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Spok Holdings

Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$43.5M -$450K -30,321 -1%
Dimensional Fund Advisors
2
Dimensional Fund Advisors
Texas
$24.4M +$29.9K +2,013 +0.1%
Renaissance Technologies
3
Renaissance Technologies
New York
$22.7M -$436K -29,400 -2%
Vanguard Group
4
Vanguard Group
Pennsylvania
$20.7M -$310K -20,860 -1%
Invesco
5
Invesco
Georgia
$16M +$13.3M +898,304 +553%
PAIM
6
Punch & Associates Investment Management
Minnesota
$11.1M +$13K +878 +0.1%
State Street
7
State Street
Massachusetts
$9.05M -$93.2K -6,280 -1%
Man Group
8
Man Group
United Kingdom
$8.56M -$230K -15,500 -3%
DRZID
9
DePrince Race & Zollo Inc (DRZ)
Florida
$8.35M +$3.39M +228,668 +70%
Grantham, Mayo, Van Otterloo & Co (GMO)
10
Grantham, Mayo, Van Otterloo & Co (GMO)
Massachusetts
$5.8M +$56.4K +3,800 +1%
Bank of New York Mellon
11
Bank of New York Mellon
New York
$5.75M +$240K +16,177 +4%
FP
12
Foundry Partners
Minnesota
$5.7M -$43.4K -2,925 -0.8%
Geode Capital Management
13
Geode Capital Management
Massachusetts
$3.79M -$124K -8,335 -3%
Northern Trust
14
Northern Trust
Illinois
$3.7M -$74.3K -5,009 -2%
American Century Companies
15
American Century Companies
Missouri
$3.31M -$844K -56,886 -21%
Principal Financial Group
16
Principal Financial Group
Iowa
$2.15M -$18.7K -1,259 -0.9%
AQR Capital Management
17
AQR Capital Management
Connecticut
$2.11M +$697K +46,987 +50%
Russell Investments Group
18
Russell Investments Group
United Kingdom
$2.05M +$1.85M +124,849 +1,121%
OAM
19
Oxford Asset Management
United Kingdom
$1.88M +$232K +15,612 +14%
PPA
20
Parametric Portfolio Associates
Washington
$1.85M -$57.7K -3,890 -3%
MAM
21
Martingale Asset Management
Massachusetts
$1.78M +$26.7K +1,800 +2%
Franklin Resources
22
Franklin Resources
California
$1.69M +$1.67M +112,431 New
Arrowstreet Capital
23
Arrowstreet Capital
Massachusetts
$1.68M -$270K -18,200 -14%
Charles Schwab
24
Charles Schwab
California
$1.58M +$46.6K +3,143 +3%
Goldman Sachs
25
Goldman Sachs
New York
$1.54M -$1.17M -78,536 -43%