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Spok Holdings

Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$30.5M +$2.91M +180,478 +12%
Vanguard Group
2
Vanguard Group
Pennsylvania
$20.3M +$2.07M +128,225 +13%
Renaissance Technologies
3
Renaissance Technologies
New York
$18.7M +$600K +37,200 +4%
Dimensional Fund Advisors
4
Dimensional Fund Advisors
Texas
$12.6M +$183K +11,327 +2%
Goldman Sachs
5
Goldman Sachs
New York
$9.37M +$134K +8,315 +2%
Geode Capital Management
6
Geode Capital Management
Massachusetts
$9.17M +$483K +29,957 +6%
HighTower Advisors
7
HighTower Advisors
Illinois
$8.01M -$1.13M -69,842 -13%
State Street
8
State Street
Massachusetts
$7.87M +$127K +7,897 +2%
Acadian Asset Management
9
Acadian Asset Management
Massachusetts
$6.89M +$211K +13,077 +3%
CA
10
CSM Advisors
Pennsylvania
$6.17M +$5.63M +349,185 New
Northern Trust
11
Northern Trust
Illinois
$4.3M +$423K +26,221 +12%
JP Morgan Chase
12
JP Morgan Chase
New York
$3.96M +$403K +24,991 +13%
Connor, Clark & Lunn Investment Management (CC&L)
13
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$3.52M +$942K +58,416 +42%
Bank of New York Mellon
14
Bank of New York Mellon
New York
$3.46M +$86.9K +5,389 +3%
UIC
15
Uniplan Investment Counsel
Wisconsin
$3.33M -$276K -17,104 -8%
Morgan Stanley
16
Morgan Stanley
New York
$2.69M -$260K -16,093 -10%
PCM
17
Prelude Capital Management
New York
$2.62M -$75.8K -4,700 -3%
Qube Research & Technologies (QRT)
18
Qube Research & Technologies (QRT)
United Kingdom
$2.58M +$334K +20,730 +17%
NSIM
19
North Star Investment Management
Illinois
$2.16M
TI
20
Trexquant Investment
Connecticut
$1.97M -$514K -31,865 -22%
Two Sigma Investments
21
Two Sigma Investments
New York
$1.92M +$725K +44,939 +70%
Two Sigma Advisers
22
Two Sigma Advisers
New York
$1.39M +$197K +12,200 +18%
Nuveen
23
Nuveen
North Carolina
$1.29M -$138K -8,527 -10%
Lazard Asset Management
24
Lazard Asset Management
New York
$1.17M +$1.06M +65,484 +8,428%
Citadel Advisors
25
Citadel Advisors
Florida
$1.16M -$1.43M -88,903 -58%