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Spok Holdings

Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$39.8M -$2.5M -180,224 -6%
Dimensional Fund Advisors
2
Dimensional Fund Advisors
Texas
$22.1M -$85.4K -6,154 -0.4%
Renaissance Technologies
3
Renaissance Technologies
New York
$20.9M +$447K +32,184 +2%
Vanguard Group
4
Vanguard Group
Pennsylvania
$19.1M -$6.83M -491,925 -26%
PAIM
5
Punch & Associates Investment Management
Minnesota
$10.1M +$115K +8,272 +1%
State Street
6
State Street
Massachusetts
$8.28M -$676K -48,660 -7%
Man Group
7
Man Group
United Kingdom
$7.96M +$4.17K +300 +0.1%
Grantham, Mayo, Van Otterloo & Co (GMO)
8
Grantham, Mayo, Van Otterloo & Co (GMO)
Massachusetts
$5.21M +$5.31M +382,200 New
FP
9
Foundry Partners
Minnesota
$5.2M +$493K +35,475 +10%
Bank of New York Mellon
10
Bank of New York Mellon
New York
$4.99M -$452K -32,532 -8%
DRZID
11
DePrince Race & Zollo Inc (DRZ)
Florida
$4.45M +$4.53M +326,505 New
American Century Companies
12
American Century Companies
Missouri
$3.77M -$318K -22,929 -8%
Geode Capital Management
13
Geode Capital Management
Massachusetts
$3.55M +$222K +15,972 +7%
Northern Trust
14
Northern Trust
Illinois
$3.42M -$196K -14,091 -5%
Goldman Sachs
15
Goldman Sachs
New York
$2.47M +$235K +16,949 +10%
Assenagon Asset Management
16
Assenagon Asset Management
Luxembourg
$2.28M -$774K -55,727 -25%
Invesco
17
Invesco
Georgia
$2.21M -$8.58K -618 -0.4%
Principal Financial Group
18
Principal Financial Group
Iowa
$1.97M -$32.5K -2,340 -2%
SIM
19
Spark Investment Management
New York
$1.82M -$420K -30,277 -18%
Arrowstreet Capital
20
Arrowstreet Capital
Massachusetts
$1.77M +$676K +48,665 +60%
PPA
21
Parametric Portfolio Associates
Washington
$1.73M -$22.3K -1,606 -1%
MAM
22
Martingale Asset Management
Massachusetts
$1.59M +$914K +65,800 +130%
OAM
23
Oxford Asset Management
United Kingdom
$1.49M +$342K +24,601 +29%
SG Americas Securities
24
SG Americas Securities
New York
$1.42M -$73.4K -5,284 -5%
Ameriprise
25
Ameriprise
Minnesota
$1.4M -$4.44K -320 -0.3%