QUALYS, INC. - Common Stock (QLYS)

CUSIP: 74758T303

Q3 2025 13F Holders as of 30 Sep 2025

Type / Class
Equity / Common Stock
Shares outstanding
35,743,769
Total 13F shares
35,395,618
Share change
+283,353
Total reported value
$4,686,653,183
Put/Call ratio
14%
Price per share
$132.33
Number of holders
427
Value change
+$31,809,278
Number of buys
209
Number of sells
203

Quarterly Holders Quick Answers

What is CUSIP 74758T303?
CUSIP 74758T303 identifies QLYS - QUALYS, INC. - Common Stock in SEC institutional holdings data.

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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 by the holder's primary source 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
5,623,820
$803,475,102 30 Jun 2025
Philippe Courtot Family Trust
3/4/5
10%+ Owner
class O/S missing
3,850,339
$768,508,413 04 Nov 2021
VANGUARD GROUP INC
13F
Company
12%
4,277,836
$611,174,430 30 Jun 2025
13F
STATE STREET CORP
13F
Company
4%
1,411,947
$201,724,868 30 Jun 2025
13F
GEODE CAPITAL MANAGEMENT, LLC
13F
Company
3.4%
1,203,999
$173,818,754 30 Jun 2025
13F
Boston Trust Walden Corp
13F
Company
3.2%
1,137,864
$162,566,629 30 Jun 2025
13F
FIRST TRUST ADVISORS LP
13F
Company
3.1%
1,115,717
$159,402,487 30 Jun 2025
13F
Neuberger Berman Group LLC
13F
Company
3%
1,074,574
$153,524,388 30 Jun 2025
13F
Legal & General Group Plc
13F
Company
2.9%
1,051,673
$150,252,522 30 Jun 2025
13F
AQR CAPITAL MANAGEMENT LLC
13F
Company
2.8%
1,012,100
$144,133,161 30 Jun 2025
13F
MORGAN STANLEY
13F
Company
2.6%
944,098
$134,883,469 30 Jun 2025
13F
Fundsmith LLP
13F
Company
2%
718,602
$102,666,668 30 Jun 2025
13F
DIMENSIONAL FUND ADVISORS LP
13F
Company
1.9%
681,352
$97,342,159 30 Jun 2025
13F
Penserra Capital Management LLC
13F
Company
1.5%
545,380
$77,918,000 30 Jun 2025
13F
NORTHERN TRUST CORP
13F
Company
1.5%
541,277
$77,332,245 30 Jun 2025
13F
JPMORGAN CHASE & CO
13F
Company
1.5%
521,875
$74,560,407 30 Jun 2025
13F
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.
13F
Company
1.4%
506,792
$72,399,840 30 Jun 2025
13F
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
13F
Company
1.4%
498,830
$71,267,841 30 Jun 2025
13F
LONDON CO OF VIRGINIA
13F
Company
1.3%
469,977
$67,147,138 30 Jun 2025
13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F
Company
1.3%
469,697
$67,105,610 30 Jun 2025
13F
AMERICAN CAPITAL MANAGEMENT INC
13F
Company
1.2%
417,253
$59,612,936 30 Jun 2025
13F
CDAM (UK) Ltd
13F
Company
1.1%
399,935
$57,138,714 30 Jun 2025
13F
Bank of New York Mellon Corp
13F
Company
1.1%
382,100
$54,590,604 30 Jun 2025
13F
Invesco Ltd.
13F
Company
1.1%
380,600
$54,376,322 30 Jun 2025
13F
RENAISSANCE TECHNOLOGIES LLC
13F
Company
1%
360,400
$51,490,348 30 Jun 2025
13F
BANK OF AMERICA CORP /DE/
13F
Company
0.9%
322,715
$46,106,294 30 Jun 2025
13F
GOLDMAN SACHS GROUP INC
13F
Company
0.89%
318,901
