QLYSQualys, Inc.

$202.41+49% 1Y
Latest close: a new 52-week highOct 9, 2026what changed →

Who owns QLYS

425 institutions reported holding QLYS for 2026Q2, together 103% of the company, more than the 415 a quarter earlier.

425

Institutions reporting a position · as of 2026Q2 · up from 415 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
$5.05B

Reported value · at Jun 30, 2026 prices, not today's

Top 5 holders
41%

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

Details›
Reporting quarter2026-06-30
2026Q2
Quarters on record
53
New positions
90
Positions exited
79
Added to
142
Reduced
136
Top 10 holdersof the company
56%
Shares sold shortsettled Sep 15, 2026
3.5M
Short interestof shares outstanding
9.7%
Days to coverat the average daily volume
4.3
Change in the short positionsince the Aug 31, 2026 count
−5.0%
Institutional ownership by quarter, 2013Q2 to 2026Q2
QuarterFilersSharesReported value
2026Q242536.8M$5.05B
2026Q141537.0M$3.25B
2025Q444036.0M$4.79B
2025Q342435.4M$4.68B
2025Q243135.0M$5.01B
2025Q142234.9M$4.40B
2024Q444735.9M$5.03B
2024Q343436.3M$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
2022Q339435.3M$4.92B
Largest reported holders, 2026Q2
HolderShares% of companyValue
BlackRock Inc.5.8M16%$792M
VANGUARD GROUP INC4.6M13%$633M
STATE STREET CORP1.5M4.1%$200M
Legal & General Group Plc1.4M4.0%$198M
GEODE CAPITAL MANAGEMENT LLC1.4M4.0%$194M
AQR CAPITAL MANAGEMENT LLC1.4M3.9%$191M
FIRST TRUST ADVISORS LP1.1M3.2%$155M
ARROWSTREET CAPITAL LIMITED PARTNERSHIP1.0M2.8%$135M
BTIM Corp.1.0M2.8%$135M
Penserra Capital Management LLC0.8M2.2%$107M
Short interest by settlement date, Aug 29, 2025 to Sep 15, 2026
SettlementShares shortOf shares outstandingDays to cover
Sep 15, 20263.5M9.7%4.3
Aug 31, 20263.6M10%6.8
Aug 14, 20264.1M11%4.6
Jul 31, 20263.7M10%5.1
Jul 15, 20263.9M11%4.9
Jun 30, 20263.7M10%3.9
Jun 15, 20263.6M10%5.5
May 29, 20264.2M12%5.9
May 15, 20264.9M14%5.7
Apr 30, 20264.7M13%5.5
Apr 15, 20264.8M14%4.8
Mar 31, 20264.0M11%5.5

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. The short position is FINRA's consolidated count for each twice-monthly settlement date, as a share of shares outstanding.

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