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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 %
DCMIC
26
Decheng Capital Management III (Cayman)
Cayman Islands
$5.3M 904,268 – –
Bank of America
27
Bank of America
North Carolina
$4.46M 760,723 +363,077 +91%
HIM
28
Hillsdale Investment Management
Ontario, Canada
$4.06M 693,200 +2,700 +0.4%
Charles Schwab
29
Charles Schwab
California
$3.93M 671,027 +27,382 +4%
Citadel Advisors
30
Citadel Advisors
Florida
$3.67M 625,576 +448,673 +254%
Two Sigma Investments
31
Two Sigma Investments
New York
$3.62M 617,829 -64,253 -9%
Renaissance Technologies
32
Renaissance Technologies
New York
$3.35M 571,719 -127,100 -18%
CIBC Asset Management
33
CIBC Asset Management
Ontario, Canada
$3.32M 566,785 +566,785 New
WP
34
Woodline Partners
California
$3.07M 523,408 +523,408 New
Jacobs Levy Equity Management
35
Jacobs Levy Equity Management
New Jersey
$2.95M 503,145 +99,458 +25%
LP
36
LMR Partners
United Kingdom
$2.93M 500,000 +350,000 +233%
OM
37
Opaleye Management
Massachusetts
$2.7M 460,000 -440,300 -49%
KCM
38
Kennedy Capital Management
Missouri
$2.57M 438,982 +115,536 +36%
CSS
39
Cubist Systematic Strategies
Connecticut
$2.5M 427,152 +34,624 +9%
Rafferty Asset Management
40
Rafferty Asset Management
New York
$2.44M 416,864 +203,101 +95%
DCM
41
DAFNA Capital Management
California
$2.42M 413,463 +35,700 +9%
RPAM
42
Rhenman & Partners Asset Management
Sweden
$2.34M 400,000 +400,000 New
JPMorgan Chase & Co
43
JPMorgan Chase & Co
New York
$2.27M 386,823 +326,697 +543%
FAM
44
Fred Alger Management
New York
$2.22M 378,450 +4,555 +1%
Bank of New York Mellon
45
Bank of New York Mellon
New York
$2.16M 368,029 +7,433 +2%
PIM
46
Platinum Investment Management
Australia
$1.7M 290,298 – –
UBS Group
47
UBS Group
Switzerland
$1.69M 288,603 +262,308 +998%
VOYA Investment Management
48
VOYA Investment Management
Georgia
$1.68M 286,894 +47,610 +20%
Hudson Bay Capital Management
49
Hudson Bay Capital Management
Connecticut
$1.61M 275,000 +30,000 +12%
Barclays
50
Barclays
United Kingdom
$1.36M 232,088 +96,366 +71%
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