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Mersana Therapeutics
MRSN

Overview Fund Activity

128 hedge funds and large institutions have $144M invested in Mersana Therapeutics in 2023 Q3 according to their latest regulatory filings, with 26 funds opening new positions, 35 increasing their positions, 43 reducing their positions, and 45 closing their positions.

Holders
128
Holders Change
-19
Holders Change %
-12.93%
% of All Funds
2.04%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.02%
New
26
Increased
35
Reduced
43
Closed
45
Calls
$1.57M
Puts
$76K
Net Calls
+$1.49M
Net Calls Change
-$14.3M

Top Buyers

1
EC
1
EcoR1 Capital
California
$24.6M
2
VA
2
VR Adviser
New York
$14.4M
3
SCM
3
Silverarc Capital Management
Massachusetts
$6.35M
4
AAA
4
Affinity Asset Advisors
New York
$3.62M
5
PCM
5
Philosophy Capital Management
California
$2.98M

Top Sellers

1
O
1
OrbiMed
New York
$0
2
ACA
2
Avoro Capital Advisors
New York
$0
3
APM
3
Avidity Partners Management
Texas
$0
4
AG
4
Artal Group
Luxembourg
$0
5
DM
5
Deerfield Management
New York
$0
Name Market Value Shares Shares
Change 		Shares
Change %
Macquarie Group
51
Macquarie Group
Australia
$191K 150,000 – –
Two Sigma Investments
52
Two Sigma Investments
New York
$189K 149,066 -118,204 -44%
AQR Capital Management
53
AQR Capital Management
Connecticut
$182K 143,172 +71,129 +99%
AllianceBernstein
54
AllianceBernstein
Tennessee
$166K 130,740 -85,980 -40%
CS
55
Credit Suisse
Switzerland
$164K 129,067 -19,396 -13%
BNP Paribas Financial Markets
56
BNP Paribas Financial Markets
France
$157K 123,345 +49,343 +67%
Walleye Trading
57
Walleye Trading
New York
$154K 121,502 +121,502 New
Bank of America
58
Bank of America
North Carolina
$149K 117,372 -184,121 -61%
Dimensional Fund Advisors
59
Dimensional Fund Advisors
Texas
$143K 112,218 -77,393 -41%
UBS AM
60
UBS AM
Illinois
$130K 102,575 – –
GCP
61
GSA Capital Partners
United Kingdom
$129K 101,788 -285,803 -74%
ACP
62
Acuta Capital Partners
California
$127K 99,607 +99,607 New
California State Teachers Retirement System (CalSTRS)
63
California State Teachers Retirement System (CalSTRS)
California
$126K 98,959 -6,387 -6%
AA
64
ALPS Advisors
Colorado
$113K 88,919 +4,839 +6%
T. Rowe Price Associates
65
T. Rowe Price Associates
Maryland
$111K 87,113 -32,232 -27%
XT
66
XTX Topco
Cayman Islands
$101K 79,215 +79,215 New
ETC
67
Exchange Traded Concepts
Oklahoma
$93.6K 73,694 +58,393 +382%
D.E. Shaw & Co
68
D.E. Shaw & Co
New York
$86.1K 67,782 -917,957 -93%
Nuveen Asset Management
69
Nuveen Asset Management
Illinois
$83.7K 65,881 -1,175,710 -95%
Invesco
70
Invesco
Georgia
$82.6K 65,032 +26,416 +68%
HF
71
HRT Financial
New York
$81K 64,179 +64,179 New
Deutsche Bank
72
Deutsche Bank
Germany
$79.8K 62,827 -1,074,916 -94%
QF
73
QVT Financial
New York
$79.6K 62,657 – –
GTC
74
Ghost Tree Capital
New York
$77.8K 61,250 – –
CSS
75
Cubist Systematic Strategies
Connecticut
$77.2K 60,757 -125,641 -67%
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