What does CUSIP 74758T303 represent in this 13F holders report?

CUSIP 74758T303 is the security identifier for QLYS - QUALYS, INC. - Common Stock used to aggregate holder disclosures.

How many institutions held QLYS - QUALYS, INC. - Common Stock in Q4 2023?

461 institutional investors reported QLYS - QUALYS, INC. - Common Stock for Q4 2023. Use the holders table for investor-level position and value details.

QUALYS, INC. - Common Stock (QLYS)

CUSIP: 74758T303

Q4 2023 13F Holders as of 31 Dec 2023

Type / Class: Equity / Common Stock
Shares outstanding: 35,743,769
Total 13F shares: 36,645,215
Share change: +621,368
Total reported value: $7,192,338,851
Put/Call ratio: 22%
Price per share: $196.28
Number of holders: 461
Value change: +$161,334,962
Number of buys: 220
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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Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q1 2024
Previous quarter: Q3 2023

Recent filing periods for CUSIP 74758T303:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

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 Finance, Inc.	13F	Company	14%	5,059,545	$771,833,593	—	30 Sep 2023	13F
Philippe Courtot Family Trust	3/4/5	10%+ Owner	— class O/S missing	3,850,339	$768,508,413	—	04 Nov 2021	3/4/5
VANGUARD GROUP INC	13F	Company	10%	3,739,966	$570,531,813	—	30 Sep 2023	13F
Neuberger Berman Group LLC	13F	Company	5.5%	1,956,154	$298,411,216	—	30 Sep 2023	13F
STATE STREET CORP	13F	Company	3.5%	1,251,592	$190,930,360	—	30 Sep 2023	13F
FIRST TRUST ADVISORS LP	13F	Company	3.5%	1,245,631	$190,021,009	—	30 Sep 2023	13F
CONGRESS ASSET MANAGEMENT CO	13F	Company	3.2%	1,137,107	$173,465,647	—	30 Sep 2023	13F
MORGAN STANLEY	13F	Company	2.9%	1,025,342	$156,415,999	—	30 Sep 2023	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	2.7%	982,772	$150,330,931	—	30 Sep 2023	13F
Legal & General Group Plc	13F	Company	2.5%	887,988	$135,462,570	—	30 Sep 2023	13F
Boston Trust Walden Corp	13F	Company	2.2%	794,790	$121,245,214	—	30 Sep 2023	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	2%	717,766	$109,496,883	—	30 Sep 2023	13F
AMERICAN CAPITAL MANAGEMENT INC	13F	Company	1.9%	689,676	$105,210,074	—	30 Sep 2023	13F
Fundsmith LLP	13F	Company	1.8%	653,895	$99,751,682	—	30 Sep 2023	13F
NORTHERN TRUST CORP	13F	Company	1.6%	570,957	$87,099,490	—	30 Sep 2023	13F
CDAM (UK) Ltd	13F	Company	1.5%	553,728	$84,471,207	—	30 Sep 2023	13F
FMR LLC	13F	Company	1.4%	517,735	$78,980,424	—	30 Sep 2023	13F
Van Berkom & Associates Inc.	13F	Company	1.4%	511,574	$78,041,000	—	30 Sep 2023	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	1.3%	469,731	$71,657,464	—	30 Sep 2023	13F
CREDIT SUISSE AG/	13F	Company	1.3%	447,752	$68,304,567	—	30 Sep 2023	13F
Mirae Asset Global Investments Co., Ltd.	13F	Company	1.2%	428,798	$65,413,135	—	30 Sep 2023	13F
Bank of New York Mellon Corp	13F	Company	1.2%	424,652	$64,780,662	—	30 Sep 2023	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	1.1%	407,059	$62,098,000	—	30 Sep 2023	13F
JPMORGAN CHASE & CO	13F	Company	1.1%	380,609	$58,061,902	—	30 Sep 2023	13F
