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 $1.59B AUM 234.06% 1-Year Est. Return
BI
BVF Inc San Francisco, California $3.91B AUM 304.52% 1-Year Est. Return
SCM
Sarissa Capital Management Greenwich, Connecticut $178M AUM 118.43% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
O
OrbiMed New York $5.4B AUM 163.13% 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 $2.05B AUM 161.37% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

Spark Investment Management's MRSN Position: Q3 2019 in Review

Spark Investment Management sold out of Mersana Therapeutics (MRSN) in Q3 2019, closing a stake of 4,283 shares — an estimated $433K sold.

Spark Investment Management first reported a position in MRSN in Q3 2017 and held it in 6 quarters. The position peaked at $433K in Q2 2019. 76 funds tracked by Wall St. Rank hold MRSN as of Q3 2019.

  • Spark Investment Management reported no remaining Mersana Therapeutics position as of Q3 2019 after selling out during the quarter.
  • Spark Investment Management sold 4,283 Mersana Therapeutics shares in Q3 2019, an estimated $433K.
  • Spark Investment Management first reported a position in Mersana Therapeutics in Q3 2017 and held it in 6 quarters.
  • Spark Investment Management's Mersana Therapeutics position peaked at $433K in Q2 2019.
  • 76 funds tracked by Wall St. Rank held Mersana Therapeutics as of Q3 2019.

Based on Spark Investment Management's 13F filing for Q3 2019, filed 12 Nov 2019.