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Spok Holdings

Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$19.1M +$1.45M +108,139 +9%
Renaissance Technologies
2
Renaissance Technologies
New York
$15.6M -$1.46M -108,695 -9%
Vanguard Group
3
Vanguard Group
Pennsylvania
$13.8M +$448K +33,347 +4%
Dimensional Fund Advisors
4
Dimensional Fund Advisors
Texas
$10.8M -$750K -55,819 -7%
HighTower Advisors
5
HighTower Advisors
Illinois
$6.73M -$1.11M -82,434 -15%
FP
6
Foundry Partners
Minnesota
$6.5M +$16.7K +1,245 +0.3%
Geode Capital Management
7
Geode Capital Management
Massachusetts
$5.95M +$308K +22,961 +6%
State Street
8
State Street
Massachusetts
$4.37M +$270K +20,124 +7%
Two Sigma Advisers
9
Two Sigma Advisers
New York
$4.28M +$20.1K +1,500 +0.5%
Acadian Asset Management
10
Acadian Asset Management
Massachusetts
$3.85M +$3.63M +269,976 New
Fuller & Thaler Asset Management
11
Fuller & Thaler Asset Management
California
$3.59M -$101K -7,510 -3%
Two Sigma Investments
12
Two Sigma Investments
New York
$3.54M -$1.25M -93,317 -27%
Nuveen
13
Nuveen
North Carolina
$3.32M +$1.59M +118,766 +104%
Northern Trust
14
Northern Trust
Illinois
$2.66M -$6.27K -467 -0.3%
PCM
15
Prelude Capital Management
New York
$2.65M +$8.49K +632 +0.3%
Bank of New York Mellon
16
Bank of New York Mellon
New York
$2.61M +$313K +23,299 +15%
Morgan Stanley
17
Morgan Stanley
New York
$2.2M +$360K +26,834 +21%
ER
18
EVR Research
Virginia
$2.14M +$2.01M +150,000 New
Allspring Global Investments
19
Allspring Global Investments
North Carolina
$1.89M +$1.36M +100,956 +319%
KCM
20
Kennedy Capital Management
Missouri
$1.67M
Arrowstreet Capital
21
Arrowstreet Capital
Massachusetts
$1.58M -$3.64M -271,342 -71%
PMAM
22
Penn Mutual Asset Management
Pennsylvania
$1.57M -$777K -57,885 -34%
Prudential Financial
23
Prudential Financial
New Jersey
$1.49M +$1.19M +88,600 +552%
GCP
24
GSA Capital Partners
United Kingdom
$1.42M -$133K -9,930 -9%
EI
25
EAM Investors
California
$1.39M -$1.12M -83,490 -46%