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Mersana Therapeutics
MRSN

Overview Fund Activity

76 hedge funds and large institutions have $60.8M invested in Mersana Therapeutics in 2019 Q3 according to their latest regulatory filings, with 6 funds opening new positions, 33 increasing their positions, 22 reducing their positions, and 7 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
76
Holders Change
-1
Holders Change %
-1.3%
% of All Funds
1.67%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.04%
New
6
Increased
33
Reduced
22
Closed
7
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
BI
BVF Inc
California
+$2.44M
2
Renaissance Technologies
Renaissance Technologies
New York
+$791K
3
DCM
DAFNA Capital Management
California
+$358K
4
PAM
Panagora Asset Management
Massachusetts
+$300K
5
Northern Trust
Northern Trust
Illinois
+$291K

Top Sellers

1
EC
EcoR1 Capital
California
-$5.64M
2
ACH
ArrowMark Colorado Holdings
Colorado
-$3.24M
3
BC
Boxer Capital
California
-$637K
4
Assenagon Asset Management
Assenagon Asset Management
Luxembourg
-$529K
5
SIM
Spark Investment Management
New York
-$433K
Name Holding Trade Value Shares
Change 		Shares
Change %
Two Sigma Investments
26
Two Sigma Investments
New York
$184K +$137K +3,481 +294%
BCM
27
Bridgeway Capital Management
Texas
$178K +$99.4K +2,520 +127%
Nuveen Asset Management
28
Nuveen Asset Management
Illinois
$171K – – –
Bank of New York Mellon
29
Bank of New York Mellon
New York
$160K -$9.65K -244 -6%
Acadian Asset Management
30
Acadian Asset Management
Massachusetts
$160K +$80.7K +2,051 +102%
Citadel Advisors
31
Citadel Advisors
Florida
$147K +$19.8K +502 +16%
HP
32
Hikari Power
Japan
$143K – – –
Charles Schwab
33
Charles Schwab
California
$135K – – –
Goldman Sachs
34
Goldman Sachs
New York
$116K +$51.7K +1,302 +80%
Dimensional Fund Advisors
35
Dimensional Fund Advisors
Texas
$98K +$45.4K +1,155 +86%
PPA
36
Parametric Portfolio Associates
Washington
$92K -$102K -2,586 -53%
California State Teachers Retirement System (CalSTRS)
37
California State Teachers Retirement System (CalSTRS)
California
$87K – – –
Deutsche Bank
38
Deutsche Bank
Germany
$86K -$24.1K -618 -22%
Wells Fargo
39
Wells Fargo
California
$78K +$70.5K +1,802 +943%
ARTA
40
A.R.T. Advisors
New York
$76K +$43.9K +1,116 +137%
RhumbLine Advisers
41
RhumbLine Advisers
Massachusetts
$69K +$6.96K +177 +11%
Millennium Management
42
Millennium Management
New York
$67K -$43.2K -1,098 -39%
Bank of America
43
Bank of America
North Carolina
$64K -$9.53K -242 -13%
AG
44
Algert Global
California
$61K – – –
Two Sigma Advisers
45
Two Sigma Advisers
New York
$57K +$38.7K +976 +212%
Barclays
46
Barclays
United Kingdom
$46K +$1.46K +37 +3%
UBS Group
47
UBS Group
Switzerland
$45K +$33.2K +840 +280%
JG
48
Jefferies Group
New York
$40K +$18.4K +469 +85%
PWLP
49
Prio Wealth Limited Partnership
Massachusetts
$37K – – –
AIG
50
American International Group
New York
$36K -$238 -6 -0.7%
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