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Spok Holdings

Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$23.7M -$1.92M -135,713 -7%
Renaissance Technologies
2
Renaissance Technologies
New York
$16.4M +$1.05M +74,029 +6%
Vanguard Group
3
Vanguard Group
Pennsylvania
$16.2M +$1.05M +74,447 +6%
Dimensional Fund Advisors
4
Dimensional Fund Advisors
Texas
$9.28M -$216K -15,224 -2%
Geode Capital Management
5
Geode Capital Management
Massachusetts
$7.9M -$37.9K -2,674 -0.4%
State Street
6
State Street
Massachusetts
$5.89M -$149K -10,509 -2%
HighTower Advisors
7
HighTower Advisors
Illinois
$5.04M -$363K -25,636 -6%
Goldman Sachs
8
Goldman Sachs
New York
$4.78M -$473K -33,429 -8%
Acadian Asset Management
9
Acadian Asset Management
Massachusetts
$4.25M -$1.5M -106,017 -25%
CA
10
CSM Advisors
Pennsylvania
$3.47M -$1.01M -71,400 -21%
Northern Trust
11
Northern Trust
Illinois
$2.86M -$338K -23,892 -10%
Bank of New York Mellon
12
Bank of New York Mellon
New York
$2.81M +$239K +16,905 +9%
Connor, Clark & Lunn Investment Management (CC&L)
13
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$2.6M -$870K -61,419 -24%
Qube Research & Technologies (QRT)
14
Qube Research & Technologies (QRT)
United Kingdom
$2.35M +$228K +16,117 +10%
Morgan Stanley
15
Morgan Stanley
New York
$2.34M +$476K +33,630 +23%
TI
16
Trexquant Investment
Connecticut
$2.25M +$1.16M +81,784 +92%
UIC
17
Uniplan Investment Counsel
Wisconsin
$2.12M -$3.47K -245 -0.2%
Fidelity Investments
18
Fidelity Investments
Massachusetts
$1.67M +$1.52M +107,153 +540%
Millennium Management
19
Millennium Management
New York
$1.66M +$1.38M +97,515 +345%
NSIM
20
North Star Investment Management
Illinois
$1.61M
Jacobs Levy Equity Management
21
Jacobs Levy Equity Management
New Jersey
$1.57M +$776K +54,803 +85%
Los Angeles Capital Management
22
Los Angeles Capital Management
California
$1.41M +$515K +36,336 +55%
PAM
23
Panagora Asset Management
Massachusetts
$1.23M +$451K +31,859 +52%
QCM
24
Quantinno Capital Management
New York
$1.22M +$1.16M +81,941 +760%
JP Morgan Chase
25
JP Morgan Chase
New York
$1.21M -$322K -22,710 -20%