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Mersana Therapeutics
MRSN

Overview Fund Activity

110 hedge funds and large institutions have $647M invested in Mersana Therapeutics in 2021 Q3 according to their latest regulatory filings, with 12 funds opening new positions, 45 increasing their positions, 34 reducing their positions, and 32 closing their positions.

Holders
110
Holders Change
-21
Holders Change %
-16.03%
% of All Funds
1.93%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.04%
New
12
Increased
45
Reduced
34
Closed
32
Calls
$1.22M
Puts
$1.57M
Net Calls
-$350K
Net Calls Change
+$3.36M

Top Buyers

1
PAMS
1
Pictet Asset Management (Switzerland)
Switzerland
$21.1M
2
BG
2
Bellevue Group
Switzerland
$40.2M
3
State Street
3
State Street
Massachusetts
$38.6M
4
Goldman Sachs
4
Goldman Sachs
New York
$10.8M
5
Morgan Stanley
5
Morgan Stanley
New York
$6.3M

Top Sellers

1
Westfield Capital Management
1
Westfield Capital Management
Massachusetts
$0
2
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$9.25M
3
Wellington Management Group
3
Wellington Management Group
Massachusetts
$56.7M
4
GTC
4
Ghost Tree Capital
New York
$0
5
CC
5
Commodore Capital
New York
$0
Name Market Value Shares Shares
Change 		Shares
Change %
PWLP
76
Prio Wealth Limited Partnership
Massachusetts
$222K 23,529 – –
JRP
77
Jasper Ridge Partners
California
$218K 23,100 – –
BFM
78
Boothbay Fund Management
New York
$215K 22,764 +6,693 +42%
DekaBank Deutsche Girozentrale
79
DekaBank Deutsche Girozentrale
Germany
$195K 21,000 – –
VF
80
Virtu Financial
New York
$177K 18,777 +18,777 New
AG
81
Algert Global
California
$169K 17,892 +17,892 New
MIM
82
MetLife Investment Management
New Jersey
$164K 17,368 -8,457 -33%
Truist Financial
83
Truist Financial
North Carolina
$157K 16,700 – –
ASRS
84
Arizona State Retirement System
Arizona
$143K 15,158 +262 +2%
MLICM
85
Metropolitan Life Insurance Company (MetLife)
New York
$141K 14,952 -4,820 -24%
VEA
86
Virtus ETF Advisers
New York
$134K 14,165 -747 -5%
AC
87
Allstate Corporation
Illinois
$129K 13,667 -329 -2%
AQR Capital Management
88
AQR Capital Management
Connecticut
$116K 12,330 – –
AB
89
Amalgamated Bank
New York
$112K 11,850 -171 -1%
FRM
90
Fox Run Management
Connecticut
$111K 11,779 +11,779 New
Zurich Cantonal Bank
91
Zurich Cantonal Bank
Switzerland
$95K 10,092 +11 +0.1%
TRCT
92
Tower Research Capital (TRC)
New York
$82K 8,693 +2,868 +49%
Royal Bank of Canada
93
Royal Bank of Canada
Ontario, Canada
$66K 6,941 +2,226 +47%
FMT
94
First Mercantile Trust
Tennessee
$52K 5,541 -225 -4%
AIP
95
Ameritas Investment Partners
Nebraska
$51K 5,400 – –
Wells Fargo
96
Wells Fargo
California
$50K 5,360 +5,308 +10,208%
Group One Trading
97
Group One Trading
Illinois
$36K 3,849 +3,849 New
Canada Life
98
Canada Life
Manitoba, Canada
$34K 3,638 – –
PCM
99
Penserra Capital Management
California
$15K 1,640 +55 +3%
CG
100
Cutler Group
California
$11K 1,200 -4,600 -79%
2 3
4
5 6