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Mersana Therapeutics

48 hedge funds and large institutions have $70M invested in Mersana Therapeutics in 2018 Q4 according to their latest regulatory filings, with 9 funds opening new positions, 12 increasing their positions, 15 reducing their positions, and 6 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
48
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
1
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 +$2.24M
2 +$1.37M
3 +$764K
4
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
+$434K
5
HP
Hikari Power
Japan
+$348K

Top Sellers

1 -$7.19M
2 -$4.96M
3 -$1.36M
4
Millennium Management
Millennium Management
New York
-$1.33M
5
BlackRock
BlackRock
New York
-$995K
Name Holding Trade Value Shares
Change
Change in
Stake
1
$33.2M
2
$8.27M
3
$4.08M
4
$3.94M
5
$3.25M
6
$3.19M
7
$2.24M
8
$1.73M
9
$1.45M
10
$1.37M
11
$1.09M
12
$1.04M
13
$717K
14
$567K
15
$523K
16
$472K
17
$348K
18
$277K
19
$200K
20
$200K
21
$181K
22
$160K
23
$158K
24
$129K
25
$121K