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Mersana Therapeutics
MRSN

Overview Fund Activity

130 hedge funds and large institutions have $1.53B invested in Mersana Therapeutics in 2020 Q2 according to their latest regulatory filings, with 54 funds opening new positions, 50 increasing their positions, 23 reducing their positions, and 6 closing their positions.

Holders
130
Holders Change
+48
Holders Change %
+58.54%
% of All Funds
2.67%
Holding in Top 10
9
Holding in Top 10 Change
+5
Holding in Top 10 Change %
+125%
% of All Funds
0.19%
New
54
Increased
50
Reduced
23
Closed
6
Calls
$7.97M
Puts
$1.35M
Net Calls
+$6.62M
Net Calls Change
+$6.68M

Top Buyers

1
ACA
1
Avoro Capital Advisors
New York
$152M
2
CCM
2
Consonance Capital Management
New York
$138M
3
BlackRock
3
BlackRock
New York
$167M
4
BCLSI
4
Bain Capital Life Sciences Investors
Massachusetts
$80.6M
5
Wellington Management Group
5
Wellington Management Group
Massachusetts
$67.5M

Top Sellers

1
NMC
1
NEA Management Company
Maryland
$186M
2
GTC
2
Ghost Tree Capital
New York
$14.6M
3
SCM
3
Sarissa Capital Management
Connecticut
$60.1M
4
VA
4
VR Adviser
New York
$0
5
BI
5
BVF Inc
California
$0
Name Market Value Shares Shares
Change 		Shares
Change %
PNC Financial Services Group
126
PNC Financial Services Group
Pennsylvania
$11K 478 +478 New
Fidelity International
127
Fidelity International
Bermuda
$8K 325 +325 New
Royal Bank of Canada
128
Royal Bank of Canada
Ontario, Canada
$3K 112 -40 -26%
Osaic Holdings
129
Osaic Holdings
Arizona
$1K 50 -400 -89%
TCOV
130
Trust Company of Vermont
Vermont
$1K 40 +40 New
VA
131
VR Adviser
New York
– – -2,623,903 Closed
BI
132
BVF Inc
California
– – -2,372,400 Closed
Mackenzie Financial
133
Mackenzie Financial
Ontario, Canada
– – -105,776 Closed
DTL
134
Dynamic Technology Lab
Singapore
– – -15,524 Closed
BFM
135
Boothbay Fund Management
New York
– – -12,100 Closed
CG
136
Cutler Group
California
– – -200 Closed
Nomura Asset Management
137
Nomura Asset Management
Japan
– – – –
JG
138
Jefferies Group
New York
– – – –
Group One Trading
139
Group One Trading
Illinois
– – – –
CLCM
140
Crawford Lake Capital Management
New Jersey
– – – –
HT
141
HAP Trading
New York
– – – –
CFGS
142
Concourse Financial Group Securities
Alabama
– – – –
2 3 4 5
6