Cogent Biosciences, Inc.
Cogent Biosciences, Inc. (COGT) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · COGT · as of Mar 31, 2025
Ownership Breakdown
187
Institutional Holders
▲ 2 vs Q4
$799.62M
Total Inst. Value
▼ $149.89M vs Q4
170.87M
Shares Outstanding
freeFloat 86.08%
133.49M
13F Shares Held
▲ 11.76M vs Q4
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
COGT largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
FMR LLC pharmaceutical preparations | 17.08M | 15.07% | 15.07% | $102.29B | May 12, 2025 | ▲ 508.1K |
KYNAM CAPITAL MANAGEMENT, LP pharmaceutical preparations | 9.11M | 8.04% | 8.04% | $54.54B | May 15, 2025 | — held |
PARADIGM BIOCAPITAL ADVISORS LP pharmaceutical preparations | 8.96M | 7.91% | 7.91% | $53.69B | May 15, 2025 | ▲ 4.05M |
COMMODORE CAPITAL LP pharmaceutical preparations | 8.89M | 7.85% | 7.85% | $53.27B | May 15, 2025 | ▲ 2.01M |
BLACKROCK, INC. pharmaceutical preparations | 8.18M | 7.22% | 7.22% | $48.97B | May 2, 2025 | ▼ 163.7K |
TCG CROSSOVER MANAGEMENT, LLC pharmaceutical preparations | 6.96M | 6.15% | 6.15% | $41.72B | May 14, 2025 | — held |
FAIRMOUNT FUNDS MANAGEMENT LLC pharmaceutical preparations | 6.23M | 5.49% | 5.49% | $37.29B | May 15, 2025 | — held |
VANGUARD GROUP INC pharmaceutical preparations | 6.06M | 5.35% | 5.35% | $36.29B | May 9, 2025 | ▼ 75.0K |
VR ADVISER, LLC pharmaceutical preparations | 5.68M | 5.02% | 5.02% | $34.05B | May 15, 2025 | — held |
POINT72 ASSET MANAGEMENT, L.P. pharmaceutical preparations | 5.30M | 4.67% | 4.67% | $31.72B | Jul 21, 2025 | ▼ 51.8K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
20
Increased
+15.11M shares5
New Positions
first time holders15
Decreased
−1.62M shares0
Sold Out
fully exitedNet shares change (top 50)
+13.50M
+15.11M / −1.62M
Net new holders
+10
5 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
COGT insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
2
Buy transactions
1
Sell transactions
2.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Robbins Andrew R President and CEO | May 19, 2026 | Gift | 160,000 | — | — | 497.5K | Form 4 ↗ |
Robbins Andrew R President and CEO | May 19, 2026 | Gift | 160,000 | — | — | 160.0K | Form 4 ↗ |
Ferrante Karen Jean director | Apr 1, 2026 | Award | 686 | $35.24 | $24.2K | 686 | Form 4 ↗ |
Fairmount Funds Management LLC director | Mar 31, 2026 | C-Conversion | 7,000,000 | — | — | 12.50M | Form 4 ↗ |
Fairmount Funds Management LLC director | Mar 31, 2026 | Sale | 7,000,000 | $34.66 | $242.62M | 5.50M | Form 4 ↗ |
Fairmount Funds Management LLC director | Mar 31, 2026 | C-Conversion | 28,000 | — | — | 39.4K | Form 4 ↗ |
Fairmount Funds Management LLC director | Jan 22, 2026 | Sale | 3,500,000 | $36.40 | $127.40M | 5.50M | Form 4 ↗ |
Ferrante Karen Jean director | Jan 1, 2026 | Award | 643 | $34.74 | $22.3K | 643 | Form 4 ↗ |
Kearns Evan Chief Legal Officer | Dec 26, 2025 | Sale | 65,000 | $38.70 | $2.52M | 109.4K | Form 4 ↗ |
Green John L. Chief Financial Officer | Dec 26, 2025 | Sale | 77,000 | $38.68 | $2.98M | 131.8K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Cogent Biosciences, Inc. (COGT) is primarily owned by institutional investors, who hold approximately 78.1% of total shares outstanding. Company insiders own approximately 13.92%, while retail and public investors account for the remaining 7.95%.
The largest institutional shareholder of Cogent Biosciences, Inc. is FMR LLC, holding approximately 17.08 million shares — equal to 15.07% of outstanding shares — as of March 31, 2025.
A total of 187 institutional investors currently hold COGT stock, with a combined institutional value of approximately $799,615,390 as of the most recent 13F filing period.
Frequently asked questions
COGT ownershipCogent Biosciences, Inc. (COGT) is primarily owned by institutional investors, who hold approximately 78.1% of shares. The largest shareholder is FMR LLC with a 15.07% stake. Company insiders hold 13.92%. Data sourced from SEC Form 13F as of March 31, 2025.