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Mersana Therapeutics
MRSN

Overview Fund Activity

135 hedge funds and large institutions have $1.28B invested in Mersana Therapeutics in 2020 Q3 according to their latest regulatory filings, with 26 funds opening new positions, 55 increasing their positions, 37 reducing their positions, and 21 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
135
Holders Change
+5
Holders Change %
+3.85%
% of All Funds
2.73%
Holding in Top 10
8
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-11.11%
% of All Funds
0.16%
New
26
Increased
55
Reduced
37
Closed
21
Calls
$8.81M
Puts
$2.97M
Net Calls
+$5.83M
Net Calls Change
-$787K

Top Buyers

1
Alkeon Capital Management
1
Alkeon Capital Management
New York
$28.9M
2
State Street
2
State Street
Massachusetts
$54.9M
3
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$34M
4
Point72 Asset Management
4
Point72 Asset Management
Connecticut
$19.4M
5
Wellington Management Group
5
Wellington Management Group
Massachusetts
$70.6M

Top Sellers

1
CCM
1
Consonance Capital Management
New York
$64.6M
2
NMC
2
NEA Management Company
Maryland
$111M
3
MWNA
3
Marshall Wace North America
New York
$0
4
O
4
OrbiMed
New York
$24.7M
5
MIM
5
Monashee Investment Management
Massachusetts
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
Connor, Clark & Lunn Investment Management (CC&L)
51
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$2.63M -$365K -784 -12%
PHP
52
Parkman Healthcare Partners
Connecticut
$2.61M -$2.05M -4,397 -44%
EP
53
Eversept Partners
New York
$2.61M +$2.61M +5,600 New
Teacher Retirement System of Texas
54
Teacher Retirement System of Texas
Texas
$2.57M +$2.57M +5,524 New
Wells Fargo
55
Wells Fargo
California
$2.41M +$202K +435 +9%
California Public Employees Retirement System
56
California Public Employees Retirement System
California
$2.3M +$386K +829 +20%
Swiss National Bank
57
Swiss National Bank
Switzerland
$2.16M +$68.9K +148 +3%
CS
58
Credit Suisse
Switzerland
$2.1M +$1.02M +2,199 +95%
PIM
59
Platinum Investment Management
Australia
$2.07M – – –
SSA
60
Schonfeld Strategic Advisors
New York
$1.73M +$805K +1,729 +87%
State of Wisconsin Investment Board
61
State of Wisconsin Investment Board
Wisconsin
$1.7M +$255K +548 +18%
ACH
62
ArrowMark Colorado Holdings
Colorado
$1.68M – – –
Massachusetts Financial Services
63
Massachusetts Financial Services
Massachusetts
$1.49M +$1.49M +3,195 New
AllianceBernstein
64
AllianceBernstein
Tennessee
$1.46M +$18.6K +40 +1%
Rafferty Asset Management
65
Rafferty Asset Management
New York
$1.44M +$1.22M +2,630 +562%
IBT
66
International Biotechnology Trust
United Kingdom
$1.34M +$1.34M +2,880 New
Renaissance Technologies
67
Renaissance Technologies
New York
$1.33M -$5M -10,751 -79%
MS
68
Maven Securities
Jersey
$1.31M +$1.31M +2,804 New
Susquehanna International Group
69
Susquehanna International Group
Pennsylvania
$1.29M +$820K +1,763 +174%
RhumbLine Advisers
70
RhumbLine Advisers
Massachusetts
$1.2M -$83.3K -179 -6%
UBS AM
71
UBS AM
Illinois
$1.17M +$202K +433 +21%
BRA
72
Blue Rock Advisors
Minnesota
$1.14M +$1.14M +2,442 New
TD Asset Management
73
TD Asset Management
Ontario, Canada
$1.06M +$622K +1,336 +143%
AQR Capital Management
74
AQR Capital Management
Connecticut
$869K -$114K -244 -12%
ECM
75
ExodusPoint Capital Management
New York
$837K +$837K +1,798 New
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3
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