NORGES BANK	13F	Company	1.1%	378,810	$57,787,466	—	30 Sep 2023	13F
VOYA INVESTMENT MANAGEMENT LLC	13F	Company	1%	370,238	$56,479,807	—	30 Sep 2023	13F
Clearbridge Investments, LLC	13F	Company	1%	357,986	$54,610,834	—	30 Sep 2023	13F
Stephens Investment Management Group LLC	13F	Company	0.89%	317,900	$48,495,645	—	30 Sep 2023	13F
Ranger Investment Management, L.P.	13F	Company	0.81%	288,774	$44,052,474	—	30 Sep 2023	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.77%	275,749	$42,065,205	—	30 Sep 2023	13F
Invesco Ltd.	13F	Company	0.7%	250,661	$38,238,335	—	30 Sep 2023	13F
TWO SIGMA ADVISERS, LP	13F	Company	0.64%	228,600	$34,872,930	—	30 Sep 2023	13F
Nuveen Asset Management, LLC	13F	Company	0.57%	205,389	$31,332,092	—	30 Sep 2023	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.55%	196,199	$29,930,159	—	30 Sep 2023	13F
LONDON CO OF VIRGINIA	13F	Company	0.53%	188,185	$28,707,617	—	30 Sep 2023	13F
JACOBS LEVY EQUITY MANAGEMENT, INC	13F	Company	0.48%	170,851	$26,063,320	—	30 Sep 2023	13F
Grandeur Peak Global Advisors, LLC	13F	Company	0.46%	164,677	$25,121,476	—	30 Sep 2023	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.45%	162,383	$24,771,526	—	30 Sep 2023	13F
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	13F	Company	0.45%	159,804	$24,378,101	—	30 Sep 2023	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.43%	154,573	$23,580,111	—	30 Sep 2023	13F
AQR CAPITAL MANAGEMENT LLC	13F	Company	0.42%	150,737	$22,994,929	—	30 Sep 2023	13F
PRINCIPAL FINANCIAL GROUP INC	13F	Company	0.41%	146,588	$22,362,000	—	30 Sep 2023	13F
NORRIS PERNE & FRENCH LLP/MI	13F	Company	0.4%	144,017	$21,969,845	—	30 Sep 2023	13F
Summit Creek Advisors LLC	13F	Company	0.39%	140,688	$21,461,954	—	30 Sep 2023	13F
CW Advisors, LLC	13F	Company	0.38%	135,248	$20,632,158	—	30 Sep 2023	13F
AXA S.A.	13F	Company	0.35%	124,596	$19,007,120	—	30 Sep 2023	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.34%	123,300	$18,809,000	—	30 Sep 2023	13F
Pictet Asset Management Holding SA	13F	Company	0.33%	117,114	$17,865,741	—	30 Sep 2023	13F
RHUMBLINE ADVISERS	13F	Company	0.33%	116,884	$17,830,625	—	30 Sep 2023	13F
JUPITER ASSET MANAGEMENT LTD	13F	Company	0.31%	112,390	$17,145,095	—	30 Sep 2023	13F

Institutional Holders of QUALYS, INC. - Common Stock (QLYS) as of Q4 2023

As of 31 Dec 2023, QUALYS, INC. - Common Stock (QLYS) was held by 461 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 36,645,215 shares. The largest 10 holders included BlackRock Inc., VANGUARD GROUP INC, NEUBERGER BERMAN GROUP LLC, STATE STREET CORP, MORGAN STANLEY, FIRST TRUST ADVISORS LP, CONGRESS ASSET MANAGEMENT CO /MA, GEODE CAPITAL MANAGEMENT, LLC, Legal & General Group Plc, and DIMENSIONAL FUND ADVISORS LP. This page lists 462 institutional shareholders reporting positions in this security for the Q4 2023 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q4 2023 vs Q3 2023 Across Filers

Q3 2023 holders

406

Q4 2023 holders

461

Holder diff

Investor	Q3 2023 Shares	Q4 2023 Shares	Share Diff	Share Chg %	Q3 2023 Value $	Q4 2023 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.