Who owns Caribou Biosciences, Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of CRBU from SEC Form 13F filings across 136 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 136 institutions disclosed 48.4M shares of Caribou Biosciences, Inc. worth $84.8M — about 47.9% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
136
13F holders
$84.8M
value, 2026 filers
47.9%
of shares outstanding (48.4M sh)
26
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of CRBU's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 7.8M | $13.8M | 0.0% | 7.7% | +264.7% |
| 2 | Pfizer Inc | 4.7M | $7.9M | 4.6% | 4.6% | 0.0% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 4.2M | $7.4M | 0.0% | 4.2% | +11.7% |
| 4 | MACKENZIE FINANCIAL CORP | 3.7M | $6.4M | 0.0% | 3.6% | +287.2% |
| 5 | RENAISSANCE TECHNOLOGIES LLC | 2.8M | $4.9M | 0.0% | 2.7% | +7.1% |
| 6 | Kynam Capital Management, LP | 2.5M | $4.4M | 0.2% | 2.5% | 0.0% |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | 2.4M | $4.2M | 0.0% | 2.4% | +133.3% |
| 8 | ACADIAN ASSET MANAGEMENT LLC | 1.8M | $3.1M | 0.0% | 1.8% | +91.8% |
| 9 | STATE STREET CORP | 1.6M | $2.9M | 0.0% | 1.6% | +285.8% |
| 10 | BANK OF AMERICA CORP /DE/ | 1.4M | $2.5M | 0.0% | 1.4% | +8.8% |
| 11 | TWO SIGMA INVESTMENTS, LP | 1.0M | $1.8M | 0.0% | 1% | -40.6% |
| 12 | DIMENSIONAL FUND ADVISORS LP | 975,327 | $1.7M | 0.0% | 1% | +44.9% |
| 13 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 775,809 | $1.4M | 0.0% | 0.8% | +38.6% |
| 14 | FMR LLC | 727,115 | $1.3M | 0.0% | 0.7% | +0.4% |
| 15 | NORTHERN TRUST CORP | 712,965 | $1.3M | 0.0% | 0.7% | +227.4% |
| 16 | MAVERICK CAPITAL LTD | 652,542 | $1.1M | 0.0% | 0.6% | 0.0% |
| 17 | VANGUARD PORTFOLIO MANAGEMENT LLCNEW | 613,801 | $1.1M | 0.0% | 0.6% | new |
| 18 | VANGUARD FIDUCIARY TRUST CO | 606,388 | $1.1M | 0.0% | 0.6% | +16.6% |
| 19 | Qube Research & Technologies Ltd | 545,755 | $960,529 | 0.0% | 0.5% | +208.9% |
| 20 | UBS Group AG | 517,371 | $910,573 | 0.0% | 0.5% | +99.6% |
| 21 | 72 Investment Holdings, LLC | 474,067 | $834,358 | 1.7% | 0.5% | 0.0% |
| 22 | GSA CAPITAL PARTNERS LLP | 463,416 | $816,000 | 0.1% | 0.5% | -3.6% |
| 23 | JACOBS LEVY EQUITY MANAGEMENT, INC | 410,979 | $723,323 | 0.0% | 0.4% | +14.5% |
| 24 | Cambridge Investment Research Advisors, Inc. | 382,410 | $673,000 | 0.0% | 0.4% | -30.1% |
| 25 | MARSHALL WACE, LLP | 375,686 | $661,205 | 0.0% | 0.4% | -68.8% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.