| 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 30 Sep 2025, 115 institutional investors reported holding 37,024,074 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 35% 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% | 2.5% | $10,928,704 |
| VANGUARD GROUP INC | 4.6% | 4,226,926 | +3.4% | 0% | $9,848,737 |
| MILLENNIUM MANAGEMENT LLC | 3.5% | 3,216,535 | +107% | 0.01% | $7,494,527 |
| Kynam Capital Management, LP | 3.3% | 3,067,774 | 0% | 0.53% | $7,147,913 |
| BlackRock, Inc. | 1.6% | 1,459,320 | -23% | 0% | $3,400,215 |
| Aberdeen Group plc | 1.5% | 1,388,905 | +55% | 0.01% | $3,236,149 |
| PFM Health Sciences, LP | 1.5% | 1,358,831 | 0% | 0.27% | $3,166,076 |
| TWO SIGMA ADVISERS, LP | 1.3% | 1,227,400 | -15% | 0.01% | $2,859,842 |
| DIMENSIONAL FUND ADVISORS LP | 1.3% | 1,210,310 | -7.4% | 0% | $2,819,859 |
| BANK OF AMERICA CORP /DE/ | 1.2% | 1,074,442 | +33% | 0% | $2,503,450 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.1% | 985,126 | +0.43% | 0% | $2,296,349 |
| TWO SIGMA INVESTMENTS, LP | 0.85% | 783,590 | -16% | 0% | $1,825,765 |
| RENAISSANCE TECHNOLOGIES LLC | 0.85% | 780,421 | +47% | 0% | $1,818,381 |
| Pale Fire Capital SE | 0.84% | 775,055 | 0% | 0.2% | $1,805,878 |
| FMR LLC | 0.79% | 729,002 | -0.06% | 0% | $1,698,574 |
| MAVERICK CAPITAL LTD | 0.71% | 652,542 | 0% | 0.02% | $1,520,423 |
| Cambridge Investment Research Advisors, Inc. | 0.63% | 582,387 | -0.35% | 0% | $1,357,000 |
| ROYAL BANK OF CANADA | 0.62% | 573,993 | -4.2% | 0% | $1,337,000 |
| Schonfeld Strategic Advisors LLC | 0.61% | 558,576 | -75% | 0.01% | $1,301,480 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.61% | 558,474 | +5.5% | 0% | $1,301,244 |
| JANE STREET GROUP, LLC | 0.52% | 479,438 | -0.86% | 0% | $1,117,091 |
| 72 Investment Holdings, LLC | 0.51% | 474,067 | 0% | 1.6% | $1,104,576 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 0.48% | 445,607 | +68% | 0% | $1,038,264 |
| XTX Topco Ltd | 0.48% | 441,541 | +320% | 0.05% | $1,028,791 |
| STATE STREET CORP | 0.42% | 386,263 | +7.8% | 0% | $899,993 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 1,847,464 | $2,937,467 | +$17,013 | $1.59 | 10 |
| 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 |