QLYSQualys, Inc.

$176.64

Who owns QLYS

411 institutions reported holding QLYS for 2026Q1, together 103% of the company, fewer than the 438 a quarter earlier.

411

Institutions reporting a position · as of 2026Q1 · down from 438 the quarter before

Shares held by institutions
36.8M

Shares held by institutions · 103% of the company · long US equity positions only, as reported on Form 13F

Reported value
$3.24B

Reported value · at 2026-03-31 prices, not today's

Top 5 holders
38%

Top 5 holders · of the whole company, between five filers

Details
Reporting quarter2026-03-31
2026Q1
Quarters on record
52
New positions
55
Positions exited
88
Added to
172
Reduced
110
Top 10 holdersof the company
51%
Institutional ownership by quarter, 2013Q2 to 2026Q1
QuarterFilersSharesReported value
2026Q141136.8M$3.24B
2025Q443836.0M$4.79B
2025Q342335.4M$4.68B
2025Q243035.0M$5.01B
2025Q142234.9M$4.40B
2024Q444635.9M$5.03B
2024Q343336.3M$4.66B
2024Q246436.9M$5.26B
2024Q144737.1M$6.16B
2023Q446136.6M$7.19B
2023Q340635.8M$5.46B
2023Q238435.4M$4.58B
2023Q138735.3M$4.61B
2022Q439135.3M$3.96B
2022Q339335.3M$4.92B
2022Q236134.8M$4.39B
Largest reported holders, 2026Q1
HolderShares% of companyValue
BlackRock Inc.5.4M15%$471M
VANGUARD GROUP INC4.4M12%$390M
STATE STREET CORP1.4M3.9%$122M
GEODE CAPITAL MANAGEMENT LLC1.3M3.7%$116M
AQR CAPITAL MANAGEMENT LLC1.0M2.9%$91M
Legal & General Group Plc1.0M2.9%$90M
BTIM Corp.1.0M2.8%$89M
FIRST TRUST ADVISORS LP1.0M2.8%$88M
ARROWSTREET CAPITAL LIMITED PARTNERSHIP0.8M2.3%$73M
DIMENSIONAL FUND ADVISORS LP0.8M2.1%$67M

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold.

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