BERKELEY, CA
CARIBOU BIOSCIENCES, INC.CRBU— Latest position per institution from SEC 13F filings
15
Institutional holders
63.47M
Total shares held
157.88M
Estimated value
3.17M
Avg. position size
BLACKROCK, INC.
CIK 2012383
Shares
7.82M
Value
13.76M
Filed
Jun 30, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
6.95M
Value
11.39M
Filed
Jun 30, 2024
AVIDITY PARTNERS MANAGEMENT LP
CIK 1791827
Shares
5.79M
Value
29.74M
Filed
Mar 31, 2024
PFIZER INC
CIK 78003
Shares
4.69M
Value
7.88M
Filed
Jun 30, 2026
VANGUARD GROUP INC
CIK 102909
Shares
4.30M
Value
6.84M
Filed
Dec 31, 2025
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
4.21M
Value
7.41M
Filed
Jun 30, 2026
MACKENZIE FINANCIAL CORP
CIK 919859
Shares
3.65M
Value
6.43M
Filed
Jun 30, 2026
DEERFIELD MANAGEMENT COMPANY, L.P.
CIK 1009258
Shares
3.50M
Value
16.73M
Filed
Sep 30, 2023
RENAISSANCE TECHNOLOGIES LLC
CIK 1037389
Shares
2.77M
Value
4.88M
Filed
Jun 30, 2026
ALKEON CAPITAL MANAGEMENT LLC
CIK 1230239
Shares
2.74M
Value
14.10M
Filed
Mar 31, 2024
KYNAM CAPITAL MANAGEMENT, LP
CIK 1907884
Shares
2.50M
Value
4.41M
Filed
Jun 30, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
2.37M
Value
4.18M
Filed
Jun 30, 2026
PARADIGM BIOCAPITAL ADVISORS LP
CIK 1855655
Shares
2.17M
Value
11.17M
Filed
Mar 31, 2024
PICTET ASSET MANAGEMENT SA
CIK 1361570
Shares
1.81M
Value
7.69M
Filed
Jun 30, 2023
ACADIAN ASSET MANAGEMENT LLC
CIK 916542
Shares
1.77M
Value
3.12K
Filed
Jun 30, 2026
STATE STREET CORP
CIK 93751
Shares
1.63M
Value
2.87M
Filed
Jun 30, 2026
BANK OF AMERICA CORP /DE/
CIK 70858
Shares
1.41M
Value
2.48M
Filed
Jun 30, 2026
ABERDEEN GROUP PLC
CIK 1716774
Shares
1.21M
Value
2.30M
Filed
Mar 31, 2026
TWO SIGMA ADVISERS, LP
CIK 1478735
Shares
1.12M
Value
1.77M
Filed
Dec 31, 2025
TWO SIGMA INVESTMENTS, LP
CIK 1179392
Shares
1.05M
Value
1.84M
Filed
Jun 30, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BLACKROCK, INC. | 2012383 | 7.82M | 13.76M | Jun 30, 2026 |
| 2 | BLACKROCK FINANCE, INC. | 1364742 | 6.95M | 11.39M | Jun 30, 2024 |
| 3 | AVIDITY PARTNERS MANAGEMENT LP | 1791827 | 5.79M | 29.74M | Mar 31, 2024 |
| 4 | PFIZER INC | 78003 | 4.69M | 7.88M | Jun 30, 2026 |
| 5 | VANGUARD GROUP INC | 102909 | 4.30M | 6.84M | Dec 31, 2025 |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 4.21M | 7.41M | Jun 30, 2026 |
| 7 | MACKENZIE FINANCIAL CORP | 919859 | 3.65M | 6.43M | Jun 30, 2026 |
| 8 | DEERFIELD MANAGEMENT COMPANY, L.P. | 1009258 | 3.50M | 16.73M | Sep 30, 2023 |
| 9 | RENAISSANCE TECHNOLOGIES LLC | 1037389 | 2.77M | 4.88M | Jun 30, 2026 |
| 10 | ALKEON CAPITAL MANAGEMENT LLC | 1230239 | 2.74M | 14.10M | Mar 31, 2024 |
| 11 | KYNAM CAPITAL MANAGEMENT, LP | 1907884 | 2.50M | 4.41M | Jun 30, 2026 |
| 12 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 2.37M | 4.18M | Jun 30, 2026 |
| 13 | PARADIGM BIOCAPITAL ADVISORS LP | 1855655 | 2.17M | 11.17M | Mar 31, 2024 |
| 14 | PICTET ASSET MANAGEMENT SA | 1361570 | 1.81M | 7.69M | Jun 30, 2023 |
| 15 | ACADIAN ASSET MANAGEMENT LLC | 916542 | 1.77M | 3.12K | Jun 30, 2026 |
| 16 | STATE STREET CORP | 93751 | 1.63M | 2.87M | Jun 30, 2026 |
| 17 | BANK OF AMERICA CORP /DE/ | 70858 | 1.41M | 2.48M | Jun 30, 2026 |
| 18 | ABERDEEN GROUP PLC | 1716774 | 1.21M | 2.30M | Mar 31, 2026 |
| 19 | TWO SIGMA ADVISERS, LP | 1478735 | 1.12M | 1.77M | Dec 31, 2025 |
| 20 | TWO SIGMA INVESTMENTS, LP | 1179392 | 1.05M | 1.84M | Jun 30, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.