SAM
MRSN

Smartleaf Asset Management’s Mersana Therapeutics MRSN Stock Holding History

Smartleaf Asset Management’s Portfolio MRSN Stock Details MRSN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q1 		– Sell
-161
Closed -$5.7K – 2955
2024
Q4 		$5.7K Sell
161
-49
-23% -$2.54K ﹤0.01% 2204
2024
Q3 		$9.72K Buy
210
+134
+176% +$5.91K ﹤0.01% 1773
2024
Q2 		$3.81K Buy
+76
New +$5.5K ﹤0.01% 1933

Other funds holding MRSN

NI
Nextech Invest Zurich, Switzerland $2.11B AUM 413.84% 1-Year Est. Return
BCLSI
Bain Capital Life Sciences Investors Boston, Massachusetts $1.68B AUM 126.09% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
SSA
Schonfeld Strategic Advisors New York $27.9B AUM 51.18% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
RSCM
Rock Springs Capital Management Baltimore, Maryland $2.05B AUM 161.37% 1-Year Est. Return
VA
VR Adviser New York $3.3B AUM 525.74% 1-Year Est. Return
SCM
Silverarc Capital Management Boston, Massachusetts $962M AUM 524.64% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return

Smartleaf Asset Management's MRSN Position: Q1 2025 in Review

Smartleaf Asset Management sold out of Mersana Therapeutics (MRSN) in Q1 2025, closing a stake of 161 shares — an estimated $5.7K sold.

Smartleaf Asset Management first reported a position in MRSN in Q2 2024 and held it in 3 quarters. The position peaked at $9.72K in Q3 2024. 108 funds tracked by Wall St. Rank hold MRSN as of Q1 2025.

  • Smartleaf Asset Management reported no remaining Mersana Therapeutics position as of Q1 2025 after selling out during the quarter.
  • Smartleaf Asset Management sold 161 Mersana Therapeutics shares in Q1 2025, an estimated $5.7K.
  • Smartleaf Asset Management first reported a position in Mersana Therapeutics in Q2 2024 and held it in 3 quarters.
  • Smartleaf Asset Management's Mersana Therapeutics position peaked at $9.72K in Q3 2024.
  • 108 funds tracked by Wall St. Rank held Mersana Therapeutics as of Q1 2025.

Based on Smartleaf Asset Management's 13F filing for Q1 2025, filed 14 May 2025.