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, Q3 2025
Institutional positions in Caribou Biosciences, Inc. as of Sep 30, 2025. 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
- 117
- −12 vs. Q2 2025
- Shares held
- 37.2M
- −3.61M (−8.8%) vs. Q2 2025
- Total value
- $87.0M
- +$35.8M (+69.9%) vs. Q2 2025
- New holders
- 16
- 21 more added
- Sold out
- 28
- 47 more reduced
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Caribou Biosciences, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Cambridge Investment Research Advisors, Inc. | 582,387 | $1.36M | 0.00% | −2,059−0.4% | Reduced |
| Maverick Capital LtdSuperinvestorMaverick Capital | 652,542 | $1.52M | 0.02% | 00.0% | Unchanged |
| FMR LLC | 729,002 | $1.70M | 0.00% | −439−0.1% | Reduced |
| Pale Fire Capital SE | 775,055 | $1.81M | 0.20% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 780,421 | $1.82M | 0.00% | +248,300+46.7% | Added |
| Two Sigma Investments, LP | 783,590 | $1.83M | 0.00% | −144,935−15.6% | Reduced |
| Geode Capital Management, LLC | 985,126 | $2.30M | 0.00% | +4,197+0.4% | Added |
| Bank of America Corp | 1,074,442 | $2.50M | 0.00% | +265,542+32.8% | Added |
| Dimensional Fund Advisors LP | 1,210,310 | $2.82M | 0.00% | −97,045−7.4% | Reduced |
| Two Sigma Advisers, LP | 1,227,400 | $2.86M | 0.01% | −220,400−15.2% | Reduced |
| PFM Health Sciences, LP | 1,358,831 | $3.17M | 0.27% | 00.0% | Unchanged |
| Standard Life Aberdeen plc | 1,388,905 | $3.24M | 0.01% | +491,326+54.7% | Added |
| BlackRock, Inc. | 1,459,320 | $3.40M | 0.00% | −424,156−22.5% | Reduced |
| Kynam Capital Management, LP | 3,067,774 | $7.15M | 0.53% | 00.0% | Unchanged |
| Millennium Management LLC | 3,216,535 | $7.49M | 0.01% | +1,665,946+107.4% | Added |
| Vanguard Group Inc | 4,226,926 | $9.85M | 0.00% | +137,060+3.4% | Added |
| Pfizer Inc | 4,690,431 | $10.9M | 2.50% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −166,396−100.0% | Sold out |
| Brevan Howard Capital Management LP | 0 | $0 | 0.00% | −155,521−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −137,211−100.0% | Sold out |
| Woodline Partners LP | 0 | $0 | 0.00% | −122,833−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −105,865−100.0% | Sold out |
| Aster Capital Management (DIFC) Ltd | 0 | $0 | 0.00% | −105,006−100.0% | Sold out |
| Jain Global LLC | 0 | $0 | 0.00% | −101,178−100.0% | Sold out |
| Ieq Capital, LLC | 0 | $0 | 0.00% | −100,198−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −91,110−100.0% | Sold out |
| Keystone Financial Group | 0 | $0 | 0.00% | −63,975−100.0% | Sold out |
| Eqis Capital Management, Inc. | 0 | $0 | 0.00% | −32,513−100.0% | Sold out |
| Cerity Partners LLC | 0 | $0 | 0.00% | −31,802−100.0% | Sold out |
| Wealth Enhancement Advisory Services, LLC | 0 | $0 | 0.00% | −22,083−100.0% | Sold out |
| Hudson Bay Capital Management LP | 0 | $0 | 0.00% | −23,738−100.0% | Sold out |
| DRW Securities, LLC | 0 | $0 | 0.00% | −22,200−100.0% | Sold out |
| Ground Swell Capital, LLC | 0 | $0 | 0.00% | −16,306−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −15,782−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −14,207−100.0% | Sold out |
| Pathstone Holdings, LLC | 0 | $0 | 0.00% | −13,011−100.0% | Sold out |
| Prudential Financial Inc | 0 | $0 | 0.00% | −10,600−100.0% | Sold out |
| Raymond James Financial Inc | 0 | $0 | 0.00% | −8,727−100.0% | Sold out |
| Clear Street Markets LLC | 0 | $0 | 0.00% | −2,735−100.0% | Sold out |
| Federation des caisses Desjardins du Quebec | 0 | $0 | 0.00% | −900−100.0% | Sold out |
| True Wealth Design, LLC | 0 | $0 | 0.00% | −791−100.0% | Sold out |
| JPMorgan Chase & Co | 0 | $0 | 0.00% | −710−100.0% | Sold out |
| Clearstead Advisors, LLC | 0 | $0 | 0.00% | −351−100.0% | Sold out |
| Allworth Financial LP | 0 | $0 | 0.00% | −156−100.0% | Sold out |
| Northwestern Mutual Wealth Management Co | 0 | $0 | 0.00% | −4−100.0% | Sold out |