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Spok Holdings

Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$55M -$2.08M -127,185 -3%
Vanguard Group
2
Vanguard Group
Pennsylvania
$36.4M +$181K +11,092 +0.5%
Dimensional Fund Advisors
3
Dimensional Fund Advisors
Texas
$26M -$525K -32,165 -2%
Renaissance Technologies
4
Renaissance Technologies
New York
$24.1M +$27.8K +1,700 +0.1%
PAIM
5
Punch & Associates Investment Management
Minnesota
$14M +$276K +16,888 +2%
NI
6
Numeric Investors
Massachusetts
$11.1M -$147K -9,028 -1%
State Street
7
State Street
Massachusetts
$10.2M -$41.2K -2,520 -0.4%
Bank of New York Mellon
8
Bank of New York Mellon
New York
$8.08M -$250K -15,302 -3%
American Century Companies
9
American Century Companies
Missouri
$4.28M +$42.7K +2,613 +0.9%
Northern Trust
10
Northern Trust
Illinois
$4.28M -$82.4K -5,042 -2%
Geode Capital Management
11
Geode Capital Management
Massachusetts
$4.06M +$311K +19,060 +8%
FP
12
Foundry Partners
Minnesota
$4M +$864K +52,900 +25%
BCM
13
Bridgeway Capital Management
Texas
$3.53M +$4.08K +250 +0.1%
Invesco
14
Invesco
Georgia
$3.51M +$738K +45,181 +25%
Morgan Stanley
15
Morgan Stanley
New York
$2.91M -$2.36M -144,639 -43%
Principal Financial Group
16
Principal Financial Group
Iowa
$2.43M -$90.6K -5,546 -3%
Ameriprise
17
Ameriprise
Minnesota
$2M -$289K -17,710 -12%
CS
18
Credit Suisse
Switzerland
$1.95M +$321K +19,651 +18%
AllianceBernstein
19
AllianceBernstein
Tennessee
$1.76M -$173K -10,590 -8%
HighTower Advisors
20
HighTower Advisors
Illinois
$1.69M -$159K -9,750 -8%
PPA
21
Parametric Portfolio Associates
Washington
$1.61M -$407K -24,889 -19%
JP Morgan Chase
22
JP Morgan Chase
New York
$1.56M +$110K +6,728 +7%
Royal Bank of Canada
23
Royal Bank of Canada
Ontario, Canada
$1.43M -$48.3K -2,960 -3%
Charles Schwab
24
Charles Schwab
California
$1.39M +$68.5K +4,195 +5%
Goldman Sachs
25
Goldman Sachs
New York
$1.38M -$96.7K -5,922 -6%