DM
MRUS

Deerfield Management’s Merus MRUS Stock Holding History

Deerfield Management’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
-3,046,916
Closed -$287M – 167
2025
Q3 		$287M Sell
3,046,916
-337,712
-10% -$22M 4.38% 3
2025
Q2 		$178M Buy
3,384,628
+210,700
+7% +$9.91M 3.23% 4
2025
Q1 		$134M Buy
3,173,928
+201,141
+7% +$8.77M 2.64% 7
2024
Q4 		$125M Sell
2,972,787
-435,752
-13% -$20.9M 2.37% 7
2024
Q3 		$170M Buy
3,408,539
+659,138
+24% +$34.4M 2.54% 4
2024
Q2 		$163M Buy
2,749,401
+100,000
+4% +$4.84M 2.71% 7
2024
Q1 		$119M Sell
2,649,401
-370,500
-12% -$15M 2.08% 12
2023
Q4 		$83M Sell
3,019,901
-857,037
-22% -$20M 1.53% 20
2023
Q3 		$91.4M Buy
3,876,938
+845,000
+28% +$20.5M 2.01% 16
2023
Q2 		$79.8M Buy
3,031,938
+651,500
+27% +$14.3M 1.7% 18
2023
Q1 		$43.8M Hold
2,380,438
– – 0.98% 32
2022
Q4 		$36.8M Sell
2,380,438
-141,115
-6% -$2.48M 0.76% 39
2022
Q3 		$50.5M Buy
2,521,553
+535,629
+27% +$12.8M 1.01% 33
2022
Q2 		$45M Buy
1,985,924
+1,548,924
+354% +$32.3M 0.93% 40
2022
Q1 		$11.6M Hold
437,000
– – 0.26% 67
2021
Q4 		$13.9M Buy
+437,000
New +$12.3M 0.29% 73

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 $7.72B AUM 32.88% 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 $171B AUM 85% 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

Deerfield Management's MRUS Position: Q4 2025 in Review

Deerfield Management sold out of Merus (MRUS) in Q4 2025, closing a stake of 3,046,916 shares — an estimated $287M sold.

Deerfield Management first reported a position in MRUS in Q4 2021 and held it in 16 quarters. The position peaked at $287M in Q3 2025. 10 funds tracked by Wall St. Rank hold MRUS as of Q4 2025.

  • Deerfield Management reported no remaining Merus position as of Q4 2025 after selling out during the quarter.
  • Deerfield Management sold 3,046,916 Merus shares in Q4 2025, an estimated $287M.
  • Deerfield Management first reported a position in Merus in Q4 2021 and held it in 16 quarters.
  • Deerfield Management's Merus position peaked at $287M in Q3 2025.
  • 10 funds tracked by Wall St. Rank held Merus as of Q4 2025.

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