Street Corp | 423,263 | $804.2K | 0.00% | 00.0% | Unchanged |
| 72 Investment Holdings, LLC | 474,067 | $900.7K | 1.82% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 480,724 | $913.0K | 0.06% | +109,352+29.4% | Added |
| Vanguard Fiduciary Trust Co | 520,118 | $988.2K | 0.00% | +520,118 | New |
| Cambridge Investment Research Advisors, Inc. | 547,014 | $1.04M | 0.00% | −34,779−6.0% | Reduced |
| Charles Schwab Investment Management Inc | 559,642 | $1.06M | 0.00% | +4,014+0.7% | Added |
| Maverick Capital LtdSuperinvestorMaverick Capital | 652,542 | $1.24M | 0.01% | 00.0% | Unchanged |
| Dimensional Fund Advisors LP | 673,200 | $1.28M | 0.00% | −332,810−33.1% | Reduced |
| FMR LLC | 723,959 | $1.38M | 0.00% | −2,009−0.3% | Reduced |
| Susquehanna International Group, LLP | 836,903 | $1.59M | 0.00% | −194,472−18.9% | Reduced |
| Acadian Asset Management LLC | 925,039 | $1.75M | 0.00% | +865,317+1,448.9% | Added |
| Mackenzie Financial Corp | 942,786 | $1.79M | 0.00% | +942,786 | New |
| PFM Health Sciences, LP | 957,787 | $1.82M | 0.19% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 1,017,959 | $1.93M | 0.00% | +41,146+4.2% | Added |
| Millennium Management LLC | 1,074,421 | $2.04M | 0.00% | +307,419+40.1% | Added |
| Marshall Wace, LLP | 1,205,668 | $2.29M | 0.00% | +324,563+36.8% | Added |
| Standard Life Aberdeen plc | 1,212,541 | $2.30M | 0.00% | −176,364−12.7% | Reduced |
| Bank of America Corp | 1,297,167 | $2.46M | 0.00% | +303,981+30.6% | Added |
| Two Sigma Investments, LP | 1,759,934 | $3.34M | 0.00% | +739,855+72.5% | Added |
| BlackRock, Inc. | 2,143,085 | $4.07M | 0.00% | +2,062+0.1% | Added |
| Kynam Capital Management, LP | 2,503,302 | $4.76M | 0.30% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 2,590,497 | $4.92M | 0.01% | +950,640+58.0% | Added |
| Vanguard Capital Management LLC | 3,767,228 | $7.16M | 0.00% | +3,767,228 | New |
| Pfizer Inc | 4,690,431 | $8.35M | 3.50% | 00.0% | Unchanged |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −1,115,700−100.0% | Sold out |
| Siren, L.L.C. | 0 | $0 | 0.00% | −105,347−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −77,704−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −55,938−100.0% | Sold out |
| Lighthouse Investment Partners, LLC | 0 | $0 | 0.00% | −44,160−100.0% | Sold out |
| Capital Advisory Group Advisory Services, LLC | 0 | $0 | 0.00% | −12,314−100.0% | Sold out |
| Buckingham Strategic Partners | 0 | $0 | 0.00% | −12,216−100.0% | Sold out |
| J.W. Cole Advisors, Inc. | 0 | $0 | 0.00% | −11,269−100.0% | Sold out |
| Optiver Holding B.V. | 0 | $0 | 0.00% | −1,104−100.0% | Sold out |
| Country Trust Bank | 0 | $0 | 0.00% | −700−100.0% | Sold out |
| Sunbelt Securities, Inc. | 0 | $0 | 0.00% | −18−100.0% | Sold out |
| IFP Advisors, Inc | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| DekaBank Deutsche Girozentrale | 0 | $0 | 0.00% | −130,000−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| Global Retirement Partners, LLC | – | – | – | – | Not filed |