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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
51
$447K
52
$444K
53
$443K
54
$433K
55
$432K
56
$426K
57
$418K
58
$404K
59
$389K
60
$357K
61
$352K
62
$340K
63
$308K
64
$306K
65
$303K
66
$290K
67
$274K
68
$271K
69
$238K
70
$229K
71
$229K
72
$224K
73
$222K
74
$221K
75
$217K