Verastem
VSTM
157 hedge funds and large institutions have $363M invested in Verastem in 2026 Q2 according to their latest regulatory filings, with 34 funds opening new positions, 68 increasing their positions, 37 reducing their positions, and 29 closing their positions.
84% more repeat investments, than reductions
Existing positions increased: 68 | Existing positions reduced: 37
17% more first-time investments, than exits
New positions opened: 34 | Existing positions closed: 29
15.57% more ownership
Funds ownership: 92.66% → 108.22% (+16%)
1% more funds holding
Funds holding: 155 → 157 (+2)
16% less capital invested
Capital invested by funds: $432M → $363M (-$68.5M)
50% less funds holding in top 10
Funds holding in top 10: 4 → 2 (-2)
50% less call options, than puts
Call options by funds: $1.06M | Put options by funds: $2.15M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
+$14.5M |
| 2 |
Vanguard Portfolio Management
Malvern,
Pennsylvania
|
+$12.1M |
| 3 |
AC
Armistice Capital
New York
|
+$11.8M |
| 4 |
BBA
Baker Bros. Advisors
New York
|
+$9.26M |
| 5 |
RA
Rosalind Advisors
Toronto,
Ontario, Canada
|
+$8.94M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Citadel Advisors
Miami,
Florida
|
-$9.63M |
| 2 |
Morgan Stanley
New York
|
-$7.41M |
| 3 |
LGM
Logos Global Management
San Francisco,
California
|
-$5.3M |
| 4 |
JGC
J. Goldman & Co
New York
|
-$4.99M |
| 5 |
II
Ishara Investments
Los Angeles,
California
|
-$4.35M |
VSTM Hedge Fund Activity: Q2 2026 in Review
157 of the 8,305 institutional investors tracked by Wall St. Rank reported a position in Verastem (VSTM) for Q2 2026, worth a combined $363M — down 16% from $432M a quarter earlier.
Buyers outnumbered sellers: 34 funds opened new VSTM positions and 29 closed out — a net gain of 5 holders — while 68 added to existing stakes and 37 trimmed.
The largest buyer was BlackRock, adding an estimated $14.5M. The largest seller was Citadel Advisors, cutting an estimated $9.63M.
- 157 institutional investors held Verastem (VSTM) as of Q2 2026, up from 155 in Q1 2026.
- Funds reported $363M of Verastem stock for Q2 2026, down 16% quarter-over-quarter.
- 34 funds opened new Verastem positions in Q2 2026 and 29 closed out, a net change of +5 holders.
- The largest Verastem buyer in Q2 2026 was BlackRock, an estimated $14.5M added.
- The largest Verastem seller in Q2 2026 was Citadel Advisors, an estimated $9.63M sold.
Based on aggregated 13F filings for Q2 2026.