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 – 1995
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 – 1606
2019
Q4 		$4K Buy
+26
New +$1.9K ﹤0.01% 1513

Other funds holding MRSN

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
ACA
Avoro Capital Advisors New York $11.1B AUM 207.82% 1-Year Est. Return
BCLSI
Bain Capital Life Sciences Investors Boston, Massachusetts $1.68B AUM 126.09% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
SCM
Sarissa Capital Management Greenwich, Connecticut $178M AUM 118.43% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
BG
Bellevue Group Kuesnacht, Switzerland $4.75B AUM 68.58% 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 $2.05B AUM 161.37% 1-Year Est. Return
O
OrbiMed New York $5.4B AUM 163.13% 1-Year Est. Return

O'Shaughnessy Asset Management's MRSN Position: Q4 2021 in Review

O'Shaughnessy Asset Management sold out of Mersana Therapeutics (MRSN) in Q4 2021, closing a stake of 26 shares — an estimated $6K sold.

O'Shaughnessy Asset Management first reported a position in MRSN in Q4 2019 and held it in 7 quarters. The position peaked at $97K in Q4 2020. 122 funds tracked by Wall St. Rank hold MRSN as of Q4 2021.

  • O'Shaughnessy Asset Management reported no remaining Mersana Therapeutics position as of Q4 2021 after selling out during the quarter.
  • O'Shaughnessy Asset Management sold 26 Mersana Therapeutics shares in Q4 2021, an estimated $6K.
  • O'Shaughnessy Asset Management first reported a position in Mersana Therapeutics in Q4 2019 and held it in 7 quarters.
  • O'Shaughnessy Asset Management's Mersana Therapeutics position peaked at $97K in Q4 2020.
  • 122 funds tracked by Wall St. Rank held Mersana Therapeutics as of Q4 2021.

Based on O'Shaughnessy Asset Management's 13F filing for Q4 2021, filed 11 Feb 2022.