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435 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, 149 reducing their positions, and 46 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
435
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
401
$5.71K
402
$5K
403
$4.29K
404
$4.29K
405
$4K
406
$4K
407
$3.86K
408
$3.75K
409
$3K
410
$2.71K
411
$2.43K
412
$2.14K
413
$2K
414
$1.72K
415
$1.57K
416
$1.43K
417
$1.43K
418
$1.29K
419
$1.26K
420
$1.14K
421
$1K
422
$1K
423
$714
424
$571
425
$429