CRBU Institutional Ownership & Shareholders
CARIBOU BIOSCIENCES INC (CRBU) is currently held by 140 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $82.81M based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of CRBU tracked by InsiderSet, reporting ownership valued at approximately $13.76M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $3.44M, representing an estimated loss of -75.01% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 68% of the total disclosed CRBU value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Pfizer Inc, Vanguard Capital Management Llc, and several other long-term asset managers with concentrated positions in CARIBOU BIOSCIENCES INC (CRBU).
This page ranks the largest institutional CRBU shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
140
Total Reported Value
$82.81M
Largest Holder
Blackrock, Inc.
Largest Position
$13.76M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
150
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.00% | 7,815,843 | $13,755,883 | $3,438,189 | -$10,317,694 | -75.01% | |
| Pfizer Inc | 4.63% | 4,690,431 | $7,879,924 | $2,063,321 | -$5,816,603 | -73.82% | |
| Vanguard Capital Management Llc | 0.00% | 4,208,568 | $7,407,080 | $1,851,349 | -$5,555,731 | -75.01% | |
| Mackenzie Financial Corp | 0.01% | 4,071,819 | $5,171,210 | $1,791,193 | -$3,380,017 | -65.36% | |
| Renaissance Technologies LLC | Jim Simons | 0.01% | 2,773,545 | $4,881,439 | $1,220,082 | -$3,661,357 | -75.01% |
| Kynam Capital Management, Lp | 0.24% | 2,503,302 | $4,405,812 | $1,101,203 | -$3,304,609 | -75.01% | |
| Geode Capital Management, Llc | 0.00% | 2,374,894 | $4,180,624 | $1,044,716 | -$3,135,908 | -75.01% | |
| Acadian Asset Management Llc | 0.00% | 1,774,474 | $3,118,000 | $780,591 | -$2,337,409 | -74.97% | |
| State Street Corp | 0.00% | 1,632,914 | $2,873,929 | $718,319 | -$2,155,610 | -75.01% | |
| Bank Of America Corp | 0.00% | 1,410,958 | $2,483,287 | $620,680 | -$1,862,607 | -75.01% | |
| Two Sigma Investments, Lp | 0.00% | 1,046,279 | $1,841,451 | $460,258 | -$1,381,193 | -75.01% | |
| Dimensional Fund Advisors Lp | 0.00% | 975,327 | $1,716,629 | $429,046 | -$1,287,583 | -75.01% | |
| Charles Schwab Investment Management Inc | 0.00% | 775,809 | $1,365,424 | $341,278 | -$1,024,146 | -75.01% | |
| Fmr Llc | 0.00% | 727,115 | $1,279,722 | $319,858 | -$959,864 | -75.01% | |
| Northern Trust Corp | 0.00% | 712,965 | $1,254,819 | $313,633 | -$941,186 | -75.01% | |
| Maverick Capital Ltd | 0.01% | 652,542 | $1,148,474 | $287,053 | -$861,421 | -75.01% | |
| Vanguard Portfolio Management Llc | 0.00% | 613,801 | $1,080,290 | $270,011 | -$810,279 | -75.01% | |
| Vanguard Fiduciary Trust Co | 0.00% | 606,388 | $1,067,243 | $266,750 | -$800,493 | -75.01% | |
| Qube Research & Technologies Ltd | 0.00% | 545,755 | $960,529 | $240,078 | -$720,451 | -75.01% | |
| Ubs Group Ag | 0.00% | 517,371 | $910,573 | $227,592 | -$682,981 | -75.01% | |
| 72 Investment Holdings, Llc | 1.67% | 474,067 | $834,358 | $208,542 | -$625,816 | -75.01% | |
| Gsa Capital Partners Llp | 0.05% | 463,416 | $816,000 | $203,857 | -$612,143 | -75.02% | |
| Jacobs Levy Equity Management, Inc | 0.00% | 410,979 | $723,323 | $180,790 | -$542,533 | -75.01% | |
| Green Alpha Advisors, Llc | 0.47% | 551,445 | $700,335 | $242,581 | -$457,754 | -65.36% | |
| Marshall Wace, Llp | 0.00% | 375,686 | $661,205 | $165,264 | -$495,941 | -75.01% | |
| Pfm Health Sciences, Lp | 0.05% | 354,687 | $624,249 | $156,027 | -$468,222 | -75.01% | |
| Goldman Sachs Group Inc | 0.00% | 322,875 | $568,260 | $142,033 | -$426,227 | -75.01% | |
| Invesco Ltd. | 0.00% | 301,117 | $529,966 | $132,461 | -$397,505 | -75.01% | |
| Wells Fargo & Company/Mn | 0.00% | 298,315 | $525,035 | $131,229 | -$393,806 | -75.01% | |
| Xtx Topco Ltd | 0.01% | 269,157 | $473,716 | $118,402 | -$355,314 | -75.01% | |
| Bruce & Co., Inc. | 0.12% | 250,000 | $440,000 | $109,975 | -$330,025 | -75.01% | |
| Man Group Plc | 0.00% | 240,066 | $422,516 | $105,605 | -$316,911 | -75.01% | |
| Bank Of New York Mellon Corp | 0.00% | 222,560 | $391,706 | $97,904 | -$293,802 | -75.01% | |
