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UBS O'Connor’s Verastem VSTM Stock Holding History

UBS O'Connor’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
2025
Q3 		– Sell
-255,253
Closed -$1.06M – 453
2025
Q2 		$1.06M Sell
255,253
-266,707
-51% -$1.67M 0.03% 210
2025
Q1 		$3.15M Sell
521,960
-86,564
-14% -$529K 0.07% 90
2024
Q4 		$3.15M Buy
608,524
+177,855
+41% +$700K 0.08% 119
2024
Q3 		$1.29M Buy
430,669
+330,280
+329% +$896K 0.03% 247
2024
Q2 		$299K Buy
100,389
+54,157
+117% +$446K 0.01% 396
2024
Q1 		$546K Sell
46,232
-15,571
-25% -$180K 0.02% 327
2023
Q4 		$503K Sell
61,803
-94,101
-60% -$676K 0.02% 350
2023
Q3 		$1.27M Buy
155,904
+5,000
+3% +$48K 0.02% 303
2023
Q2 		$1.12M Buy
150,904
+103,677
+220% +$720K 0.02% 372
2023
Q1 		$235K Hold
47,227
– – 0.01% 508
2022
Q4 		$228K Sell
47,227
-26,868
-36% -$132K ﹤0.01% 646
2022
Q3 		$756K Sell
74,095
-44,820
-38% -$625K 0.01% 771
2022
Q2 		$1.66M Buy
118,915
+65,582
+123% +$1.04M 0.02% 688
2022
Q1 		$902K Buy
+53,333
New +$918K 0.01% 712
2018
Q1 		– Sell
-16,667
Closed -$614K – 387
2017
Q4 		$614K Buy
+16,667
New +$753K 0.01% 257

Other funds holding VSTM

RI
RTW Investments New York $11.7B AUM 174.13% 1-Year Est. Return
Balyasny Asset Management
Balyasny Asset Management Chicago, Illinois $80.2B AUM 51.53% 1-Year Est. Return
LGM
Logos Global Management San Francisco, California $2.32B AUM 536.01% 1-Year Est. Return
Point72 Asset Management
Point72 Asset Management Stamford, Connecticut $90.7B AUM 77.13% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
SCM
Stonepine Capital Management Bend, Oregon $177M AUM 91.13% 1-Year Est. Return
VC
Vivo Capital Palo Alto, California $1.1B AUM 799.93% 1-Year Est. Return
FCMV
Foresite Capital Management VI Larkspur, California $643M AUM 343.43% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

UBS O'Connor's VSTM Position: Q3 2025 in Review

UBS O'Connor sold out of Verastem (VSTM) in Q3 2025, closing a stake of 255,253 shares — an estimated $1.06M sold.

UBS O'Connor first reported a position in VSTM in Q4 2017 and held it in 15 quarters. The position peaked at $3.15M in Q1 2025. 118 funds tracked by Wall St. Rank hold VSTM as of Q3 2025.

  • UBS O'Connor reported no remaining Verastem position as of Q3 2025 after selling out during the quarter.
  • UBS O'Connor sold 255,253 Verastem shares in Q3 2025, an estimated $1.06M.
  • UBS O'Connor first reported a position in Verastem in Q4 2017 and held it in 15 quarters.
  • UBS O'Connor's Verastem position peaked at $3.15M in Q1 2025.
  • 118 funds tracked by Wall St. Rank held Verastem as of Q3 2025.

Based on UBS O'Connor's 13F filing for Q3 2025, filed 14 Nov 2025.