Mersana Therapeutics Inc. (MRSN)

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Hedge Fund Holdings
Filing Period:
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No. Hedge Fund Shares Value Activity % Port
1.
EcoR1 Capital

Oleg Nodelman

19,364,688 $44,926,076 1.16%
2. 9,698,147 $22,499,701 +93% 0.04%
3.
SilverArc Capital

Devesh Gandhi

6,420,136 $14,894,716 +29% 4.43%
4.
Millennium Management

Israel Englander

3,394,440 $7,875,101 +56% 0%
5.
Rock Springs Capital Management

Kris Jenner, Gordon Bussard, Graham Mcphail

3,046,782 $7,068,534 -11% 0.17%