QLYS
Qualys (QLYS)
NASDAQ
$215.44+$18.74 (+9.52%)
Price as of Oct 22, 2026 7:06 PM EDT
  • $6.8B
    Market Cap
  • 53.41%
    1-Year Change
  • Software - Infrastructure
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
BLACKROCK FUNDING, INC. /DE
16.94%
5.9M
+114,754 (+1.96%)
Dec 31, 2024
BLACKROCK, INC.
16.66%
5.8M
+402,125 (+6.98%)
Jun 30, 2026
BLACKROCK INC.
15.36%
5.3M
+180,499 (+3.40%)
Jun 30, 2024
VANGUARD GROUP INC
12.62%
4.4M
-36,391 (-0.83%)
Dec 31, 2025
VANGUARD PORTFOLIO MANAGEMENT LLC
7.79%
2.7M
+158,815 (+5.89%)
Jun 30, 2026
N/A
7.79%
2.7M
+158,815 (+5.89%)
Jun 30, 2026
BLACKROCK FUND ADVISORS
6.30%
2.2M
+240,463 (+11.03%)
Dec 31, 2016

Current Ownership Distribution

  • Institutions691.1M (75.11%)
  • Mutual Funds215.9M (23.46%)
  • Insiders13.1M (1.43%)
  • Other0 (0.00%)

Insider Transactions

  • 1.43% (13.1M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 6
    Number of InsiderSelling (last 12 months)
  • $2.0B
    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
Oct 20, 2026
$15,484.12
84
$184.33
58,604
POSEY BRUCE K
CHIEF LEGAL OFFICER
Sell
Oct 20, 2026
$1,297.17
7
$185.31
58,597
POSEY BRUCE K
CHIEF LEGAL OFFICER
Sell
Oct 20, 2026
$6,553.80
35
$187.25
58,562
POSEY BRUCE K
CHIEF LEGAL OFFICER
Sell
Oct 20, 2026
$46,242.22
244
$189.52
58,318
POSEY BRUCE K
CHIEF LEGAL OFFICER
Sell
Oct 20, 2026
$85,528.53
449
$190.49
57,869
POSEY BRUCE K
CHIEF LEGAL OFFICER
Sell
Oct 20, 2026
$11,857.97
62
$191.26
57,807
Thakar Sumedh S
CEO & PRESIDENT
Sell
Oct 14, 2026
$75,210.16
400
$188.03
179,938
Thakar Sumedh S
CEO & PRESIDENT
Sell
Oct 14, 2026
$283,803.00
1,500
$189.20
178,438
Thakar Sumedh S
CEO & PRESIDENT
Sell
Oct 14, 2026
$75,994.00
400
$189.99
178,038
Thakar Sumedh S
CEO & PRESIDENT
Sell
Oct 14, 2026
$96,419.40
500
$192.84
177,538
Thakar Sumedh S
CEO & PRESIDENT
Sell
Oct 14, 2026
$77,721.00
400
$194.30
177,138
Thakar Sumedh S
CEO & PRESIDENT
Sell
Sep 14, 2026
$15,439.00
100
$154.39
183,438
Thakar Sumedh S
CEO & PRESIDENT
Sell
Sep 14, 2026
$31,855.00
200
$159.28
183,238
Thakar Sumedh S
CEO & PRESIDENT
Sell
Sep 14, 2026
$48,729.00
300
$162.43
182,938
Thakar Sumedh S
CEO & PRESIDENT
Sell
Sep 14, 2026
$16,594.00
100
$165.94
182,838
Thakar Sumedh S
CEO & PRESIDENT
Sell
Sep 14, 2026
$16,758.00
100
$167.58
182,738
Thakar Sumedh S
CEO & PRESIDENT
Sell
Sep 14, 2026
$33,869.00
200
$169.34
182,538
Thakar Sumedh S
CEO & PRESIDENT
Sell
Sep 14, 2026
$17,090.00
100
$170.90
182,438
Thakar Sumedh S
CEO & PRESIDENT
Sell
Sep 14, 2026
$259,387.05
1,500
$172.92
180,938
Thakar Sumedh S
CEO & PRESIDENT
Sell
Sep 14, 2026
$86,960.00
500
$173.92
180,438
Thakar Sumedh S
CEO & PRESIDENT
Sell
Sep 14, 2026
$17,471.00
100
$174.71
180,338
Pfeiffer Wendy
Sell
Aug 20, 2026
$92,500.00
500
$185.00
11,710
POSEY BRUCE K
CHIEF LEGAL OFFICER
Sell
Aug 20, 2026
$17,652.79
97
$181.99
60,323
POSEY BRUCE K
CHIEF LEGAL OFFICER
Sell
Aug 20, 2026
$72,147.61
393
$183.58
59,930
POSEY BRUCE K
CHIEF LEGAL OFFICER
Sell
Aug 20, 2026
$17,687.90
96
$184.25
59,834
POSEY BRUCE K
CHIEF LEGAL OFFICER
Sell
Aug 20, 2026
$52,055.86
280
$185.91
59,554
Kim Joo Mi
CHIEF FINANCIAL OFFICER
Sell
Aug 03, 2026
$14,722.00
100
$147.22
77,270
Kim Joo Mi
CHIEF FINANCIAL OFFICER
Sell
Aug 03, 2026
$14,854.00
100
$148.54
77,170
Kim Joo Mi
CHIEF FINANCIAL OFFICER
Sell
Aug 03, 2026
$30,294.00
200
$151.47
76,970
Kim Joo Mi
CHIEF FINANCIAL OFFICER
Sell
Aug 03, 2026
$45,834.00
300
$152.78
76,670