CAMBRIDGE, MA
CULLINAN THERAPEUTICS, INC.CGEM— Latest position per institution from SEC 13F filings
15
Institutional holders
61.22M
Total shares held
820.21M
Estimated value
3.06M
Avg. position size
LYNX1 CAPITAL MANAGEMENT LP
CIK 1910456
Shares
8.96M
Value
127.37M
Filed
Mar 31, 2026
MPM BIOIMPACT LLC
CIK 1687078
Shares
7.65M
Value
108.68M
Filed
Mar 31, 2026
BVF INC/IL
CIK 1056807
Shares
5.75M
Value
81.72M
Filed
Mar 31, 2026
BLACKROCK, INC.
CIK 2012383
Shares
4.45M
Value
63.23M
Filed
Mar 31, 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
44.25M
Filed
Mar 31, 2026
STATE STREET CORP
CIK 93751
Shares
2.54M
Value
36.15M
Filed
Mar 31, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
2.48M
Value
35.28M
Filed
Mar 31, 2026
PARADIGM BIOCAPITAL ADVISORS LP
CIK 1855655
Shares
2.32M
Value
38.85M
Filed
Sep 30, 2024
PRICE T ROWE ASSOCIATES INC /MD/
CIK 80255
Shares
2.03M
Value
28.84K
Filed
Mar 31, 2026
BLUE OWL CAPITAL HOLDINGS LP
CIK 1858703
Shares
1.91M
Value
27.14M
Filed
Mar 31, 2026
RTW INVESTMENTS, LP
CIK 1493215
Shares
1.71M
Value
24.24M
Filed
Mar 31, 2026
HOLOCENE ADVISORS, LP
CIK 1700574
Shares
1.53M
Value
25.67M
Filed
Sep 30, 2024
FRANKLIN RESOURCES INC
CIK 38777
Shares
1.42M
Value
8.40M
Filed
Sep 30, 2025
VENROCK ADVISER, LLC
CIK 1615982
Shares
1.38M
Value
19.61M
Filed
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
1.37M
Value
19.45M
Filed
Mar 31, 2026
SIREN, L.L.C.
CIK 2005245
Shares
1.19M
Value
16.96M
Filed
Mar 31, 2026
NEXTECH INVEST, LTD.
CIK 1595430
Shares
1.14M
Value
16.22M
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | LYNX1 CAPITAL MANAGEMENT LP | 1910456 | 8.96M | 127.37M | Mar 31, 2026 |
| 2 | MPM BIOIMPACT LLC | 1687078 | 7.65M | 108.68M | Mar 31, 2026 |
| 3 | BVF INC/IL | 1056807 | 5.75M | 81.72M | Mar 31, 2026 |
| 4 | BLACKROCK, INC. | 2012383 | 4.45M | 63.23M | Mar 31, 2026 |
| 5 | BLACKROCK FINANCE, INC. | 1364742 | 3.55M | 61.92M | Jun 30, 2024 |
| 6 | CHI ADVISORS LLC | 1791468 | 3.41M | 30.90M | Sep 30, 2023 |
| 7 | VANGUARD GROUP INC | 102909 | 3.30M | 34.14M | Dec 31, 2025 |
| 8 | KYNAM CAPITAL MANAGEMENT, LP | 1907884 | 3.11M | 44.25M | Mar 31, 2026 |
| 9 | STATE STREET CORP | 93751 | 2.54M | 36.15M | Mar 31, 2026 |
| 10 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 2.48M | 35.28M | Mar 31, 2026 |
| 11 | PARADIGM BIOCAPITAL ADVISORS LP | 1855655 | 2.32M | 38.85M | Sep 30, 2024 |
| 12 | PRICE T ROWE ASSOCIATES INC /MD/ | 80255 | 2.03M | 28.84K | Mar 31, 2026 |
| 13 | BLUE OWL CAPITAL HOLDINGS LP | 1858703 | 1.91M | 27.14M | Mar 31, 2026 |
| 14 | RTW INVESTMENTS, LP | 1493215 | 1.71M | 24.24M | Mar 31, 2026 |
| 15 | HOLOCENE ADVISORS, LP | 1700574 | 1.53M | 25.67M | Sep 30, 2024 |
| 16 | FRANKLIN RESOURCES INC | 38777 | 1.42M | 8.40M | Sep 30, 2025 |
| 17 | VENROCK ADVISER, LLC | 1615982 | 1.38M | 19.61M | Mar 31, 2026 |
| 18 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 1.37M | 19.45M | Mar 31, 2026 |
| 19 | SIREN, L.L.C. | 2005245 | 1.19M | 16.96M | Mar 31, 2026 |
| 20 | NEXTECH INVEST, LTD. | 1595430 | 1.14M | 16.22M | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.