MRSN icon

Mersana Therapeutics
MRSN

Overview Fund Activity

132 hedge funds and large institutions have $149M invested in Mersana Therapeutics in 2024 Q4 according to their latest regulatory filings, with 30 funds opening new positions, 33 increasing their positions, 40 reducing their positions, and 12 closing their positions.

Holders
132
Holders Change
+16
Holders Change %
+13.79%
% of All Funds
1.76%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
30
Increased
33
Reduced
40
Closed
12
Calls
$356K
Puts
$2.03M
Net Calls
-$1.67M
Net Calls Change
-$1.21M

Top Buyers

1
NHAS
1
Novo Holdings A/S
Denmark
$6.08M
2
BCM
2
Boxer Capital Management
California
$3.77M
3
CCM
3
Catalio Capital Management
New York
$2.44M
4
6CM
4
683 Capital Management
New York
$1.29M
5
SFM
5
Sphera Funds Management
Israel
$987K

Top Sellers

1
EC
1
EcoR1 Capital
California
$16.2M
2
Citadel Advisors
2
Citadel Advisors
Florida
$603K
3
BC
3
Boxer Capital
California
$0
4
SCM
4
Silverarc Capital Management
Massachusetts
$0
5
Goldman Sachs
5
Goldman Sachs
New York
$1.15M
Name Market Value Shares Shares
Change 		Shares
Change %
IIM
76
INTECH Investment Management
Florida
$73K 51,028 +23,686 +87%
Susquehanna International Group
77
Susquehanna International Group
Pennsylvania
$71.3K 49,853 -24,956 -33%
GCM
78
Graham Capital Management
Connecticut
$71.1K 49,724 +7,307 +17%
CSS
79
Cubist Systematic Strategies
Connecticut
$64.8K 45,296 +45,296 New
Manulife (Manufacturers Life Insurance)
80
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$62.9K 43,990 -483 -1%
ProShare Advisors
81
ProShare Advisors
Maryland
$54.1K 37,799 +16,364 +76%
New York State Common Retirement Fund
82
New York State Common Retirement Fund
New York
$53K 37,235 – –
VOYA Investment Management
83
VOYA Investment Management
Georgia
$51.8K 36,190 -2,111 -6%
Walleye Trading
84
Walleye Trading
New York
$45.1K 31,526 – –
State Board of Administration of Florida Retirement System
85
State Board of Administration of Florida Retirement System
Florida
$41.2K 28,800 – –
AI
86
Atom Investors
Texas
$38K 26,563 +1,902 +8%
CUAMC
87
China Universal Asset Management Company
China
$37.5K 26,194 +26,194 New
QL
88
Quarry LP
New York
$34.3K 24,000 -6,000 -20%
JRP
89
Jasper Ridge Partners
California
$33K 23,100 – –
PFSRSONJ
90
Police & Firemen's Retirement System of New Jersey
New Jersey
$32.3K 22,593 +22,593 New
Ohio Public Employees Retirement System (OPERS)
91
Ohio Public Employees Retirement System (OPERS)
Ohio
$29.4K 20,587 – –
EGM
92
Engineers Gate Manager
New York
$24.4K 17,084 +17,084 New
US Bancorp
93
US Bancorp
Minnesota
$23.1K 16,178 – –
Marshall Wace
94
Marshall Wace
United Kingdom
$22.3K 15,600 +15,600 New
GC
95
Grimes & Company
Massachusetts
$21.4K 14,998 – –
ACM
96
Aquatic Capital Management
Illinois
$20.8K 14,551 +14,551 New
HSBC Holdings
97
HSBC Holdings
United Kingdom
$18.3K 13,301 -664 -5%
BCM
98
Bayesian Capital Management
New York
$18K 12,600 +12,600 New
Squarepoint
99
Squarepoint
New York
$17.3K 12,104 -69,525 -85%
Lazard Asset Management
100
Lazard Asset Management
New York
$17K 12,104 +12,104 New
2 3
4
5 6