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Mersana Therapeutics
MRSN

Overview Fund Activity

152 hedge funds and large institutions have $590M invested in Mersana Therapeutics in 2022 Q4 according to their latest regulatory filings, with 20 funds opening new positions, 68 increasing their positions, 37 reducing their positions, and 20 closing their positions.

Holders
152
Holders Change
–
Holders Change %
0%
% of All Funds
2.45%
Holding in Top 10
3
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-25%
% of All Funds
0.05%
New
20
Increased
68
Reduced
37
Closed
20
Calls
$512K
Puts
$469K
Net Calls
+$43K
Net Calls Change
-$55K

Top Buyers

1
Marshall Wace
1
Marshall Wace
United Kingdom
$14.8M
2
B
2
Braidwell
Connecticut
$10.9M
3
State Street
3
State Street
Massachusetts
$34.3M
4
ACP
4
Acuta Capital Partners
California
$5.57M
5
CIBC Asset Management
5
CIBC Asset Management
Ontario, Canada
$3.32M

Top Sellers

1
Invesco
1
Invesco
Georgia
$195K
2
OM
2
Opaleye Management
Massachusetts
$2.7M
3
UOC
3
UBS O'Connor
Illinois
$0
4
Goldman Sachs
4
Goldman Sachs
New York
$11.8M
5
D.E. Shaw & Co
5
D.E. Shaw & Co
New York
$13.7M
Name Market Value Shares Shares
Change 		Shares
Change %
Connor, Clark & Lunn Investment Management (CC&L)
51
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$1.22M 208,433 -50,254 -19%
Citigroup
52
Citigroup
New York
$1.13M 193,472 -3,805 -2%
PAM
53
Panagora Asset Management
Massachusetts
$1.12M 190,963 +4,186 +2%
Swiss National Bank
54
Swiss National Bank
Switzerland
$1.1M 187,696 +3,700 +2%
TI
55
Trexquant Investment
Connecticut
$924K 157,731 +62,781 +66%
RhumbLine Advisers
56
RhumbLine Advisers
Massachusetts
$896K 152,965 +5,264 +4%
Macquarie Group
57
Macquarie Group
Australia
$879K 150,000 -3,793 -2%
AQR Capital Management
58
AQR Capital Management
Connecticut
$792K 135,201 +44,788 +50%
XT
59
XTX Topco
Cayman Islands
$779K 132,904 +69,561 +110%
Fidelity Investments
60
Fidelity Investments
Massachusetts
$723K 123,377 -92,344 -43%
BNP Paribas Financial Markets
61
BNP Paribas Financial Markets
France
$719K 122,676 -114,989 -48%
T. Rowe Price Associates
62
T. Rowe Price Associates
Maryland
$707K 120,519 +8,480 +8%
California State Teachers Retirement System (CalSTRS)
63
California State Teachers Retirement System (CalSTRS)
California
$612K 104,473 +2,129 +2%
Axa
64
Axa
France
$610K 104,100 -128,700 -55%
UBS AM
65
UBS AM
Illinois
$601K 102,575 +14,201 +16%
AllianceBernstein
66
AllianceBernstein
Tennessee
$584K 99,700 – –
Squarepoint
67
Squarepoint
New York
$572K 97,556 +82,170 +534%
CS
68
Credit Suisse
Switzerland
$571K 97,474 -5,193 -5%
Qube Research & Technologies (QRT)
69
Qube Research & Technologies (QRT)
United Kingdom
$506K 86,386 +31,297 +57%
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
70
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$492K 84,000 -78,700 -48%
OQS
71
Occudo Quantitative Strategies
Florida
$478K 81,538 -30,488 -27%
Voloridge Investment Management
72
Voloridge Investment Management
Florida
$441K 75,216 -4,248 -5%
Mackenzie Financial
73
Mackenzie Financial
Ontario, Canada
$432K 73,692 +73,692 New
State of Wisconsin Investment Board
74
State of Wisconsin Investment Board
Wisconsin
$427K 72,898 -64,872 -47%
AA
75
ALPS Advisors
Colorado
$397K 67,736 +67,736 New
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