Verastem (VSTM)
Markets AVMAPKI FAKZYNJA and develops small-molecule drugs for RAS/MAPK-driven cancers.
$8.03
vs last close−0.34 (−4.10%)
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13F · 13D/G · Form 4
| Institutions | 105.31% | 95.37M shares | |
|---|---|---|---|
| 167 holders · as of Jun 30, 2026 | |||
| Insiders | 1.50% | 1.36M shares | |
| 13 holders · as of Aug 5, 2026 | |||
| Adds to | 106.81% | ||
90.56M company shares as of Sep 23, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
These groups come from separate filings that can overlap, so they add to 106.81%; nothing is left for Other.
13F, as of Jun 30, 2026
167 holders · 95.37M shares · 35 new positions · 104 increased · 38 reduced · 31 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 9.19M | 10.15% | +3.00M | Aug 7, 2026 |
| Armistice Capital, LLC | 7.02M | 7.76% | +2.43M | Aug 14, 2026 |
| RTW Investments, LP | 6.64M | 7.33% | +59.5K | Aug 14, 2026 |
| Deep Track Capital, LP | 5.74M | 6.34% | 0 | Aug 14, 2026 |
| State Street Corp | 5.13M | 5.67% | +1.62M | Aug 7, 2026 |
| Rosalind Advisors, Inc. | 3.99M | 4.40% | +1.85M | Aug 14, 2026 |
| Vanguard Capital Management LLC | 3.85M | 4.25% | +528.7K | Aug 13, 2026 |
| Nantahala Capital Management, LLC | 3.58M | 3.96% | 0 | Aug 19, 2026 |
13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| Deep Track Capital, LP | 9.99% | 7.72M | 13G | Nov 21, 2025 |
| RTW Investments, LP | 9.90% | 9.02M | 13G | May 15, 2026 |
| Barclays PLC | 8.87% | 3.95M | 13G | Mar 21, 2025 |
| Ramya Rao | 8.87% | 3.95M | 13G | Feb 14, 2025 |
| Alyeska Fund GP, LLCincl. Anand Parekh, Alyeska Investment Group, L.P. | 7.11% | 2.86M | Nov 14, 2024 | |
| BlackRock, Inc. | 6.00% | 3.68M | 13G | Oct 17, 2025 |
| State Street Corporation | 5.80% | 5.13M | 13G | Aug 7, 2026 |
| Biotechnology Value Fund L P | 5.80% | 3.24M | 13G | Aug 13, 2025 |
| Armistice Capital, LLC | 5.23% | 4.59M | 13G | May 15, 2026 |
| Polar Capital Holdings Plc | 5.09% | 3.40M | 13G | Jan 5, 2026 |
| Vanguard Capital Management | 5.03% | 4.42M | 13G | Jul 31, 2026 |
Form 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Aug 3, 2026 | Dan Patersondirector, officer: President and CEO | Sale | 1,302 | $5.81 | 589,940 |
| Jun 22, 2026 | Daniel Calkinsofficer: Chief Financial Officer | Sale · 2 lots | 4,089 | $4.18 | 117,238 |
| Jun 22, 2026 | Dan Patersondirector, officer: President and CEO | Sale | 20,871 | $4.18 | 591,242 |
| May 4, 2026 | Dan Patersondirector, officer: President and CEO | Sale | 806 | $5.82 | 612,113 |
| Feb 4, 2026 | Dan Patersondirector, officer: President and CEO | Sale | 970 | $6.69 | 612,919 |
| Jan 12, 2026 | Daniel Calkinsofficer: Chief Financial Officer | Sale | 5,039 | $7.16 | 104,719 |
| Jan 12, 2026 | Dan Patersondirector, officer: President and CEO | Sale | 10,321 | $7.16 | 400,104 |
| Dec 24, 2025 | Daniel Calkinsofficer: Chief Financial Officer | Sale | 80 | $7.86 | 109,758 |
| Dec 16, 2025 | Robert E. Gagnondirector | Sale | 283 | $9.14 | 41,678 |
| Dec 16, 2025 | Dan Patersondirector, officer: President and CEO | Sale | 393 | $9.14 | 410,425 |
House and Senate disclosures
Not reported.