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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
JP Morgan Chase
JP Morgan Chase
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
26
$108K
27
$100K
28
$95K
29
$88K
30
$83K
31
$79K
32
$78K
33
$67K
34
$66K
35
$53K
36
$49K
37
$45K
38
$34K
39
$30K
40
$23K
41
$21K
42
$18K
43
$14K
44
$8K
45
$4K
46
$2K
47
$1.16K
48
$1K
49
50