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Spok Holdings

Name Holding Trade Value Shares
Change
Change in
Stake
Group One Trading
101
Group One Trading
Illinois
$12K
MOACM
102
Mutual of America Capital Management
New York
$8K -$496 -42 -6%
LIA
103
LS Investment Advisors
Michigan
$7K
PHK
104
Point72 Hong Kong
Hong Kong
$7K +$6.35K +538 New
GEA
105
Glen Eagle Advisors
New Jersey
$6.12K
VCM
106
Versant Capital Management
Arizona
$5K -$673 -57 -11%
Fidelity Investments
107
Fidelity Investments
Massachusetts
$3K
ASN
108
Advisory Services Network
Georgia
$1K -$7.94K -673 -92%
TFO
109
Tarbox Family Office
California
$1K
TWA
110
TCI Wealth Advisors
Arizona
$1K
Citadel Advisors
111
Citadel Advisors
Florida
-$603K -50,473 Closed
Swiss National Bank
112
Swiss National Bank
Switzerland
-$408K -34,200 Closed
UBS AM
113
UBS AM
Illinois
-$281K -23,528 Closed
Simplex Trading
114
Simplex Trading
Illinois
-$193K -16,187 Closed
CS
115
Credit Suisse
Switzerland
-$163K -13,608 Closed
SFI
116
Susquehanna Fundamental Investments
Pennsylvania
-$155K -13,000 Closed
PP
117
Paloma Partners
Connecticut
-$154K -12,935 Closed
ARTA
118
A.R.T. Advisors
New York
-$152K -12,700 Closed
Susquehanna International Group
119
Susquehanna International Group
Pennsylvania
-$136K -11,426 Closed
MWNA
120
Marshall Wace North America
New York
-$76K -6,400 Closed
Acadian Asset Management
121
Acadian Asset Management
Massachusetts
-$55K -4,648 Closed
Victory Capital Management
122
Victory Capital Management
Texas
-$36K -2,975 Closed
QT
123
Quantamental Technologies
New York
-$9K -757 Closed
Zurich Cantonal Bank
124
Zurich Cantonal Bank
Switzerland
-$8K -700 Closed
MAM
125
Meeder Asset Management
Ohio
-$3K -262 Closed