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Spok Holdings

Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$16.4M +$10.1M +808,001 +191%
Renaissance Technologies
2
Renaissance Technologies
New York
$15.9M -$215K -17,105 -1%
Vanguard Group
3
Vanguard Group
Pennsylvania
$12.4M +$979K +78,012 +9%
Dimensional Fund Advisors
4
Dimensional Fund Advisors
Texas
$10.8M -$539K -42,935 -5%
HighTower Advisors
5
HighTower Advisors
Illinois
$7.37M -$14.2K -1,129 -0.2%
FP
6
Foundry Partners
Minnesota
$6.03M -$1.03M -82,060 -15%
Geode Capital Management
7
Geode Capital Management
Massachusetts
$5.24M +$2.52M +200,971 +104%
Arrowstreet Capital
8
Arrowstreet Capital
Massachusetts
$5.07M -$1.05M -83,357 -18%
Two Sigma Investments
9
Two Sigma Investments
New York
$4.54M +$160K +12,779 +4%
Two Sigma Advisers
10
Two Sigma Advisers
New York
$3.97M +$371K +29,600 +11%
State Street
11
State Street
Massachusetts
$3.81M +$2.74M +218,091 +319%
Fuller & Thaler Asset Management
12
Fuller & Thaler Asset Management
California
$3.44M -$5.52K -440 -0.2%
Bank of Montreal
13
Bank of Montreal
Ontario, Canada
$3.11M +$2.91M +232,107 New
Northern Trust
14
Northern Trust
Illinois
$2.48M +$1.42M +112,961 +153%
PCM
15
Prelude Capital Management
New York
$2.46M -$7.93K -632 -0.3%
EI
16
EAM Investors
California
$2.4M
PMAM
17
Penn Mutual Asset Management
Pennsylvania
$2.23M -$2.68M -213,350 -56%
Bank of New York Mellon
18
Bank of New York Mellon
New York
$2.12M +$569K +45,364 +40%
DZ Bank
19
DZ Bank
Germany
$1.74M +$1.64M +130,573 New
Morgan Stanley
20
Morgan Stanley
New York
$1.69M +$753K +60,026 +90%
Jacobs Levy Equity Management
21
Jacobs Levy Equity Management
New Jersey
$1.58M -$1.57M -124,916 -51%
KCM
22
Kennedy Capital Management
Missouri
$1.55M
Nuveen
23
Nuveen
North Carolina
$1.52M +$1M +79,933 +233%
GCP
24
GSA Capital Partners
United Kingdom
$1.46M +$427K +34,004 +45%
TI
25
Trexquant Investment
Connecticut
$1.42M +$153K +12,216 +13%