| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| FMR LLC | 15% | $81,355,047 | 16,569,256 | FMR LLC | 31 Dec 2024 | |||
| Fairmount Funds Management LLC | 9.9% | 0% | $577,623,327 | +$13,657,440 | 16,261,918 | +2.4% | Fairmount Funds Management LLC | 22 Jan 2026 |
| VANGUARD GROUP INC | 7.5% | $408,988,860 | 11,514,326 | The Vanguard Group | 31 Dec 2025 | |||
| BlackRock, Inc. | 6.5% | $403,870,356 | 11,370,224 | BlackRock, Inc. | 31 Dec 2025 | |||
| Flynn James E | 6.5% | $65,023,115 | 9,053,118 | Deerfield Mgmt, L.P. | 07 Jul 2025 | |||
| TCG Crossover GP I, LLC | 4.8% | $97,621,606 | 6,798,162 | TCG Crossover GP I, LLC | 30 Sep 2025 | |||
| Kynam Capital Management, LP | 4.3% | -20% | $219,296,982 | -$61,214,156 | 6,165,223 | -22% | Kynam Capital Management, LP | 31 Dec 2025 |
| Point72 Asset Management, L.P. | 4% | -52% | $82,625,042 | -$60,775,814 | 5,753,833 | -42% | Point72 Asset Management, L.P. | 30 Sep 2025 |
| Venrock Healthcare Capital Partners II, L.P. | 4.2% | -27% | $44,463,093 | -$15,815,581 | 4,755,411 | -26% | Venrock Healthcare Capital Partners II, L.P. | 30 Jun 2025 |
| Paradigm Biocapital Advisors LP | 2.3% | -76% | $45,325,875 | -$103,335,292 | 3,156,398 | -70% | Paradigm BioCapital Advisors LP | 30 Sep 2025 |
| Commodore Capital LP | 1.8% | -77% | $99,699,331 | -$263,401,363 | 2,802,905 | -73% | Commodore Capital LP | 31 Dec 2025 |
As of 31 Dec 2025, 263 institutional investors reported holding 173,897,229 shares of Cogent Biosciences, Inc. - Common Stock, $0.001 par value per share (COGT). This represents 112% of the company’s total 155,716,944 outstanding shares.
The largest institutional shareholders of Cogent Biosciences, Inc. - Common Stock, $0.001 par value per share (COGT) together control 82% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| FMR LLC | 15% | 23,086,967 | +3% | 0.04% | $820,049,063 |
| BlackRock, Inc. | 8.3% | 12,974,591 | +25% | 0.01% | $460,857,474 |
| VANGUARD GROUP INC | 7.4% | 11,514,326 | +48% | 0.01% | $408,988,860 |
| DEERFIELD MANAGEMENT COMPANY, L.P. | 5.8% | 9,043,903 | -0.1% | 4.1% | $321,239,435 |
| Fairmount Funds Management LLC | 5.8% | 9,003,418 | 0% | 24% | $319,801,407 |
| RTW INVESTMENTS, LP | 4.9% | 7,592,241 | +119% | 2.7% | $269,676,400 |
| Kynam Capital Management, LP | 4% | 6,165,223 | -22% | 14% | $218,988,721 |
| TCG Crossover Management, LLC | 3.8% | 5,868,162 | -14% | 6.9% | $208,437,114 |
| STATE STREET CORP | 3.2% | 4,940,300 | +3.5% | 0.01% | $175,479,456 |
| JANUS HENDERSON GROUP PLC | 2.9% | 4,537,408 | +43% | 0.07% | $161,114,684 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.3% | 3,514,562 | +7.3% | 0.01% | $124,861,950 |
