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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 %
VF
101
Virtu Financial
New York
$173K 25,521 +25,521 New
Teacher Retirement System of Texas
102
Teacher Retirement System of Texas
Texas
$172K 25,514 +25,514 New
AI
103
Atom Investors
Texas
$170K 25,104 +25,104 New
PP
104
PDT Partners
New York
$169K 24,975 -216,924 -90%
PWLP
105
Prio Wealth Limited Partnership
Massachusetts
$159K 23,529 – –
JRP
106
Jasper Ridge Partners
California
$156K 23,100 – –
Janus Henderson Group
107
Janus Henderson Group
United Kingdom
$154K 22,684 +11,341 +100%
Canada Life
108
Canada Life
Manitoba, Canada
$153K 22,635 +18,997 +522%
Ensign Peak Advisors
109
Ensign Peak Advisors
Utah
$151K 22,330 +13,290 +147%
Ohio Public Employees Retirement System (OPERS)
110
Ohio Public Employees Retirement System (OPERS)
Ohio
$151K 22,300 +22,300 New
Russell Investments Group
111
Russell Investments Group
United Kingdom
$144K 21,402 +16,918 +377%
ASRS
112
Arizona State Retirement System
Arizona
$143K 21,086 +605 +3%
SEI Investments
113
SEI Investments
Pennsylvania
$137K 20,303 +3,047 +18%
Principal Financial Group
114
Principal Financial Group
Iowa
$128K 18,920 +4,982 +36%
ProShare Advisors
115
ProShare Advisors
Maryland
$122K 18,110 +711 +4%
Verition Fund Management
116
Verition Fund Management
Connecticut
$110K 16,312 +16,312 New
Squarepoint
117
Squarepoint
New York
$104K 15,386 -210,986 -93%
GC
118
Grimes & Company
Massachusetts
$103K 15,172 +250 +2%
PHK
119
Point72 Hong Kong
Hong Kong
$102K 15,156 +15,156 New
DU
120
Delphia (USA)
Ontario, Canada
$100K 14,728 +14,728 New
EFM
121
E Fund Management
China
$99K 14,695 +14,695 New
CC
122
Corton Capital
Ontario, Canada
$98K 14,459 +14,459 New
MAM
123
Martingale Asset Management
Massachusetts
$82K 12,110 – –
CC
124
Cipher Capital
New York
$82K 12,058 +12,058 New
FRM
125
Fox Run Management
Connecticut
$82K 12,085 +12,085 New
3 4
5
6 7