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Mersana Therapeutics
MRSN

Overview Fund Activity

50 hedge funds and large institutions have $283M invested in Mersana Therapeutics in 2017 Q4 according to their latest regulatory filings, with 13 funds opening new positions, 17 increasing their positions, 10 reducing their positions, and 5 closing their positions.

Holders
50
Holders Change
+8
Holders Change %
+19.05%
% of All Funds
1.14%
Holding in Top 10
3
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.07%
New
13
Increased
17
Reduced
10
Closed
5
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
Fidelity International
1
Fidelity International
Bermuda
$7.78M
2
ACH
2
ArrowMark Colorado Holdings
Colorado
$14.8M
3
BlackRock
3
BlackRock
New York
$9.49M
4
Wellington Management Group
4
Wellington Management Group
Massachusetts
$39.7M
5
Vanguard Group
5
Vanguard Group
Pennsylvania
$2.98M

Top Sellers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$4.38M
2
Millennium Management
2
Millennium Management
New York
$0
3
LCM
3
Laurion Capital Management
New York
$0
4
Tudor Investment Corp
4
Tudor Investment Corp
Connecticut
$0
5
Citigroup
5
Citigroup
New York
$21K
Name Market Value Shares Shares
Change 		Shares
Change %
SIM
26
Spark Investment Management
New York
$213K 13,000 -5,688 -30%
CS
27
Candriam SCA
Luxembourg
$197K 12,000 +12,000 New
Deutsche Bank
28
Deutsche Bank
Germany
$187K 11,405 +2,958 +35%
Bank of America
29
Bank of America
North Carolina
$150K 9,100 +3,856 +74%
California State Teachers Retirement System (CalSTRS)
30
California State Teachers Retirement System (CalSTRS)
California
$135K 8,200 – –
TCIM
31
TIAA CREF Investment Management
New York
$132K 8,037 +7,385 +1,133%
TA
32
Teachers Advisors
New York
$96K 5,869 – –
Wells Fargo
33
Wells Fargo
California
$76K 4,655 +4,303 +1,222%
AIG
34
American International Group
New York
$56K 3,404 +173 +5%
New York State Common Retirement Fund
35
New York State Common Retirement Fund
New York
$54K 3,300 +2,300 +230%
Manulife (Manufacturers Life Insurance)
36
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$25K 1,568 +1,058 +207%
SO
37
STRS Ohio
Ohio
$24K 1,500 – –
Citigroup
38
Citigroup
New York
$21K 1,328 -17,484 -93%
UBS Group
39
UBS Group
Switzerland
$21K 1,286 -304 -19%
BBHC
40
Brown Brothers Harriman & Co
New York
$19K 1,144 +1,144 New
BNP Paribas Financial Markets
41
BNP Paribas Financial Markets
France
$17.5K 1,063 +1,063 New
Barclays
42
Barclays
United Kingdom
$13K 801 -3,001 -79%
Legal & General Group
43
Legal & General Group
United Kingdom
$12K 703 – –
Parallax Volatility Advisers
44
Parallax Volatility Advisers
California
$12K 756 +756 New
RA
45
Royce & Associates
New York
$6K 342 +342 New
AIP
46
Ameritas Investment Partners
Nebraska
$5K 330 +330 New
PCM
47
Prelude Capital Management
New York
$2K 94 +94 New
Royal Bank of Canada
48
Royal Bank of Canada
Ontario, Canada
$1K 44 -310 -88%
STA
49
Summit Trail Advisors
New York
$1K 53 +53 New
Millennium Management
50
Millennium Management
New York
– – -55,256 Closed
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