Caribou Biosciences
CRBU · NASDAQ
$0.519+$0.055 (+11.85%)TodayMarket closed ·
Prev close $0.464
Who owns CRBU
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 34.9% of CRBU’s shares.
- BlackRock Institutional Trust Company, N.A.7.2%
- Pfizer Inc.4.7%
- Vanguard Capital Management, LLC4.2%
- Mackenzie Financial Corporation3.7%
- Next 6 largest institutions15.1%
- All other shareholders65.1%
| Holder | Shares | % of shares |
|---|---|---|
| BlackRock Institutional Trust Company, N.A. | 7.18M | 7.23% |
| Pfizer Inc. | 4.69M | 4.73% |
| Vanguard Capital Management, LLC | 4.21M | 4.24% |
| Mackenzie Financial Corporation | 3.65M | 3.68% |
| Haurwitz (Rachel E. Ph.D.) | 3.50M | 3.53% |
| Renaissance Technologies LLC | 2.77M | 2.80% |
| Kynam Capital Management LP | 2.50M | 2.52% |
| Geode Capital Management, L.L.C. | 2.37M | 2.39% |
| ACATIS Investment Kapitalverwaltungsgesellschaft GmbH | 2.00M | 2.02% |
| Acadian Asset Management LLC | 1.77M | 1.79% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Vanguard Total Stock Market Index Fund | 3.01M | 3.04% |
| iShares Russell 2000 ETF | 2.28M | 2.30% |
| Acatis - Datini Valueflex Fonds | 2.00M | 2.02% |
| Selectra Investments - J. Lamarck Biotech | 1.46M | 1.47% |
| abrdn Life Sciences Investors | 1.21M | 1.22% |
Short interest
Settled Sep 30, 2026
- Shares short
- 12.91M
- Days to cover
- 13.09
- % of shares outstanding
- 13.02%
- Average daily volume
- 986.41K
- Change since last report
- −0.5%
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