Latest Period
Q1 2026
Security Snapshot
Verastem, Inc. - Common Stock (VSTM) Institutional Ownership
CUSIP: 92337C203
13F Institutional Holders and Ownership History from Q2 2023 to Q1 2026
Institutions Reporting
154
Shares (Excl. Options)
81,383,910
Price
$5.30
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- Security type / class
- Equity / Common Stock
- Symbol
- VSTM on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 81,383,910
- Total 13F value
- $431,469,148
- Portfolio coverage rank
- 0%
- Share change
- +4,389,084
- Value change
- -$6,896,250
- Number of holders
- 154
- Shares outstanding
- 87,406,417
- SEC-reported price per share
- $4.13
- Insider filing price
- $4.13
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- VSTM - Verastem, Inc. - Common Stock is tracked under CUSIP 92337C203.
- 154 institutions reported positions in Q1 2026.
- 17 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 142 to 154 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $590,585,869 to $431,469,148.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 154 institutions filings for Q1 2026.
Security key
92337C203
Latest holder period
Q1 2026
13F holders
154
13D/G owners
17
CIK / CUSIP context first
Open Q1 2026 holders
VSTM full holder history
Verastem, Inc. SEC filings
Verastem, Inc. company facts
Verastem, Inc. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 92337C203:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
17
Security
VSTM
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| RTW INVESTMENTS, LP | 9.9% | 0% | $49,152,046 | +$6,443,960 | 9,018,724 | +15% | RTW Investments, LP | 31 Mar 2026 |
| Deep Track Capital, LP | 10% | $60,288,436 | 7,719,390 | Deep Track Capital, LP | 14 Nov 2025 | |||
| ARMISTICE CAPITAL, LLC | 5.2% | -1.4% | $25,026,400 | +$5,755,200 | 4,592,000 | +30% | Armistice Capital, LLC | 31 Mar 2026 |
| Nantahala Capital Management, LLC | 4.7% | -34% | $29,301,052 | -$6,413,490 | 3,795,473 | -18% | Nantahala Capital Management, LLC | 31 Dec 2025 |
| BlackRock, Inc. | 6% | +22% | $32,479,205 | +$10,231,285 | 3,676,905 | +46% | BlackRock, Inc. | 30 Sep 2025 |
| Polar Capital Holdings Plc | 5.1% | $36,130,293 | 3,398,899 | Polar Capital Holdings Plc | 31 Dec 2025 | |||
| Soleus Capital Master Fund, L.P. | 7.3% | $23,421,337 | 3,350,692 | Soleus Capital Management, L.P. | 31 Dec 2024 | |||
| Logos Global Management LP | 4.8% | -23% | $28,035,250 | -$2,207,500 | 3,175,000 | -7.3% | Logos Global Management LP | 30 Sep 2025 |
| Foresite Capital Fund VI LP | 3.6% | -30% | $17,149,139 | +$62,735 | 3,146,631 | +0.37% | Foresite Capital Fund VI LP | 31 Mar 2026 |
| Stonepine Capital Management, LLC | 4.3% | -14% | $23,576,383 | -$1,441,948 | 2,670,032 | -5.8% | Stonepine Capital Management, LLC | 30 Sep 2025 |
| BIOTECHNOLOGY VALUE FUND L P | 3.9% | -61% | $11,850,000 | -$15,266,739 | 2,500,000 | -56% | BVF PARTNERS L P/IL | 11 Aug 2025 |
| HIRSCHMAN ORIN | 3.6% | -42% | $8,298,970 | -$2,960,715 | 2,003,179 | -26% | Orin Hirschman | 30 Jun 2025 |
| BALYASNY ASSET MANAGEMENT L.P. | 1.6% | -77% | $7,414,131 | -$18,566,858 | 1,360,391 | -71% | Balyasny Asset Management L.P. | 31 Mar 2026 |
| ORBIMED ADVISORS LLC | 2.4% | -53% | $6,319,998 | -$7,248,005 | 1,333,333 | -53% | ORBIMED ADVISORS LLC | 30 Jun 2025 |
| Alyeska Investment Group, L.P. | 2.1% | $6,990,000 | 1,000,000 | Alyeska Investment Group, L.P. | 31 Dec 2024 | |||
