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Spok Holdings

119 hedge funds and large institutions have $244M invested in Spok Holdings in 2018 Q3 according to their latest regulatory filings, with 18 funds opening new positions, 31 increasing their positions, 48 reducing their positions, and 13 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
119
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
Puts
Net Calls
Net Calls Change

Top Buyers

1 +$2.77M
2 +$2.52M
3 +$1.79M
4
BlackRock
BlackRock
New York
+$902K
5
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
+$885K

Top Sellers

1 -$5.33M
2 -$2.05M
3 -$1.31M
4
AIM
Alambic Investment Management
California
-$1.29M
5
Invesco
Invesco
Georgia
-$1.17M
Name Holding Trade Value Shares
Change
Change in
Stake
26
$1.31M
27
$1.22M
28
$1.15M
29
$1.05M
30
$893K
31
$885K
32
$881K
33
$867K
34
$819K
35
$734K
36
$700K
37
$690K
38
$656K
39
$608K
40
$602K
41
$582K
42
$570K
43
$561K
44
$521K
45
$520K
46
$491K
47
$488K
48
$487K
49
$486K
50
$459K