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Mersana Therapeutics
MRSN

Overview Fund Activity

130 hedge funds and large institutions have $1.53B invested in Mersana Therapeutics in 2020 Q2 according to their latest regulatory filings, with 54 funds opening new positions, 50 increasing their positions, 23 reducing their positions, and 6 closing their positions.

Holders
130
Holders Change
+48
Holders Change %
+58.54%
% of All Funds
2.67%
Holding in Top 10
9
Holding in Top 10 Change
+5
Holding in Top 10 Change %
+125%
% of All Funds
0.19%
New
54
Increased
50
Reduced
23
Closed
6
Calls
$7.97M
Puts
$1.35M
Net Calls
+$6.62M
Net Calls Change
+$6.68M

Top Buyers

1
ACA
1
Avoro Capital Advisors
New York
$152M
2
CCM
2
Consonance Capital Management
New York
$138M
3
BlackRock
3
BlackRock
New York
$167M
4
BCLSI
4
Bain Capital Life Sciences Investors
Massachusetts
$80.6M
5
Wellington Management Group
5
Wellington Management Group
Massachusetts
$67.5M

Top Sellers

1
NMC
1
NEA Management Company
Maryland
$186M
2
GTC
2
Ghost Tree Capital
New York
$14.6M
3
SCM
3
Sarissa Capital Management
Connecticut
$60.1M
4
VA
4
VR Adviser
New York
$0
5
BI
5
BVF Inc
California
$0
Name Market Value Shares Shares
Change 		Shares
Change %
Two Sigma Advisers
51
Two Sigma Advisers
New York
$2.85M 121,600 +70,100 +136%
EGI
52
EAM Global Investors
California
$2.82M 120,442 +120,442 New
Charles Schwab
53
Charles Schwab
California
$2.78M 118,689 +32,584 +38%
Wells Fargo
54
Wells Fargo
California
$2.77M 118,288 +41,854 +55%
Federated Hermes
55
Federated Hermes
Pennsylvania
$2.66M 113,806 +50,598 +80%
Swiss National Bank
56
Swiss National Bank
Switzerland
$2.62M 112,096 +112,096 New
PAM
57
Panagora Asset Management
Massachusetts
$2.6M 111,154 -53,104 -32%
PIM
58
Platinum Investment Management
Australia
$2.6M 110,906 +110,906 New
California Public Employees Retirement System
59
California Public Employees Retirement System
California
$2.4M 102,703 +77,003 +300%
EI
60
EAM Investors
California
$2.19M 93,753 +93,753 New
ACH
61
ArrowMark Colorado Holdings
Colorado
$2.11M 90,000 +90,000 New
State of Wisconsin Investment Board
62
State of Wisconsin Investment Board
Wisconsin
$1.81M 77,500 +19,200 +33%
AllianceBernstein
63
AllianceBernstein
Tennessee
$1.81M 77,300 +38,300 +98%
California State Teachers Retirement System (CalSTRS)
64
California State Teachers Retirement System (CalSTRS)
California
$1.62M 69,156 +13,224 +24%
RhumbLine Advisers
65
RhumbLine Advisers
Massachusetts
$1.62M 69,150 +15,955 +30%
AI
66
Atom Investors
Texas
$1.57M 67,139 +67,139 New
PCM
67
Pinz Capital Management
New York
$1.42M 60,500 +60,500 New
Deutsche Bank
68
Deutsche Bank
Germany
$1.37M 58,326 +47,140 +421%
CS
69
Credit Suisse
Switzerland
$1.35M 57,772 +57,772 New
Janus Henderson Group
70
Janus Henderson Group
United Kingdom
$1.34M 57,367 +57,367 New
AQR Capital Management
71
AQR Capital Management
Connecticut
$1.24M 52,759 +32,552 +161%
UBS AM
72
UBS AM
Illinois
$1.22M 52,124 +52,124 New
Russell Investments Group
73
Russell Investments Group
United Kingdom
$1.2M 51,699 -40,523 -44%
SSA
74
Schonfeld Strategic Advisors
New York
$1.16M 49,437 +8,930 +22%
CSS
75
Cubist Systematic Strategies
Connecticut
$1.04M 44,485 +30,585 +220%
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