| WELLINGTON MANAGEMENT GROUP LLP | 1.7% | 2,712,336 | +567% | 0.02% | $96,342,176 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 1.6% | 2,564,062 | +2758% | 0.01% | $91,076,000 |
| Vivo Capital, LLC | 1.5% | 2,398,993 | -14% | 5.5% | $85,212,231 |
| Octagon Capital Advisors LP | 1.5% | 2,350,000 | -18% | 10% | $83,472,000 |
| D. E. Shaw & Co., Inc. | 1.4% | 2,247,804 | +47% | 0.06% | $79,841,998 |
| Duquesne Family Office LLC | 1.4% | 2,214,470 | +109% | 1.9% | $78,658,000 |
| Commodore Capital LP | 1.4% | 2,196,845 | -70% | 5.2% | $78,031,934 |
| VR ADVISER, LLC | 1.3% | 2,000,000 | -50% | 3.5% | $71,040,000 |
| Sofinnova Investments, Inc. | 1.3% | 1,973,625 | -7.3% | 3% | $70,103,160 |
| LORD, ABBETT & CO. LLC | 1.2% | 1,870,537 | 0.2% | $66,441,000 | |
| GOLDMAN SACHS GROUP INC | 1.1% | 1,705,144 | +2.7% | 0.01% | $60,566,715 |
| MARSHALL WACE, LLP | 1.1% | 1,660,735 | +158% | 0.06% | $58,989,307 |
| Siren, L.L.C. | 1% | 1,629,279 | -5.5% | 1.7% | $57,871,990 |
| EMERALD ADVISERS, LLC | 1% | 1,583,346 | +0.24% | 1.7% | $56,240,450 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 173,897,229 | $6,177,437,037 | +$560,990,659 | $35.52 | 263 |
| 2025 Q3 | 159,224,831 | $2,286,403,568 | +$377,675,482 | $14.36 | 192 |
| 2025 Q2 | 135,519,487 | $973,045,860 | +$18,987,122 | $7.18 | 175 |
| 2025 Q1 | 133,492,788 | $799,614,961 | +$57,857,622 | $5.99 | 182 |
| 2024 Q4 | 121,716,056 | $949,488,255 | -$21,661,319 | $7.80 | 173 |
| 2024 Q3 | 121,834,182 | $1,316,352,629 | +$470,587 | $10.80 | 160 |
| 2024 Q2 | 121,381,737 | $1,023,259,146 | +$106,597,224 | $8.43 | 146 |
| 2024 Q1 | 109,208,822 | $733,878,161 | +$128,257,287 | $6.72 | 144 |
| 2023 Q4 | 90,814,821 | $533,992,647 | -$45,403,172 | $5.88 | 141 |
| 2023 Q3 | 90,861,393 | $885,844,189 | +$20,538,646 | $9.75 | 134 |
| 2023 Q2 | 88,529,694 | $1,048,151,896 | +$158,614,636 | $11.84 | 134 |
| 2023 Q1 | 75,176,767 | $810,346,243 | +$3,226,883 | $10.79 | 133 |
| 2022 Q4 | 74,675,712 | $863,268,307 | -$1,804,375 | $11.56 | 133 |
| 2022 Q3 | 73,734,143 | $1,100,096,408 | +$70,755,840 | $14.92 | 129 |
| 2022 Q2 | 70,081,829 | $632,136,824 | +$209,072,563 | $9.02 | 107 |
| 2022 Q1 | 47,217,562 | $353,580,440 | -$5,659,624 | $7.49 | 81 |
| 2021 Q4 | 44,899,168 | $385,164,997 | +$41,807,073 | $8.58 | 80 |
| 2021 Q3 | 36,797,124 | $309,606,147 | +$4,142,169 | $8.41 | 71 |
| 2021 Q2 | 34,971,040 | $283,623,000 | +$12,872,399 | $8.11 | 65 |
| 2021 Q1 | 34,431,767 | $303,253,000 | +$9,820,126 | $8.78 | 65 |
| 2020 Q4 | 33,524,756 | $376,481,000 | +$318,450,000 | $11.23 | 67 |