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Mersana Therapeutics
MRSN

Overview Fund Activity

42 hedge funds and large institutions have $302M invested in Mersana Therapeutics in 2017 Q3 according to their latest regulatory filings, with 24 funds opening new positions, 5 increasing their positions, 7 reducing their positions, and 11 closing their positions.

Holders
42
Holders Change
+13
Holders Change %
+44.83%
% of All Funds
1.05%
Holding in Top 10
3
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.07%
New
24
Increased
5
Reduced
7
Closed
11
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
Wellington Management Group
1
Wellington Management Group
Massachusetts
$41.3M
2
BlackRock
2
BlackRock
New York
$4.56M
3
CAM
3
Cormorant Asset Management
Massachusetts
$5.11M
4
ACH
4
ArrowMark Colorado Holdings
Colorado
$8.26M
5
Vanguard Group
5
Vanguard Group
Pennsylvania
$2.74M

Top Sellers

1
RSCM
1
Rock Springs Capital Management
Maryland
$23M
2
SCM
2
Scopia Capital Management
New York
$0
3
Alyeska Investment Group
3
Alyeska Investment Group
Illinois
$0
4
MIM
4
Monashee Investment Management
Massachusetts
$0
5
Tudor Investment Corp
5
Tudor Investment Corp
Connecticut
$346K
Name Market Value Shares Shares
Change 		Shares
Change %
Bank of New York Mellon
26
Bank of New York Mellon
New York
$231K 13,360 +13,360 New
Deutsche Bank
27
Deutsche Bank
Germany
$144K 8,447 +4,647 +122%
California State Teachers Retirement System (CalSTRS)
28
California State Teachers Retirement System (CalSTRS)
California
$142K 8,200 +8,200 New
TA
29
Teachers Advisors
New York
$101K 5,869 +5,869 New
Bank of America
30
Bank of America
North Carolina
$91K 5,244 +5,244 New
Barclays
31
Barclays
United Kingdom
$66K 3,802 +3,802 New
AIG
32
American International Group
New York
$56K 3,231 +3,231 New
NFA
33
Nationwide Fund Advisors
Ohio
$39K 2,230 +2,230 New
UBS Group
34
UBS Group
Switzerland
$28K 1,590 -95 -6%
SO
35
STRS Ohio
Ohio
$25K 1,500 +1,500 New
New York State Common Retirement Fund
36
New York State Common Retirement Fund
New York
$17K 1,000 +1,000 New
Legal & General Group
37
Legal & General Group
United Kingdom
$12K 703 +703 New
TCIM
38
TIAA CREF Investment Management
New York
$11K 652 +652 New
Manulife (Manufacturers Life Insurance)
39
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$9K 510 +510 New
Wells Fargo
40
Wells Fargo
California
$6K 352 +352 New
Royal Bank of Canada
41
Royal Bank of Canada
Ontario, Canada
$6K 354 +354 New
TRCT
42
Tower Research Capital (TRC)
New York
$5K 303 +303 New
SCM
43
Scopia Capital Management
New York
– – -203,626 Closed
Alyeska Investment Group
44
Alyeska Investment Group
Illinois
– – -125,000 Closed
MIM
45
Monashee Investment Management
Massachusetts
– – -107,772 Closed
Goldman Sachs
46
Goldman Sachs
New York
– – -50,000 Closed
SSA
47
Schonfeld Strategic Advisors
New York
– – -35,000 Closed
HI
48
HBK Investments
Texas
– – -20,000 Closed
ZP
49
Zimmer Partners
New York
– – -20,000 Closed
Citadel Advisors
50
Citadel Advisors
Florida
– – -12,824 Closed
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