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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
51
$658K
52
$656K
53
$612K
54
$605K
55
$583K
56
$580K
57
$577K
58
$575K
59
$568K
60
$552K
61
$531K
62
$526K
63
$502K
64
$469K
65
$427K
66
$416K
67
$413K
68
$397K
69
$384K
70
$382K
71
$366K
72
$365K
73
$362K
74
$361K
75
$347K