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Mersana Therapeutics
MRSN

Overview Fund Activity

46 hedge funds and large institutions have $198M invested in Mersana Therapeutics in 2018 Q3 according to their latest regulatory filings, with 3 funds opening new positions, 21 increasing their positions, 8 reducing their positions, and 10 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
46
Holders Change
-7
Holders Change %
-13.21%
% of All Funds
1.05%
Holding in Top 10
3
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-25%
% of All Funds
0.07%
New
3
Increased
21
Reduced
8
Closed
10
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
ACH
1
ArrowMark Colorado Holdings
Colorado
$18.4M
2
EC
2
EcoR1 Capital
California
$4.96M
3
Millennium Management
3
Millennium Management
New York
$3.7M
4
Vanguard Group
4
Vanguard Group
Pennsylvania
$6.01M
5
Geode Capital Management
5
Geode Capital Management
Massachusetts
$1.22M

Top Sellers

1
GTC
1
Ghost Tree Capital
New York
$0
2
Point72 Asset Management
2
Point72 Asset Management
Connecticut
$0
3
AllianceBernstein
3
AllianceBernstein
Tennessee
$0
4
Russell Investments Group
4
Russell Investments Group
United Kingdom
$0
5
Balyasny Asset Management
5
Balyasny Asset Management
Illinois
$361K
Name Holding Trade Value Shares
Change 		Shares
Change %
Manulife (Manufacturers Life Insurance)
51
Manulife (Manufacturers Life Insurance)
Ontario, Canada
– -$194K -434 Closed
SO
52
STRS Ohio
Ohio
– -$123K -276 Closed
CSS
53
Cubist Systematic Strategies
Connecticut
– -$29K -65 Closed
PHK
54
Point72 Hong Kong
Hong Kong
– -$12K -27 Closed
PIA
55
Piedmont Investment Advisors
North Carolina
– -$4K -9 Closed
SEI Investments
56
SEI Investments
Pennsylvania
– -$1K -1 Closed
1 2
3