| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| RTW INVESTMENTS, LP | 9.9% | 0% | $60,496,591 | +$17,057,672 | 7,836,346 | +39% | RTW Investments, LP | 31 Dec 2025 |
| Deep Track Capital, LP | 10% | $60,288,436 | 7,719,390 | Deep Track Capital, LP | 14 Nov 2025 | |||
| BALYASNY ASSET MANAGEMENT L.P. | 6.2% | -35% | $36,802,429 | -$7,341,998 | 4,767,154 | -17% | Balyasny Asset Management L.P. | 31 Dec 2025 |
| Nantahala Capital Management, LLC | 4.7% | -34% | $29,301,052 | -$6,413,490 | 3,795,473 | -18% | Nantahala Capital Management, LLC | 31 Dec 2025 |
| BlackRock, Inc. | 6% | +22% | $32,479,205 | +$10,231,285 | 3,676,905 | +46% | BlackRock, Inc. | 30 Sep 2025 |
| ARMISTICE CAPITAL, LLC | 5.3% | $27,297,920 | 3,536,000 | Armistice Capital, LLC | 31 Dec 2025 | |||
| VANGUARD GROUP INC | 6.2% | +30% | $14,183,703 | +$4,116,000 | 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% | $23,421,337 | 3,350,692 | Soleus Capital Management, L.P. | 31 Dec 2024 | |||
| Logos Global Management LP | 4.8% | -23% | $28,035,250 | -$2,207,500 | 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% | $23,576,383 | -$1,441,948 | 2,670,032 | -5.8% | Stonepine Capital Management, LLC | 30 Sep 2025 |
| BIOTECHNOLOGY VALUE FUND L P | 3.9% | -61% | $11,850,000 | -$15,266,739 | 2,500,000 | -56% | BVF PARTNERS L P/IL | 11 Aug 2025 |
| HIRSCHMAN ORIN | 3.6% | -42% | $8,298,970 | -$2,960,715 | 2,003,179 | -26% | Orin Hirschman | 30 Jun 2025 |
| ORBIMED ADVISORS LLC | 2.4% | -53% | $6,319,998 | -$7,248,005 | 1,333,333 | -53% | ORBIMED ADVISORS LLC | 30 Jun 2025 |
| Alyeska Investment Group, L.P. | 2.1% | $6,990,000 | 1,000,000 | Alyeska Investment Group, L.P. | 31 Dec 2024 | |||
| Point72 Asset Management, L.P. | 1.3% | -80% | $7,681,601 | -$18,090,994 | 995,026 | -70% | Point72 Asset Management, L.P. | 31 Dec 2025 |
| Soleus Private Equity Fund III, L.P. | 1.8% | $6,541,375 | 935,819 | Soleus Capital Management, L.P. | 31 Mar 2025 |
As of 31 Dec 2025, 139 institutional investors reported holding 76,380,785 shares of Verastem, Inc. - Common stock, $0.0001 par value per share (VSTM). This represents 114% of the company’s total 66,716,981 outstanding shares.
The largest institutional shareholders of Verastem, Inc. - Common stock, $0.0001 par value per share (VSTM) together control 95% 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 | 9.9% | 6,576,306 | +21% | 0.51% | $50,769,082 |
| Deep Track Capital, LP | 8.6% | 5,740,850 | 1% | $44,319,362 | |
| BlackRock, Inc. | 7.1% | 4,752,842 | +28% | 0% | $36,691,941 |
| VANGUARD GROUP INC | 6.2% | 4,152,706 | +19% | 0% | $32,058,890 |
| Polar Capital Holdings Plc | 5.9% | 3,925,126 | +271% | 0.14% | $30,301,973 |
| ARMISTICE CAPITAL, LLC | 5.3% | 3,536,000 | +69% | 0.67% | $27,297,920 |
| STATE STREET CORP | 4.8% | 3,219,295 | +44% | 0% | $24,852,957 |
| Balyasny Asset Management L.P. | 4.8% | 3,195,726 | -23% | 0.05% | $24,671,005 |
| Foresite Capital Management VI LLC | 4.7% | 3,135,120 | +20% | 7.3% | $24,203,126 |
| Stonepine Capital Management, LLC | 4.1% | 2,732,079 | +2.3% | 17% | $21,091,650 |
| CITADEL ADVISORS LLC | 3.5% | 2,353,465 | +1173% | 0.01% | $18,168,750 |
| SymBiosis Capital Partners, LLC | 3% | 2,000,000 | 0% | 16% | $15,440,000 |
| FARALLON CAPITAL MANAGEMENT LLC | 3% | 2,000,000 | 0.09% | $15,440,000 | |
| MORGAN STANLEY | 2.8% | 1,871,562 | +18% | 0% | $14,448,459 |
| Rosalind Advisors, Inc. | 2.7% | 1,788,475 | -7.3% | 5.3% | $13,807,027 |
| Logos Global Management LP | 2.5% | 1,700,000 | -58% | 0.87% | $13,124,000 |
| GOLDMAN SACHS GROUP INC | 2.2% | 1,495,424 | +504% | 0% | $11,544,673 |
| ACORN CAPITAL ADVISORS, LLC | 2.2% | 1,469,153 | +88% | 3.8% | $11,341,861 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.1% | 1,392,822 | +12% | 0% | $10,755,389 |
| NEXTBio Capital Management LP | 2% | 1,307,330 | 0% | 5.9% | $10,092,588 |
| Vivo Capital, LLC | 1.7% | 1,106,524 | -58% | 0.55% | $8,542,365 |
| TANG CAPITAL MANAGEMENT LLC | 1.6% | 1,069,810 | +35% | 0.41% | $8,258,933 |
| Point72 Asset Management, L.P. | 1.5% | 995,026 | -74% | 0.01% | $7,681,601 |
| J. Goldman & Co LP | 1.4% | 947,303 | +129% | 0.28% | $7,313,179 |
| FRANKLIN RESOURCES INC | 1.4% | 926,011 | 0% | $7,148,805 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 76,380,785 | $589,655,385 | +$94,465,460 | $7.72 | 139 |
| 2025 Q3 | 59,623,619 | $526,453,168 | +$99,234,089 | $8.83 | 117 |
| 2025 Q2 | 52,579,871 | $218,248,088 | +$27,001,542 | $4.15 | 108 |
| 2025 Q1 | 43,276,151 | $260,961,400 | +$53,029,028 | $6.03 | 98 |
| 2024 Q4 | 33,863,058 | $175,077,129 | +$45,200,535 | $5.17 | 90 |
| 2024 Q3 | 26,590,058 | $80,398,256 | +$34,219,258 | $2.99 | 76 |
| 2024 Q2 | 14,536,365 | $43,320,696 | -$62,700,412 | $2.98 | 66 |
| 2024 Q1 | 16,867,597 | $198,997,762 | +$3,544,853 | $11.80 | 69 |
| 2023 Q4 | 16,678,830 | $135,764,956 | -$559,497 | $8.14 | 57 |
| 2023 Q3 | 16,747,399 | $136,152,780 | +$6,463,854 | $8.13 | 56 |
| 2023 Q2 | 16,115,155 | $119,896,447 | +$119,896,447 | $7.44 | 59 |