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Spok Holdings

126 hedge funds and large institutions have $309M invested in Spok Holdings in 2015 Q4 according to their latest regulatory filings, with 14 funds opening new positions, 43 increasing their positions, 43 reducing their positions, and 12 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
126
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
1
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 Sellers

1 -$2.89M
2 -$1.56M
3 -$899K
4
Renaissance Technologies
Renaissance Technologies
New York
-$865K
5
Morgan Stanley
Morgan Stanley
New York
-$679K
Name Holding Trade Value Shares
Change
Change in
Stake
1
$41.8M
2
$32.7M
3
$30.7M
4
$22.9M
5
$18.3M
6
$14.1M
7
$13.7M
8
$11.4M
9
$10.4M
10
$8M
11
$5.79M
12
$5.79M
13
$5.42M
14
$4.77M
15
$4.22M
16
$3.74M
17
$3.38M
18
$3.11M
19
$3.03M
20
$2.93M
21
$2.55M
22
$2.42M
23
$2.4M
24
$2.23M
25
$2.1M