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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
1
$48.9M
2
$27.7M
3
$25.3M
4
$24.4M
5
$11.9M
6
$10.3M
7
$9.7M
8
$7.87M
9
$5M
10
$4.79M
11
$4.77M
12
$4.14M
13
$3.69M
14
$3.37M
15
$2.84M
16
$2.77M
17
$2.68M
18
$2.52M
19
$2.25M
20
$2.09M
21
$2.05M
22
$1.58M
23
$1.55M
24
$1.54M
25
$1.52M