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Spok Holdings

Name Holding Trade Value Shares
Change
Change in
Stake
Renaissance Technologies
1
Renaissance Technologies
New York
$12.3M -$693K -75,900 -6%
Dimensional Fund Advisors
2
Dimensional Fund Advisors
Texas
$8.69M +$7.83M +857,479 New
Vanguard Group
3
Vanguard Group
Pennsylvania
$8.68M +$211K +23,054 +3%
HighTower Advisors
4
HighTower Advisors
Illinois
$5.62M +$2.26M +247,697 +81%
FP
5
Foundry Partners
Minnesota
$5.43M +$138K +15,115 +3%
Arrowstreet Capital
6
Arrowstreet Capital
Massachusetts
$4.71M +$432K +47,289 +11%
BlackRock
7
BlackRock
New York
$4.28M -$293K -32,095 -7%
PMAM
8
Penn Mutual Asset Management
Pennsylvania
$3.86M -$183K -20,000 -5%
Two Sigma Investments
9
Two Sigma Investments
New York
$3.33M -$245K -26,835 -8%
Two Sigma Advisers
10
Two Sigma Advisers
New York
$2.72M -$594K -65,000 -19%
Fuller & Thaler Asset Management
11
Fuller & Thaler Asset Management
California
$2.63M -$8.63K -945 -0.4%
Jacobs Levy Equity Management
12
Jacobs Levy Equity Management
New Jersey
$2.47M -$623K -68,231 -22%
Geode Capital Management
13
Geode Capital Management
Massachusetts
$1.96M +$62.3K +6,826 +4%
PCM
14
Prelude Capital Management
New York
$1.88M +$9.88K +1,082 +0.6%
Marshall Wace
15
Marshall Wace
United Kingdom
$1.84M +$1M +109,622 +152%
EI
16
EAM Investors
California
$1.83M +$1.65M +180,912 New
Susquehanna International Group
17
Susquehanna International Group
Pennsylvania
$1.83M +$996K +109,072 +153%
PWA
18
PCG Wealth Advisors
Kansas
$1.65M +$1.06M +116,571 +254%
Millennium Management
19
Millennium Management
New York
$1.56M -$79.8K -8,737 -5%
CSS
20
Cubist Systematic Strategies
Connecticut
$1.21M +$769K +84,202 +240%
KCM
21
Kennedy Capital Management
Missouri
$1.18M
Bank of New York Mellon
22
Bank of New York Mellon
New York
$1.16M +$6.4K +701 +0.6%
Jane Street
23
Jane Street
New York
$1.1M +$996K +109,059 New
Goldman Sachs
24
Goldman Sachs
New York
$999K +$403K +44,175 +81%
BCM
25
Bridgeway Capital Management
Texas
$974K