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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 %
RhumbLine Advisers
51
RhumbLine Advisers
Massachusetts
$246K 171,857 +5,011 +3%
UBS Group
52
UBS Group
Switzerland
$232K 162,264 -311,263 -66%
Los Angeles Capital Management
53
Los Angeles Capital Management
California
$228K 159,760 -29,900 -16%
Jane Street
54
Jane Street
New York
$217K 151,526 -265,925 -64%
Macquarie Group
55
Macquarie Group
Australia
$215K 150,000 – –
SG Americas Securities
56
SG Americas Securities
New York
$161K 112,291 +25,058 +29%
Citigroup
57
Citigroup
New York
$140K 97,831 +15,519 +19%
Mackenzie Financial
58
Mackenzie Financial
Ontario, Canada
$131K 91,956 +91,956 New
SFI
59
Susquehanna Fundamental Investments
Pennsylvania
$131K 91,852 +91,852 New
ETC
60
Exchange Traded Concepts
Oklahoma
$122K 85,006 – –
MIM
61
MetLife Investment Management
New Jersey
$105K 73,150 +39,234 +116%
SEI Investments
62
SEI Investments
Pennsylvania
$99.4K 69,527 +69,527 New
Wells Fargo
63
Wells Fargo
California
$96.5K 67,483 +19,368 +40%
Mirae Asset Global ETFs Holdings
64
Mirae Asset Global ETFs Holdings
Hong Kong
$94.3K 65,936 +2,812 +4%
OAM
65
Oxford Asset Management
United Kingdom
$93.5K 65,386 +65,386 New
XT
66
XTX Topco
Cayman Islands
$90.8K 63,530 -283,725 -82%
QF
67
QVT Financial
New York
$89.6K 62,657 – –
T. Rowe Price Associates
68
T. Rowe Price Associates
Maryland
$89K 62,093 -36,985 -37%
AG
69
Algert Global
California
$86K 60,083 -3,400 -5%
CF
70
Corebridge Financial
Texas
$80.6K 56,398 -4,257 -7%
AF
71
Avanza Fonder
Sweden
$80.5K 56,298 +56,298 New
Invesco
72
Invesco
Georgia
$78.5K 54,872 -611 -1%
Ameriprise
73
Ameriprise
Minnesota
$76.3K 53,329 +7,682 +17%
Group One Trading
74
Group One Trading
Illinois
$74.8K 52,283 +19,713 +61%
PCM
75
Prelude Capital Management
New York
$73.4K 51,357 -313,370 -86%
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