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Spok Holdings

Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$32.4M +$614K +62,228 +2%
Renaissance Technologies
2
Renaissance Technologies
New York
$17.3M +$513K +52,000 +3%
Dimensional Fund Advisors
3
Dimensional Fund Advisors
Texas
$17.1M -$206K -20,893 -1%
Vanguard Group
4
Vanguard Group
Pennsylvania
$14.2M -$1.22M -123,785 -9%
State Street
5
State Street
Massachusetts
$6.83M +$40.6K +4,116 +0.7%
DRZID
6
DePrince Race & Zollo Inc (DRZ)
Florida
$5.94M +$9.08K +920 +0.2%
JP Morgan Chase
7
JP Morgan Chase
New York
$5.61M -$231K -23,354 -4%
Bank of New York Mellon
8
Bank of New York Mellon
New York
$4.62M +$950K +96,223 +30%
TAM
9
Tocqueville Asset Management
New York
$3.91M +$3.47M +351,100 New
FP
10
Foundry Partners
Minnesota
$3.6M -$636K -64,457 -17%
Geode Capital Management
11
Geode Capital Management
Massachusetts
$3.26M +$154K +15,626 +6%
Northern Trust
12
Northern Trust
Illinois
$2.83M -$182K -18,447 -7%
Grantham, Mayo, Van Otterloo & Co (GMO)
13
Grantham, Mayo, Van Otterloo & Co (GMO)
Massachusetts
$2.51M -$1.63M -165,200 -42%
Nuveen
14
Nuveen
North Carolina
$2.28M -$233K -23,606 -10%
Invesco
15
Invesco
Georgia
$2.19M +$368K +37,232 +23%
Arrowstreet Capital
16
Arrowstreet Capital
Massachusetts
$1.71M
Charles Schwab
17
Charles Schwab
California
$1.53M -$40.5K -4,102 -3%
ICM
18
Invenomic Capital Management
Massachusetts
$1.38M +$549K +55,652 +81%
Principal Financial Group
19
Principal Financial Group
Iowa
$1.34M -$44K -4,458 -4%
PPA
20
Parametric Portfolio Associates
Washington
$1.29M -$44.4K -4,495 -4%
Man Group
21
Man Group
United Kingdom
$1.26M
GPCM
22
Granite Point Capital Management
Massachusetts
$1.11M
SG Americas Securities
23
SG Americas Securities
New York
$1.07M +$287K +29,065 +43%
Wells Fargo
24
Wells Fargo
California
$990K -$10.4K -1,051 -1%
Morgan Stanley
25
Morgan Stanley
New York
$984K +$453K +45,937 +108%