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Mersana Therapeutics
MRSN

Overview Fund Activity

152 hedge funds and large institutions have $562M invested in Mersana Therapeutics in 2022 Q3 according to their latest regulatory filings, with 40 funds opening new positions, 62 increasing their positions, 27 reducing their positions, and 14 closing their positions.

Holders
152
Holders Change
+26
Holders Change %
+20.63%
% of All Funds
2.63%
Holding in Top 10
4
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+100%
% of All Funds
0.07%
New
40
Increased
62
Reduced
27
Closed
14
Calls
$107K
Puts
$9K
Net Calls
+$98K
Net Calls Change
+$336K

Top Buyers

1
State Street
1
State Street
Massachusetts
$27.4M
2
ABG
2
Ally Bridge Group
New York
$6.3M
3
Nuveen Asset Management
3
Nuveen Asset Management
Illinois
$8.58M
4
HIM
4
Hillsdale Investment Management
Ontario, Canada
$4.67M
5
D.E. Shaw & Co
5
D.E. Shaw & Co
New York
$17.7M

Top Sellers

1
WP
1
Woodline Partners
California
$0
2
BlackRock
2
BlackRock
New York
$47.9M
3
Millennium Management
3
Millennium Management
New York
$25.6M
4
JPMorgan Chase & Co
4
JPMorgan Chase & Co
New York
$406K
5
Vanguard Group
5
Vanguard Group
Pennsylvania
$29.6M
Name Market Value Shares Shares
Change 		Shares
Change %
GCP
51
GSA Capital Partners
United Kingdom
$1.13M 166,992 -1,752 -1%
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
52
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$1.1M 162,700 +120,400 +285%
ECM
53
ExodusPoint Capital Management
New York
$1.06M 157,411 +131,882 +517%
Macquarie Group
54
Macquarie Group
Australia
$1.04M 153,793 -625 -0.4%
LP
55
LMR Partners
United Kingdom
$1.01M 150,000 +150,000 New
RhumbLine Advisers
56
RhumbLine Advisers
Massachusetts
$998K 147,701 +12,157 +9%
State of Wisconsin Investment Board
57
State of Wisconsin Investment Board
Wisconsin
$931K 137,770 -102,959 -43%
Barclays
58
Barclays
United Kingdom
$918K 135,722 +101,635 +298%
HF
59
HRT Financial
New York
$762K 112,813 +112,813 New
Los Angeles Capital Management
60
Los Angeles Capital Management
California
$761K 112,525 +112,525 New
T. Rowe Price Associates
61
T. Rowe Price Associates
Maryland
$758K 112,039 -27,780 -20%
OQS
62
Occudo Quantitative Strategies
Florida
$757K 112,026 +92,970 +488%
Prudential Financial
63
Prudential Financial
New Jersey
$694K 102,755 +63,060 +159%
CS
64
Credit Suisse
Switzerland
$693K 102,667 +22,125 +27%
California State Teachers Retirement System (CalSTRS)
65
California State Teachers Retirement System (CalSTRS)
California
$692K 102,344 +609 +0.6%
Susquehanna International Group
66
Susquehanna International Group
Pennsylvania
$692K 102,415 +83,322 +436%
RCAP
67
Resolute Capital Asset Partners
Colorado
$676K 100,000 +100,000 New
AllianceBernstein
68
AllianceBernstein
Tennessee
$674K 99,700 +9,800 +11%
TI
69
Trexquant Investment
Connecticut
$642K 94,950 +94,950 New
AQR Capital Management
70
AQR Capital Management
Connecticut
$611K 90,413 +67,013 +286%
UBS AM
71
UBS AM
Illinois
$597K 88,374 – –
SSA
72
Schonfeld Strategic Advisors
New York
$583K 86,151 +86,151 New
Voloridge Investment Management
73
Voloridge Investment Management
Florida
$537K 79,464 +79,464 New
Balyasny Asset Management
74
Balyasny Asset Management
Illinois
$430K 63,527 +8,278 +15%
XT
75
XTX Topco
Cayman Islands
$428K 63,343 +24,619 +64%
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