Qualys, Inc.

Historical 13F Holders

Symbol
QLYS
CUSIP
74758T303
All holders as of
Q2 2026
Type
Equity
Class
COM
Reported Value, Excluding Options
Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Each filer's latest filing for 74758T303 since 12/18/2024, largest first.

Filer % of Class Filed
BlackRock, Inc. 13G/A 14.0% 4/29/2025
Event 3/31/2025
Vanguard Portfolio Management LLC 13G 7.2% 4/29/2026
Event 3/31/2026
Vanguard Capital Management LLC 13G 5.2% 4/30/2026
Event 3/31/2026
Under 5%, checked the "5 percent or less" box, or amended by a later filing (1)
Vanguard Group Inc 13G/A 0% 3/27/2026
Event 3/13/2026

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2026 Q3 35 329 k $61.8 M
2026 Q2 455 42.5 M $5.10 B
2026 Q1 442 37.0 M $3.25 B
2025 Q4 463 36.7 M $4.88 B
2025 Q3 443 35.9 M $4.76 B
2025 Q2 450 35.1 M $5.02 B
2025 Q1 441 35.2 M $4.44 B
2024 Q4 470 35.9 M $5.04 B
2024 Q3 457 37.1 M $4.76 B
2024 Q2 489 38.4 M $5.48 B
2024 Q1 474 39.5 M $6.57 B
2023 Q4 481 39.0 M $7.66 B
2023 Q3 425 35.9 M $5.48 B
2023 Q2 400 35.4 M $4.58 B
2023 Q1 406 35.4 M $4.63 B
2022 Q4 411 36.9 M $4.16 B
2022 Q3 413 35.9 M $5.01 B
2022 Q2 378 35.0 M $4.42 B
2022 Q1 379 35.6 M $5.07 B
2021 Q4 374 35.4 M $4.86 B
2021 Q3 355 34.4 M $3.82 B
2021 Q2 345 34.3 M $3.45 B
2021 Q1 336 36.5 M $3.82 B
2020 Q4 374 37.4 M $4.56 B
2020 Q3 347 36.3 M $3.56 B
2020 Q2 382 36.3 M $3.77 B
2020 Q1 319 35.9 M $3.12 B
2019 Q4 315 35.8 M $2.99 B
2019 Q3 281 34.4 M $2.60 B
2019 Q2 309 34.0 M $2.96 B
2019 Q1 282 33.8 M $2.80 B
2018 Q4 288 33.8 M $2.52 B
2018 Q3 299 34.1 M $3.04 B
2018 Q2 287 32.6 M $2.68 B
2018 Q1 261 31.4 M $2.29 B
2017 Q4 234 31.0 M $1.84 B
2017 Q3 195 29.4 M $1.52 B
2017 Q2 182 28.5 M $1.16 B
2017 Q1 180 28.2 M $1.07 B
2016 Q4 188 26.2 M $836 M
2016 Q3 179 25.8 M $984 M
2016 Q2 163 25.1 M $752 M
2016 Q1 158 23.7 M $600 M
2015 Q4 158 23.4 M $774 M
2015 Q3 161 24.8 M $710 M
2015 Q2 170 20.6 M $831 M
2015 Q1 167 19.9 M $928 M
2014 Q4 135 19.0 M $716 M
2014 Q3 117 20.2 M $537 M
2014 Q2 104 17.2 M $442 M
2014 Q1 92 16.0 M $405 M