434 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, 175 increasing their positions, 148 reducing their positions, and 46 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
434
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 +$42.8M
2 +$22.8M
3 +$11.7M
4
Morgan Stanley
Morgan Stanley
New York
+$11.4M
5
Point72 Asset Management
Point72 Asset Management
Connecticut
+$11.1M

Top Sellers

1 -$28M
2 -$24.2M
3 -$19.1M
4
Marshall Wace
Marshall Wace
United Kingdom
-$17.5M
5
ACM
American Capital Management
New York
-$15.7M
Name Holding Trade Value Shares
Change
Change in
Stake
151
$2.26M
152
$2.25M
153
$2.14M
154
$2.06M
155
$2.03M
156
$2.01M
157
$1.99M
158
$1.97M
159
$1.93M
160
$1.89M
161
$1.84M
162
$1.84M
163
$1.83M
164
$1.82M
165
$1.81M
166
$1.75M
167
$1.74M
168
$1.7M
169
$1.67M
170
$1.65M
171
$1.65M
172
$1.6M
173
$1.54M
174
$1.54M
175
$1.52M