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Mersana Therapeutics
MRSN

Overview Fund Activity

147 hedge funds and large institutions have $370M invested in Mersana Therapeutics in 2023 Q2 according to their latest regulatory filings, with 33 funds opening new positions, 56 increasing their positions, 41 reducing their positions, and 43 closing their positions.

Holders
147
Holders Change
-10
Holders Change %
-6.37%
% of All Funds
2.32%
Holding in Top 10
1
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-66.67%
% of All Funds
0.02%
New
33
Increased
56
Reduced
41
Closed
43
Calls
$18.1M
Puts
$2.24M
Net Calls
+$15.8M
Net Calls Change
+$7.58M

Top Buyers

1
Balyasny Asset Management
1
Balyasny Asset Management
Illinois
$15.9M
2
DM
2
Deerfield Management
New York
$9.49M
3
LGM
3
Logos Global Management
California
$9.21M
4
RG
4
Redmile Group
California
$5.59M
5
Fidelity Investments
5
Fidelity Investments
Massachusetts
$4.87M

Top Sellers

1
B
1
Braidwell
Connecticut
$0
2
O
2
OrbiMed
New York
$23.7M
3
Goldman Sachs
3
Goldman Sachs
New York
$4.59M
4
State Street
4
State Street
Massachusetts
$16.1M
5
ABG
5
Ally Bridge Group
New York
$0
Name Market Value Shares Shares
Change 		Shares
Change %
CIBC Asset Management
151
CIBC Asset Management
Ontario, Canada
– – -476,684 Closed
UOC
152
UBS O'Connor
Illinois
– – -462,699 Closed
LPC
153
Lion Point Capital
New York
– – -409,120 Closed
SAM
154
Sectoral Asset Management
Quebec, Canada
– – -343,079 Closed
Vontobel Holding
155
Vontobel Holding
Switzerland
– – -343,079 Closed
PIM
156
Platinum Investment Management
Australia
– – -290,298 Closed
TCM
157
Tekla Capital Management
Massachusetts
– – -162,383 Closed
Allianz Asset Management
158
Allianz Asset Management
Germany
– – -90,500 Closed
HT
159
HAP Trading
New York
– – -89,563 Closed
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
160
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
– – -84,000 Closed
TI
161
Trexquant Investment
Connecticut
– – -80,438 Closed
Mackenzie Financial
162
Mackenzie Financial
Ontario, Canada
– – -68,822 Closed
Jacobs Levy Equity Management
163
Jacobs Levy Equity Management
New Jersey
– – -65,891 Closed
Los Angeles Capital Management
164
Los Angeles Capital Management
California
– – -61,790 Closed
ACP
165
Acuta Capital Partners
California
– – -60,000 Closed
OQS
166
Occudo Quantitative Strategies
Florida
– – -59,411 Closed
Connor, Clark & Lunn Investment Management (CC&L)
167
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
– – -59,051 Closed
Prudential Financial
168
Prudential Financial
New Jersey
– – -51,155 Closed
SG Americas Securities
169
SG Americas Securities
New York
– – -46,605 Closed
XT
170
XTX Topco
Cayman Islands
– – -45,738 Closed
CWA
171
CM Wealth Advisors
Ohio
– – -45,367 Closed
CIC
172
Cornercap Investment Counsel
Georgia
– – -42,633 Closed
ECM
173
ExodusPoint Capital Management
New York
– – -40,034 Closed
SEI Investments
174
SEI Investments
Pennsylvania
– – -28,977 Closed
BCM
175
Bayesian Capital Management
New York
– – -24,800 Closed
4 5 6
7
8