UOC
MRUS

UBS O'Connor’s Merus MRUS Stock Holding History

UBS O'Connor’s Portfolio MRUS Stock Details MRUS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2024
Q3 		– Sell
-15,000
Closed -$36.8K – 571
2024
Q2 		$36.8K Sell
15,000
-5,000
-25% -$242K ﹤0.01% 461
2024
Q1 		$53K Buy
+20,000
New +$811K ﹤0.01% 440

Other funds holding MRUS

DekaBank Deutsche Girozentrale
DekaBank Deutsche Girozentrale Frankfurt, Germany $59.2B AUM 26.02% 1-Year Est. Return
XT
XTX Topco George Town, Cayman Islands $5.75B AUM 30.56% 1-Year Est. Return
BIG
Brooklyn Investment Group Brooklyn, New York $3.2B AUM 26.32% 1-Year Est. Return
NAM
NTV Asset Management Charleston, West Virginia $1.02B AUM 31.16% 1-Year Est. Return
FFA
Farther Finance Advisors San Francisco, California $12.8B AUM 26.53% 1-Year Est. Return
Simplex Trading
Simplex Trading Chicago, Illinois $149B AUM 62.07% 1-Year Est. Return
EWA
EverSource Wealth Advisors Birmingham, Alabama $2.97B AUM 28.72% 1-Year Est. Return
PA
Parallel Advisors San Francisco, California $6.56B AUM 32.24% 1-Year Est. Return
IA
IFP Advisors Tampa, Florida $5.54B AUM 27.43% 1-Year Est. Return

UBS O'Connor's MRUS Position: Q4 2025 in Review

UBS O'Connor sold out of Merus (MRUS) in Q4 2025, closing a stake of 654,126 shares — an estimated $61.6M sold.

UBS O'Connor first reported a position in MRUS in Q2 2022 and held it in 13 quarters. The position peaked at $61.6M in Q3 2025. 10 funds tracked by Wall St. Rank hold MRUS as of Q4 2025.

  • UBS O'Connor reported no remaining Merus position as of Q4 2025 after selling out during the quarter.
  • UBS O'Connor sold 654,126 Merus shares in Q4 2025, an estimated $61.6M.
  • UBS O'Connor first reported a position in Merus in Q2 2022 and held it in 13 quarters.
  • UBS O'Connor's Merus position peaked at $61.6M in Q3 2025.
  • 10 funds tracked by Wall St. Rank held Merus as of Q4 2025.

Based on UBS O'Connor's 13F filing for Q4 2025, filed 13 Feb 2026.