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Mersana Therapeutics
MRSN

Overview Fund Activity

126 hedge funds and large institutions have $366M invested in Mersana Therapeutics in 2022 Q2 according to their latest regulatory filings, with 19 funds opening new positions, 50 increasing their positions, 36 reducing their positions, and 19 closing their positions.

Holders
126
Holders Change
-2
Holders Change %
-1.56%
% of All Funds
2.13%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.03%
New
19
Increased
50
Reduced
36
Closed
19
Calls
$19K
Puts
$257K
Net Calls
-$238K
Net Calls Change
+$92K

Top Buyers

1
WP
1
Woodline Partners
California
$14.6M
2
BCLSI
2
Bain Capital Life Sciences Investors
Massachusetts
$40M
3
Vanguard Group
3
Vanguard Group
Pennsylvania
$21.9M
4
BlackRock
4
BlackRock
New York
$41M
5
SCM
5
Silverarc Capital Management
Massachusetts
$3.93M

Top Sellers

1
CIBC Asset Management
1
CIBC Asset Management
Ontario, Canada
$0
2
Two Sigma Investments
2
Two Sigma Investments
New York
$2.08M
3
RCP
3
Rho Capital Partners
New York
$0
4
Federated Hermes
4
Federated Hermes
Pennsylvania
$0
5
Morgan Stanley
5
Morgan Stanley
New York
$7.27M
Name Market Value Shares Shares
Change 		Shares
Change %
BlackRock
1
BlackRock
New York
$41M 8,881,019 +1,254,823 +16%
BCLSI
2
Bain Capital Life Sciences Investors
Massachusetts
$40M 8,663,673 +2,141,643 +33%
ACA
3
Avoro Capital Advisors
New York
$34.9M 7,550,000 +750,000 +11%
Vanguard Group
4
Vanguard Group
Pennsylvania
$21.9M 4,733,731 +1,298,461 +38%
Millennium Management
5
Millennium Management
New York
$20.2M 4,382,701 -501,048 -10%
SCM
6
Sarissa Capital Management
Connecticut
$19.9M 4,299,297 – –
RSCM
7
Rock Springs Capital Management
Maryland
$18.8M 4,075,958 +320,138 +9%
BG
8
Bellevue Group
Switzerland
$18M 3,895,200 -58,800 -1%
WP
9
Woodline Partners
California
$14.6M 3,161,576 +3,161,576 New
AG
10
Artal Group
Luxembourg
$10.2M 2,200,000 – –
CS
11
Candriam SCA
Luxembourg
$9.2M 1,990,559 +145,736 +8%
D.E. Shaw & Co
12
D.E. Shaw & Co
New York
$9.14M 1,977,930 -112,936 -5%
Goldman Sachs
13
Goldman Sachs
New York
$8.6M 1,860,347 +209,595 +13%
State Street
14
State Street
Massachusetts
$7.49M 1,620,330 +268,180 +20%
Morgan Stanley
15
Morgan Stanley
New York
$7.27M 1,573,704 -597,669 -28%
Geode Capital Management
16
Geode Capital Management
Massachusetts
$7.26M 1,571,940 +405,133 +35%
Deutsche Bank
17
Deutsche Bank
Germany
$5.2M 1,124,715 -30,962 -3%
Two Sigma Advisers
18
Two Sigma Advisers
New York
$5.02M 1,086,700 -262,800 -19%
OM
19
Opaleye Management
Massachusetts
$4.84M 1,047,000 +337,000 +47%
DCMIC
20
Decheng Capital Management III (Cayman)
Cayman Islands
$4.18M 904,268 – –
Northern Trust
21
Northern Trust
Illinois
$3.96M 856,486 +132,231 +18%
SCM
22
Silverarc Capital Management
Massachusetts
$3.93M 850,000 +850,000 New
Charles Schwab
23
Charles Schwab
California
$3.03M 656,164 +191,504 +41%
Renaissance Technologies
24
Renaissance Technologies
New York
$2.64M 570,319 -348,881 -38%
BNP Paribas Financial Markets
25
BNP Paribas Financial Markets
France
$2.49M 539,703 -112,910 -17%
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