WATERTOWN, MA
C4 THERAPEUTICS, INC.CCCC— Latest position per institution from SEC 13F filings
15
Institutional holders
79.17M
Total shares held
229.17M
Estimated value
3.96M
Avg. position size
MORGAN STANLEY
CIK 895421
Shares
9.07M
Value
23.86M
Filed
Mar 31, 2026
RA CAPITAL MANAGEMENT, L.P.
CIK 1346824
Shares
8M
Value
21.04M
Filed
Mar 31, 2026
BAIN CAPITAL LIFE SCIENCES INVESTORS, LLC
CIK 1703031
Shares
7.17M
Value
18.86M
Filed
Mar 31, 2026
LYNX1 CAPITAL MANAGEMENT LP
CIK 1910456
Shares
7M
Value
18.41M
Filed
Mar 31, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
4.55M
Value
21.03M
Filed
Jun 30, 2024
VANGUARD GROUP INC
CIK 102909
Shares
4.38M
Value
8.37M
Filed
Dec 31, 2025
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
3.86M
Value
10.16M
Filed
Mar 31, 2026
SOLEUS CAPITAL MANAGEMENT, L.P.
CIK 1802630
Shares
3.80M
Value
10M
Filed
Mar 31, 2026
COMMODORE CAPITAL LP
CIK 1831942
Shares
3.41M
Value
19.44M
Filed
Sep 30, 2024
TWO SIGMA INVESTMENTS, LP
CIK 1179392
Shares
3.04M
Value
7.98M
Filed
Mar 31, 2026
SAMLYN CAPITAL, LLC
CIK 1421097
Shares
3.02M
Value
4.82M
Filed
Mar 31, 2025
WASATCH ADVISORS LP
CIK 814133
Shares
2.96M
Value
7.79M
Filed
Mar 31, 2026
RTW INVESTMENTS, LP
CIK 1493215
Shares
2.82M
Value
16.63M
Filed
Dec 31, 2022
CITADEL ADVISORS LLC
CIK 1423053
Shares
2.59M
Value
6.81M
Filed
Mar 31, 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 1037389
Shares
2.46M
Value
6.47M
Filed
Mar 31, 2026
GOLDMAN SACHS GROUP INC
CIK 886982
Shares
2.39M
Value
6.28M
Filed
Mar 31, 2026
BANK OF AMERICA CORP /DE/
CIK 70858
Shares
2.36M
Value
6.20M
Filed
Mar 31, 2026
SQUADRON CAPITAL MANAGEMENT LLC
CIK 2050709
Shares
2.25M
Value
5.92M
Filed
Mar 31, 2026
BLACKROCK, INC.
CIK 2012383
Shares
2.05M
Value
5.39M
Filed
Mar 31, 2026
AQUILO CAPITAL MANAGEMENT, LLC
CIK 1591986
Shares
1.99M
Value
3.70M
Filed
Sep 30, 2023
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | MORGAN STANLEY | 895421 | 9.07M | 23.86M | Mar 31, 2026 |
| 2 | RA CAPITAL MANAGEMENT, L.P. | 1346824 | 8M | 21.04M | Mar 31, 2026 |
| 3 | BAIN CAPITAL LIFE SCIENCES INVESTORS, LLC | 1703031 | 7.17M | 18.86M | Mar 31, 2026 |
| 4 | LYNX1 CAPITAL MANAGEMENT LP | 1910456 | 7M | 18.41M | Mar 31, 2026 |
| 5 | BLACKROCK FINANCE, INC. | 1364742 | 4.55M | 21.03M | Jun 30, 2024 |
| 6 | VANGUARD GROUP INC | 102909 | 4.38M | 8.37M | Dec 31, 2025 |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 3.86M | 10.16M | Mar 31, 2026 |
| 8 | SOLEUS CAPITAL MANAGEMENT, L.P. | 1802630 | 3.80M | 10M | Mar 31, 2026 |
| 9 | COMMODORE CAPITAL LP | 1831942 | 3.41M | 19.44M | Sep 30, 2024 |
| 10 | TWO SIGMA INVESTMENTS, LP | 1179392 | 3.04M | 7.98M | Mar 31, 2026 |
| 11 | SAMLYN CAPITAL, LLC | 1421097 | 3.02M | 4.82M | Mar 31, 2025 |
| 12 | WASATCH ADVISORS LP | 814133 | 2.96M | 7.79M | Mar 31, 2026 |
| 13 | RTW INVESTMENTS, LP | 1493215 | 2.82M | 16.63M | Dec 31, 2022 |
| 14 | CITADEL ADVISORS LLC | 1423053 | 2.59M | 6.81M | Mar 31, 2026 |
| 15 | RENAISSANCE TECHNOLOGIES LLC | 1037389 | 2.46M | 6.47M | Mar 31, 2026 |
| 16 | GOLDMAN SACHS GROUP INC | 886982 | 2.39M | 6.28M | Mar 31, 2026 |
| 17 | BANK OF AMERICA CORP /DE/ | 70858 | 2.36M | 6.20M | Mar 31, 2026 |
| 18 | SQUADRON CAPITAL MANAGEMENT LLC | 2050709 | 2.25M | 5.92M | Mar 31, 2026 |
| 19 | BLACKROCK, INC. | 2012383 | 2.05M | 5.39M | Mar 31, 2026 |
| 20 | AQUILO CAPITAL MANAGEMENT, LLC | 1591986 | 1.99M | 3.70M | Sep 30, 2023 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.