| Mirae Asset Global Etfs Holdings Ltd. | 0.00% | 173,375 | $305,140 | $76,268 | -$228,872 | -75.01% | |
| Susquehanna International Group, Llp | 0.00% | 165,414 | $291,129 | $72,766 | -$218,363 | -75.01% | |
| Susquehanna Portfolio Strategies, Llc | 0.00% | 158,597 | $279,131 | $69,767 | -$209,364 | -75.01% | |
| Graham Capital Management, L.P. | 0.01% | 155,914 | $274,409 | $68,587 | -$205,822 | -75.01% | |
| Milestone Asset Management, Llc | 0.04% | 202,703 | $257,433 | $89,169 | -$168,264 | -65.36% | |
| American Century Companies Inc | 0.00% | 140,580 | $247,421 | $61,841 | -$185,580 | -75.01% | |
| Bridgeway Capital Management, Llc | 0.00% | 132,000 | $232,320 | $58,067 | -$174,253 | -75.01% | |
| Nuveen, Llc | 0.00% | 123,516 | $217,388 | $54,335 | -$163,053 | -75.01% | |
| Lpl Financial Llc | 0.00% | 122,774 | $216,082 | $54,008 | -$162,074 | -75.01% | |
| Morgan Stanley | 0.00% | 121,320 | $213,523 | $53,369 | -$160,154 | -75.01% | |
| Nano Cap New Millennium Growth Fund L P | 0.16% | 117,500 | $206,800 | $51,688 | -$155,112 | -75.01% | |
| Deutsche Bank Ag\ | 0.00% | 89,575 | $157,652 | $39,404 | -$118,248 | -75.01% | |
| Quadrature Capital Ltd | 0.00% | 88,979 | $156,603 | $39,142 | -$117,461 | -75.01% | |
| Canada Pension Plan Investment Board | 0.00% | 81,100 | $142,736 | $35,676 | -$107,060 | -75.01% | |
| Keystone Financial Group | 0.01% | 80,825 | $142,252 | $35,555 | -$106,697 | -75.01% | |
| Bnp Paribas Financial Markets | 0.00% | 70,896 | $124,777 | $31,187 | -$93,590 | -75.01% | |
| Prime Capital Investment Advisors, Llc | 0.00% | 95,945 | $121,850 | $42,206 | -$79,644 | -65.36% |
Frequently asked questions about CRBU
Who are the largest institutional holders of CRBU?
The largest institutional holders of CRBU reported in the latest SEC Form 13F filings include Blackrock, Inc., Pfizer Inc, Vanguard Capital Management Llc, Mackenzie Financial Corp, and Renaissance Technologies LLC. InsiderSet ranks institutional holders by their latest reported CRBU position.
What is CRBU institutional ownership?
This page tracks CRBU positions reported by institutional investment managers through SEC Form 13F. CARIBOU BIOSCIENCES INC (CRBU) institutional ownership on InsiderSet reflects disclosed 13F holdings among the managers we analyze, not every shareholder of the stock.
How many institutions own CRBU?
InsiderSet currently tracks 140 institutional managers reporting CRBU holdings in the latest available 13F data. This count reflects institutions included in the SEC Form 13F filings analyzed by InsiderSet and should not be interpreted as the total number of CRBU shareholders.
How much CRBU stock do institutions own?
Institutional investment managers disclosed approximately $82.81M in CRBU holdings for Q2 2026. This figure is reported 13F value as of the filing period, not necessarily today's market value.
When was CRBU institutional ownership last updated?
The latest CRBU institutional ownership data on InsiderSet is based on SEC Form 13F filings for the quarter ended June 30, 2026. Form 13F filings are generally reported after the quarter ends, so the holdings shown represent the latest publicly disclosed positions rather than real-time institutional holdings.
Are institutional CRBU holdings real-time?
No. Form 13F data is not real-time. It represents positions reported by institutional investment managers as of the end of the reporting quarter. An institution may have changed its CRBU position after the reporting date.
Are institutions buying or selling CRBU?
Institutional buying and selling can be analyzed by comparing CRBU positions across consecutive 13F reporting periods. InsiderSet's CRBU Ownership Changes page shows institutions that increased, reduced, initiated, or exited positions based on reported 13F holdings. View CRBU ownership changes.
How has CRBU institutional ownership changed over time?
InsiderSet tracks CRBU institutional holdings across multiple 13F reporting periods, allowing investors to compare institutional holder counts, reported value, and reported shares over time.