433 hedge funds and large institutions have $5.01B invested in Qualys in 2025 Q2 according to their latest regulatory filings, with 56 funds opening new positions, 174 increasing their positions, 148 reducing their positions, and 45 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
433
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$30.2M
Puts
$1.46M
Net Calls
Net Calls Change

Top Buyers

1 +$46M
2 +$24.6M
3 +$12.6M
4
Morgan Stanley
Morgan Stanley
New York
+$12.3M
5
Point72 Asset Management
Point72 Asset Management
Connecticut
+$12M

Top Sellers

1 -$30.2M
2 -$26.1M
3 -$20.6M
4
Marshall Wace
Marshall Wace
United Kingdom
-$18.9M
5
ACM
American Capital Management
New York
-$16.9M