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
276
$356K
277
$351K
278
$350K
279
$350K
280
$349K
281
$343K
282
$330K
283
$327K
284
$327K
285
$326K
286
$326K
287
$324K
288
$315K
289
$314K
290
$304K
291
$303K
292
$300K
293
$294K
294
$292K
295
$291K
296
$290K
297
$286K
298
$275K
299
$274K
300
$273K