Caribou Biosciences Ownership | Who Owns Caribou Biosciences?
Caribou Biosciences Ownership Summary
Caribou Biosciences is owned by 26.44% institutional investors, 9.72% insiders, and 63.85% retail investors. Blackrock is the largest institutional shareholder, holding 7.78% of CRBU shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 2.92% of its assets in Caribou Biosciences shares.
CRBU Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Caribou Biosciences | 26.44% | 9.72% | 63.85% |
| Sector | Healthcare Stocks | 232.20% | 10.74% | -142.94% |
| Industry | Biotech Stocks | 382.11% | 10.55% | -292.66% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Blackrock | 6.95M | 7.78% | $11.39M |
| Pfizer | 4.69M | 5.03% | $7.46M |
| Bank of america corp /de/ | 4.16M | 4.66% | $6.83M |
| Vanguard group | 4.30M | 4.61% | $6.84M |
| Kynam capital management, lp | 3.07M | 3.30% | $7.15M |
| Blackrock funding, inc. /de | 2.14M | 2.29% | $3.40M |
| Renaissance | 1.64M | 1.76% | $2.61M |
| Abrdn | 1.39M | 1.49% | $2.21M |
| Pfm health sciences, lp | 1.36M | 1.46% | $3.17M |
| Two sigma advisers, lp | 1.23M | 1.32% | $2.86M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Pfizer | 4.69M | 3.15% | $7.46M |
| 72 investment | 474.07K | 1.63% | $1.10M |
| Green alpha advisors | 375.14K | 0.55% | $596.47K |
| Kynam capital management, lp | 3.07M | 0.53% | $7.15M |
| Pfm health sciences, lp | 1.36M | 0.24% | $3.17M |
| Bruce | 250.00K | 0.18% | $582.50K |
| Nano cap new millennium growth fund l p | 112.50K | 0.15% | $178.88M |
| Milestone asset management | 231.80K | 0.07% | $368.56K |
| Xtx topco | 441.54K | 0.05% | $1.03M |
| Gsa capital partners llp | 371.37K | 0.05% | $590.00K |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Bank of america corp /de/ | 4.16M | 0.00% | 3.05M |
| Renaissance | 1.64M | 0.00% | 859.44K |
| Blackrock funding, inc. /de | 2.14M | 0.00% | 681.70K |
| Gsa capital partners llp | 371.37K | 0.05% | 371.37K |
| Xtx topco | 441.54K | 0.05% | 336.31K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Avidity partners management lp | - | - | -5.79M |
| Alkeon capital management | - | - | -2.74M |
| Paradigm biocapital advisors lp | - | - | -2.17M |
| Schonfeld strategic advisors | 558.58K | 0.01% | -1.71M |
| Fil | - | - | -860.67K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Marshall wace, llp | 125.84K | 0.00% | 125.84K | $293.22K |
| Nano cap new millennium growth fund l p | 112.50K | 0.15% | 112.50K | $178.88M |
| American century companies | 81.80K | 0.00% | 81.80K | $190.60K |
| Acadian asset management | 59.72K | 0.00% | 59.72K | $94.00K |
| Qube research | 45.15K | 0.00% | 45.15K | $105.20K |
Sold Out
| Holder | Change |
|---|---|
| Nbc securities | -2.00 |
| Northwestern mutual wealth management | -4.00 |
| Nelson, van denburg & campbell wealth management group | -17.00 |
| Eversource wealth advisors | -24.00 |
| Frazier financial advisors | -40.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Dec 31, 2025 | 80 | -33.88% | 24,665,069 | -33.73% | 26 | 1.65% | 31 | -11.43% | 21 | -56.25% |
| Sep 30, 2025 | 115 | -13.53% | 36,849,134 | -9.66% | 39 | 2.06% | 33 | -46.77% | 46 | 9.52% |
| Jun 30, 2025 | 132 | -0.75% | 40,507,235 | -19.40% | 43 | 1.48% | 61 | 12.96% | 43 | - |
| Mar 31, 2025 | 133 | -1.48% | 50,255,248 | -13.75% | 54 | 1.31% | 54 | -28.00% | 44 | 62.96% |
| Dec 31, 2024 | 133 | 2.31% | 58,115,660 | 10.96% | 64 | 1.92% | 73 | 21.67% | 27 | -15.63% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 2.73M | 2.92% | - |
| ACATIS Datini Valueflex Fonds A | 2.00M | 2.14% | - |
| Selectra J. Lamarck Biotech A | 1.65M | 1.77% | - |
| abrdn Life Sciences Investors | 1.39M | 1.49% | - |
| Vanguard Institutional Extnd Mkt Idx Tr | 925.03K | 0.99% | - |
| Fidelity Small Cap Index | 843.92K | 0.91% | - |
| JPMorgan US Small Company L | 786.21K | 0.87% | -22.84K |
| iShares Russell 2000 Value ETF | 762.12K | 0.82% | - |
| Candriam Global Equities Oncology | 625.00K | 0.69% | -520.00K |
| iShares Biotechnology ETF | 611.79K | 0.65% | 33.94K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Feb 25, 2026 | Kelly Timothy P | Chief Technology Officer | Sell | $12.02K |
| Feb 24, 2026 | Kelly Timothy P | Chief Technology Officer | Sell | $6.17K |
| Feb 24, 2026 | MCCLUNG BARBARA G | Chief Legal Officer | Sell | $13.60K |
| Feb 24, 2026 | Khan Ruhi Ahmad | Chief Business Officer | Sell | $13.60K |
| Feb 24, 2026 | Albertson Tina M. | Chief Medical Officer | Sell | $2.09K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q1 | - | 5 |
| 2025 Q1 | 2 | 3 |
| 2024 Q4 | - | - |
| 2024 Q3 | - | - |
| 2024 Q1 | - | - |
CRBU Ownership FAQ
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