AI
MRSN

Atom Investors’s Mersana Therapeutics MRSN Stock Holding History

Atom Investors’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
-1,063
Closed -$38K – 593
2024
Q4 		$38K Buy
1,063
+77
+8% +$3.98K ﹤0.01% 475
2024
Q3 		$46.6K Sell
986
-13,631
-93% -$601K ﹤0.01% 450
2024
Q2 		$735K Sell
14,617
-2,952
-17% -$213K 0.07% 286
2024
Q1 		$1.97M Sell
17,569
-13,417
-43% -$1.33M 0.25% 134
2023
Q4 		$1.8M Buy
30,986
+19,259
+164% +$775K 0.32% 107
2023
Q3 		$372K Buy
+11,727
New +$557K 0.08% 280
2022
Q4 		– Sell
-1,004
Closed -$170K – 283
2022
Q3 		$170K Buy
+1,004
New +$163K 0.06% 222
2021
Q1 		– Sell
-15,165
Closed -$10.1M – 373
2020
Q4 		$10.1M Buy
15,165
+941
+7% +$523K 1.08% 25
2020
Q3 		$6.62M Buy
14,224
+11,538
+430% +$5.83M 0.67% 32
2020
Q2 		$1.57M Buy
+2,686
New +$917K 0.17% 165

Other funds holding MRSN

NI
Nextech Invest Zurich, Switzerland $1.42B AUM 304.47% 1-Year Est. Return
BCLSI
Bain Capital Life Sciences Investors Boston, Massachusetts $1.11B AUM 171.34% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return
SSA
Schonfeld Strategic Advisors New York $12.3B AUM 37.17% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return
RSCM
Rock Springs Capital Management Baltimore, Maryland $1.7B AUM 93.03% 1-Year Est. Return
VA
VR Adviser New York $2.68B AUM 422.73% 1-Year Est. Return
SCM
Silverarc Capital Management Boston, Massachusetts $849M AUM 470.8% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return