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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 %
Wellington Management Group
151
Wellington Management Group
Massachusetts
– – -480,644 Closed
EC
152
EcoR1 Capital
California
– – -310,960 Closed
GCM
153
Graham Capital Management
Connecticut
– – -203,067 Closed
CANY
154
Caxton Associates (New York)
New York
– – -47,915 Closed
PGH
155
Partners Group Holding
Switzerland
– – -37,473 Closed
HSBC Holdings
156
HSBC Holdings
United Kingdom
– – -18,737 Closed
Victory Capital Management
157
Victory Capital Management
Texas
– – -12,537 Closed
Walleye Capital
158
Walleye Capital
New York
– – -10,264 Closed
WU
159
Washington University
Missouri
– – -9,367 Closed
PI
160
PEAK6 Investments
Illinois
– – -5,000 Closed
QT
161
Quantbot Technologies
New York
– – -954 Closed
DFCM
162
Dark Forest Capital Management
Puerto Rico
– – -311 Closed
CAPTRUST Financial Advisors
163
CAPTRUST Financial Advisors
North Carolina
– – -226 Closed
RCP
164
Rho Capital Partners
New York
– – – –
CFGS
165
Concourse Financial Group Securities
Alabama
– – – –
CAL
166
Capital Advisors Ltd
Ohio
$0 71 – –
EI
167
Ellevest Inc
New York
$0 57 – –
US Bancorp
168
US Bancorp
Minnesota
$0 52 +52 New
3 4 5 6
7