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Spok Holdings
SPOK

Name Holding Trade Value Shares
Change 		Change in
Stake
BFA
1
BlackRock Fund Advisors
California
$41.8M +$5.55M +313,668 +16%
Vanguard Group
2
Vanguard Group
Pennsylvania
$32.7M +$1.67M +94,239 +6%
Renaissance Technologies
3
Renaissance Technologies
New York
$30.7M -$836K -47,200 -3%
Dimensional Fund Advisors
4
Dimensional Fund Advisors
Texas
$22.9M +$1.05M +59,238 +5%
Wellington Management Group
5
Wellington Management Group
Massachusetts
$18.3M +$2.8M +158,367 +19%
PAIM
6
Punch & Associates Investment Management
Minnesota
$14.1M +$1.01M +56,799 +8%
BIT
7
BlackRock Institutional Trust
California
$13.7M -$48.8K -2,756 -0.4%
NI
8
Numeric Investors
Massachusetts
$11.4M +$2.7M +152,417 +32%
State Street
9
State Street
Massachusetts
$10.4M +$545K +30,798 +6%
Bank of New York Mellon
10
Bank of New York Mellon
New York
$8M -$571K -32,232 -7%
LSV Asset Management
11
LSV Asset Management
Illinois
$5.79M -$2.79M -157,639 -33%
Northern Trust
12
Northern Trust
Illinois
$5.79M -$479K -27,046 -8%
OSAM
13
O'Shaughnessy Asset Management
Connecticut
$5.42M +$1.47M +83,002 +39%
American Century Companies
14
American Century Companies
Missouri
$4.77M +$11.1K +629 +0.2%
BCM
15
Bridgeway Capital Management
Texas
$4.22M +$3.54K +200 +0.1%
Invesco
16
Invesco
Georgia
$3.74M +$656K +37,055 +22%
Morgan Stanley
17
Morgan Stanley
New York
$3.38M -$657K -37,097 -17%
Geode Capital Management
18
Geode Capital Management
Massachusetts
$3.11M +$133K +7,495 +5%
First Trust Advisors
19
First Trust Advisors
Illinois
$3.03M -$653K -36,856 -18%
HighTower Advisors
20
HighTower Advisors
Illinois
$2.93M -$31.9K -1,804 -1%
Principal Financial Group
21
Principal Financial Group
Iowa
$2.55M +$51.1K +2,887 +2%
Wells Fargo
22
Wells Fargo
California
$2.42M -$42K -2,371 -2%
JP Morgan Chase
23
JP Morgan Chase
New York
$2.4M +$958K +54,107 +70%
Ameriprise
24
Ameriprise
Minnesota
$2.23M -$78K -4,406 -3%
PPA
25
Parametric Portfolio Associates
Washington
$2.1M -$102K -5,748 -5%
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