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Mersana Therapeutics
MRSN

Overview Fund Activity

128 hedge funds and large institutions have $322M invested in Mersana Therapeutics in 2022 Q1 according to their latest regulatory filings, with 21 funds opening new positions, 49 increasing their positions, 38 reducing their positions, and 15 closing their positions.

Holders
128
Holders Change
+6
Holders Change %
+4.92%
% of All Funds
2.03%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.03%
New
21
Increased
49
Reduced
38
Closed
15
Calls
$42K
Puts
$372K
Net Calls
-$330K
Net Calls Change
+$608K

Top Buyers

1
Millennium Management
1
Millennium Management
New York
$19.5M
2
O
2
OrbiMed
New York
$19.1M
3
D.E. Shaw & Co
3
D.E. Shaw & Co
New York
$8.34M
4
Bank of Montreal
4
Bank of Montreal
Ontario, Canada
$4.67M
5
BCLSI
5
Bain Capital Life Sciences Investors
Massachusetts
$26M

Top Sellers

1
Wellington Management Group
1
Wellington Management Group
Massachusetts
$1.92M
2
State Street
2
State Street
Massachusetts
$5.4M
3
Assenagon Asset Management
3
Assenagon Asset Management
Luxembourg
$0
4
Point72 Asset Management
4
Point72 Asset Management
Connecticut
$0
5
Rafferty Asset Management
5
Rafferty Asset Management
New York
$0
Name Market Value Shares Shares
Change 		Shares
Change %
Federated Hermes
26
Federated Hermes
Pennsylvania
$2.89M 723,933 +521,350 +257%
OM
27
Opaleye Management
Massachusetts
$2.83M 710,000 +710,000 New
Citadel Advisors
28
Citadel Advisors
Florida
$2.74M 686,689 +378,182 +123%
BNP Paribas Financial Markets
29
BNP Paribas Financial Markets
France
$2.6M 652,613 +34,197 +6%
PIM
30
Platinum Investment Management
Australia
$1.98M 495,481 – –
Squarepoint
31
Squarepoint
New York
$1.95M 488,997 +422,325 +633%
Wellington Management Group
32
Wellington Management Group
Massachusetts
$1.92M 480,644 -4,536,434 -90%
Charles Schwab
33
Charles Schwab
California
$1.85M 464,660 -23,345 -5%
Hudson Bay Capital Management
34
Hudson Bay Capital Management
Connecticut
$1.74M 435,000 +145,000 +50%
PCM
35
Pinz Capital Management
New York
$1.6M 400,000 +400,000 New
Walleye Capital
36
Walleye Capital
New York
$1.57M 394,250 -510 -0.1%
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
37
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$1.51M 379,000 +379,000 New
DCM
38
DAFNA Capital Management
California
$1.41M 352,763 +212,500 +152%
EC
39
EcoR1 Capital
California
$1.3M 326,578 +326,578 New
PP
40
PDT Partners
New York
$1.3M 326,419 +214,749 +192%
FAM
41
Fred Alger Management
New York
$1.29M 323,068 +94,578 +41%
JPMorgan Chase & Co
42
JPMorgan Chase & Co
New York
$1.24M 309,629 +278,047 +880%
Nuveen Asset Management
43
Nuveen Asset Management
Illinois
$1.2M 299,450 +6,493 +2%
Qube Research & Technologies (QRT)
44
Qube Research & Technologies (QRT)
United Kingdom
$1.2M 299,454 +241,697 +418%
CSS
45
Cubist Systematic Strategies
Connecticut
$1.14M 285,994 +173,682 +155%
Bank of New York Mellon
46
Bank of New York Mellon
New York
$1.13M 283,095 +3,165 +1%
ECM
47
ExodusPoint Capital Management
New York
$1.11M 277,089 +246,678 +811%
Allianz Asset Management
48
Allianz Asset Management
Germany
$832K 208,520 -65,848 -24%
State of Wisconsin Investment Board
49
State of Wisconsin Investment Board
Wisconsin
$779K 195,300 +123,700 +173%
Dimensional Fund Advisors
50
Dimensional Fund Advisors
Texas
$742K 186,040 -8,476 -4%
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