Citadel Advisors
MRUS

Citadel Advisors’s Merus MRUS Stock Holding History

Citadel Advisors’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
2025
Q4 		– Sell
-30,700
Closed -$2.89M – 13575
2025
Q3 		$2.89M Sell
30,700
-4,600
-13% -$300K ﹤0.01% 5365
2025
Q2 		$1.86M Buy
35,300
+25,600
+264% +$1.2M ﹤0.01% 5832
2025
Q1 		$408K Sell
9,700
-7,300
-43% -$318K ﹤0.01% 8933
2024
Q4 		$715K Sell
17,000
-3,000
-15% -$144K ﹤0.01% 7782
2024
Q3 		$999K Sell
20,000
-10,400
-34% -$543K ﹤0.01% 6869
2024
Q2 		$1.8M Buy
30,400
+1,200
+4% +$58.1K ﹤0.01% 5520
2024
Q1 		$1.31M Buy
29,200
+17,300
+145% +$702K ﹤0.01% 6372
2023
Q4 		$327K Sell
11,900
-11,100
-48% -$259K ﹤0.01% 8997
2023
Q3 		$542K Buy
23,000
+6,900
+43% +$167K ﹤0.01% 7882
2023
Q2 		$424K Sell
16,100
-1,400
-8% -$30.7K ﹤0.01% 8303
2023
Q1 		$322K Buy
17,500
+14,200
+430% +$247K ﹤0.01% 9232
2022
Q4 		$51.1K Buy
+3,300
New +$58.1K ﹤0.01% 12111

Other funds holding MRUS

DekaBank Deutsche Girozentrale
DekaBank Deutsche Girozentrale Frankfurt, Germany $60.6B AUM 23.27% 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 $910M AUM 27.02% 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 28.74% 1-Year Est. Return
PA
Parallel Advisors San Francisco, California $5.56B AUM 17.89% 1-Year Est. Return
IA
IFP Advisors Tampa, Florida $5.54B AUM 27.43% 1-Year Est. Return

Citadel Advisors's MRUS Position: Q4 2025 in Review

Citadel Advisors sold out of Merus (MRUS) in Q4 2025, closing a stake of 614,538 shares — an estimated $57.9M sold.

Citadel Advisors first reported a position in MRUS in Q2 2020 and held it in 20 quarters. The position peaked at $57.9M in Q3 2025. 10 funds tracked by Wall St. Rank hold MRUS as of Q4 2025.

  • Citadel Advisors reported no remaining Merus position as of Q4 2025 after selling out during the quarter.
  • Citadel Advisors sold 614,538 Merus shares in Q4 2025, an estimated $57.9M.
  • Citadel Advisors first reported a position in Merus in Q2 2020 and held it in 20 quarters.
  • Citadel Advisors's Merus position peaked at $57.9M in Q3 2025.
  • 10 funds tracked by Wall St. Rank held Merus as of Q4 2025.

Based on Citadel Advisors's 13F filing for Q4 2025, filed 17 Feb 2026.