Security key
74758T303
- Type / Class
- Equity / Common Stock
- Shares outstanding
- 35,743,769
- Total 13F shares
- 36,725,370
- Share change
- +790,634
- Total reported value
- $3,225,565,713
- Put/Call ratio
- 74%
- Price per share
- $87.85
- Number of holders
- 412
- Value change
- +$3,644,554
- Number of buys
- 239
- Number of sells
- 200
Report period
Q1 2026
Institutions
412
Top holders
10
QLYS full security history
Previous quarter: Q4 2025
QUALYS, INC. SEC filings
QUALYS, INC. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 74758T303
Recent filing periods:
Top shareholders of QLYS - QUALYS, INC. - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
13D/G
|
Company |
14%
from 13D/G
|
5,373,096
|
$714,084,504 | — | 31 Dec 2025 | |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13D/G
|
Vanguard Portfolio Management |
7.2%
|
2,568,470
|
$225,640,090 | $0 | 31 Mar 2026 | |
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
|
Vanguard Capital Management |
5.2%
|
1,858,676
|
$163,284,687 | $0 | 31 Mar 2026 | |
| Jeffrey P. Hank |
3/4/5
|
Director |
0.04%
|
13,888
mixed-class rows
|
$2,094,124 | -$91,369 | 16 Jun 2025 | |
| Kristi Marie Rogers |
3/4/5
|
Director |
0.02%
|
8,596
|
$1,157,921 | -$228,998 | 22 Aug 2025 | |
| Thomas Berquist |
3/4/5
|
Director |
0.01%
|
5,092
|
$681,971 | -$159,180 | 02 Sep 2025 | |
| John A. Zangardi |
3/4/5
|
Director |
0.01%
|
4,076
|
$550,029 | -$1,109,043 | 27 Aug 2025 | |
| Bradford L. Brooks |
3/4/5
|
Director |
0.01%
|
3,198
|
$423,191 | — | 30 Oct 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
12%
|
4,365,407
|
$580,162,589 | — | 31 Dec 2025 | |
| FIRST TRUST ADVISORS LP |
13F
|
Company |
3.8%
|
1,372,587
|
$182,416,812 | — | 31 Dec 2025 | |
| STATE STREET CORP |
13F
|
Company |
3.8%
|
1,348,093
|
$179,161,560 | — | 31 Dec 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
3.5%
|
1,256,002
|
$168,379,771 | — | 31 Dec 2025 | |
| Legal & General Group Plc |
13F
|
Company |
3.2%
|
1,156,412
|
$153,687,154 | — | 31 Dec 2025 | |
| Boston Trust Walden Corp |
13F
|
Company |
3.1%
|
1,103,888
|
$146,706,715 | — | 31 Dec 2025 | |
| Neuberger Berman Group LLC |
13F
|
Company |
2.3%
|
815,077
|
$108,323,734 | — | 31 Dec 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
2%
|
717,381
|
$95,343,922 | — | 31 Dec 2025 | |
| MORGAN STANLEY |
13F
|
Company |
1.9%
|
691,800
|
$91,940,408 | — | 31 Dec 2025 | |
| Fundsmith LLP |
13F
|
Company |
1.8%
|
647,806
|
$86,093,417 | — | 31 Dec 2025 | |
| AQR CAPITAL MANAGEMENT LLC |
13F
|
Company |
1.8%
|
633,471
|
$84,188,260 | — | 31 Dec 2025 | |
| FULLER & THALER ASSET MANAGEMENT, INC. |
13F
|
Company |
1.7%
|
591,358
|
$78,591,438 | — | 31 Dec 2025 | |
| RWA WEALTH PARTNERS, LLC |
13F
|
Company |
1.6%
|
588,748
|
$78,244,609 | — | 31 Dec 2025 | |
| Penserra Capital Management LLC |
13F
|
Company |
1.5%
|
547,075
|
$72,706,000 | — | 31 Dec 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
1.4%
|
512,649
|
$68,131,052 | — | 31 Dec 2025 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
1.4%
|
488,695
|
$64,947,565 | — | 31 Dec 2025 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
1.3%
|
480,300
|
$63,831,870 | — | 31 Dec 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
1.3%
|
470,311
|
$62,504,339 | — | 31 Dec 2025 | |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC |
13F
|
Company |
1.2%
|
430,885
|
