MRSN icon

Mersana Therapeutics
MRSN

Overview Fund Activity

151 hedge funds and large institutions have $1.83B invested in Mersana Therapeutics in 2020 Q4 according to their latest regulatory filings, with 34 funds opening new positions, 54 increasing their positions, 45 reducing their positions, and 18 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
151
Holders Change
+16
Holders Change %
+11.85%
% of All Funds
2.68%
Holding in Top 10
6
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-25%
% of All Funds
0.11%
New
34
Increased
54
Reduced
45
Closed
18
Calls
$12.1M
Puts
$5.27M
Net Calls
+$6.78M
Net Calls Change
+$946K

Top Buyers

1
BG
Bellevue Group
Switzerland
$51.3M
2
Citadel Advisors
Citadel Advisors
Florida
$52M
3
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
$87.9M
4
Wellington Management Group
Wellington Management Group
Massachusetts
$124M
5
BlackRock
BlackRock
New York
$213M

Top Sellers

1
NMC
NEA Management Company
Maryland
$0
2
CCM
Consonance Capital Management
New York
$37.3M
3
Deutsche Bank
Deutsche Bank
Germany
$6.03M
4
O
OrbiMed
New York
$20.6M
5
APM
Avidity Partners Management
Texas
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
DekaBank Deutsche Girozentrale
101
DekaBank Deutsche Girozentrale
Germany
$568K +$568K +840 New
Barclays
102
Barclays
United Kingdom
$549K -$221K -332 -29%
PAM
103
Panagora Asset Management
Massachusetts
$508K +$31.2K +47 +7%
OTPPB
104
Ontario Teachers' Pension Plan Board
Ontario, Canada
$504K +$504K +757 New
LMGAM
105
Liberty Mutual Group Asset Management
Massachusetts
$503K +$503K +757 New
QSS
106
Quantitative Systematic Strategies
Florida
$457K -$264K -397 -37%
ASRS
107
Arizona State Retirement System
Arizona
$422K +$12K +18 +3%
MLICM
108
Metropolitan Life Insurance Company (MetLife)
New York
$421K +$9.32K +14 +2%
BFM
109
Boothbay Fund Management
New York
$408K +$408K +613 New
VRS
110
Virginia Retirement Systems
Virginia
$402K -$117K -176 -23%
AC
111
Athanor Capital
New York
$401K +$401K +602 New
Legal & General Group
112
Legal & General Group
United Kingdom
$362K -$2.66K -4 -0.7%
Norges Bank
113
Norges Bank
Norway
$357K – – –
Citigroup
114
Citigroup
New York
$352K +$250K +375 +244%
Susquehanna International Group
115
Susquehanna International Group
Pennsylvania
$350K -$1.5M -2,248 -81%
AC
116
Allstate Corporation
Illinois
$323K +$323K +485 New
Truist Financial
117
Truist Financial
North Carolina
$311K – – –
VEA
118
Virtus ETF Advisers
New York
$308K -$105K -157 -25%
HT
119
HAP Trading
New York
$301K +$301K +452 New
SCM
120
Silverarc Capital Management
Massachusetts
$286K +$286K +431 New
AG
121
Algert Global
California
$248K +$248K +372 New
Ameriprise
122
Ameriprise
Minnesota
$225K +$225K +337 New
AB
123
Amalgamated Bank
New York
$222K +$222K +333 New
Handelsbanken Fonder
124
Handelsbanken Fonder
Sweden
$202K +$202K +304 New
Zurich Cantonal Bank
125
Zurich Cantonal Bank
Switzerland
$193K +$41.9K +63 +28%
3 4
5
6 7