Verastem Ownership | Who Owns Verastem?
Verastem Ownership Summary
Verastem is owned by 97.03% institutional investors, 0.90% insiders, and 2.07% retail investors. Blackrock funding, inc. /de is the largest institutional shareholder, holding 9.35% of VSTM shares. Vanguard Morn Total Stk Mkt Idx Investor is the top mutual fund, with 3.20% of its assets in Verastem shares.
VSTM Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Verastem | 97.03% | 0.90% | 2.07% |
| Sector | Healthcare Stocks | 246.48% | 12.12% | -158.60% |
| Industry | Biotech Stocks | 384.82% | 11.76% | -296.58% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Blackrock funding, inc. /de | 9.19M | 9.35% | $35.12M |
| Armistice capital | 7.02M | 7.15% | $26.83M |
| Rtw investments, lp | 6.64M | 6.75% | $25.35M |
| Deep track capital, lp | 5.74M | 5.84% | $21.93M |
| Vanguard group | 4.15M | 5.68% | $32.06M |
| State street | 5.13M | 5.22% | $19.61M |
| Rosalind advisors | 3.99M | 4.06% | $15.23M |
| Vanguard capital management | 3.85M | 3.92% | $14.71M |
| Nantahala capital management | 3.58M | 3.65% | $13.69M |
| Stonepine capital management | 3.35M | 3.41% | $12.80M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Stonepine capital management | 3.35M | 5.99% | $12.80M |
| Rosalind advisors | 3.99M | 5.66% | $15.23M |
| Foresite capital management vi | 3.15M | 1.87% | $12.02M |
| Acorn capital advisors | 1.47M | 1.53% | $5.61M |
| Exome asset management | 429.04K | 1.01% | $1.64M |
| Opaleye management | 1.80M | 0.62% | $6.88M |
| Aigh capital management | 1.93M | 0.46% | $7.36M |
| Nantahala capital management | 3.58M | 0.46% | $13.69M |
| Armistice capital | 7.02M | 0.33% | $26.83M |
| Deep track capital, lp | 5.74M | 0.32% | $21.93M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Blackrock funding, inc. /de | 9.19M | 0.00% | 3.00M |
| Armistice capital | 7.02M | 0.33% | 2.43M |
| Baker bros. advisors lp | 2.50M | 0.05% | 1.91M |
| Rosalind advisors | 3.99M | 5.66% | 1.85M |
| Opaleye management | 1.80M | 0.62% | 1.80M |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Polar capital | - | - | -3.93M |
| Bvf inc/il | - | - | -3.40M |
| Farallon capital management | - | - | -2.00M |
| Citadel advisors | 317.33K | 0.00% | -1.99M |
| Octagon capital advisors lp | - | - | -1.72M |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Opaleye management | 1.80M | 0.62% | 1.80M | $6.88M |
| Diametric capital, lp | 265.54K | 0.11% | 265.54K | $1.01M |
| Sixth street partners management company | 243.95K | 0.00% | 243.95K | $931.89K |
| Dimensional fund advisors lp | 235.21K | 0.00% | 235.21K | $898.49K |
| Janney montgomery scott | 152.44K | 0.00% | 152.44K | $582.00K |
Sold Out
| Holder | Change |
|---|---|
| Evermay wealth management | -6.00 |
| Quadrant capital group | -7.00 |
| Grove bank & trust | -8.00 |
| Federation des caisses desjardins du quebec | -13.00 |
| Wealthspire advisors | -20.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2026 | 166 | 2.47% | 95,373,878 | 17.19% | 97 | 1.42% | 103 | -8.85% | 38 | 46.15% |
| Mar 31, 2026 | 56 | -62.67% | 10,462,403 | -86.32% | 12 | 0.11% | 35 | -63.54% | 13 | -58.06% |
| Dec 31, 2025 | 81 | -34.15% | 38,606,066 | -35.25% | 52 | 0.65% | 52 | -24.64% | 16 | -56.76% |
| Sep 30, 2025 | 118 | 2.61% | 56,748,047 | 7.93% | 85 | 1.36% | 66 | -12.00% | 36 | 63.64% |
| Jun 30, 2025 | 115 | 12.75% | 52,579,832 | 21.50% | 79 | 1.25% | 74 | 34.55% | 22 | -18.52% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Morn Total Stk Mkt Idx Investor | 2.81M | 3.20% | 511.76K |
| Vanguard Total Stock Mkt Idx Inv | 2.81M | 3.20% | 511.76K |
| Vanguard MStar Total Stk Mkt Idx Invest | 2.81M | 3.11% | - |
| State Street® SPDR® S&P® Biotech ETF | 2.26M | 2.50% | -43.20K |
| Vanguard US Total Market Shares ETF | 1.22M | 2.37% | - |
| iShares Russell 2000 ETF | 2.14M | 2.36% | -24.64K |
| RTW Biotech Opportunities Ord | 2.10M | 2.33% | 182.32K |
| SPDR® S&P Biotech ETF | 1.28M | 2.08% | 2.85K |
| Vanguard Explorer Inv | 1.40M | 1.54% | 1.23M |
| Kennedy Micro Cap | 547.19K | 1.36% | 359.19K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Oct 01, 2026 | Paterson Dan | President and CEO | Sell | $352.97K |
| Oct 01, 2026 | Calkins Daniel | Chief Financial Officer | Sell | $20.53K |
| Sep 21, 2026 | Calkins Daniel | Chief Financial Officer | Sell | $423.50 |
| Aug 03, 2026 | Paterson Dan | President and CEO | Sell | $7.56K |
| Jun 22, 2026 | Paterson Dan | President and CEO | Sell | $87.24K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q4 | - | 2 |
| 2026 Q3 | - | 2 |
| 2026 Q2 | - | 4 |
| 2026 Q1 | - | 3 |
| 2025 Q4 | - | 23 |
VSTM Ownership FAQ
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