$57,264,617 | — | 31 Dec 2025 | |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. |
13F
|
Company |
1.2%
|
422,815
|
$56,197,402 | — | 31 Dec 2025 | |
| AMERICAN CAPITAL MANAGEMENT INC |
13F
|
Company |
1.1%
|
404,119
|
$53,707,415 | — | 31 Dec 2025 | |
| LONDON CO OF VIRGINIA |
13F
|
Company |
1.1%
|
389,254
|
$51,733,292 | — | 31 Dec 2025 | |
| CDAM (UK) Ltd |
13F
|
Company |
1.1%
|
386,650
|
$51,385,785 | — | 31 Dec 2025 | |
| Invesco Ltd. |
13F
|
Company |
1.1%
|
376,406
|
$50,024,357 | — | 31 Dec 2025 | |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP |
13F
|
Company |
1%
|
366,844
|
$48,753,568 | — | 31 Dec 2025 | |
| Clark Capital Management Group, Inc. |
13F
|
Company |
1%
|
363,593
|
$48,321,509 | — | 31 Dec 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.95%
|
341,297
|
$45,358,372 | — | 31 Dec 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.92%
|
330,154
|
$43,877,434 | — | 31 Dec 2025 | |
| VOYA INVESTMENT MANAGEMENT LLC |
13F
|
Company |
0.81%
|
289,872
|
$38,523,989 | — | 31 Dec 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.76%
|
271,878
|
$36,132,586 | — | 31 Dec 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
0.69%
|
245,322
|
$32,603,294 | — | 31 Dec 2025 | |
| BNP PARIBAS FINANCIAL MARKETS |
13F
|
Company |
0.65%
|
234,108
|
$31,112,953 | — | 31 Dec 2025 | |
| NORGES BANK |
13F
|
Company |
0.61%
|
219,395
|
$29,157,596 | — | 31 Dec 2025 | |
| TUDOR INVESTMENT CORP ET AL |
13F
|
Company |
0.61%
|
217,475
|
$28,902,428 | — | 31 Dec 2025 | |
| FORT WASHINGTON INVESTMENT ADVISORS INC /OH/ |
13F
|
Company |
0.58%
|
208,832
|
$27,753,773 | — | 31 Dec 2025 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
0.58%
|
206,425
|
$27,433,883 | — | 31 Dec 2025 | |
| Retirement Systems of Alabama |
13F
|
Company |
0.51%
|
180,700
|
$24,015,030 | — | 31 Dec 2025 | |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
|
Company |
0.5%
|
179,556
|
$23,864,000 | — | 31 Dec 2025 | |
| AMERIPRISE FINANCIAL INC |
13F
|
Company |
0.5%
|
178,424
|
$23,711,206 | — | 31 Dec 2025 | |
| FEDERATED HERMES, INC. |
13F
|
Company |
0.49%
|
174,052
|
$23,131,511 | — | 31 Dec 2025 | |
| CANADA LIFE ASSURANCE Co |
13F
|
Company |
0.43%
|
154,351
|
$20,494,000 | — | 31 Dec 2025 | |
| ENVESTNET ASSET MANAGEMENT INC |
13F
|
Company |
0.42%
|
150,497
|
$20,001,051 | — | 31 Dec 2025 |
Institutional Holders of QUALYS, INC. - Common Stock (QLYS) as of Q1 2026
As of 31 Mar 2026,
QUALYS, INC. - Common Stock (QLYS) was held by
412 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
36,725,370 shares.
The largest 10 holders included
BlackRock, Inc., VANGUARD PORTFOLIO MANAGEMENT LLC, VANGUARD CAPITAL MANAGEMENT LLC, STATE STREET CORP, GEODE CAPITAL MANAGEMENT, LLC, AQR CAPITAL MANAGEMENT LLC, Legal & General Group Plc, Boston Trust Walden Corp, FIRST TRUST ADVISORS LP, and ARROWSTREET CAPITAL, LIMITED PARTNERSHIP.
This page lists
412
institutional shareholders reporting positions in this security
for the Q1 2026 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q1 2026 vs Q4 2025 Across Filers
Q4 2025 holders
446
Q1 2026 holders
412
Holder diff
-34
| Investor | Q4 2025 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q4 2025 Value $ | Q1 2026 Value $ | Value Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
An asterisk sign (*) next to the price indicates that the price is likely invalid.