MRSN icon

Mersana Therapeutics
MRSN

Overview Fund Activity

132 hedge funds and large institutions have $1.14B invested in Mersana Therapeutics in 2021 Q1 according to their latest regulatory filings, with 18 funds opening new positions, 55 increasing their positions, 46 reducing their positions, and 36 closing their positions.

Holders
132
Holders Change
-19
Holders Change %
-12.58%
% of All Funds
2.32%
Holding in Top 10
3
Holding in Top 10 Change
-3
Holding in Top 10 Change %
-50%
% of All Funds
0.05%
New
18
Increased
55
Reduced
46
Closed
36
Calls
$9.35M
Puts
$9.73M
Net Calls
-$376K
Net Calls Change
-$7.16M

Top Buyers

1
Westfield Capital Management
1
Westfield Capital Management
Massachusetts
$32.3M
2
Wellington Management Group
2
Wellington Management Group
Massachusetts
$100M
3
O
3
OrbiMed
New York
$30.6M
4
SCM
4
Sarissa Capital Management
Connecticut
$64.8M
5
BG
5
Bellevue Group
Switzerland
$46.1M

Top Sellers

1
CCM
1
Consonance Capital Management
New York
$0
2
Janus Henderson Group
2
Janus Henderson Group
United Kingdom
$0
3
Citadel Advisors
3
Citadel Advisors
Florida
$8.71M
4
Invesco
4
Invesco
Georgia
$6.67M
5
GPP
5
Great Point Partners
Connecticut
$0
Name Market Value Shares Shares
Change 		Shares
Change %
E
101
Ergoteles
New York
$220K 13,600 +13,600 New
Morgan Stanley
102
Morgan Stanley
New York
$213K 13,237 -32,501 -71%
QSS
103
Quantitative Systematic Strategies
Florida
$213K 13,169 -4,018 -23%
Legal & General Group
104
Legal & General Group
United Kingdom
$212K 13,097 -508 -4%
SG Americas Securities
105
SG Americas Securities
New York
$202K 12,496 +5,715 +84%
EGM
106
Engineers Gate Manager
New York
$192K 11,860 +11,860 New
VEA
107
Virtus ETF Advisers
New York
$190K 11,771 +211 +2%
Truist Financial
108
Truist Financial
North Carolina
$189K 11,700 – –
AGM
109
Alpine Global Management
New York
$172K 10,658 +10,658 New
AWM
110
Avior Wealth Management
Nebraska
$170K 10,534 +10,534 New
Zurich Cantonal Bank
111
Zurich Cantonal Bank
Switzerland
$161K 9,947 +2,685 +37%
Group One Trading
112
Group One Trading
Illinois
$144K 8,870 +4,863 +121%
TRCT
113
Tower Research Capital (TRC)
New York
$137K 8,501 +7,823 +1,154%
BNP Paribas Financial Markets
114
BNP Paribas Financial Markets
France
$112K 6,946 +378 +6%
FMT
115
First Mercantile Trust
Tennessee
$99K 6,137 +2,104 +52%
CSS
116
Cubist Systematic Strategies
Connecticut
$95K 5,878 +2,050 +54%
AIP
117
Ameritas Investment Partners
Nebraska
$73K 4,536 – –
Pacer Advisors
118
Pacer Advisors
Pennsylvania
$70K 4,328 +88 +2%
Royal Bank of Canada
119
Royal Bank of Canada
Ontario, Canada
$65K 3,993 +3,572 +848%
OSAM
120
O'Shaughnessy Asset Management
Connecticut
$59K 3,663 – –
Canada Life
121
Canada Life
Manitoba, Canada
$58K 3,638 – –
CG
122
Cutler Group
California
$58K 3,600 +3,600 New
PHK
123
Point72 Hong Kong
Hong Kong
$45K 2,776 +2,776 New
PCM
124
Penserra Capital Management
California
$25K 1,565 -5 -0.3%
Bank of Montreal
125
Bank of Montreal
Ontario, Canada
$24K 1,511 -6,732 -82%
3 4
5
6 7