OSAM
MRSN

O'Shaughnessy Asset Management’s Mersana Therapeutics MRSN Stock Holding History

O'Shaughnessy 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
2021
Q4 		– Sell
-26
Closed -$6K – 1996
2021
Q3 		$6K Hold
26
– – ﹤0.01% 2284
2021
Q2 		$9K Sell
26
-121
-82% -$45.8K ﹤0.01% 2018
2021
Q1 		$59K Hold
147
– – ﹤0.01% 1352
2020
Q4 		$97K Buy
147
+121
+465% +$67.3K ﹤0.01% 1078
2020
Q3 		$12K Hold
26
– – ﹤0.01% 1322
2020
Q2 		$15K Buy
+26
New +$8.88K ﹤0.01% 1192
2020
Q1 		– Sell
-26
Closed -$4K – 1607
2019
Q4 		$4K Buy
+26
New +$1.9K ﹤0.01% 1513

Other funds holding MRSN

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ACA
Avoro Capital Advisors New York $10.2B AUM 149.19% 1-Year Est. Return
BCLSI
Bain Capital Life Sciences Investors Boston, Massachusetts $1.11B AUM 171.34% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
SCM
Sarissa Capital Management Greenwich, Connecticut $158M AUM 103.7% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
BG
Bellevue Group Kuesnacht, Switzerland $4.2B AUM 54.85% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
RSCM
Rock Springs Capital Management Baltimore, Maryland $1.7B AUM 93.03% 1-Year Est. Return
O
OrbiMed New York $4.59B AUM 125.28% 1-Year Est. Return