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Thomas Steyer’s Verastem VSTM Stock Holding History

Thomas Steyer’s Portfolio VSTM Stock Details VSTM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-2,000,000
Closed -$15.4M – 199
2025
Q4 		$15.4M Buy
+2,000,000
New +$17.8M 0.07% 70
2020
Q2 		– Sell
-310,078
Closed -$9.82M – 125
2020
Q1 		$9.82M Buy
+310,078
New +$7.78M 0.08% 82

Other funds holding VSTM

RI
RTW Investments New York $11.7B AUM 174.13% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
DTC
Deep Track Capital Greenwich, Connecticut $6.87B AUM 205.24% 1-Year Est. Return
AC
Armistice Capital New York $8.17B AUM 68.82% 1-Year Est. Return
NCM
Nantahala Capital Management New Canaan, Connecticut $3.01B AUM 119.46% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
SCM
Stonepine Capital Management Bend, Oregon $177M AUM 91.13% 1-Year Est. Return
FCMV
Foresite Capital Management VI Larkspur, California $643M AUM 343.43% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return

Thomas Steyer's VSTM Position: Q1 2026 in Review

Thomas Steyer sold out of Verastem (VSTM) in Q1 2026, closing a stake of 2,000,000 shares — an estimated $15.4M sold.

Thomas Steyer first reported a position in VSTM in Q1 2020 and held it in 2 quarters. The position peaked at $15.4M in Q4 2025. 155 funds tracked by Wall St. Rank hold VSTM as of Q1 2026.

  • Thomas Steyer reported no remaining Verastem position as of Q1 2026 after selling out during the quarter.
  • Thomas Steyer sold 2,000,000 Verastem shares in Q1 2026, an estimated $15.4M.
  • Thomas Steyer first reported a position in Verastem in Q1 2020 and held it in 2 quarters.
  • Thomas Steyer's Verastem position peaked at $15.4M in Q4 2025.
  • 155 funds tracked by Wall St. Rank held Verastem as of Q1 2026.

Based on Farallon Capital Management's 13F filing for Q1 2026, filed 15 May 2026.