QLYS
Qualys (QLYS)
NASDAQ
$113.67+$5.16 (+4.75%)
Price as of Jun 23, 2026 5:45 PM EDT
  • $3.8B
    Market Cap
  • -22.70%
    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
N/A
7.20%
2.5M
+2.5M (+100.00%)
Mar 31, 2026
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

Current Ownership Distribution

  • Institutions651.1M (76.28%)
  • Mutual Funds189.3M (22.17%)
  • Insiders13.2M (1.55%)
  • Other0 (0.00%)

Insider Transactions

  • 1.55% (13.2M)
    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)
  • $1.5B
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Pfeiffer Wendy
Sell
Jun 22, 2026
$55,275.00
500
$110.55
12,710
POSEY BRUCE K
CHIEF LEGAL OFFICER
Sell
Jun 22, 2026
$5,155.31
48
$107.40
65,388
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
Berquist Thomas
Sell
Jun 12, 2026
$103,994.25
939
$110.75
6,781
Hank Jeffrey P
Sell
Jun 12, 2026
$52,052.50
470
$110.75
15,576
Hank Jeffrey P
Sell
Jun 11, 2026
$51,173.60
470
$108.88
16,046
POSEY BRUCE K
CHIEF LEGAL OFFICER
Sell
Mar 13, 2026
$6,506.08
65
$100.09
70,955
POSEY BRUCE K
CHIEF LEGAL OFFICER
Sell
Mar 05, 2026
$10,018.35
100
$100.18
71,020
POSEY BRUCE K
CHIEF LEGAL OFFICER
Sell
Feb 20, 2026
$21,658.31
210
$103.13
71,391
POSEY BRUCE K
CHIEF LEGAL OFFICER
Sell
Feb 20, 2026
$18,202.64
175
$104.02
71,216
POSEY BRUCE K
CHIEF LEGAL OFFICER
Sell
Feb 20, 2026
$10,088.59
96
$105.09
71,120
Kim Joo Mi
CHIEF FINANCIAL OFFICER
Sell
Feb 04, 2026
$62,626.50
500
$125.25
94,788
Kim Joo Mi
CHIEF FINANCIAL OFFICER
Sell
Feb 04, 2026
$50,696.00
400
$126.74
94,388
Kim Joo Mi
CHIEF FINANCIAL OFFICER
Sell
Feb 04, 2026
$262,934.71
2,051
$128.20
92,337
Kim Joo Mi
CHIEF FINANCIAL OFFICER
Sell
Feb 04, 2026
$471,161.09
3,648
$129.16
88,689
Kim Joo Mi
CHIEF FINANCIAL OFFICER
Sell
Feb 04, 2026
$25,951.00
200
$129.75
88,489
POSEY BRUCE K
CHIEF LEGAL OFFICER
Award
Feb 03, 2026
$0.00
60
$0.00
66,999
Kim Joo Mi
CHIEF FINANCIAL OFFICER
Award
Feb 03, 2026
$0.00
5,280
$0.00
93,769
POSEY BRUCE K
CHIEF LEGAL OFFICER
In Kind
Feb 03, 2026
$3,953.12
31
$127.52
66,968
Thakar Sumedh S
CEO & PRESIDENT
Award
Feb 03, 2026
$0.00
20,427
$0.00
262,565
POSEY BRUCE K
CHIEF LEGAL OFFICER
Award
Feb 03, 2026
$0.00
2,854
$0.00
69,822
Kim Joo Mi
CHIEF FINANCIAL OFFICER
In Kind
Feb 03, 2026
$342,136.16
2,683
$127.52
91,086
POSEY BRUCE K
CHIEF LEGAL OFFICER
In Kind
Feb 03, 2026
$185,286.56
1,453
$127.52
68,369
Thakar Sumedh S
CEO & PRESIDENT
In Kind
Feb 03, 2026
$1.3M
10,394
$127.52
252,171