As of November 6, 2026, Verastem, Inc. is a publicly traded company (Nasdaq: VSTM); its largest reported holder is RTW Investments, with 9.9% on Schedule 13G/A of May 15, 2026, then Armistice Capital (7.76%). The largest insider holding is Dan Paterson, the chief executive and president, with 651,413 shares (0.52% of shares outstanding), per Form 4 of November 5, 2026 (Schedule 13G/A, May 15, 2026).
Is this your company?
About to sign with, pay or invest in Verastem, Inc.? See the free Snapshot first.
Free to see. No signup.
Is Verastem, Inc. a real, registered company?
- Verastem Inc files with the SEC under CIK 1526119 (its SEC filings).
- Its shares are listed under the ticker VSTM on Nasdaq (SEC company record).
- Incorporated in Massachusetts; business address in Needham, Massachusetts, as its SEC filings state.
- Court and bankruptcy records: see Before you sign or pay below.
Before you sign or pay
- Court and bankruptcy: No federal court case or bankruptcy filing found under Verastem Inc in our court records and SEC 8-K records (as of 2026-11-06).
- Leadership changes: the latest reported is Daniel W. Paterson, President and Chief Executive Officer (Form 8-K filed 2026-10-14). Check you are dealing with the people now in charge.
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names Armistice Capital (filed 2026-08-14).
Who are Verastem, Inc.'s owners and officers?
Verastem, Inc.: incorporated in Massachusetts; business address in Needham, Massachusetts; industry Pharmaceutical Preparations (Schedule 13G/A, 2026-10-30).
| Report | Holder | Share |
|---|---|---|
| Schedule 13G/A, 2026-10-30 | Vanguard Capital Management | 4.83% |
| Schedule 13G/A, 2026-08-14 | Armistice Capital, LLC | 7.76% |
| Schedule 13G, 2026-08-07 | State Street Corporation | 5.8% |
| Schedule 13G, 2026-07-31 | Vanguard Capital Management | 5.03% |
| Schedule 13G/A, 2026-07-30 | Blackrock, Inc. | 7% |
| Schedule 13G/A, 2026-07-08 | Polar Capital Holdings PLC | 4.8% |
| Schedule 13G/A, 2026-05-15 | Armistice Capital, LLC | 5.23% |
| Schedule 13G/A, 2026-05-15 | Balyasny Asset Management L.P. | 1.55% |
| Schedule 13G/A, 2026-05-15 | Foresite Capital Fund Vi LP | 3.6% |
| Schedule 13G/A, 2026-05-15 | Rtw Investments, LP | 9.9% |
| Schedule 13G/A, 2026-03-27 | The Vanguard Group | 0% |
| Schedule 13G/A, 2026-02-17 | Balyasny Asset Management L.P. | 6.18% |
Questions about who owns Verastem, Inc.
Who owns Verastem, Inc.?
On this page, 4 holders' latest ownership filings report 5% or more of Verastem, Inc.: Rtw Investments, LP (9.9%, Schedule 13G/A, filed 2026-05-15), Armistice Capital, LLC (7.76%, Schedule 13G/A, filed 2026-08-14), Blackrock, Inc. (7%, Schedule 13G/A, filed 2026-07-30) and State Street Corporation (5.8%, Schedule 13G, filed 2026-08-07).
Who are the largest shareholders of Verastem, Inc.?
By the share each holder's latest filing reports, the largest holders of Verastem, Inc. on this page are Rtw Investments, LP (9.9%), Armistice Capital, LLC (7.76%) and Blackrock, Inc. (7%).
When did Rtw Investments, LP buy into Verastem, Inc.?
The filings give report dates, not purchase dates. The earliest filing from Rtw Investments, LP on this page is the Schedule 13G/A, filed 2026-05-15, reporting 9.9%. That earliest filing is itself an amendment, which updates an earlier report.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 12 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
Want the whole picture on Verastem, Inc.?
Example from a real report (our sample on Target): “The Q2 2026 earnings report, published August 19, 2026, showed adjusted EPS of $2.46 against an expected $2.33” Source: CNBC
A Full Report on Verastem, Inc.: verified, sourced, every claim cited, ready in a few minutes. See pricing.
What the Full Report on Verastem, Inc. covers
The Short Answer
Which Company This Is
What They Do, And How The Money Works
Who Runs It, And How To Reach Them
The Money: Funding, Valuation, Runway
Who Pays Them, And Who They Are Up Against
Warning Bells
Sources
19 cited sources found
Plus the sections for what you are deciding, which you pick after ordering.
A real finished report, first screen. Opens in a new tab.
| Filed | Person | Role | Change | Effective |
|---|---|---|---|---|
| Form 8-K, 2026-10-14 | Daniel W. Paterson | President and Chief Executive Officer | departed | 2027-01-01 |
| Form 8-K, 2026-10-14 | Michael Bailey | President and Chief Executive Officer | appointed | |
| Form 8-K, 2026-10-14 | Daniel W. Paterson | appointed |
Which insiders own Verastem, Inc. shares?
Directors, officers and holders of 10% or more report their shares on Forms 3, 4 and 5. Each line is the latest such report, largest holding first.
- , the chief executive and president: 651,413 shares (0.52% of shares outstanding) (Form 4, 2026-11-05).
- , a director: 137,147 shares (0.11% of shares outstanding) (Form 4, 2026-05-26).
- , the chief financial officer: 123,781 shares (0.10% of shares outstanding) (Form 4, 2026-10-02).
- , a director: 108,000 shares (0.09% of shares outstanding) (Form 4, 2026-05-27).
- , a director: 52,666 shares (0.04% of shares outstanding) (Form 4, 2026-05-26).
Shares outstanding: 126,014,804 as of 2026-11-02, from the company's latest SEC cover page.
How much has Verastem, Inc. raised?
No fundraising or offering filing from Verastem, Inc. is on file with us.
Keep reading
More on Verastem, Inc. and the records around it.
Verastem, Inc. elsewhere on the record
- 5%+ stake filings Oct 2026
- Leadership changes Oct 2026
Companies that share a holder
- Polar Capital Holdings Plc also filed stake reports on 3 other companies: Arcutis Biotherapeutics, Inc. (Aug 2026), ENLIVEN THERAPEUTICS, INC. (Jun 2026), HAGERTY, INC. (Sep 2025)
- Foresite Capital Fund VI LP also filed stake reports on 4 other companies: IRulya Therapeutics Inc. (Oct 2026), Alumis Inc. (Aug 2026), Latigo Biotherapeutics, Inc. (Aug 2026)
- Logos Global Management LP also filed stake reports on 14 other companies: Longeveron Inc. (Sep 2026), ACHIEVE LIFE SCIENCES, INC. (Aug 2026), Yarrow Bioscience, Inc. (Aug 2026)
Related pages
Filings, cases and notices link to their records. A not-found line names the records searched; it is not proof of absence.
Not for employment, credit, insurance or tenancy decisions.
Cite this page
https://mentionfox.com/who-owns/verastem