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UBS O'Connor’s Scholar Rock SRRK Stock Holding History

UBS O'Connor’s Portfolio SRRK Stock Details SRRK Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q3 		– Sell
-25,426
Closed -$901K – 433
2025
Q2 		$901K Sell
25,426
-2,191
-8% -$68.8K 0.02% 234
2025
Q1 		$888K Buy
+27,617
New +$1.06M 0.02% 195
2024
Q2 		– Sell
-41,378
Closed -$735K – 629
2024
Q1 		$735K Sell
41,378
-43,751
-51% -$689K 0.02% 305
2023
Q4 		$1.6M Sell
85,129
-127,452
-60% -$1.58M 0.05% 211
2023
Q3 		$1.51M Buy
212,581
+10,000
+5% +$67.2K 0.03% 283
2023
Q2 		$1.53M Buy
202,581
+67,025
+49% +$506K 0.03% 338
2023
Q1 		$1.08M Buy
135,556
+6,455
+5% +$65.5K 0.03% 395
2022
Q4 		$1.17M Buy
129,101
+19,851
+18% +$159K 0.02% 547
2022
Q3 		$757K Sell
109,250
-5,750
-5% -$47.9K 0.01% 770
2022
Q2 		$631K Buy
+115,000
New +$826K 0.01% 799

Other funds holding SRRK

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
SL
Siren LLC Greenwich, Connecticut $4.94B AUM 244.43% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
SB
Samsara BioCapital Palo Alto, California $1.22B AUM 242.83% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
RG
Redmile Group San Francisco, California $1.49B AUM 208.7% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
BG
Bellevue Group Kuesnacht, Switzerland $4.75B AUM 68.58% 1-Year Est. Return

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

UBS O'Connor sold out of Scholar Rock (SRRK) in Q3 2025, closing a stake of 25,426 shares — an estimated $901K sold.

UBS O'Connor first reported a position in SRRK in Q2 2022 and held it in 10 quarters. The position peaked at $1.6M in Q4 2023. 241 funds tracked by Wall St. Rank hold SRRK as of Q3 2025.

  • UBS O'Connor reported no remaining Scholar Rock position as of Q3 2025 after selling out during the quarter.
  • UBS O'Connor sold 25,426 Scholar Rock shares in Q3 2025, an estimated $901K.
  • UBS O'Connor first reported a position in Scholar Rock in Q2 2022 and held it in 10 quarters.
  • UBS O'Connor's Scholar Rock position peaked at $1.6M in Q4 2023.
  • 241 funds tracked by Wall St. Rank held Scholar Rock as of Q3 2025.

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