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Mersana Therapeutics

65 hedge funds and large institutions have $194M invested in Mersana Therapeutics in 2019 Q1 according to their latest regulatory filings, with 21 funds opening new positions, 26 increasing their positions, 9 reducing their positions, and 4 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
65
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
Puts
Net Calls
Net Calls Change

Top Buyers

1 +$19.7M
2 +$19.7M
3 +$13.2M
4
EC
EcoR1 Capital
California
+$12.1M
5
O
OrbiMed
New York
+$9.95M

Top Sellers

1 -$1.45M
2 -$1.37M
3 -$158K
4
Morgan Stanley
Morgan Stanley
New York
-$66.3K
5
TRCT
Tower Research Capital (TRC)
New York
-$48.4K
Name Holding Trade Value Shares
Change
Change in
Stake
1
$62.6M
2
$19.7M
3
$16.9M
4
$13.2M
5
$12.1M
6
$9.95M
7
$8.07M
8
$7.89M
9
$7.36M
10
$5.08M
11
$4.72M
12
$4.33M
13
$4.19M
14
$2.12M
15
$1.94M
16
$1.35M
17
$1.05M
18
$1.04M
19
$1.01M
20
$947K
21
$938K
22
$918K
23
$618K
24
$603K
25
$503K