AI
MRUS

Atom Investors’s Merus MRUS Stock Holding History

Atom Investors’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
Q3 		– Sell
-73,789
Closed -$3.88M – 747
2025
Q2 		$3.88M Sell
73,789
-40,369
-35% -$1.9M 0.34% 75
2025
Q1 		$4.8M Buy
114,158
+12,401
+12% +$541K 0.59% 41
2024
Q4 		$4.28M Buy
+101,757
New +$4.89M 0.53% 42
2024
Q3 		– Sell
-43,827
Closed -$2.59M – 555
2024
Q2 		$2.59M Sell
43,827
-26,744
-38% -$1.3M 0.26% 124
2024
Q1 		$3.18M Buy
70,571
+35,027
+99% +$1.42M 0.4% 73
2023
Q4 		$977K Buy
35,544
+21,976
+162% +$513K 0.17% 186
2023
Q3 		$320K Buy
+13,568
New +$329K 0.07% 313

Other funds holding MRUS

PBA
Paradigm Biocapital Advisors New York $4.89B AUM 251.12% 1-Year Est. Return
ACA
Avoro Capital Advisors New York $10.2B AUM 149.19% 1-Year Est. Return
CC
Commodore Capital New York $1.73B AUM 298.96% 1-Year Est. Return
DM
Deerfield Management New York $8.48B AUM 99.04% 1-Year Est. Return
HI
HBK Investments Dallas, Texas $9.85B AUM 55.6% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Westfield Capital Management
Westfield Capital Management Boston, Massachusetts $23.8B AUM 49.45% 1-Year Est. Return
RI
RTW Investments New York $10B AUM 135.35% 1-Year Est. Return
WP
Woodline Partners San Francisco, California $26.4B AUM 44.85% 1-Year Est. Return

Atom Investors's MRUS Position: Q3 2025 in Review

Atom Investors sold out of Merus (MRUS) in Q3 2025, closing a stake of 73,789 shares — an estimated $3.88M sold.

Atom Investors first reported a position in MRUS in Q3 2023 and held it in 7 quarters. The position peaked at $4.8M in Q1 2025. 268 funds tracked by Wall St. Rank hold MRUS as of Q3 2025.

  • Atom Investors reported no remaining Merus position as of Q3 2025 after selling out during the quarter.
  • Atom Investors sold 73,789 Merus shares in Q3 2025, an estimated $3.88M.
  • Atom Investors first reported a position in Merus in Q3 2023 and held it in 7 quarters.
  • Atom Investors's Merus position peaked at $4.8M in Q1 2025.
  • 268 funds tracked by Wall St. Rank held Merus as of Q3 2025.

Based on Atom Investors's 13F filing for Q3 2025, filed 14 Nov 2025.