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Mersana Therapeutics
MRSN

Overview Fund Activity

29 hedge funds and large institutions have $236M invested in Mersana Therapeutics in 2017 Q2 according to their latest regulatory filings, with 29 funds opening new positions, increasing their positions, reducing their positions, and closing their positions.

Holders
29
Holders Change
+29
Holders Change %
–
% of All Funds
0.72%
Holding in Top 10
3
Holding in Top 10 Change
+3
Holding in Top 10 Change %
%
% of All Funds
0.07%
New
29
Increased
–
Reduced
–
Closed
–
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
NMC
1
NEA Management Company
Maryland
$114M
2
Wellington Management Group
2
Wellington Management Group
Massachusetts
$28.3M
3
Fidelity Investments
3
Fidelity Investments
Massachusetts
$23.9M
4
RSCM
4
Rock Springs Capital Management
Maryland
$21.3M
5
PAI
5
ProQuest Associates IV
Florida
$13.4M

Top Sellers

No sellers this quarter
Name Market Value Shares Shares
Change 		Shares
Change %
NMC
1
NEA Management Company
Maryland
$114M 8,144,267 +8,144,267 New
Wellington Management Group
2
Wellington Management Group
Massachusetts
$28.3M 2,047,344 +2,047,344 New
Fidelity Investments
3
Fidelity Investments
Massachusetts
$23.9M 1,735,061 +1,735,061 New
RSCM
4
Rock Springs Capital Management
Maryland
$21.3M 1,527,893 +1,527,893 New
PAI
5
ProQuest Associates IV
Florida
$13.4M 955,709 +955,709 New
RCP
6
Rho Capital Partners
New York
$11.4M 818,033 +818,033 New
ACH
7
ArrowMark Colorado Holdings
Colorado
$4.89M 350,000 +350,000 New
JPMorgan Chase & Co
8
JPMorgan Chase & Co
New York
$4.76M 341,025 +341,025 New
SCM
9
Scopia Capital Management
New York
$2.85M 203,626 +203,626 New
Alyeska Investment Group
10
Alyeska Investment Group
Illinois
$1.75M 125,000 +125,000 New
MIM
11
Monashee Investment Management
Massachusetts
$1.51M 107,772 +107,772 New
CAM
12
Cormorant Asset Management
Massachusetts
$1.12M 79,798 +79,798 New
Vanguard Group
13
Vanguard Group
Pennsylvania
$1.05M 75,000 +75,000 New
Tudor Investment Corp
14
Tudor Investment Corp
Connecticut
$989K 70,783 +70,783 New
Millennium Management
15
Millennium Management
New York
$853K 61,029 +61,029 New
Victory Capital Management
16
Victory Capital Management
Texas
$754K 54,000 +54,000 New
LCM
17
Laurion Capital Management
New York
$699K 50,000 +50,000 New
Goldman Sachs
18
Goldman Sachs
New York
$699K 50,000 +50,000 New
DekaBank Deutsche Girozentrale
19
DekaBank Deutsche Girozentrale
Germany
$676K 50,000 +50,000 New
SSA
20
Schonfeld Strategic Advisors
New York
$489K 35,000 +35,000 New
Norges Bank
21
Norges Bank
Norway
$279K 20,000 +20,000 New
ZP
22
Zimmer Partners
New York
$279K 20,000 +20,000 New
HI
23
HBK Investments
Texas
$279K 20,000 +20,000 New
Citadel Advisors
24
Citadel Advisors
Florida
$179K 12,824 +12,824 New
Credit Agricole
25
Credit Agricole
France
$70K 5,000 +5,000 New
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