$45,561,386 30 Jun 2025
13F
VOYA INVESTMENT MANAGEMENT LLC
13F
Company
0.81%
291,199
$41,603,602 30 Jun 2025
13F
MILLENNIUM MANAGEMENT LLC
13F
Company
0.53%
190,326
$27,191,876 30 Jun 2025
13F
PRICE T ROWE ASSOCIATES INC /MD/
13F
Company
0.49%
175,821
$25,121,000 30 Jun 2025
13F
BARCLAYS PLC
13F
Company
0.49%
173,718
$24,819,091 30 Jun 2025
13F
FORT WASHINGTON INVESTMENT ADVISORS INC /OH/
13F
Company
0.44%
156,614
$22,375,442 30 Jun 2025
13F
BNP PARIBAS FINANCIAL MARKETS
13F
Company
0.43%
155,172
$22,169,424 30 Jun 2025
13F
TWO SIGMA INVESTMENTS, LP
13F
Company
0.41%
147,816
$21,118,472 30 Jun 2025
13F
Retirement Systems of Alabama
13F
Company
0.41%
147,400
$21,059,038 30 Jun 2025
13F
CANADA LIFE ASSURANCE Co
13F
Company
0.41%
145,711
$20,808,000 30 Jun 2025
13F
Fisher Asset Management, LLC
13F
Company
0.4%
144,002
$20,573,564 30 Jun 2025
13F
Point72 Asset Management, L.P.
13F
Company
0.39%
138,300
$19,758,921 30 Jun 2025
13F
ACADIAN ASSET MANAGEMENT LLC
13F
Company
0.38%
136,835
$19,535,000 30 Jun 2025
13F
ENVESTNET ASSET MANAGEMENT INC
13F
Company
0.38%
134,955
$19,280,949 30 Jun 2025
13F
Cubist Systematic Strategies, LLC
13F
Company
0.38%
134,271
$19,183,298 30 Jun 2025
13F
Nuveen, LLC
13F
Company
0.38%
134,045
$19,151,009 30 Jun 2025
13F
CANADA PENSION PLAN INVESTMENT BOARD
13F
Company
0.36%
127,600
$18,230,212 30 Jun 2025
13F
Qube Research & Technologies Ltd
13F
Company
0.35%
126,846
$18,122,488 30 Jun 2025
13F
TUDOR INVESTMENT CORP ET AL
13F
Company
0.34%
123,182
$17,599,012 30 Jun 2025
13F
RHUMBLINE ADVISERS
13F
Company
0.34%
120,424
$17,204,945 30 Jun 2025
13F
NORRIS PERNE & FRENCH LLP/MI
13F
Company
0.33%
119,013
$17,003,387 30 Jun 2025
13F
Connor, Clark & Lunn Investment Management Ltd.
13F
Company
0.32%
114,134
$16,306,325 30 Jun 2025
13F
UBS Group AG
13F
Company
0.32%
112,896
$16,129,452 30 Jun 2025
13F
TWO SIGMA ADVISERS, LP
13F
Company
0.31%
111,600
$15,944,292 30 Jun 2025
13F

Institutional Holders of QUALYS, INC. - Common Stock (QLYS) as of Q3 2025

As of 30 Sep 2025, QUALYS, INC. - Common Stock (QLYS) was held by 427 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 35,395,618 shares. The largest 10 holders included BlackRock, Inc., VANGUARD GROUP INC, STATE STREET CORP, GEODE CAPITAL MANAGEMENT, LLC, Boston Trust Walden Corp, FIRST TRUST ADVISORS LP, Legal & General Group Plc, NEUBERGER BERMAN GROUP LLC, AQR CAPITAL MANAGEMENT LLC, and Fundsmith LLP. This page lists 427 institutional shareholders reporting positions in this security for the Q3 2025 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period

Compare Q3 2025 vs Q2 2025 Across Filers

Q2 2025 holders
434
Q3 2025 holders
427
Holder diff
-7
Investor Q2 2025 Shares Q3 2025 Shares Share Diff Share Chg % Q2 2025 Value $ Q3 2025 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.
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