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Spok Holdings

124 hedge funds and large institutions have $174M invested in Spok Holdings in 2025 Q1 according to their latest regulatory filings, with 23 funds opening new positions, 41 increasing their positions, 39 reducing their positions, and 12 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
124
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
$898K
Puts
$52K
Net Calls
Net Calls Change

Top Buyers

1 +$2.63M
2 +$2.15M
3 +$2.03M
4
Two Sigma Investments
Two Sigma Investments
New York
+$1.05M
5
Marshall Wace
Marshall Wace
United Kingdom
+$876K

Top Sellers

1 -$2.37M
2 -$1.79M
3 -$647K
4
Prudential Financial
Prudential Financial
New Jersey
-$493K
5
Vanguard Group
Vanguard Group
Pennsylvania
-$458K