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Spok Holdings

Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$46.9M +$2.66M +176,639 +6%
Vanguard Group
2
Vanguard Group
Pennsylvania
$32.3M -$7.15M -475,379 -18%
Dimensional Fund Advisors
3
Dimensional Fund Advisors
Texas
$25.1M -$144K -9,570 -0.6%
Renaissance Technologies
4
Renaissance Technologies
New York
$23.5M -$18.1K -1,200 -0.1%
PAIM
5
Punch & Associates Investment Management
Minnesota
$11.7M -$1.95M -129,835 -14%
Man Group
6
Man Group
United Kingdom
$9.58M -$52.7K -3,500 -0.5%
State Street
7
State Street
Massachusetts
$9.53M +$239K +15,898 +3%
Bank of New York Mellon
8
Bank of New York Mellon
New York
$7.52M -$150K -9,981 -2%
FP
9
Foundry Partners
Minnesota
$5.04M +$765K +50,850 +18%
American Century Companies
10
American Century Companies
Missouri
$4.65M +$449K +29,836 +11%
BCM
11
Bridgeway Capital Management
Texas
$4.53M +$1.07M +71,200 +31%
Northern Trust
12
Northern Trust
Illinois
$4.03M -$59.4K -3,945 -1%
Invesco
13
Invesco
Georgia
$3.92M +$808K +53,695 +26%
Geode Capital Management
14
Geode Capital Management
Massachusetts
$3.4M -$590K -39,220 -15%
JP Morgan Chase
15
JP Morgan Chase
New York
$2.52M +$446K +29,668 +22%
Morgan Stanley
16
Morgan Stanley
New York
$2.48M -$10K -667 -0.4%
AIM
17
Alambic Investment Management
California
$2.46M +$757K +50,338 +45%
Principal Financial Group
18
Principal Financial Group
Iowa
$2.33M +$21.1K +1,399 +0.9%
Millennium Management
19
Millennium Management
New York
$2.28M +$1.52M +101,081 +201%
Royal Bank of Canada
20
Royal Bank of Canada
Ontario, Canada
$2.11M -$262K -17,441 -11%
Ameriprise
21
Ameriprise
Minnesota
$2.06M +$43.9K +2,915 +2%
Citadel Advisors
22
Citadel Advisors
Florida
$1.71M +$394K +26,200 +30%
Charles Schwab
23
Charles Schwab
California
$1.58M +$51.9K +3,447 +3%
HighTower Advisors
24
HighTower Advisors
Illinois
$1.56M -$30.1K -2,000 -2%
Goldman Sachs
25
Goldman Sachs
New York
$1.53M -$623K -41,381 -29%