Verastem Inc (VSTM)
Healthcare
Biotechnology
5.80 $
-4.9%
vs. previous close
Closing price · As of: 31. Jul 2026
Who owns Verastem Inc (VSTM)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 80.1% of the shares are freely tradable; institutional investors hold 93.6%.
Ownership Structure
Institutional ownership
Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings.
93.6%
Insiders
Share of the stock held by the executives, founders and major shareholders of the company itself.
1.0%
Float
Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders.
80.1%
Short % of float
Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices.
24.9%
Shares Outstanding
Total number of shares issued. Price times share count gives market cap.
88Mio.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| RTW INVESTMENTS, LLC | 7.48 | 6,576,306 | +0.0 | 03/31/2026 |
| BlackRock Inc | 7.05 | 6,194,925 | +30.3 | 03/31/2026 |
| Deep Track Capital, LP | 6.53 | 5,740,850 | +0.0 | 03/31/2026 |
| Armistice Capital, LLC | 5.23 | 4,592,000 | +29.9 | 03/31/2026 |
| Vanguard Group Inc | 4.73 | 4,152,706 | +19.4 | 12/31/2025 |
| Nantahala Capital Management, LLC | 4.08 | 3,584,820 | +675.7 | 03/31/2026 |
| State Street Corp | 4.00 | 3,516,651 | +9.2 | 03/31/2026 |
| Vanguard Capital Management, LLC | 3.78 | 3,322,770 | +0.0 | 03/31/2026 |
| Stonepine Capital Management Llc | 3.76 | 3,302,300 | +20.9 | 03/31/2026 |
| Foresite Capital Management VI LLC | 3.58 | 3,146,631 | +0.4 | 03/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.