QUALYS, INC. - Common Stock (QLYS) Institutional Ownership

13F Institutional Holders and Ownership History from Q1 2014 to Q4 2025

Type / Class
Equity / Common Stock
Symbol
QLYS on Nasdaq
Shares outstanding
36,359,850
Price per share
$133.14
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
35,400,126
Total reported value
$4,687,249,726
% of total 13F portfolios
0%
Share change
+269,978
Value change
+$29,872,626
Number of holders
426
Price from insider filings
$133.14
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of QUALYS, INC. - Common Stock (QLYS) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
BlackRock, Inc. 14% -12% $640,013,352 -$96,614,452 5,090,379 -13% BlackRock, Inc. 31 Mar 2025

As of 30 Sep 2025, 426 institutional investors reported holding 35,400,126 shares of QUALYS, INC. - Common Stock (QLYS). This represents 97% of the company’s total 36,359,850 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of QUALYS, INC. - Common Stock (QLYS) together control 72% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
BlackRock, Inc. 15% 5,477,931 -2.6% 0.01% $724,894,553
VANGUARD GROUP INC 12% 4,401,798 +2.9% 0.01% $582,489,929
STATE STREET CORP 3.8% 1,388,851 -1.6% 0.01% $183,786,653
GEODE CAPITAL MANAGEMENT, LLC 3.3% 1,207,125 +0.26% 0.01% $161,025,318
Boston Trust Walden Corp 3.2% 1,146,289 +0.74% 1.1% $151,688,424
FIRST TRUST ADVISORS LP 3% 1,105,663 -0.9% 0.11% $146,312,384
Legal & General Group Plc 3% 1,081,015 +2.8% 0.03% $143,050,715
NEUBERGER BERMAN GROUP LLC 2.9% 1,049,573 -2.3% 0.1% $138,889,995
AQR CAPITAL MANAGEMENT LLC 2.8% 1,010,769 -0.13% 0.09% $133,755,062
Fundsmith LLP 2.4% 870,859 +21% 0.58% $115,240,771
MORGAN STANLEY 2% 731,570 -23% 0.01% $96,808,870
DIMENSIONAL FUND ADVISORS LP 1.9% 695,732 +2.1% 0.02% $92,076,759
RWA WEALTH PARTNERS, LLC 1.7% 610,746 0.92% $80,820,018
NORTHERN TRUST CORP 1.5% 545,655 +0.81% 0.01% $72,206,525
JPMORGAN CHASE & CO 1.5% 530,822 +1.7% 0% $70,243,791
Penserra Capital Management LLC 1.4% 515,840 -5.4% 0.82% $68,261,000
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 1.4% 501,877 -0.97% 0.11% $66,427,453
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 1.3% 471,981 +0.49% 0.01% $62,457,246
RENAISSANCE TECHNOLOGIES LLC 1.3% 455,700 +26% 0.08% $60,302,781
LONDON CO OF VIRGINIA 1.3% 455,554 -3.1% 0.33% $60,284,843
UBS AM, A DISTINCT BUSINESS UNIT OF UBS ASSET MANAGEMENT AMERICAS LLC 1.2% 442,711 -11% 0.01% $58,583,947
AMERICAN CAPITAL MANAGEMENT INC 1.1% 412,947 -1% 2.2% $54,645,277
Invesco Ltd. 1.1% 395,869 +4% 0.01% $52,385,345
CDAM (UK) Ltd 0.97% 353,710 -12% 8.4% $46,806,444
Alyeska Investment Group, L.P. 0.95% 346,513 0.14% $45,854,065

