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Spok Holdings

Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$31M -$720K -66,974 -2%
Dimensional Fund Advisors
2
Dimensional Fund Advisors
Texas
$17M -$34.4K -3,200 -0.2%
Renaissance Technologies
3
Renaissance Technologies
New York
$15.5M -$162K -15,091 -1%
Vanguard Group
4
Vanguard Group
Pennsylvania
$15.1M +$579K +53,917 +4%
State Street
5
State Street
Massachusetts
$6.82M +$327K +30,432 +5%
PAIM
6
Punch & Associates Investment Management
Minnesota
$6.32M -$1.72M -160,200 -21%
BRF
7
B. Riley Financial
California
$5.21M +$5.23M +487,189 New
DRZID
8
DePrince Race & Zollo Inc (DRZ)
Florida
$5.1M -$959K -89,223 -16%
Grantham, Mayo, Van Otterloo & Co (GMO)
9
Grantham, Mayo, Van Otterloo & Co (GMO)
Massachusetts
$4.63M -$287K -26,710 -6%
FP
10
Foundry Partners
Minnesota
$4.62M +$156K +14,521 +3%
JP Morgan Chase
11
JP Morgan Chase
New York
$3.75M +$2.12M +196,871 +128%
Bank of New York Mellon
12
Bank of New York Mellon
New York
$3.42M +$209K +19,433 +6%
Northern Trust
13
Northern Trust
Illinois
$3M +$103K +9,583 +4%
Geode Capital Management
14
Geode Capital Management
Massachusetts
$2.87M +$29.2K +2,719 +1%
Nuveen
15
Nuveen
North Carolina
$1.99M +$569 +53 +0%
Invesco
16
Invesco
Georgia
$1.79M -$24.3K -2,265 -1%
Arrowstreet Capital
17
Arrowstreet Capital
Massachusetts
$1.47M -$519K -48,314 -26%
Principal Financial Group
18
Principal Financial Group
Iowa
$1.42M -$59.1K -5,503 -4%
Russell Investments Group
19
Russell Investments Group
United Kingdom
$1.35M -$356K -33,155 -21%
ICM
20
Invenomic Capital Management
Massachusetts
$1.3M -$1.05M -97,607 -44%
PPA
21
Parametric Portfolio Associates
Washington
$1.27M -$67.1K -6,243 -5%
Goldman Sachs
22
Goldman Sachs
New York
$1.26M +$219K +20,401 +21%
Charles Schwab
23
Charles Schwab
California
$1.18M +$23.8K +2,216 +2%
MAM
24
Martingale Asset Management
Massachusetts
$1.18M -$99.9K -9,300 -8%
GPCM
25
Granite Point Capital Management
Massachusetts
$1.07M +$1.07M +100,000 New