| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Deep Track Capital, LP | 10% | $60,288,436 | 7,719,390 | Deep Track Capital, LP | 14 Nov 2025 | |||
| BALYASNY ASSET MANAGEMENT L.P. | 9.3% | -7% | $50,507,629 | -$522,955 | 5,718,190 | -1% | Balyasny Asset Management L.P. | 30 Sep 2025 |
| RTW INVESTMENTS, LP | 9.9% | +20% | $51,091,371 | +$12,542,449 | 5,626,803 | +33% | RTW Investments, LP | 30 Jun 2025 |
| Nantahala Capital Management, LLC | 7.1% | -29% | $40,862,617 | -$7,358,093 | 4,626,236 | -15% | Nantahala Capital Management, LLC | 30 Sep 2025 |
| BlackRock, Inc. | 6% | +22% | $32,479,205 | +$10,231,285 | 3,676,905 | +46% | BlackRock, Inc. | 30 Sep 2025 |
| VANGUARD GROUP INC | 6.2% | +30% | $25,540,183 | +$7,411,562 | 3,423,617 | +41% | The Vanguard Group | 30 Jun 2025 |
| Polar Capital Holdings Plc | 5.1% | $36,130,293 | 3,398,899 | Polar Capital Holdings Plc | 31 Dec 2025 | |||
| Soleus Capital Master Fund, L.P. | 7.3% | $15,547,211 | 3,350,692 | Soleus Capital Management, L.P. | 31 Dec 2024 | |||
| Point72 Asset Management, L.P. | 6.1% | $24,904,606 | 3,338,419 | Point72 Asset Management, L.P. | 25 Jul 2025 | |||
| Logos Global Management LP | 4.8% | -23% | $28,044,140 | -$2,208,200 | 3,175,000 | -7.3% | Logos Global Management LP | 30 Sep 2025 |
| Foresite Capital Fund VI LP | 5.1% | $27,693,456 | 3,135,120 | Foresite Capital Fund VI LP | 16 Oct 2025 | |||
| Stonepine Capital Management, LLC | 4.3% | -14% | $23,583,859 | -$1,442,405 | 2,670,032 | -5.8% | Stonepine Capital Management, LLC | 30 Sep 2025 |
| BIOTECHNOLOGY VALUE FUND L P | 3.9% | -61% | $22,700,000 | -$29,245,145 | 2,500,000 | -56% | BVF PARTNERS L P/IL | 11 Aug 2025 |
| HIRSCHMAN ORIN | 3.6% | -42% | $14,943,715 | -$5,331,274 | 2,003,179 | -26% | Orin Hirschman | 30 Jun 2025 |
| ORBIMED ADVISORS LLC | 2.4% | -53% | $12,106,664 | -$13,884,364 | 1,333,333 | -53% | ORBIMED ADVISORS LLC | 30 Jun 2025 |
| Alyeska Investment Group, L.P. | 2.1% | $4,640,000 | 1,000,000 | Alyeska Investment Group, L.P. | 31 Dec 2024 | |||
| Soleus Private Equity Fund III, L.P. | 1.8% | $4,342,200 | 935,819 | Soleus Capital Management, L.P. | 31 Mar 2025 |
As of 30 Sep 2025, 116 institutional investors reported holding 59,623,578 shares of Verastem, Inc. - Common stock, $0.0001 par value per share (VSTM). This represents 89% of the company’s total 66,776,006 outstanding shares.
