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Mersana Therapeutics
MRSN

Overview Fund Activity

126 hedge funds and large institutions have $366M invested in Mersana Therapeutics in 2022 Q2 according to their latest regulatory filings, with 19 funds opening new positions, 50 increasing their positions, 36 reducing their positions, and 19 closing their positions.

Holders
126
Holders Change
-2
Holders Change %
-1.56%
% of All Funds
2.13%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.03%
New
19
Increased
50
Reduced
36
Closed
19
Calls
$19K
Puts
$257K
Net Calls
-$238K
Net Calls Change
+$92K

Top Buyers

1
WP
1
Woodline Partners
California
$14.6M
2
BCLSI
2
Bain Capital Life Sciences Investors
Massachusetts
$40M
3
Vanguard Group
3
Vanguard Group
Pennsylvania
$21.9M
4
BlackRock
4
BlackRock
New York
$41M
5
SCM
5
Silverarc Capital Management
Massachusetts
$3.93M

Top Sellers

1
CIBC Asset Management
1
CIBC Asset Management
Ontario, Canada
$0
2
Two Sigma Investments
2
Two Sigma Investments
New York
$2.08M
3
RCP
3
Rho Capital Partners
New York
$0
4
Federated Hermes
4
Federated Hermes
Pennsylvania
$0
5
Morgan Stanley
5
Morgan Stanley
New York
$7.27M
Name Market Value Shares Shares
Change 		Shares
Change %
Ensign Peak Advisors
101
Ensign Peak Advisors
Utah
$42K 9,040 – –
O
102
OrbiMed
New York
$41.6K 9,011,437 +4,222,537 +88%
UBS Group
103
UBS Group
Switzerland
$41K 8,829 -6,295 -42%
TRCT
104
Tower Research Capital (TRC)
New York
$39K 8,492 +67 +0.8%
Zurich Cantonal Bank
105
Zurich Cantonal Bank
Switzerland
$34K 7,262 – –
AIP
106
Ameritas Investment Partners
Nebraska
$24K 5,400 – –
MLICM
107
Metropolitan Life Insurance Company (MetLife)
New York
$22K 4,758 – –
Russell Investments Group
108
Russell Investments Group
United Kingdom
$20K 4,484 -51,974 -92%
Canada Life
109
Canada Life
Manitoba, Canada
$17K 3,638 – –
PI
110
PEAK6 Investments
Illinois
$16.5K 5,000 +5,000 New
Osaic Holdings
111
Osaic Holdings
Arizona
$15K 3,235 +118 +4%
SO
112
STRS Ohio
Ohio
$11K 2,500 – –
Group One Trading
113
Group One Trading
Illinois
$9K 2,023 -16,100 -89%
Wells Fargo
114
Wells Fargo
California
$5K 1,138 -16,596 -94%
CG
115
Cutler Group
California
$5K 1,200 – –
QT
116
Quantbot Technologies
New York
$4K 954 -8,400 -90%
Nisa Investment Advisors
117
Nisa Investment Advisors
Missouri
$3K 610 -48,100 -99%
Royal Bank of Canada
118
Royal Bank of Canada
Ontario, Canada
$2K 494 -3,903 -89%
CAPTRUST Financial Advisors
119
CAPTRUST Financial Advisors
North Carolina
$1K 226 -37 -14%
Daiwa Securities Group
120
Daiwa Securities Group
Japan
$1K 246 – –
NSIM
121
North Star Investment Management
Illinois
$1K 150 – –
DFCM
122
Dark Forest Capital Management
Puerto Rico
$1K 311 +311 New
Bank of Montreal
123
Bank of Montreal
Ontario, Canada
$86 16,737 -1,140,898 -99%
CIBC Asset Management
124
CIBC Asset Management
Ontario, Canada
– – -1,055,994 Closed
RCP
125
Rho Capital Partners
New York
– – -796,458 Closed
2 3 4
5
6