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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
26
$475K
27
$442K
28
$362K
29
$287K
30
$277K
31
$269K
32
$262K
33
$245K
34
$204K
35
$203K
36
$184K
37
$183K
38
$141K
39
$140K
40
$136K
41
$128K
42
$123K
43
$110K
44
$107K
45
$105K
46
$100K
47
$89K
48
$88K
49
$75K
50
$71K