The largest institutional shareholders of Verastem, Inc. - Common stock, $0.0001 par value per share (VSTM) together control 78% 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 |
|---|---|---|---|---|---|
| RTW INVESTMENTS, LP | 8.1% | 5,426,306 | +28% | 0.59% | $47,914,282 |
| Balyasny Asset Management L.P. | 6.2% | 4,146,762 | -1.4% | 0.07% | $36,615,908 |
| Logos Global Management LP | 6.1% | 4,050,000 | +305% | 3.5% | $35,761,500 |
| Point72 Asset Management, L.P. | 5.8% | 3,879,364 | 0.07% | $34,254,784 | |
| BlackRock, Inc. | 5.6% | 3,717,182 | +35% | 0% | $32,822,717 |
| VANGUARD GROUP INC | 5.2% | 3,479,011 | +1.6% | 0% | $30,719,666 |
| Stonepine Capital Management, LLC | 4% | 2,670,032 | +96% | 19% | $23,576,383 |
| Vivo Capital, LLC | 4% | 2,644,985 | +72% | 1.9% | $23,355,218 |
| Foresite Capital Management VI LLC | 3.9% | 2,615,120 | +105% | 8.9% | $23,091,510 |
| STATE STREET CORP | 3.3% | 2,228,640 | -1% | 0% | $19,678,891 |
| ARMISTICE CAPITAL, LLC | 3.1% | 2,096,000 | -1.9% | 0.58% | $18,507,680 |
| Rosalind Advisors, Inc. | 2.9% | 1,929,563 | -5.6% | 6.2% | $17,038,041 |
| MORGAN STANLEY | 2.4% | 1,579,486 | +41% | 0% | $13,946,860 |
| Nantahala Capital Management, LLC | 1.9% | 1,292,903 | -56% | 0.71% | $11,416,333 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.9% | 1,244,581 | +3.8% | 0% | $10,992,098 |
| MILLENNIUM MANAGEMENT LLC | 1.7% | 1,159,598 | +2072% | 0.01% | $10,239,250 |
| Polar Capital Holdings Plc | 1.6% | 1,058,776 | +5.9% | 0.05% | $9,348,992 |
| MARSHALL WACE, LLP | 1.6% | 1,055,389 | +293% | 0.01% | $9,319,084 |
| SILVERARC CAPITAL MANAGEMENT, LLC | 1.6% | 1,042,757 | 1.3% | $9,207,544 | |
| Soleus Capital Management, L.P. | 1.4% | 935,909 | 0% | 0.44% | $8,264,076 |
| ORBIMED ADVISORS LLC | 1.3% | 887,561 | 0.19% | $7,837,164 | |
| TANG CAPITAL MANAGEMENT LLC | 1.2% | 789,810 | +193% | 0.27% | $6,974,022 |
| ACORN CAPITAL ADVISORS, LLC | 1.2% | 779,498 | 0% | 3.5% | $6,882,967 |
| Jefferies Financial Group Inc. | 0.88% | 590,184 | +48% | 0.05% | $5,211,324 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 0.87% | 578,032 | +2451% | 0% | $5,105,000 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 564,959 | $4,361,174 | +$4,271,844 | $7.72 | 4 |
| 2025 Q3 | 59,623,578 | $526,452,806 | +$99,233,723 | $8.83 | 116 |
| 2025 Q2 | 52,579,871 | $218,248,088 | +$27,001,547 | $4.15 | 108 |
| 2025 Q1 | 43,276,151 | $260,961,876 | +$53,029,023 | $6.03 | 98 |
| 2024 Q4 | 33,859,352 | $175,058,088 | +$45,181,372 | $5.17 | 90 |
| 2024 Q3 | 26,590,058 | $80,398,604 | +$34,217,297 | $2.99 | 77 |
| 2024 Q2 | 14,536,365 | $43,320,886 | -$62,700,346 | $2.98 | 66 |
| 2024 Q1 | 16,867,641 | $198,998,762 | +$4,598,189 | $11.80 | 69 |
| 2023 Q4 | 16,678,822 | $135,764,868 | -$1,638,450 | $8.14 | 56 |
| 2023 Q3 | 16,742,637 | $136,113,780 | +$6,638,291 | $8.13 | 55 |
| 2023 Q2 | 16,115,155 | $119,896,447 | +$119,896,443 | $7.44 | 59 |