SIM
MRSN

Spark Investment Management’s Mersana Therapeutics MRSN Stock Holding History

Spark Investment 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
2019
Q3 		– Sell
-4,283
Closed -$433K – 473
2019
Q2 		$433K Buy
4,283
+2,171
+103% +$256K 0.03% 386
2019
Q1 		$277K Buy
2,112
+144
+7% +$18.1K 0.01% 462
2018
Q4 		$200K Buy
+1,968
New +$311K 0.01% 498
2018
Q2 		– Sell
-997
Closed -$393K – 700
2018
Q1 		$393K Buy
997
+477
+92% +$188K 0.03% 426
2017
Q4 		$213K Sell
520
-228
-30% -$99.4K 0.01% 562
2017
Q3 		$323K Buy
+748
New +$295K 0.02% 547

Other funds holding MRSN

NMC
NEA Management Company Timonium, Maryland $1.76B AUM 223.33% 1-Year Est. Return
BI
BVF Inc San Francisco, California $3.14B AUM 249.53% 1-Year Est. Return
SCM
Sarissa Capital Management Greenwich, Connecticut $158M AUM 103.7% 1-Year Est. Return
BlackRock
BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return
O
OrbiMed New York $4.59B AUM 125.28% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BC
Boxer Capital San Diego, California $2.04B AUM 108.39% 1-Year Est. Return
RSCM
Rock Springs Capital Management Baltimore, Maryland $1.7B AUM 93.03% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.47T AUM 27.86% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return