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Spok Holdings

Name Holding Trade Value Shares
Change
Change in
Stake
Two Sigma Advisers
26
Two Sigma Advisers
New York
$1.09M +$545K +33,500 +102%
Two Sigma Investments
27
Two Sigma Investments
New York
$1.05M +$1.04M +63,830 New
Charles Schwab
28
Charles Schwab
California
$909K +$32K +1,966 +4%
HWAM
29
Hennion & Walsh Asset Management
New Jersey
$889K +$62.4K +3,840 +8%
Marshall Wace
30
Marshall Wace
United Kingdom
$876K +$866K +53,257 New
KWM
31
Keebeck Wealth Management
Illinois
$822K
II
32
Inspire Investing
Idaho
$799K -$21.4K -1,314 -3%
Millennium Management
33
Millennium Management
New York
$797K -$72K -4,426 -8%
Invesco
34
Invesco
Georgia
$626K -$32.9K -2,022 -5%
CSS
35
Cubist Systematic Strategies
Connecticut
$602K +$595K +36,604 New
American Century Companies
36
American Century Companies
Missouri
$561K +$67.8K +4,170 +14%
PAM
37
Panagora Asset Management
Massachusetts
$557K +$551K +33,863 New
State Board of Administration of Florida Retirement System
38
State Board of Administration of Florida Retirement System
Florida
$550K -$181K -11,145 -25%
RhumbLine Advisers
39
RhumbLine Advisers
Massachusetts
$543K -$29.6K -1,822 -5%
UBS Group
40
UBS Group
Switzerland
$507K -$217K -13,328 -30%
Ameriprise
41
Ameriprise
Minnesota
$506K
Jane Street
42
Jane Street
New York
$467K +$462K +28,394 New
Los Angeles Capital Management
43
Los Angeles Capital Management
California
$466K -$67.5K -4,150 -13%
Man Group
44
Man Group
United Kingdom
$448K +$443K +27,244 New
EGM
45
Engineers Gate Manager
New York
$442K -$59.1K -3,634 -12%
Susquehanna International Group
46
Susquehanna International Group
Pennsylvania
$422K +$186K +11,428 +80%
GCP
47
GSA Capital Partners
United Kingdom
$422K -$180K -11,059 -30%
Barclays
48
Barclays
United Kingdom
$391K -$60.8K -3,737 -14%
Royal Bank of Canada
49
Royal Bank of Canada
Ontario, Canada
$389K -$22K -1,355 -5%
Wells Fargo
50
Wells Fargo
California
$385K +$64.6K +3,975 +20%