WALTHAM, MA
COGENT BIOSCIENCES, INC.COGT— Latest position per institution from SEC 13F filings
15
Institutional holders
145.65M
Total shares held
4.80B
Estimated value
7.28M
Avg. position size
FMR LLC
CIK 315066
Shares
25.68M
Value
993.86M
Filed
Jun 30, 2026
BLACKROCK, INC.
CIK 2012383
Shares
17.35M
Value
671.55M
Filed
Jun 30, 2026
VANGUARD GROUP INC
CIK 102909
Shares
11.51M
Value
408.99M
Filed
Dec 31, 2025
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
8.07M
Value
312.40M
Filed
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
7.41M
Value
286.86M
Filed
Jun 30, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
7.29M
Value
61.44M
Filed
Jun 30, 2024
STATE STREET CORP
CIK 93751
Shares
6.96M
Value
269.54M
Filed
Jun 30, 2026
JUPITER TOPCO LLC
CIK 2146052
Shares
6.62M
Value
256.42M
Filed
Jun 30, 2026
RA CAPITAL MANAGEMENT, L.P.
CIK 1346824
Shares
6.42M
Value
62.56M
Filed
Sep 30, 2023
JANUS HENDERSON GROUP LTD.
CIK 1274173
Shares
5.97M
Value
229.63M
Filed
Mar 31, 2026
FAIRMOUNT FUNDS MANAGEMENT LLC
CIK 1802528
Shares
5.50M
Value
212.98M
Filed
Jun 30, 2026
DEERFIELD MANAGEMENT COMPANY, L.P.
CIK 1009258
Shares
5.01M
Value
193.74M
Filed
Jun 30, 2026
TCG CROSSOVER MANAGEMENT, LLC
CIK 1839948
Shares
4.85M
Value
187.87M
Filed
Jun 30, 2026
PRICE T ROWE ASSOCIATES INC /MD/
CIK 80255
Shares
4.65M
Value
180.06K
Filed
Jun 30, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
4.51M
Value
174.53M
Filed
Jun 30, 2026
WELLINGTON MANAGEMENT GROUP LLP
CIK 902219
Shares
4.34M
Value
168.11M
Filed
Jun 30, 2026
KYNAM CAPITAL MANAGEMENT, LP
CIK 1907884
Shares
3.67M
Value
141.92M
Filed
Jun 30, 2026
LORD, ABBETT & CO. LLC
CIK 728100
Shares
3.43M
Value
132.78K
Filed
Jun 30, 2026
POLAR CAPITAL HOLDINGS PLC
CIK 1837309
Shares
3.23M
Value
125.11M
Filed
Jun 30, 2026
PARADIGM BIOCAPITAL ADVISORS LP
CIK 1855655
Shares
3.16M
Value
45.33M
Filed
Sep 30, 2025
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | FMR LLC | 315066 | 25.68M | 993.86M | Jun 30, 2026 |
| 2 | BLACKROCK, INC. | 2012383 | 17.35M | 671.55M | Jun 30, 2026 |
| 3 | VANGUARD GROUP INC | 102909 | 11.51M | 408.99M | Dec 31, 2025 |
| 4 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 8.07M | 312.40M | Jun 30, 2026 |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 7.41M | 286.86M | Jun 30, 2026 |
| 6 | BLACKROCK FINANCE, INC. | 1364742 | 7.29M | 61.44M | Jun 30, 2024 |
| 7 | STATE STREET CORP | 93751 | 6.96M | 269.54M | Jun 30, 2026 |
| 8 | JUPITER TOPCO LLC | 2146052 | 6.62M | 256.42M | Jun 30, 2026 |
| 9 | RA CAPITAL MANAGEMENT, L.P. | 1346824 | 6.42M | 62.56M | Sep 30, 2023 |
| 10 | JANUS HENDERSON GROUP LTD. | 1274173 | 5.97M | 229.63M | Mar 31, 2026 |
| 11 | FAIRMOUNT FUNDS MANAGEMENT LLC | 1802528 | 5.50M | 212.98M | Jun 30, 2026 |
| 12 | DEERFIELD MANAGEMENT COMPANY, L.P. | 1009258 | 5.01M | 193.74M | Jun 30, 2026 |
| 13 | TCG CROSSOVER MANAGEMENT, LLC | 1839948 | 4.85M | 187.87M | Jun 30, 2026 |
| 14 | PRICE T ROWE ASSOCIATES INC /MD/ | 80255 | 4.65M | 180.06K | Jun 30, 2026 |
| 15 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 4.51M | 174.53M | Jun 30, 2026 |
| 16 | WELLINGTON MANAGEMENT GROUP LLP | 902219 | 4.34M | 168.11M | Jun 30, 2026 |
| 17 | KYNAM CAPITAL MANAGEMENT, LP | 1907884 | 3.67M | 141.92M | Jun 30, 2026 |
| 18 | LORD, ABBETT & CO. LLC | 728100 | 3.43M | 132.78K | Jun 30, 2026 |
| 19 | POLAR CAPITAL HOLDINGS PLC | 1837309 | 3.23M | 125.11M | Jun 30, 2026 |
| 20 | PARADIGM BIOCAPITAL ADVISORS LP | 1855655 | 3.16M | 45.33M | Sep 30, 2025 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.