| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Haurwitz Rachel E. | 5% | $4,008,603 | 4,716,003 | Rachel E. Haurwitz | 22 Apr 2025 | |||
| VANGUARD GROUP INC | 4.9% | $3,843,727 | 4,522,032 | The Vanguard Group | 31 Mar 2025 | |||
| BANK OF AMERICA CORP /DE/ | 2.2% | $1,658,405 | 1,951,065 | BANK OF AMERICA CORP /DE/ | 31 Dec 2024 | |||
| BlackRock, Inc. | 2% | -69% | $2,323,180 | -$5,591,740 | 1,843,794 | -71% | BlackRock, Inc. | 30 Jun 2025 |
As of 31 Dec 2025, 120 institutional investors reported holding 36,968,756 shares of Caribou Biosciences, Inc. - Common Stock (CRBU). This represents 40% of the company’s total 92,189,700 outstanding shares.
The largest institutional shareholders of Caribou Biosciences, Inc. - Common Stock (CRBU) together control 34% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| Pfizer Inc | 5.1% | 4,690,431 | 0% | 3.2% | $7,457,785 |
| VANGUARD GROUP INC | 4.7% | 4,304,198 | +1.8% | 0% | $6,843,676 |
| Kynam Capital Management, LP | 2.7% | 2,503,302 | -18% | 0.26% | $3,980,250 |
| BlackRock, Inc. | 2.3% | 2,141,023 | +47% | 0% | $3,404,227 |
| RENAISSANCE TECHNOLOGIES LLC | 1.8% | 1,639,857 | +110% | 0% | $2,607,373 |
| Aberdeen Group plc | 1.5% | 1,388,905 | 0% | 0% | $2,208,359 |
| TWO SIGMA ADVISERS, LP | 1.2% | 1,115,700 | -9.1% | 0% | $1,773,963 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1.1% | 1,031,375 | +131% | 0% | $1,639,887 |
| TWO SIGMA INVESTMENTS, LP | 1.1% | 1,020,079 | +30% | 0% | $1,621,926 |
| DIMENSIONAL FUND ADVISORS LP | 1.1% | 1,006,010 | -17% | 0% | $1,599,556 |
| BANK OF AMERICA CORP /DE/ | 1.1% | 993,186 | -7.6% | 0% | $1,579,166 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.1% | 976,813 | -0.84% | 0% | $1,553,785 |
| PFM Health Sciences, LP | 1% | 957,787 | -30% | 0.15% | $1,522,881 |
| MARSHALL WACE, LLP | 0.96% | 881,105 | +600% | 0% | $1,400,957 |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 0.89% | 824,299 | +136% | 0.01% | $1,310,635 |
| MILLENNIUM MANAGEMENT LLC | 0.83% | 767,002 | -76% | 0% | $1,219,533 |
| FMR LLC | 0.79% | 725,968 | -0.42% | 0% | $1,154,289 |
| MAVERICK CAPITAL LTD | 0.71% | 652,542 | 0% | 0.01% | $1,037,542 |
| UBS Group AG | 0.69% | 637,745 | +100% | 0% | $1,014,015 |
| Cambridge Investment Research Advisors, Inc. | 0.63% | 581,793 | -0.1% | 0% | $925,000 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.6% | 555,628 | -0.51% | 0% | $883,449 |
| CITADEL ADVISORS LLC | 0.56% | 515,429 | +94% | 0% | $819,532 |
| GOLDMAN SACHS GROUP INC | 0.53% | 489,138 | +100% | 0% | $777,730 |
| 72 Investment Holdings, LLC | 0.51% | 474,067 | 0% | 1.5% | $753,767 |
| STATE STREET CORP | 0.46% | 423,263 | +9.6% | 0% | $672,988 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 36,968,756 | $58,779,851 | -$1,171,712 | $1.59 | 120 |
| 2025 Q3 | 37,024,074 | $86,267,579 | -$6,935,234 | $2.33 | 115 |
| 2025 Q2 | 40,657,539 | $51,233,181 | -$11,182,668 | $1.26 | 128 |
| 2025 Q1 | 50,124,474 | $45,767,240 | -$8,735,404 | $0.91 | 127 |
| 2024 Q4 | 58,137,691 | $92,442,260 | +$1,344,135 | $1.59 | 130 |
| 2024 Q3 | 52,230,454 | $102,372,092 | -$1,215,533 | $1.96 | 124 |
| 2024 Q2 | 53,030,028 | $86,964,603 | -$69,072,988 | $1.64 | 136 |
| 2024 Q1 | 66,748,618 | $342,979,667 | -$13,445,660 | $5.14 | 149 |
| 2023 Q4 | 69,081,626 | $395,824,161 | -$5,845,565 | $5.73 | 143 |
| 2023 Q3 | 70,779,287 | $338,477,161 | +$132,380,976 | $4.78 | 126 |
| 2023 Q2 | 43,715,651 | $185,309,815 | -$6,639,016 | $4.25 | 117 |
| 2023 Q1 | 44,984,864 | $238,314,447 | +$6,834,942 | $5.31 | 126 |
| 2022 Q4 | 43,609,398 | $273,911,420 | -$3,252,217 | $6.28 | 132 |
| 2022 Q3 | 43,252,045 | $456,982,599 | +$65,340,908 | $10.55 | 114 |
| 2022 Q2 | 37,333,019 | $202,972,596 | +$14,914,954 | $5.43 | 116 |
| 2022 Q1 | 34,952,083 | $321,058,661 | +$23,111,728 | $9.18 | 103 |
| 2021 Q4 | 30,588,325 | $457,556,044 | -$490,819 | $15.09 | 90 |
| 2021 Q3 | 29,587,281 | $693,431,752 | +$646,473,752 | $23.87 | 86 |