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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 %
PIM
26
Platinum Investment Management
Australia
$2.29M 495,481 – –
UOC
27
UBS O'Connor
Illinois
$2.27M 491,048 +491,048 New
Wellington Management Group
28
Wellington Management Group
Massachusetts
$2.22M 480,644 – –
JPMorgan Chase & Co
29
JPMorgan Chase & Co
New York
$2.09M 451,139 +141,510 +46%
Two Sigma Investments
30
Two Sigma Investments
New York
$2.08M 451,174 -824,460 -65%
FAM
31
Fred Alger Management
New York
$2.08M 449,661 +126,593 +39%
Nuveen Asset Management
32
Nuveen Asset Management
Illinois
$2.04M 441,834 +142,384 +48%
DCM
33
DAFNA Capital Management
California
$1.88M 406,763 +54,000 +15%
Hudson Bay Capital Management
34
Hudson Bay Capital Management
Connecticut
$1.85M 400,000 -35,000 -8%
Citadel Advisors
35
Citadel Advisors
Florida
$1.62M 351,415 -335,274 -49%
Bank of New York Mellon
36
Bank of New York Mellon
New York
$1.59M 343,712 +60,617 +21%
EC
37
EcoR1 Capital
California
$1.44M 310,960 -15,618 -5%
PP
38
PDT Partners
New York
$1.12M 241,899 -84,520 -26%
State of Wisconsin Investment Board
39
State of Wisconsin Investment Board
Wisconsin
$1.11M 240,729 +45,429 +23%
Allianz Asset Management
40
Allianz Asset Management
Germany
$1.09M 235,225 +26,705 +13%
Squarepoint
41
Squarepoint
New York
$1.05M 226,372 -262,625 -54%
Dimensional Fund Advisors
42
Dimensional Fund Advisors
Texas
$965K 209,060 +23,020 +12%
GCM
43
Graham Capital Management
Connecticut
$938K 203,067 +203,067 New
Swiss National Bank
44
Swiss National Bank
Switzerland
$822K 177,996 +42,000 +31%
GCP
45
GSA Capital Partners
United Kingdom
$780K 168,744 +90,038 +114%
Macquarie Group
46
Macquarie Group
Australia
$713K 154,418 – –
T. Rowe Price Associates
47
T. Rowe Price Associates
Maryland
$646K 139,819 +1,785 +1%
RhumbLine Advisers
48
RhumbLine Advisers
Massachusetts
$626K 135,544 +55,659 +70%
Fidelity Investments
49
Fidelity Investments
Massachusetts
$570K 123,379 -3,324 -3%
CSS
50
Cubist Systematic Strategies
Connecticut
$552K 119,516 -166,478 -58%
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