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Mersana Therapeutics
MRSN

Overview Fund Activity

122 hedge funds and large institutions have $436M invested in Mersana Therapeutics in 2021 Q4 according to their latest regulatory filings, with 30 funds opening new positions, 45 increasing their positions, 24 reducing their positions, and 16 closing their positions.

Holders
122
Holders Change
+12
Holders Change %
+10.91%
% of All Funds
1.88%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.03%
New
30
Increased
45
Reduced
24
Closed
16
Calls
$92K
Puts
$1.03M
Net Calls
-$938K
Net Calls Change
-$588K

Top Buyers

1
BCLSI
1
Bain Capital Life Sciences Investors
Massachusetts
$33.5M
2
Point72 Asset Management
2
Point72 Asset Management
Connecticut
$5.09M
3
D.E. Shaw & Co
3
D.E. Shaw & Co
New York
$4.01M
4
Morgan Stanley
4
Morgan Stanley
New York
$7.64M
5
BNP Paribas Financial Markets
5
BNP Paribas Financial Markets
France
$3.85M

Top Sellers

1
PAMS
1
Pictet Asset Management (Switzerland)
Switzerland
$0
2
Alkeon Capital Management
2
Alkeon Capital Management
New York
$0
3
BlackRock
3
BlackRock
New York
$46.5M
4
Wellington Management Group
4
Wellington Management Group
Massachusetts
$31.2M
5
T. Rowe Price Associates
5
T. Rowe Price Associates
Maryland
$712K
Name Market Value Shares Shares
Change 		Shares
Change %
PIM
26
Platinum Investment Management
Australia
$3.08M 495,481 +384,575 +347%
Charles Schwab
27
Charles Schwab
California
$3.04M 488,005 +5,695 +1%
Walleye Capital
28
Walleye Capital
New York
$2.46M 394,760 +275,458 +231%
Renaissance Technologies
29
Renaissance Technologies
New York
$2.13M 342,600 +342,600 New
Citadel Advisors
30
Citadel Advisors
Florida
$1.92M 308,507 +261,664 +559%
Nuveen Asset Management
31
Nuveen Asset Management
Illinois
$1.82M 292,957 +16,769 +6%
Hudson Bay Capital Management
32
Hudson Bay Capital Management
Connecticut
$1.8M 290,000 +115,000 +66%
Bank of New York Mellon
33
Bank of New York Mellon
New York
$1.74M 279,930 +9,121 +3%
Rafferty Asset Management
34
Rafferty Asset Management
New York
$1.73M 278,798 +116,762 +72%
Allianz Asset Management
35
Allianz Asset Management
Germany
$1.71M 274,368 +41,911 +18%
FAM
36
Fred Alger Management
New York
$1.42M 228,490 +228,490 New
Citigroup
37
Citigroup
New York
$1.41M 227,032 +113,681 +100%
Federated Hermes
38
Federated Hermes
Pennsylvania
$1.26M 202,583 +202,583 New
Dimensional Fund Advisors
39
Dimensional Fund Advisors
Texas
$1.21M 194,516 +7,000 +4%
UBS Group
40
UBS Group
Switzerland
$1.13M 181,163 +92,932 +105%
Macquarie Group
41
Macquarie Group
Australia
$960K 154,418 -2,346 -1%
Axa
42
Axa
France
$921K 148,000 +148,000 New
DCM
43
DAFNA Capital Management
California
$872K 140,263 – –
Swiss National Bank
44
Swiss National Bank
Switzerland
$786K 126,396 +3,400 +3%
Susquehanna International Group
45
Susquehanna International Group
Pennsylvania
$759K 121,957 +28,216 +30%
Fidelity Investments
46
Fidelity Investments
Massachusetts
$757K 121,687 -116,347 -49%
HF
47
HRT Financial
New York
$727K 116,922 +116,922 New
T. Rowe Price Associates
48
T. Rowe Price Associates
Maryland
$712K 114,447 -866,449 -88%
CSS
49
Cubist Systematic Strategies
Connecticut
$699K 112,312 +112,312 New
PP
50
PDT Partners
New York
$695K 111,670 +81,175 +266%
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