RTW Investments’s Verastem VSTM Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$34.9M Hold
6,576,306
0.35% 50
2025
Q4
$50.8M Buy
6,576,306
+1,150,000
+21% +$10.2M 0.51% 48
2025
Q3
$47.9M Buy
5,426,306
+1,174,690
+28% +$8.74M 0.59% 41
2025
Q2
$17.6M Buy
4,251,616
+6,140
+0.1% +$38.5K 0.25% 53
2025
Q1
$25.6M Buy
+4,245,476
New +$25.9M 0.39% 39

Other funds holding VSTM

RTW Investments's VSTM Position: Q1 2026 in Review

RTW Investments held its Verastem (VSTM) position steady in Q1 2026 at 6,576,306 shares worth $34.9M. The position accounts for 0.35% of the portfolio, ranked #50.

RTW Investments first reported a position in VSTM in Q1 2025 and has held it in 5 quarters since. The position peaked at $50.8M in Q4 2025. 155 funds tracked by Wall St. Rank hold VSTM as of Q1 2026.

  • RTW Investments held 6,576,306 shares of Verastem worth $34.9M as of Q1 2026.
  • RTW Investments left its Verastem share count unchanged in Q1 2026.
  • Verastem made up 0.35% of RTW Investments's portfolio in Q1 2026, its #50 holding.
  • RTW Investments first reported a position in Verastem in Q1 2025 and has held it in 5 quarters since.
  • RTW Investments's Verastem position peaked at $50.8M in Q4 2025.
  • 155 funds tracked by Wall St. Rank held Verastem as of Q1 2026.

Based on RTW Investments's 13F filing for Q1 2026, filed 15 May 2026.