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Spok Holdings

Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$35.4M +$867K +67,100 +2%
Dimensional Fund Advisors
2
Dimensional Fund Advisors
Texas
$19.3M -$85.2K -6,594 -0.4%
Renaissance Technologies
3
Renaissance Technologies
New York
$18.4M +$395K +30,559 +2%
Vanguard Group
4
Vanguard Group
Pennsylvania
$16.6M +$124K +9,605 +0.7%
PAIM
5
Punch & Associates Investment Management
Minnesota
$8.9M +$82.2K +6,362 +0.9%
State Street
6
State Street
Massachusetts
$7.29M +$114K +8,830 +1%
DRZID
7
DePrince Race & Zollo Inc (DRZ)
Florida
$6.63M +$866 +67 +0%
Grantham, Mayo, Van Otterloo & Co (GMO)
8
Grantham, Mayo, Van Otterloo & Co (GMO)
Massachusetts
$5.32M +$772K +59,788 +15%
FP
9
Foundry Partners
Minnesota
$4.35M -$191K -14,780 -4%
Bank of New York Mellon
10
Bank of New York Mellon
New York
$4.33M -$249K -19,278 -5%
Northern Trust
11
Northern Trust
Illinois
$3.26M +$350K +27,056 +11%
Geode Capital Management
12
Geode Capital Management
Massachusetts
$3.05M +$35.2K +2,727 +1%
Russell Investments Group
13
Russell Investments Group
United Kingdom
$2.29M +$718K +55,542 +41%
Arrowstreet Capital
14
Arrowstreet Capital
Massachusetts
$2.22M +$963K +74,577 +67%
Nuveen
15
Nuveen
North Carolina
$2.17M +$1.36M +105,603 +139%
JP Morgan Chase
16
JP Morgan Chase
New York
$2.04M +$1.39M +107,263 +168%
Man Group
17
Man Group
United Kingdom
$1.81M -$5.4M -417,673 -73%
Principal Financial Group
18
Principal Financial Group
Iowa
$1.69M -$26K -2,010 -1%
OAM
19
Oxford Asset Management
United Kingdom
$1.66M +$182K +14,057 +11%
Invesco
20
Invesco
Georgia
$1.61M -$12M -926,281 -87%
Franklin Resources
21
Franklin Resources
California
$1.43M +$97.3K +7,529 +7%
MAM
22
Martingale Asset Management
Massachusetts
$1.43M +$12.9K +1,000 +0.8%
Charles Schwab
23
Charles Schwab
California
$1.28M +$27.5K +2,129 +2%
SG Americas Securities
24
SG Americas Securities
New York
$1.16M -$14.7K -1,138 -1%
Ameriprise
25
Ameriprise
Minnesota
$1.13M -$64.8K -5,015 -5%