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Mersana Therapeutics

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
Name Holding Trade Value Shares
Change
Shares
Change %
Two Sigma Investments
51
Two Sigma Investments
New York
$120K -$159K -1,567 -57%
M&T Bank
52
M&T Bank
New York
$115K -$41.2K -407 -26%
Barclays
53
Barclays
United Kingdom
$115K +$59.9K +590 +109%
Manulife (Manufacturers Life Insurance)
54
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$113K +$113K +1,112 New
PWLP
55
Prio Wealth Limited Partnership
Massachusetts
$95K
Ohio Public Employees Retirement System (OPERS)
56
Ohio Public Employees Retirement System (OPERS)
Ohio
$94K +$94K +932 New
AIG
57
American International Group
New York
$92K +$59.7K +592 +184%
ARTA
58
A.R.T. Advisors
New York
$83K -$22.5K -221 -21%
CSS
59
Cubist Systematic Strategies
Connecticut
$61K +$3.34K +33 +6%
Walleye Capital
60
Walleye Capital
New York
$57K +$57K +560 New
Russell Investments Group
61
Russell Investments Group
United Kingdom
$56K +$16.5K +164 +42%
JG
62
Jefferies Group
New York
$56K +$56K +552 New
Walleye Trading
63
Walleye Trading
New York
$54K +$54K +536 New
VOYA Investment Management
64
VOYA Investment Management
Georgia
$53K +$53K +523 New
AllianceBernstein
65
AllianceBernstein
Tennessee
$53K +$53K +524 New
Two Sigma Advisers
66
Two Sigma Advisers
New York
$47K +$47K +460 New
Citigroup
67
Citigroup
New York
$37K +$23.3K +231 +170%
UBS Group
68
UBS Group
Switzerland
$30K +$24K +240 +400%
Legal & General Group
69
Legal & General Group
United Kingdom
$24K +$16.3K +163 +212%
Wells Fargo
70
Wells Fargo
California
$19K -$3.78K -38 -17%
TRCT
71
Tower Research Capital (TRC)
New York
$14K +$7.52K +72 +116%
BNP Paribas Financial Markets
72
BNP Paribas Financial Markets
France
$12.7K +$1.92K +19 +18%
Bank of Montreal
73
Bank of Montreal
Ontario, Canada
$12K +$12K +121 New
Royal Bank of Canada
74
Royal Bank of Canada
Ontario, Canada
$6K +$6K +63 New
AIP
75
Ameritas Investment Partners
Nebraska
$4K