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Spok Holdings
SPOK

Name Holding Trade Value Shares
Change 		Change in
Stake
BFA
1
BlackRock Fund Advisors
California
$43.5M +$3.62M +197,143 +10%
Vanguard Group
2
Vanguard Group
Pennsylvania
$34.5M +$1.21M +65,884 +4%
Renaissance Technologies
3
Renaissance Technologies
New York
$33.6M +$220K +12,000 +0.7%
Dimensional Fund Advisors
4
Dimensional Fund Advisors
Texas
$21M +$897K +48,862 +5%
LSV Asset Management
5
LSV Asset Management
Illinois
$19.3M -$520K -28,300 -3%
BIT
6
BlackRock Institutional Trust
California
$15.6M -$444K -24,204 -3%
PAIM
7
Punch & Associates Investment Management
Minnesota
$11.5M -$8.04K -438 -0.1%
State Street
8
State Street
Massachusetts
$10.1M +$92.2K +5,023 +1%
NI
9
Numeric Investors
Massachusetts
$8.99M +$305K +16,600 +4%
Bank of New York Mellon
10
Bank of New York Mellon
New York
$8.46M -$325K -17,682 -4%
RA
11
Royce & Associates
New York
$7.16M +$192K +10,450 +3%
Northern Trust
12
Northern Trust
Illinois
$7.06M +$1.38M +75,043 +26%
Wellington Management Group
13
Wellington Management Group
Massachusetts
$5.35M +$5.13M +279,300 New
American Century Companies
14
American Century Companies
Missouri
$5.35M -$1.12M -60,764 -18%
Morgan Stanley
15
Morgan Stanley
New York
$4.41M +$1.85M +100,774 +78%
Invesco
16
Invesco
Georgia
$4.03M +$198K +10,766 +5%
First Trust Advisors
17
First Trust Advisors
Illinois
$3.87M -$258K -14,073 -7%
Charles Schwab
18
Charles Schwab
California
$3.53M +$723K +39,374 +27%
BCM
19
Bridgeway Capital Management
Texas
$3.37M +$210K +11,414 +7%
HighTower Advisors
20
HighTower Advisors
Illinois
$3.09M +$679K +36,985 +30%
Geode Capital Management
21
Geode Capital Management
Massachusetts
$2.87M +$143K +7,789 +5%
Prudential Financial
22
Prudential Financial
New Jersey
$2.68M -$719K -39,133 -22%
Ameriprise
23
Ameriprise
Minnesota
$2.59M +$129K +7,041 +5%
Principal Financial Group
24
Principal Financial Group
Iowa
$2.58M +$55.3K +3,011 +2%
Wells Fargo
25
Wells Fargo
California
$2.54M -$133K -7,253 -5%
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