Who owns Verastem, Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of VSTM from SEC Form 13F filings across 157 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 157 institutions disclosed 95.1M shares of Verastem, Inc. worth $363.6M — about 95% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
157
13F holders
$363.6M
value, 2026 filers
95%
of shares outstanding (95.1M sh)
33
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of VSTM's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 9.2M | $35.1M | 0.0% | 9.2% | +48.4% |
| 2 | ARMISTICE CAPITAL, LLC | 7.0M | $26.8M | 0.3% | 7% | +53.0% |
| 3 | RTW INVESTMENTS, LP | 6.6M | $25.3M | 0.2% | 6.6% | +0.9% |
| 4 | Deep Track Capital, LP | 5.7M | $21.9M | 0.3% | 5.7% | 0.0% |
| 5 | STATE STREET CORP | 5.1M | $19.6M | 0.0% | 5.1% | +46.0% |
| 6 | Rosalind Advisors, Inc. | 4.0M | $15.2M | 5.7% | 4% | +86.4% |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | 3.9M | $14.7M | 0.0% | 3.8% | +15.9% |
| 8 | Nantahala Capital Management, LLC | 3.6M | $13.7M | 0.5% | 3.6% | 0.0% |
| 9 | Stonepine Capital Management, LLC | 3.3M | $12.8M | 7.2% | 3.3% | +1.4% |
| 10 | VANGUARD PORTFOLIO MANAGEMENT LLC | 3.3M | $12.5M | 0.0% | 3.3% | +331.6% |
| 11 | Foresite Capital Management VI LLC | 3.1M | $12.0M | 1.9% | 3.1% | 0.0% |
| 12 | GOLDMAN SACHS GROUP INC | 2.7M | $10.4M | 0.0% | 2.7% | +83.4% |
| 13 | BAKER BROS. ADVISORS LP | 2.5M | $9.5M | 0.0% | 2.5% | +327.4% |
| 14 | Alyeska Investment Group, L.P. | 2.3M | $8.7M | 0.0% | 2.3% | +11.7% |
| 15 | MILLENNIUM MANAGEMENT LLC | 2.1M | $7.9M | 0.0% | 2.1% | -13.8% |
| 16 | GEODE CAPITAL MANAGEMENT, LLC | 2.1M | $7.9M | 0.0% | 2.1% | +20.8% |
| 17 | AIGH Capital Management LLC | 1.9M | $7.4M | 0.5% | 1.9% | -3.6% |
| 18 | Opaleye Management Inc.NEW | 1.8M | $6.9M | 0.6% | 1.8% | new |
| 19 | Balyasny Asset Management L.P. | 1.7M | $6.4M | 0.0% | 1.7% | +311.6% |
| 20 | Qube Research & Technologies Ltd | 1.6M | $6.2M | 0.0% | 1.6% | +10.3% |
| 21 | ACORN CAPITAL ADVISORS, LLC | 1.5M | $5.6M | 1.5% | 1.5% | 0.0% |
| 22 | NEXTBio Capital Management LP | 1.3M | $5.0M | 2.3% | 1.3% | 0.0% |
| 23 | FRANKLIN RESOURCES INC | 1.1M | $4.2M | 0.0% | 1.1% | -0.1% |
| 24 | Pinnacle Financial Partners, Inc. | 1.1M | $4.2M | 0.0% | 1.1% | +119.4% |
| 25 | AQR CAPITAL MANAGEMENT LLC | 934,565 | $3.6M | 0.0% | 0.9% | +1314.6% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.