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Spok Holdings

Name Holding Trade Value Shares
Change
Change in
Stake
BFA
1
BlackRock Fund Advisors
California
$38.7M -$1.17M -68,578 -3%
Vanguard Group
2
Vanguard Group
Pennsylvania
$36.7M +$5.34M +314,005 +18%
Renaissance Technologies
3
Renaissance Technologies
New York
$29M -$334K -19,616 -1%
Dimensional Fund Advisors
4
Dimensional Fund Advisors
Texas
$23.1M +$1.25M +73,612 +6%
PAIM
5
Punch & Associates Investment Management
Minnesota
$13.5M +$52.3K +3,074 +0.4%
BIT
6
BlackRock Institutional Trust
California
$13.5M +$356K +20,935 +3%
Wellington Management Group
7
Wellington Management Group
Massachusetts
$11.6M -$5.73M -336,607 -34%
State Street
8
State Street
Massachusetts
$9.8M -$130K -7,667 -1%
NI
9
Numeric Investors
Massachusetts
$8.37M -$2.49M -146,486 -23%
Bank of New York Mellon
10
Bank of New York Mellon
New York
$7.73M +$83.9K +4,933 +1%
OSAM
11
O'Shaughnessy Asset Management
Connecticut
$7.01M +$1.79M +105,225 +36%
Northern Trust
12
Northern Trust
Illinois
$5.48M +$19.7K +1,161 +0.4%
American Century Companies
13
American Century Companies
Missouri
$4.64M +$83K +4,879 +2%
Invesco
14
Invesco
Georgia
$4.48M +$878K +51,629 +25%
BCM
15
Bridgeway Capital Management
Texas
$4.03M -$3.4K -200 -0.1%
LSV Asset Management
16
LSV Asset Management
Illinois
$3.68M -$1.81M -106,225 -34%
RFC
17
Russell Frank Company
Washington
$3.4M +$3.04M +178,754 +1,176%
Geode Capital Management
18
Geode Capital Management
Massachusetts
$3.32M +$339K +19,956 +12%
Morgan Stanley
19
Morgan Stanley
New York
$2.8M -$416K -24,449 -13%
HighTower Advisors
20
HighTower Advisors
Illinois
$2.79M -$33.6K -1,977 -1%
Principal Financial Group
21
Principal Financial Group
Iowa
$2.5M +$55K +3,236 +2%
Wells Fargo
22
Wells Fargo
California
$2.34M +$27K +1,585 +1%
JP Morgan Chase
23
JP Morgan Chase
New York
$2.2M -$96.1K -5,647 -4%
PPA
24
Parametric Portfolio Associates
Washington
$2.17M +$160K +9,389 +8%
Ameriprise
25
Ameriprise
Minnesota
$2.17M +$32.9K +1,935 +2%