Companies / Verastem, Inc.
Verastem, Inc.
Nasdaq: VSTMCIK 1526119NEEDHAM, MA
Financials · FY2025
Ownership
90.6M shares outstanding · as of Aug 3, 2026
Ownership
| Insiders | 0.99% | 894,912 |
| 10%+ / strategic | 13.33% | 12,068,758 |
| Institutions | 80.68% | 73,062,557 |
| Public float | 5.01% | 4,537,214 |
% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.
Insiders 5
View all →| Insider | % of shares | Shares |
|---|---|---|
Paterson DanCEOPresident and CEO · Director | 0.68% | 612,919 |
Calkins DanielChief Financial Officer | 0.13% | 121,327 |
Bailey Michael PDirector | 0.12% | 108,000 |
Rowinsky Eric KDirector | 0.06% | 52,666 |
Kauffman MichaelPresident of Development · Director | — | — |
Institutional holders 152
View all →| Holder | Value | % of shares |
|---|---|---|
| $50.77M | 7.26% | |
| $44.32M | 6.34% | |
| $35.12M | 10.15% | |
| $32.06M | 4.59% | |
| $30.30M | 4.33% | |
| $27.30M | 3.90% | |
| $24.20M | 3.46% | |
| $21.09M | 3.02% | |
| $19.61M | 5.67% | |
| $18.17M | 2.60% |
Activity
Jun 30, 2026View all →
InsidersInstitutions
Who's accumulating and trimming this stock (13F).| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Q2 2026 as of | BlackRock, Inc. 13F manager | Add | Common stock | $16.96M | +4.4M +93.41% | 9,192,447 10.15% of shares | medium |
| Q4 2025 as of | Farallon Capital Management LLC 13F manager | New | Common stock | $15.44M | +2.0M | 2,000,000 2.21% of shares | medium |
| Q1 2026 as of | Balyasny Asset Management L.P. 13F manager | Trim | Common stock | $-14.77M | -2.8M -87.18% | 409,779 0.45% of shares | medium |
| Q1 2026 as of | Millennium Management LLC 13F manager | Add | Common stock | $9.84M | +1.9M +334.49% | 2,411,965 2.66% of shares | medium |
| Q1 2026 as of | Tang Capital Management, LLC 13F manager | Exit | Common stock | $-8.26M | -1.1M -100.00% | 0 | medium |
| Q2 2026 as of | AIGH Capital Management LLC 13F manager | New | Common stock | $7.36M | +1.9M | 1,927,000 2.13% of shares | medium |
| Q2 2026 as of | State Street Corporation 13F manager | Add | Common stock | $7.31M | +1.9M +59.47% | 5,133,859 5.67% of shares | medium |
| Q1 2026 as of | Baker Bros. Advisors LP 13F manager | New | Common stock | $3.10M | +585K | 584,757 0.65% of shares | low |
5%+ ownership events
Schedule 13D / 13G
| Filer | Stance | % of class |
|---|---|---|
| State Street Corporation | Passive13G | — |
| Vanguard Group Inc | Passive13G/A | — |
| Balyasny Asset Management L.P. | Passive13G/A | — |
| Nantahala Capital Management, LLC | Passive13G/A | — |
| RTW Investments, LP | Passive13G/A | — |
| Point72 Asset Management, L.P. | Passive13G/A | — |
| Polar Capital Holdings Plc | Passive13G | — |
| Armistice Capital, LLC | Passive13G | — |
Securities
via CUSIP / OpenFIGI
| Symbol | Type | CUSIP |
|---|---|---|
| VSTM | — | 92337C203 |