Institutional Holders of QUALYS, INC. - Common Stock (QLYS) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 11,602,325 $1,544,653,997 +$20,010,272 $132.90 205
2025 Q3 35,400,126 $4,687,249,726 +$29,872,626 $132.33 426
2025 Q2 35,060,421 $5,009,847,235 +$31,496,601 $142.87 434
2025 Q1 34,873,813 $4,392,143,032 -$153,771,659 $125.93 425
2024 Q4 35,916,196 $5,036,913,735 -$58,019,305 $140.22 443
2024 Q3 36,206,402 $4,651,359,829 -$149,167,190 $128.46 426
2024 Q2 36,891,813 $5,261,145,723 +$29,181,965 $142.60 460
2024 Q1 36,515,587 $6,093,272,745 +$64,337,607 $166.87 446
2023 Q4 2,333,601 $458,047,749 -$3,812,534 $196.28 4
2023 Q3 35,407,329 $5,402,430,233 +$80,455,759 $152.55 403
2023 Q2 34,934,736 $4,513,776,926 -$23,710,728 $129.17 382
2023 Q1 34,998,343 $4,549,691,702 -$5,853,290 $130.02 384
2022 Q4 34,945,168 $3,921,918,684 +$56,927,080 $112.23 385
2022 Q3 35,183,386 $4,904,926,560 +$111,005,791 $139.39 382
2022 Q2 34,627,588 $4,353,322,282 +$42,441,193 $126.14 350
2022 Q1 33,828,505 $4,817,695,616 -$101,224,945 $142.41 347
2021 Q4 32,810,387 $4,503,363,961 +$134,495,776 $137.22 346
2021 Q3 31,763,398 $3,534,887,360 +$39,113,486 $111.29 327
2021 Q2 34,070,376 $3,430,338,535 -$230,693,507 $100.69 317
2021 Q1 36,437,002 $3,816,103,245 -$9,393,139 $104.78 305
2020 Q4 36,370,932 $4,430,819,471 +$32,541,822 $121.87 335
2020 Q3 32,389,271 $3,175,471,205 -$9,698,620 $98.01 310
2020 Q2 35,146,295 $3,653,445,734 +$32,138,826 $104.02 343
2020 Q1 35,245,961 $3,064,790,067 +$46,788,791 $86.99 288
2019 Q4 34,974,042 $2,917,160,726 +$87,555,954 $83.37 293
2019 Q3 33,561,835 $2,536,767,913 +$19,134,020 $75.57 251
2019 Q2 33,309,516 $2,899,654,274 +$48,666,179 $87.08 271
2019 Q1 31,761,339 $2,627,628,723 +$16,019,383 $82.74 257
2018 Q4 32,679,212 $2,443,632,538 +$5,774,175 $74.74 265
2018 Q3 33,089,967 $2,947,682,422 +$57,385,664 $89.10 266
2018 Q2 31,742,766 $2,676,550,503 +$155,619,268 $84.30 258
2018 Q1 31,118,303 $2,263,526,764 +$113,461,105 $72.75 236
2017 Q4 30,923,373 $1,836,160,165 +$88,949,698 $59.35 210
2017 Q3 29,377,214 $1,522,047,130 +$58,866,468 $51.80 178
2017 Q2 28,483,067 $1,162,651,536 +$19,945,008 $40.80 164
2017 Q1 28,177,794 $1,067,992,836 +$216,918,078 $37.90 163
2016 Q4 25,874,582 $824,591,670 -$7,541,614 $31.65 170
2016 Q3 25,760,020 $983,346,493 +$44,158,009 $38.19 164
2016 Q2 24,579,355 $732,785,734 +$44,695,676 $29.81 148
2016 Q1 23,273,383 $589,040,811 -$5,692,472 $25.31 143
2015 Q4 23,260,766 $769,680,310 -$8,987,710 $33.09 145
2015 Q3 22,255,175 $633,371,878 +$34,812,970 $28.46 144
2015 Q2 20,247,035 $816,507,233 +$11,697,434 $40.35 149
2015 Q1 19,766,765 $919,254,365 +$48,208,188 $46.48 154
2014 Q4 18,947,834 $715,202,421 +$33,581,769 $37.75 128
2014 Q3 18,322,141 $487,362,012 +$37,807,066 $26.60 110
2014 Q2 16,900,593 $433,449,264 +$21,890,896 $25.67 95
2014 Q1 15,783,937 $401,379,113 +$64,211,135 $25.43 86