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Spok Holdings

Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$25.4M +$2.61M +160,277 +12%
Vanguard Group
2
Vanguard Group
Pennsylvania
$16.8M -$453K -27,850 -3%
Renaissance Technologies
3
Renaissance Technologies
New York
$16.8M +$712K +43,800 +4%
Dimensional Fund Advisors
4
Dimensional Fund Advisors
Texas
$11.5M -$135K -8,285 -1%
HighTower Advisors
5
HighTower Advisors
Illinois
$8.59M -$2.34M -144,062 -22%
Goldman Sachs
6
Goldman Sachs
New York
$8.57M +$2.12M +130,478 +33%
Geode Capital Management
7
Geode Capital Management
Massachusetts
$8.03M -$424K -26,057 -5%
State Street
8
State Street
Massachusetts
$7.19M -$21.4K -1,314 -0.3%
Acadian Asset Management
9
Acadian Asset Management
Massachusetts
$6.2M +$119K +7,301 +2%
FP
10
Foundry Partners
Minnesota
$5.92M -$34.4K -2,115 -0.6%
Northern Trust
11
Northern Trust
Illinois
$3.56M +$158K +9,714 +5%
UIC
12
Uniplan Investment Counsel
Wisconsin
$3.38M +$28.4K +1,745 +0.9%
JP Morgan Chase
13
JP Morgan Chase
New York
$3.27M -$236K -14,513 -7%
Bank of New York Mellon
14
Bank of New York Mellon
New York
$3.13M -$161K -9,871 -5%
Morgan Stanley
15
Morgan Stanley
New York
$2.77M +$164K +10,116 +6%
Citadel Advisors
16
Citadel Advisors
Florida
$2.54M +$2.01M +123,508 +401%
PCM
17
Prelude Capital Management
New York
$2.51M +$61.8K +3,800 +3%
TI
18
Trexquant Investment
Connecticut
$2.36M +$600K +36,879 +35%
Connor, Clark & Lunn Investment Management (CC&L)
19
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$2.31M +$574K +35,321 +34%
Qube Research & Technologies (QRT)
20
Qube Research & Technologies (QRT)
United Kingdom
$2.06M +$865K +53,208 +74%
NSIM
21
North Star Investment Management
Illinois
$2.01M
Allspring Global Investments
22
Allspring Global Investments
North Carolina
$1.7M -$128K -7,890 -7%
Jacobs Levy Equity Management
23
Jacobs Levy Equity Management
New Jersey
$1.54M +$252K +15,484 +20%
Prudential Financial
24
Prudential Financial
New Jersey
$1.38M -$487K -29,980 -26%
Nuveen
25
Nuveen
North Carolina
$1.34M