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Mersana Therapeutics
MRSN

Overview Fund Activity

77 hedge funds and large institutions have $162M invested in Mersana Therapeutics in 2019 Q2 according to their latest regulatory filings, with 20 funds opening new positions, 33 increasing their positions, 13 reducing their positions, and 6 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
77
Holders Change
+12
Holders Change %
+18.46%
% of All Funds
1.68%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.04%
New
20
Increased
33
Reduced
13
Closed
6
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
BC
Boxer Capital
California
+$8.44M
2
BlackRock
BlackRock
New York
+$6.04M
3
Vanguard Group
Vanguard Group
Pennsylvania
+$1.63M
4
State Street
State Street
Massachusetts
+$1.4M
5
Jacobs Levy Equity Management
Jacobs Levy Equity Management
New Jersey
+$676K

Top Sellers

1
EC
EcoR1 Capital
California
-$3.68M
2
Point72 Asset Management
Point72 Asset Management
Connecticut
-$3.52M
3
ACH
ArrowMark Colorado Holdings
Colorado
-$3.04M
4
PVI
Pura Vida Investments
New York
-$1.04M
5
DCM
DAFNA Capital Management
California
-$519K
Name Holding Trade Value Shares
Change 		Shares
Change %
OAM
26
Oxford Asset Management
United Kingdom
$571K +$571K +5,643 New
Assenagon Asset Management
27
Assenagon Asset Management
Luxembourg
$529K +$529K +5,224 New
PPA
28
Parametric Portfolio Associates
Washington
$498K +$21.7K +214 +5%
Nuveen Asset Management
29
Nuveen Asset Management
Illinois
$437K +$437K +4,312 New
Bank of New York Mellon
30
Bank of New York Mellon
New York
$434K +$277K +2,738 +177%
SIM
31
Spark Investment Management
New York
$433K +$219K +2,171 +103%
PAM
32
Panagora Asset Management
Massachusetts
$397K +$397K +3,923 New
HP
33
Hikari Power
Japan
$365K – – –
Charles Schwab
34
Charles Schwab
California
$345K +$204K +2,008 +144%
Citadel Advisors
35
Citadel Advisors
Florida
$326K +$138K +1,363 +73%
Deutsche Bank
36
Deutsche Bank
Germany
$285K -$437K -4,323 -61%
Millennium Management
37
Millennium Management
New York
$283K -$104K -1,030 -27%
Jane Street
38
Jane Street
New York
$249K +$203K +2,004 +441%
California State Teachers Retirement System (CalSTRS)
39
California State Teachers Retirement System (CalSTRS)
California
$224K +$147K +1,450 +190%
Allianz Asset Management
40
Allianz Asset Management
Germany
$212K +$4.36K +43 +2%
Acadian Asset Management
41
Acadian Asset Management
Massachusetts
$204K +$204K +2,013 New
BCM
42
Bridgeway Capital Management
Texas
$202K – – –
Bank of America
43
Bank of America
North Carolina
$189K +$48.4K +478 +34%
Goldman Sachs
44
Goldman Sachs
New York
$164K +$65.9K +652 +67%
Ameriprise
45
Ameriprise
Minnesota
$161K +$161K +1,595 New
RhumbLine Advisers
46
RhumbLine Advisers
Massachusetts
$160K +$92.1K +909 +136%
AG
47
Algert Global
California
$157K +$72.2K +712 +85%
Susquehanna International Group
48
Susquehanna International Group
Pennsylvania
$154K +$154K +1,517 New
New York State Common Retirement Fund
49
New York State Common Retirement Fund
New York
$149K +$99.9K +984 +203%
Dimensional Fund Advisors
50
Dimensional Fund Advisors
Texas
$135K +$135K +1,337 New
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