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Spok Holdings

Name Holding Trade Value Shares
Change
Change in
Stake
DRZID
1
DePrince Race & Zollo Inc (DRZ)
Florida
$15.5M +$640K +71,230 +5%
Dimensional Fund Advisors
2
Dimensional Fund Advisors
Texas
$13.6M -$948K -105,528 -7%
Renaissance Technologies
3
Renaissance Technologies
New York
$12.6M -$2.54M -283,049 -19%
Vanguard Group
4
Vanguard Group
Pennsylvania
$8.57M -$1.25M -138,600 -14%
Millennium Management
5
Millennium Management
New York
$5.02M +$1.88M +209,392 +74%
BlackRock
6
BlackRock
New York
$4.28M -$14.9M -1,661,564 -80%
TAM
7
Tocqueville Asset Management
New York
$4.1M
Assenagon Asset Management
8
Assenagon Asset Management
Luxembourg
$3.87M +$3.4M +378,487 New
Russell Investments Group
9
Russell Investments Group
United Kingdom
$3.34M +$415K +46,219 +16%
FP
10
Foundry Partners
Minnesota
$3.17M +$456K +50,804 +20%
Morgan Stanley
11
Morgan Stanley
New York
$2.86M +$1.74M +193,201 +223%
Bank of New York Mellon
12
Bank of New York Mellon
New York
$2.63M -$793K -88,273 -26%
Grantham, Mayo, Van Otterloo & Co (GMO)
13
Grantham, Mayo, Van Otterloo & Co (GMO)
Massachusetts
$2.32M +$483K +53,800 +31%
Franklin Resources
14
Franklin Resources
California
$2.21M +$1.82M +203,122 +1,602%
Arrowstreet Capital
15
Arrowstreet Capital
Massachusetts
$2.16M -$13.5K -1,504 -0.7%
BCM
16
Bridgeway Capital Management
Texas
$2.1M +$1.07M +119,516 +138%
Two Sigma Advisers
17
Two Sigma Advisers
New York
$1.98M +$1.29M +143,300 +283%
Susquehanna International Group
18
Susquehanna International Group
Pennsylvania
$1.98M +$1.74M +193,546 New
Geode Capital Management
19
Geode Capital Management
Massachusetts
$1.87M -$14.2K -1,586 -0.9%
Marshall Wace
20
Marshall Wace
United Kingdom
$1.67M +$1.35M +150,401 +1,161%
KCM
21
Kennedy Capital Management
Missouri
$1.54M +$1.35M +150,424 New
HighTower Advisors
22
HighTower Advisors
Illinois
$1.38M +$1.1M +122,100 +890%
BCM
23
BCK Capital Management
Connecticut
$1.37M +$1.2M +133,645 New
William Blair & Company
24
William Blair & Company
Illinois
$1.24M -$327K -36,436 -23%
PGCM
25
Prescott Group Capital Management
Oklahoma
$1.17M +$1.03M +114,697 New