Cogent Biosciences, Inc.
Total Trades
9
Buys
4
Sells
5
Largest Trade
$1M+
Insiders
6
Institutional Funds
201
Inst. Value
$1M+
Activist Filings
50
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Fairmount Funds Management LLC | Director | SELL | $1M+ | 3.5M | $36.40 | Jan 23, 2026 |
| Kearns Evan | Chief Legal Officer | SELL | $1M+ | 65K | $38.70 | Dec 30, 2025 |
| Green John L. | CFO | SELL | $1M+ | 77K | $38.68 | Dec 30, 2025 |
| Sachs Jessica | Chief Medical Offi… | SELL | $1M+ | 83K | $38.70 | Dec 30, 2025 |
| Robinson John Edward | Chief Scientific O… | SELL | $1M+ | 90K | $38.74 | Dec 30, 2025 |
| Fairmount Funds Management LLC | Director | BUY | $1M+ | 2.8M | $9.00 | Jul 14, 2025 |
| Pinnow Cole | Chief Commercial O… | BUY | $100K–$500K | 44K | $7.60 | Jan 15, 2025 |
| Fairmount Funds Management LLC | 10% Owner | BUY | $1M+ | 800K | $12.00 | Jun 13, 2023 |
| Fairmount Funds Management LLC | 10% Owner | BUY | $1M+ | 1.2M | $8.25 | Jun 21, 2022 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 201 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| Fairmount Funds Management LLC | 9.0M | $1M+ | SH |
| STATE STREET CORP | 4.9M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 3.0M | $1M+ | SH |
| Vivo Capital, LLC | 2.4M | $1M+ | SH |
| Octagon Capital Advisors LP | 2.4M | $1M+ | SH |
| Duquesne Family Office LLC | 2.2M | $1M+ | SH |
| VR Adviser, LLC | 2.0M | $1M+ | SH |
| Sofinnova Investments, Inc. | 2.0M | $1M+ | SH |
| LORD, ABBETT & CO. LLC | 1.8M | $1M+ | SH |
| Siren, L.L.C. | 1.6M | $1M+ | SH |
| EMERALD ADVISERS, LLC | 1.6M | $1M+ | SH |
| BALYASNY ASSET MANAGEMENT L.P. | 1.4M | $1M+ | SH |
| Redmile Group, LLC | 1.4M | $1M+ | SH |
| Candriam S.C.A. | 1.3M | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.3M | $1M+ | SH |
| SILVERARC CAPITAL MANAGEMENT, LLC | 1.2M | $1M+ | SH |
| EMERALD MUTUAL FUND ADVISERS TRUST | 1.0M | $1M+ | SH |
| AMERICAN CENTURY COMPANIES INC | 893K | $1M+ | SH |
| Point72 Asset Management, L.P. | 828K | $1M+ | SH |
| First Turn Management, LLC | 824K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G/A · Feb 17, 2026
1.8%
2.8M shares
SC 13G/A · Feb 17, 2026
4.3%
6.2M shares
SC 13G/A · Jan 30, 2026
7.5%
11.5M shares
Fairmount Funds Management LLC
SC 13D/A · Jan 23, 2026
9.9%
16.3M shares
SC 13G/A · Jan 21, 2026
6.5%
11.4M shares
SC 13G/A · Jan 21, 2026
6.5%
11.4M shares
Fairmount Funds Management LLC
SC 13D/A · Nov 17, 2025
9.9%
15.9M shares
SC 13G/A · Nov 14, 2025
7.2%
10.2M shares
Paradigm BioCapital Advisors LP
SC 13G/A · Nov 14, 2025
2.3%
3.2M shares
SC 13G/A · Nov 14, 2025
4.8%
6.8M shares
Point72 Asset Management, L.P.
SC 13G/A · Nov 14, 2025
4.0%
5.8M shares
SC 13G/A · Nov 14, 2025
5.5%
7.9M shares
Venrock Healthcare Capital Partners II, L.P.
