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, Q2 2026
Institutional positions in Caribou Biosciences, Inc. as of Jun 30, 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
- +1 vs. Q1 2026
- Shares held
- 48.4M
- +10.5M (+27.8%) vs. Q1 2026
- Total value
- $84.8M
- +$13.4M (+18.8%) vs. Q1 2026
- New holders
- 23
- 46 more added
- Sold out
- 22
- 24 more reduced
1 institution that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Caribou Biosciences, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Susquehanna International Group, LLP | 165,414 | $291.1K | 0.00% | −671,489−80.2% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 173,375 | $305.1K | 0.00% | +84,888+95.9% | Added |
| Milestone Asset Management, LLC | 200,085 | $352.1K | 0.06% | +38,009+23.5% | Added |
| Bank of New York Mellon Corp | 222,560 | $391.7K | 0.00% | +210,049+1,678.9% | Added |
| Man Group plc | 240,066 | $422.5K | 0.00% | +162,856+210.9% | Added |
| Bruce & Co., Inc. | 250,000 | $440.0K | 0.12% | 00.0% | Unchanged |
| XTX Topco Ltd | 269,157 | $473.7K | 0.01% | −54,312−16.8% | Reduced |
| Wells Fargo & Company | 298,315 | $525.0K | 0.00% | −5,340−1.8% | Reduced |
| Invesco Ltd. | 301,117 | $530.0K | 0.00% | +217,615+260.6% | Added |
| Goldman Sachs Group Inc | 322,875 | $568.3K | 0.00% | −53,714−14.3% | Reduced |
| PFM Health Sciences, LP | 354,687 | $624.2K | 0.05% | −603,100−63.0% | Reduced |
| Green Alpha Advisors, LLC | 364,324 | $641.2K | 0.43% | −9,326−2.5% | Reduced |
| Marshall Wace, LLP | 375,686 | $661.2K | 0.00% | −829,982−68.8% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 382,410 | $673.0K | 0.00% | −164,604−30.1% | Reduced |
| Jacobs Levy Equity Management, Inc | 410,979 | $723.3K | 0.00% | +52,038+14.5% | Added |
| Gsa Capital Partners LLP | 463,416 | $816.0K | 0.05% | −17,308−3.6% | Reduced |
| 72 Investment Holdings, LLC | 474,067 | $834.4K | 1.67% | 00.0% | Unchanged |
| UBS Group AG | 517,371 | $910.6K | 0.00% | +258,202+99.6% | Added |
| Qube Research & Technologies Ltd | 545,755 | $960.5K | 0.00% | +369,058+208.9% | Added |
| Vanguard Fiduciary Trust Co | 606,388 | $1.07M | 0.00% | +86,270+16.6% | Added |
| Vanguard Portfolio Management LLC | 613,801 | $1.08M | 0.00% | +613,801 | New |
| Maverick Capital LtdSuperinvestorMaverick Capital | 652,542 | $1.15M | 0.01% | 00.0% | Unchanged |
| Northern Trust Corp | 712,965 | $1.25M | 0.00% | +495,230+227.4% | Added |
| FMR LLC | 727,115 | $1.28M | 0.00% | +3,156+0.4% | Added |
| Charles Schwab Investment Management Inc | 775,809 | $1.37M | 0.00% | +216,167+38.6% | Added |
| Dimensional Fund Advisors LP | 975,327 | $1.72M | 0.00% | +302,127+44.9% | Added |
| Two Sigma Investments, LP | 1,046,279 | $1.84M | 0.00% | −713,655−40.6% | Reduced |
| Bank of America Corp | 1,410,958 | $2.48M | 0.00% | +113,791+8.8% | Added |
| State Street Corp | 1,632,914 | $2.87M | 0.00% | +1,209,651+285.8% | Added |
| Acadian Asset Management LLC | 1,774,474 | $3.12M | 0.00% | +849,435+91.8% | Added |
| Geode Capital Management, LLC | 2,374,894 | $4.18M | 0.00% | +1,356,935+133.3% | Added |
| Kynam Capital Management, LP | 2,503,302 | $4.41M | 0.24% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 2,773,545 | $4.88M | 0.01% | +183,048+7.1% | Added |
| Mackenzie Financial Corp | 3,650,796 | $6.43M | 0.01% | +2,708,010+287.2% | Added |
| Vanguard Capital Management LLC | 4,208,568 | $7.41M | 0.00% | +441,340+11.7% | Added |
| Pfizer Inc | 4,690,431 | $7.88M | 4.63% | 00.0% | Unchanged |
| BlackRock, Inc. | 7,815,843 | $13.8M | 0.00% | +5,672,758+264.7% | Added |
| Standard Life Aberdeen plc | 0 | $0 | 0.00% | −1,212,541−100.0% | Sold out |
| Omers Administration Corp | 0 | $0 | 0.00% | −120,200−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −78,954−100.0% | Sold out |
| Brevan Howard Capital Management LP | 0 | $0 | 0.00% | −65,062−100.0% | Sold out |
| Jefferies Financial Group Inc. | 0 | $0 | 0.00% | −33,262−100.0% | Sold out |
| Diametric Capital, LP | 0 | $0 | 0.00% | −32,793−100.0% | Sold out |
| Catalyst Funds Management Pty Ltd | 0 | $0 | 0.00% | −32,200−100.0% | Sold out |
| Envestnet Asset Management Inc | 0 | $0 | 0.00% | −30,586−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −23,969−100.0% | Sold out |
| Nine Masts Capital Ltd | 0 | $0 | 0.00% | −20,612−100.0% | Sold out |
| Westmount Partners, LLC | 0 | $0 | 0.00% | −19,609−100.0% | Sold out |
| AQR Capital Management LLC | 0 | $0 | 0.00% | −15,678−100.0% | Sold out |
| Bronte Capital Management Pty Ltd. | 0 | $0 | 0.00% | −15,627−100.0% | Sold out |
| CTC Alternative Strategies, Ltd. | 0 | $0 | 0.00% | −15,076−100.0% | Sold out |
| Cetera Investment Advisers | 0 | $0 | 0.00% | −14,781−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −13,052−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −12,460−100.0% | Sold out |
| Allworth Financial LP | 0 | $0 | 0.00% | −9,430−100.0% | Sold out |
| Scarborough Advisors, LLC | 0 | $0 | 0.00% | −8,420−100.0% | Sold out |
| Clear Street Markets LLC | 0 | $0 | 0.00% | −809−100.0% | Sold out |
| Signature Equity Partners, LLC | 0 | $0 | 0.00% | −177−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −114−100.0% | Sold out |
| CWM, LLC | – | – | – | – | Not filed |