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
226
$747K
227
$738K
228
$735K
229
$706K
230
$706K
231
$686K
232
$682K
233
$671K
234
$670K
235
$665K
236
$664K
237
$657K
238
$648K
239
$644K
240
$619K
241
$617K
242
$611K
243
$605K
244
$583K
245
$583K
246
$572K
247
$567K
248
$546K
249
$543K
250
$528K