QLYS
Qualys (QLYS)
NASDAQ
$144.71-$0.04 (-0.03%)
Price as of Jul 31, 2026 7:34 PM EDT
  • $5.1B
    Market Cap
  • 10.89%
    1-Year Change
  • Software - Infrastructure
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
BLACKROCK FUNDING, INC. /DE
16.64%
5.9M
+114,754 (+1.96%)
Dec 31, 2024
BLACKROCK, INC.
15.22%
5.4M
-12,500 (-0.23%)
Mar 31, 2026
BLACKROCK INC.
15.09%
5.3M
+180,499 (+3.40%)
Jun 30, 2024
VANGUARD GROUP INC
12.40%
4.4M
-36,391 (-0.83%)
Dec 31, 2025
BLACKROCK FUND ADVISORS
6.19%
2.2M
+240,463 (+11.03%)
Dec 31, 2016
STATE STREET CORP
3.94%
1.4M
+40,627 (+2.93%)
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
3.75%
1.3M
+64,907 (+4.91%)
Mar 31, 2026

Current Ownership Distribution

  • Institutions653.4M (75.54%)
  • Mutual Funds198.5M (22.94%)
  • Insiders13.1M (1.52%)
  • Other0 (0.00%)

Insider Transactions

  • 1.52% (13.1M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 8
    Number of InsiderSelling (last 12 months)
  • $1.7B
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
POSEY BRUCE K
CHIEF LEGAL OFFICER
Sell
Jul 20, 2026
$38,080.70
243
$156.71
63,328
Pfeiffer Wendy
Sell
Jul 20, 2026
$79,095.00
500
$158.19
12,210
POSEY BRUCE K
CHIEF LEGAL OFFICER
Sell
Jul 20, 2026
$52,791.37
334
$158.06
62,994
POSEY BRUCE K
CHIEF LEGAL OFFICER
Sell
Jul 20, 2026
$41,748.63
262
$159.35
62,732
POSEY BRUCE K
CHIEF LEGAL OFFICER
Sell
Jul 20, 2026
$6,887.74
43
$160.18
62,689
Thakar Sumedh S
CEO & PRESIDENT
Sell
Jul 14, 2026
$14,930.00
100
$149.30
196,586
Thakar Sumedh S
CEO & PRESIDENT
Sell
Jul 14, 2026
$15,153.00
100
$151.53
196,486
Thakar Sumedh S
CEO & PRESIDENT
Sell
Jul 14, 2026
$15,530.00
100
$155.30
196,386
Thakar Sumedh S
CEO & PRESIDENT
Sell
Jul 14, 2026
$31,549.00
200
$157.75
196,186
Thakar Sumedh S
CEO & PRESIDENT
Sell
Jul 14, 2026
$117,394.80
730
$160.81
195,456
Thakar Sumedh S
CEO & PRESIDENT
Sell
Jul 14, 2026
$253,860.99
1,570
$161.69
193,886
Thakar Sumedh S
CEO & PRESIDENT
Sell
Jul 14, 2026
$32,480.00
200
$162.40
193,686
Thakar Sumedh S
CEO & PRESIDENT
Sell
Jul 14, 2026
$32,713.00
200
$163.56
193,486
Thakar Sumedh S
CEO & PRESIDENT
Sell
Jun 30, 2026
$1.3M
10,000
$130.00
216,686
Thakar Sumedh S
CEO & PRESIDENT
Sell
Jun 30, 2026
$1.4M
10,000
$135.00
206,686
Thakar Sumedh S
CEO & PRESIDENT
Sell
Jun 30, 2026
$1.4M
10,000
$140.00
196,686
Thakar Sumedh S
CEO & PRESIDENT
Sell
Jun 29, 2026
$339,128.10
2,700
$125.60
233,986
Thakar Sumedh S
CEO & PRESIDENT
Sell
Jun 29, 2026
$634,025.26
4,994
$126.96
228,992
Thakar Sumedh S
CEO & PRESIDENT
Sell
Jun 29, 2026
$294,384.19
2,306
$127.66
226,686
Thakar Sumedh S
CEO & PRESIDENT
Sell
Jun 26, 2026
$1.2M
9,800
$120.47
236,886
Thakar Sumedh S
CEO & PRESIDENT
Sell
Jun 26, 2026
$24,220.00
200
$121.10
236,686
POSEY BRUCE K
CHIEF LEGAL OFFICER
Sell
Jun 22, 2026
$5,155.31
48
$107.40
65,388
Pfeiffer Wendy
Sell
Jun 22, 2026
$55,275.00
500
$110.55
12,710
POSEY BRUCE K
CHIEF LEGAL OFFICER
Sell
Jun 22, 2026
$50,590.65
465
$108.80
64,923
POSEY BRUCE K
CHIEF LEGAL OFFICER
Sell
Jun 22, 2026
$20,649.68
188
$109.84
64,735
POSEY BRUCE K
CHIEF LEGAL OFFICER
Sell
Jun 22, 2026
$4,529.81
41
$110.48
64,694
POSEY BRUCE K
CHIEF LEGAL OFFICER
Sell
Jun 22, 2026
$13,743.01
123
$111.73
64,571
Thakar Sumedh S
CEO & PRESIDENT
Sell
Jun 15, 2026
$22,415.00
200
$112.08
249,686
Thakar Sumedh S
CEO & PRESIDENT
Sell
Jun 15, 2026
$171,466.05
1,500
$114.31
248,186
Thakar Sumedh S
CEO & PRESIDENT
Sell
Jun 15, 2026
$173,488.05
1,500
$115.66
246,686