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Spok Holdings

Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$41.2M -$1.01M -70,223 -2%
Vanguard Group
2
Vanguard Group
Pennsylvania
$25.1M +$1.36M +94,576 +5%
Dimensional Fund Advisors
3
Dimensional Fund Advisors
Texas
$21.6M -$259K -17,943 -1%
Renaissance Technologies
4
Renaissance Technologies
New York
$19.9M -$1.12M -77,689 -5%
PAIM
5
Punch & Associates Investment Management
Minnesota
$9.68M -$622K -43,191 -6%
State Street
6
State Street
Massachusetts
$8.7M -$209K -14,527 -2%
Man Group
7
Man Group
United Kingdom
$7.75M -$652K -45,274 -7%
Bank of New York Mellon
8
Bank of New York Mellon
New York
$5.29M -$1.62M -112,332 -22%
FP
9
Foundry Partners
Minnesota
$4.59M +$312K +21,675 +7%
American Century Companies
10
American Century Companies
Missouri
$3.97M -$161K -11,148 -4%
BCM
11
Bridgeway Capital Management
Texas
$3.63M -$513K -35,600 -11%
Northern Trust
12
Northern Trust
Illinois
$3.52M -$46K -3,192 -1%
Geode Capital Management
13
Geode Capital Management
Massachusetts
$3.25M +$68.2K +4,732 +2%
Assenagon Asset Management
14
Assenagon Asset Management
Luxembourg
$2.96M +$857K +59,453 +36%
AL
15
AJO LP
Pennsylvania
$2.71M +$349K +24,229 +13%
Goldman Sachs
16
Goldman Sachs
New York
$2.18M -$783K -54,361 -25%
SIM
17
Spark Investment Management
New York
$2.17M +$1.6M +110,700 +208%
Invesco
18
Invesco
Georgia
$2.16M -$310K -21,530 -12%
Principal Financial Group
19
Principal Financial Group
Iowa
$1.95M +$11.3K +784 +0.5%
AIM
20
Alambic Investment Management
California
$1.76M +$769K +53,367 +67%
PPA
21
Parametric Portfolio Associates
Washington
$1.7M +$367K +25,471 +25%
JP Morgan Chase
22
JP Morgan Chase
New York
$1.57M -$251K -17,424 -13%
SG Americas Securities
23
SG Americas Securities
New York
$1.45M +$137K +9,524 +10%
Ameriprise
24
Ameriprise
Minnesota
$1.36M -$438K -30,406 -23%
Charles Schwab
25
Charles Schwab
California
$1.32M -$20.7K -1,436 -1%