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Mersana Therapeutics
MRSN

Overview Fund Activity

147 hedge funds and large institutions have $370M invested in Mersana Therapeutics in 2023 Q2 according to their latest regulatory filings, with 33 funds opening new positions, 56 increasing their positions, 41 reducing their positions, and 43 closing their positions.

Holders
147
Holders Change
-10
Holders Change %
-6.37%
% of All Funds
2.32%
Holding in Top 10
1
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-66.67%
% of All Funds
0.02%
New
33
Increased
56
Reduced
41
Closed
43
Calls
$18.1M
Puts
$2.24M
Net Calls
+$15.8M
Net Calls Change
+$7.58M

Top Buyers

1
Balyasny Asset Management
1
Balyasny Asset Management
Illinois
$15.9M
2
DM
2
Deerfield Management
New York
$9.49M
3
LGM
3
Logos Global Management
California
$9.21M
4
RG
4
Redmile Group
California
$5.59M
5
Fidelity Investments
5
Fidelity Investments
Massachusetts
$4.87M

Top Sellers

1
B
1
Braidwell
Connecticut
$0
2
O
2
OrbiMed
New York
$23.7M
3
Goldman Sachs
3
Goldman Sachs
New York
$4.59M
4
State Street
4
State Street
Massachusetts
$16.1M
5
ABG
5
Ally Bridge Group
New York
$0
Name Market Value Shares Shares
Change 		Shares
Change %
SSA
51
Schonfeld Strategic Advisors
New York
$1.05M 320,540 +320,540 New
Jane Street
52
Jane Street
New York
$1.03M 314,483 +314,483 New
Bank of America
53
Bank of America
North Carolina
$992K 301,493 -714,391 -70%
Susquehanna International Group
54
Susquehanna International Group
Pennsylvania
$962K 292,317 +18,031 +7%
PAM
55
Panagora Asset Management
Massachusetts
$893K 271,501 +55,304 +26%
Two Sigma Investments
56
Two Sigma Investments
New York
$879K 267,270 +62,686 +31%
AG
57
Algert Global
California
$723K 219,846 +188,500 +601%
AllianceBernstein
58
AllianceBernstein
Tennessee
$713K 216,720 +117,020 +117%
Qube Research & Technologies (QRT)
59
Qube Research & Technologies (QRT)
United Kingdom
$672K 204,106 -47,690 -19%
Dimensional Fund Advisors
60
Dimensional Fund Advisors
Texas
$624K 189,611 -229,726 -55%
Barclays
61
Barclays
United Kingdom
$614K 186,929 -11,104 -6%
CSS
62
Cubist Systematic Strategies
Connecticut
$613K 186,398 -124,543 -40%
CM
63
Caption Management
Oklahoma
$595K 181,000 -114,900 -39%
Swiss National Bank
64
Swiss National Bank
Switzerland
$586K 178,096 +5,800 +3%
UBS Group
65
UBS Group
Switzerland
$571K 173,617 -11,782 -6%
RhumbLine Advisers
66
RhumbLine Advisers
Massachusetts
$542K 164,871 +6,530 +4%
Group One Trading
67
Group One Trading
Illinois
$527K 160,303 +158,204 +7,537%
Walleye Capital
68
Walleye Capital
New York
$510K 154,899 -68,489 -31%
Macquarie Group
69
Macquarie Group
Australia
$494K 150,000 – –
Nomura Holdings
70
Nomura Holdings
Japan
$490K 148,979 +148,979 New
CS
71
Credit Suisse
Switzerland
$488K 148,463 +44,584 +43%
Federated Hermes
72
Federated Hermes
Pennsylvania
$463K 140,645 +140,645 New
UBS AM
73
UBS AM
Illinois
$422K 102,575 – –
Citigroup
74
Citigroup
New York
$413K 125,628 -293,644 -70%
T. Rowe Price Associates
75
T. Rowe Price Associates
Maryland
$394K 119,345 -2,032 -2%
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