SC 13G/A · Aug 14, 2025
4.2%
4.8M shares
SC 13G · Aug 14, 2025
5.5%
6.4M shares
SC 13G/A · Aug 14, 2025
4.6%
5.3M shares
Paradigm BioCapital Advisors LP
SC 13G/A · Aug 14, 2025
9.1%
10.4M shares
Fairmount Funds Management LLC
SC 13D/A · Jul 14, 2025
9.9%
14.3M shares
SC 13G · Jul 11, 2025
6.5%
9.1M shares
Paradigm BioCapital Advisors LP
SC 13G/A · May 15, 2025
7.9%
9.0M shares
Venrock Healthcare Capital Partners II, L.P.
SC 13G/A · Apr 11, 2025
5.8%
6.4M shares
Point72 Asset Management, L.P.
SC 13G/A · Feb 14, 2025
8.7%
10.0M shares
Paradigm BioCapital Advisors LP
SC 13G · Feb 12, 2025
5.0%
5.6M shares
SC 13G/A · Feb 12, 2025
15.0%
16.6M shares
Point72 Asset Management, L.P.
SC 13G/A · Nov 15, 2024
9.9%
15.1M shares
Venrock Healthcare Capital Partners II, L.P.
SC 13G/A · Nov 14, 2024
10.0%
11.5M shares
SC 13G/A · Nov 14, 2024
9.3%
10.5M shares
Suvretta Capital Management, LLC
SC 13G/A · Nov 14, 2024
0.0%
0 shares
Kynam Capital Management, LP 85-3660072
SC 13G/A · Nov 14, 2024
8.4%
9.2M shares
SC 13G/A · Nov 7, 2024
12.1%
13.2M shares
SC 13G/A · Nov 7, 2024
7.6%
8.3M shares
Fairmount Funds Management LLC
SC 13D/A · Jun 13, 2024
9.9%
11.3M shares
Fairmount Funds Management LLC
SC 13D/A · Apr 1, 2024
9.9%
10.0M shares
Fairmount Funds Management LLC 2
SC 13D/A · Mar 27, 2024
9.9%
10.0M shares
Fairmount Funds Management LLC 2
SC 13D/A · Feb 16, 2024
18.9%
23.1M shares
Venrock Healthcare Capital Partners II, L.P.
SC 13G/A · Feb 15, 2024
10.0%
9.0M shares
SC 13G/A · Feb 14, 2024
0.0%
0 shares
Point72 Asset Management, L.P.
SC 13G/A · Feb 14, 2024
6.0%
5.2M shares
SC 13G/A · Feb 14, 2024
7.1%
6.2M shares
Kynam Capital Management, LP 85-3660072
SC 13G · Feb 14, 2024
6.8%
5.9M shares
The Vanguard Group - 23-1945930
SC 13G · Feb 13, 2024
5.3%
4.5M shares
SC 13G/A · Jan 26, 2024
7.8%
6.8M shares
STATE STREET CORPORATION I.R.S. IDENTIFICATION NO. OF THE ABOVE PERSON 04-2456637
SC 13G/A · Jan 23, 2024
4.8%
0 shares
Fairmount Funds Management LLC
SC 13D/A · Jun 13, 2023
20.0%
20.0M shares
Point72 Asset Management, L.P.
SC 13G · Jun 1, 2023
5.0%
3.6M shares
Venrock Healthcare Capital Partners II, L.P.
SC 13G/A · Feb 14, 2023
10.0%
7.3M shares
SC 13G/A · Feb 14, 2023
8.6%
6.0M shares
SC 13G/A · Feb 14, 2023
7.0%
4.9M shares
SC 13G/A · Feb 14, 2023
5.2%
3.6M shares
Eventide Asset Management, LLC
SC 13G/A · Feb 14, 2023
3.7%
2.6M shares
Frazier Life Sciences Public Fund, L.P.
SC 13G/A · Feb 14, 2023
3.0%
2.1M shares