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
201
$1.11M
202
$1.07M
203
$1.06M
204
$1.06M
205
$1.06M
206
$1.01M
207
$1M
208
$994K
209
$987K
210
$955K
211
$909K
212
$907K
213
$884K
214
$857K
215
$840K
216
$836K
217
$821K
218
$814K
219
$804K
220
$801K
221
$799K
222
$788K
223
$776K
224
$770K
225
$764K