CAMBRIDGE, MA
CULLINAN THERAPEUTICS, INC.CGEM— Latest position per institution from SEC 13F filings
15
Institutional holders
68.03M
Total shares held
1.09B
Estimated value
3.40M
Avg. position size
MPM BIOIMPACT LLC
CIK 1687078
Shares
9.73M
Value
177.21M
Filed
Jun 30, 2026
LYNX1 CAPITAL MANAGEMENT LP
CIK 1910456
Shares
8.96M
Value
163.23M
Filed
Jun 30, 2026
BVF INC/IL
CIK 1056807
Shares
5.75M
Value
104.72M
Filed
Jun 30, 2026
BLACKROCK, INC.
CIK 2012383
Shares
5.23M
Value
95.29M
Filed
Jun 30, 2026
PRICE T ROWE ASSOCIATES INC /MD/
CIK 80255
Shares
3.83M
Value
69.67K
Filed
Jun 30, 2026
STATE STREET CORP
CIK 93751
Shares
3.67M
Value
66.81M
Filed
Jun 30, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
3.55M
Value
61.92M
Filed
Jun 30, 2024
CHI ADVISORS LLC
CIK 1791468
Shares
3.41M
Value
30.90M
Filed
Sep 30, 2023
VANGUARD GROUP INC
CIK 102909
Shares
3.30M
Value
34.14M
Filed
Dec 31, 2025
KYNAM CAPITAL MANAGEMENT, LP
CIK 1907884
Shares
3.11M
Value
56.71M
Filed
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
2.61M
Value
47.60M
Filed
Jun 30, 2026
RTW INVESTMENTS, LP
CIK 1493215
Shares
2.36M
Value
43.05M
Filed
Jun 30, 2026
PARADIGM BIOCAPITAL ADVISORS LP
CIK 1855655
Shares
2.32M
Value
38.85M
Filed
Sep 30, 2024
SIREN, L.L.C.
CIK 2005245
Shares
1.89M
Value
34.48M
Filed
Jun 30, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
1.55M
Value
28.18M
Filed
Jun 30, 2026
BLUE OWL CAPITAL HOLDINGS LP
CIK 1858703
Shares
1.54M
Value
28.04M
Filed
Jun 30, 2026
HOLOCENE ADVISORS, LP
CIK 1700574
Shares
1.53M
Value
25.67M
Filed
Sep 30, 2024
VENROCK ADVISER, LLC
CIK 1615982
Shares
1.38M
Value
25.13M
Filed
Jun 30, 2026
NEXTECH INVEST LTD.
CIK 1595430
Shares
1.14M
Value
16.22M
Filed
Mar 31, 2026
NEXTECH INVEST LTD.
CIK 1911010
Shares
1.14M
Value
13.90M
Filed
Dec 31, 2024
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | MPM BIOIMPACT LLC | 1687078 | 9.73M | 177.21M | Jun 30, 2026 |
| 2 | LYNX1 CAPITAL MANAGEMENT LP | 1910456 | 8.96M | 163.23M | Jun 30, 2026 |
| 3 | BVF INC/IL | 1056807 | 5.75M | 104.72M | Jun 30, 2026 |
| 4 | BLACKROCK, INC. | 2012383 | 5.23M | 95.29M | Jun 30, 2026 |
| 5 | PRICE T ROWE ASSOCIATES INC /MD/ | 80255 | 3.83M | 69.67K | Jun 30, 2026 |
| 6 | STATE STREET CORP | 93751 | 3.67M | 66.81M | Jun 30, 2026 |
| 7 | BLACKROCK FINANCE, INC. | 1364742 | 3.55M | 61.92M | Jun 30, 2024 |
| 8 | CHI ADVISORS LLC | 1791468 | 3.41M | 30.90M | Sep 30, 2023 |
| 9 | VANGUARD GROUP INC | 102909 | 3.30M | 34.14M | Dec 31, 2025 |
| 10 | KYNAM CAPITAL MANAGEMENT, LP | 1907884 | 3.11M | 56.71M | Jun 30, 2026 |
| 11 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 2.61M | 47.60M | Jun 30, 2026 |
| 12 | RTW INVESTMENTS, LP | 1493215 | 2.36M | 43.05M | Jun 30, 2026 |
| 13 | PARADIGM BIOCAPITAL ADVISORS LP | 1855655 | 2.32M | 38.85M | Sep 30, 2024 |
| 14 | SIREN, L.L.C. | 2005245 | 1.89M | 34.48M | Jun 30, 2026 |
| 15 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 1.55M | 28.18M | Jun 30, 2026 |
| 16 | BLUE OWL CAPITAL HOLDINGS LP | 1858703 | 1.54M | 28.04M | Jun 30, 2026 |
| 17 | HOLOCENE ADVISORS, LP | 1700574 | 1.53M | 25.67M | Sep 30, 2024 |
| 18 | VENROCK ADVISER, LLC | 1615982 | 1.38M | 25.13M | Jun 30, 2026 |
| 19 | NEXTECH INVEST LTD. | 1595430 | 1.14M | 16.22M | Mar 31, 2026 |
| 20 | NEXTECH INVEST LTD. | 1911010 | 1.14M | 13.90M | Dec 31, 2024 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.