| Point72 Asset Management, L.P. | 1.3% | -80% | $7,681,601 | -$18,090,994 | 995,026 | -70% | Point72 Asset Management, L.P. | 31 Dec 2025 |
| Soleus Private Equity Fund III, L.P. | 1.8% | $6,541,375 | 935,819 | Soleus Capital Management, L.P. | 31 Mar 2025 |
As of 31 Mar 2026, 154 institutional investors reported holding 81,383,910 shares of Verastem, Inc. - Common Stock (VSTM). This represents 93% of the company’s total 87,406,417 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
76%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| RTW INVESTMENTS, LP | 7.5% | 6,576,306 | 0% | 0.35% | $34,854,422 |
| BlackRock, Inc. | 7.1% | 6,194,925 | +30% | 0% | $32,833,103 |
| Deep Track Capital, LP | 6.6% | 5,740,850 | 0% | 0.63% | $30,426,505 |
| ARMISTICE CAPITAL, LLC | 5.3% | 4,592,000 | +30% | 0.8% | $24,337,600 |
| Nantahala Capital Management, LLC | 4.1% | 3,584,820 | +676% | 1.2% | $18,999,546 |
| STATE STREET CORP | 4% | 3,516,651 | +9.2% | 0% | $18,638,250 |
| VANGUARD CAPITAL MANAGEMENT LLC | 3.8% | 3,322,770 | 0% | 0% | $17,610,681 |
| Stonepine Capital Management, LLC | 3.8% | 3,302,300 | +21% | 15% | $17,502,190 |
| Foresite Capital Management VI LLC | 3.6% | 3,146,631 | +0.37% | 3.6% | $16,677,144 |
| MILLENNIUM MANAGEMENT LLC | 2.8% | 2,411,965 | +334% | 0.01% | $12,783,414 |
| CITADEL ADVISORS LLC | 2.6% | 2,308,669 | -1.9% | 0.01% | $12,235,945 |
| MORGAN STANLEY | 2.6% | 2,247,273 | +20% | 0% | $11,910,548 |
| Rosalind Advisors, Inc. | 2.4% | 2,138,475 | +20% | 4.6% | $11,333,918 |
| Alyeska Investment Group, L.P. | 2.3% | 2,050,000 | 0.03% | $10,865,000 | |
| AIGH Capital Management LLC | 2.3% | 2,000,000 | 2.2% | $10,600,000 | |
| GEODE CAPITAL MANAGEMENT, LLC | 2% | 1,717,557 | +23% | 0% | $9,105,486 |
| J. Goldman & Co LP | 1.9% | 1,680,752 | +77% | 0.41% | $8,907,986 |
| GOLDMAN SACHS GROUP INC | 1.7% | 1,484,003 | -0.76% | 0% | $7,865,216 |
| Qube Research & Technologies Ltd | 1.7% | 1,476,028 | +479% | 0.01% | $7,822,948 |
| ACORN CAPITAL ADVISORS, LLC | 1.7% | 1,469,153 | 0% | 2.2% | $7,786,511 |
| NEXTBio Capital Management LP | 1.5% | 1,306,800 | -0.04% | 3.2% | $6,926,040 |
| FRANKLIN RESOURCES INC | 1.3% | 1,105,885 | +19% | 0% | $5,861,190 |
| Logos Global Management LP | 1.1% | 1,000,000 | -41% | 0.27% | $5,300,000 |
| Ishara Investments LP | 0.94% | 820,000 | +204% | 4.4% | $4,346,000 |
| Longaeva Partners L.P. | 0.92% | 807,755 | 0.21% | $4,281,102 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
12
Latest
Q1 2026
Rows shown
1-12 of 12
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 81,383,910 | $431,469,148 | -$6,896,250 | $5.30 | 154 |
| 2025 Q4 | 76,501,265 | $590,585,869 | +$94,102,234 | $7.72 | 142 |
| 2025 Q3 | 59,623,619 | $526,453,168 | +$99,234,089 | $8.83 | 117 |
| 2025 Q2 | 52,579,871 | $218,248,088 | +$27,001,542 | $4.15 | 108 |
| 2025 Q1 | 43,276,151 | $260,961,400 | +$53,029,028 | $6.03 | 98 |
| 2024 Q4 | 33,863,058 | $175,077,129 | +$45,200,535 | $5.17 | 90 |
| 2024 Q3 | 26,590,058 | $80,398,256 | +$34,219,258 | $2.99 | 76 |
| 2024 Q2 | 14,536,365 | $43,320,696 | -$62,700,412 | $2.98 | 66 |
| 2024 Q1 | 16,867,597 | $198,997,762 | +$3,544,853 | $11.80 | 69 |
| 2023 Q4 | 16,678,830 | $135,764,956 | -$559,497 | $8.14 | 57 |
| 2023 Q3 | 16,747,399 | $136,152,780 | +$6,463,854 | $8.13 | 56 |
| 2023 Q2 | 16,115,155 | $119,896,447 | +$119,896,447 | $7.44 | 59 |