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Mersana Therapeutics
MRSN

Overview Fund Activity

122 hedge funds and large institutions have $230M invested in Mersana Therapeutics in 2024 Q2 according to their latest regulatory filings, with 19 funds opening new positions, 45 increasing their positions, 36 reducing their positions, and 22 closing their positions.

Holders
122
Holders Change
-3
Holders Change %
-2.4%
% of All Funds
1.77%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.01%
New
19
Increased
45
Reduced
36
Closed
22
Calls
$1.5M
Puts
$1.26M
Net Calls
+$244K
Net Calls Change
+$2.23M

Top Buyers

1
NI
1
Nextech Invest
Switzerland
$19.1M
2
SSA
2
Schonfeld Strategic Advisors
New York
$5.98M
3
Goldman Sachs
3
Goldman Sachs
New York
$2.5M
4
Two Sigma Advisers
4
Two Sigma Advisers
New York
$1.45M
5
JPMorgan Chase & Co
5
JPMorgan Chase & Co
New York
$3.97M

Top Sellers

1
Balyasny Asset Management
1
Balyasny Asset Management
Illinois
$0
2
State Street
2
State Street
Massachusetts
$5.39M
3
ABG
3
Ally Bridge Group
New York
$0
4
WP
4
Woodline Partners
California
$2.95M
5
DTC
5
Deep Track Capital
Connecticut
$0
Name Market Value Shares Shares
Change 		Shares
Change %
EC
1
EcoR1 Capital
California
$38.9M 19,364,688 – –
VA
2
VR Adviser
New York
$22.8M 11,328,000 – –
NI
3
Nextech Invest
Switzerland
$19.1M 9,526,146 +5,669,825 +147%
BCLSI
4
Bain Capital Life Sciences Investors
Massachusetts
$17.4M 8,663,673 – –
BlackRock
5
BlackRock
New York
$16.9M 8,383,910 +288,181 +4%
Vanguard Group
6
Vanguard Group
Pennsylvania
$13.5M 6,702,521 +428,151 +7%
RSCM
7
Rock Springs Capital Management
Maryland
$6.12M 3,046,782 – –
SSA
8
Schonfeld Strategic Advisors
New York
$5.98M 2,976,918 +1,968,260 +195%
Citadel Advisors
9
Citadel Advisors
Florida
$5.51M 2,743,599 -715,386 -21%
State Street
10
State Street
Massachusetts
$5.39M 2,682,055 -2,815,388 -51%
CAM
11
Cormorant Asset Management
Massachusetts
$5.23M 2,600,000 – –
SCM
12
Silverarc Capital Management
Massachusetts
$5.03M 2,500,585 -468,213 -16%
Geode Capital Management
13
Geode Capital Management
Massachusetts
$5.01M 2,493,423 +135,202 +6%
Morgan Stanley
14
Morgan Stanley
New York
$4.57M 2,272,594 -670,083 -23%
JPMorgan Chase & Co
15
JPMorgan Chase & Co
New York
$3.97M 1,976,899 +549,559 +39%
ACP
16
Acuta Capital Partners
California
$3.34M 1,663,000 -501,628 -23%
Deutsche Bank
17
Deutsche Bank
Germany
$3.17M 1,576,000 -9,263 -0.6%
WP
18
Woodline Partners
California
$2.95M 1,467,311 -1,467,311 -50%
D.E. Shaw & Co
19
D.E. Shaw & Co
New York
$2.95M 1,465,580 +242,957 +20%
Renaissance Technologies
20
Renaissance Technologies
New York
$2.91M 1,448,219 +20,400 +1%
5VM
21
5AM Venture Management
California
$2.62M 1,305,000 – –
Goldman Sachs
22
Goldman Sachs
New York
$2.5M 1,244,937 +572,330 +85%
BBA
23
Baker Bros. Advisors
New York
$2.18M 1,086,115 – –
Qube Research & Technologies (QRT)
24
Qube Research & Technologies (QRT)
United Kingdom
$2M 992,565 +32,870 +3%
OCA
25
Octagon Capital Advisors
New York
$1.99M 992,000 -8,000 -0.8%
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