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 Q1 2018?

239 institutional investors reported QLYS - QUALYS, INC. - Common Stock for Q1 2018. Use the holders table for investor-level position and value details.

QUALYS, INC. - Common Stock (QLYS)

CUSIP: 74758T303

Q1 2018 13F Holders as of 31 Mar 2018

Type / Class: Equity / Common Stock
Shares outstanding: 36,359,850
Total 13F shares: 31,222,393
Share change: +1,543,850
Total reported value: $2,271,098,495
Put/Call ratio: 56%
Price per share: $72.75
Number of holders: 239
Value change: +$114,377,614
Number of buys: 121
Number of sells: 105

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: Q2 2018
Previous quarter: Q4 2017

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	11%	3,985,117	$236,517,000	—	31 Dec 2017	13F
Neuberger Berman Group LLC	13F	Company	7.7%	2,817,770	$167,235,000	—	31 Dec 2017	13F
VANGUARD GROUP INC	13F	Company	6.3%	2,308,622	$137,016,000	—	31 Dec 2017	13F
Champlain Investment Partners, LLC	13F	Company	4.6%	1,689,100	$100,248,000	—	31 Dec 2017	13F
Invesco Ltd.	13F	Company	3.7%	1,352,892	$80,294,000	—	31 Dec 2017	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	3.6%	1,300,700	$77,197,000	—	31 Dec 2017	13F
Clearbridge Investments, LLC	13F	Company	3.1%	1,123,814	$66,698,000	—	31 Dec 2017	13F
COLUMBIA WANGER ASSET MANAGEMENT LLC	13F	Company	2.8%	1,007,540	$59,797,000	—	31 Dec 2017	13F
STATE STREET CORP	13F	Company	2.7%	970,672	$57,606,000	—	31 Dec 2017	13F
ETF MANAGERS GROUP, LLC	13F	Company	2.4%	875,676	$53,504,000	—	31 Dec 2017	13F
BAMCO INC /NY/	13F	Company	2.2%	789,600	$46,863,000	—	31 Dec 2017	13F
Ranger Investment Management, L.P.	13F	Company	2.1%	754,519	$44,781,000	—	31 Dec 2017	13F
PICTET ASSET MANAGEMENT LTD	13F	Company	1.8%	668,500	$39,676,000	—	31 Dec 2017	13F
Stephens Investment Management Group LLC	13F	Company	1.6%	598,813	$35,540,000	—	31 Dec 2017	13F
NORGES BANK	13F	Company	1.6%	597,056	$35,435,000	—	31 Dec 2017	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	1.6%	570,190	$33,841,000	—	31 Dec 2017	13F
CREDIT SUISSE AG/	13F	Company	1.3%	486,841	$28,894,000	—	31 Dec 2017	13F
NORTHERN TRUST CORP	13F	Company	1.2%	443,499	$26,322,000	—	31 Dec 2017	13F
Bank of New York Mellon Corp	13F	Company	1%	377,970	$22,433,000	—	31 Dec 2017	13F
Cavalry Management Group, LLC	13F	Company	0.85%	310,826	$18,448,000	—	31 Dec 2017	13F
TEACHERS ADVISORS, LLC	13F	Company	0.84%	305,878	$18,154,000	—	31 Dec 2017	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.79%	287,660	$17,072,000	—	31 Dec 2017	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.76%	274,836	$16,311,000	—	31 Dec 2017	13F
PRINCIPAL FINANCIAL GROUP INC	13F	Company	0.71%	256,583	$15,228,000	—	31 Dec 2017	13F
GO ETF SOLUTIONS LLP	13F	Company	0.64%	231,262	$13,725,000	—	31 Dec 2017	13F
PRUDENTIAL FINANCIAL INC	13F	Company	0.61%	221,784	$13,162,000	—	31 Dec 2017	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.6%	217,098	$12,885,000	—	31 Dec 2017	13F
FIRST TRUST ADVISORS LP	13F	Company	0.58%	211,638	$12,561,000	—	31 Dec 2017	13F
JPMORGAN CHASE & CO	13F	Company	0.58%	210,522	$12,494,000	—	31 Dec 2017	13F
Portolan Capital Management, LLC	13F	Company	0.55%	198,346	$11,772,000	—	31 Dec 2017	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.47%	170,844	$10,140,000	—	31 Dec 2017	13F
Goodman Financial Corp	13F	Company	0.43%	156,905	$9,312,000	—	31 Dec 2017	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.41%	149,393	$8,867,000	—	31 Dec 2017	13F
Stanley-Laman Group, Ltd.	13F	Company	0.41%	148,549	$8,816,000	—	31 Dec 2017	13F
Fiera Capital Corp	13F	Company	0.37%	133,928	$7,949,000	—	31 Dec 2017	13F
Granahan Investment Management, LLC	13F	Company	0.37%	133,536	$7,925,000	—	31 Dec 2017	13F
EAGLE ASSET MANAGEMENT INC	13F	Company	0.36%	131,973	$7,854,000	—	31 Dec 2017	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	0.36%	130,910	$7,770,000	—	31 Dec 2017	13F
DF DENT & CO INC	13F	Company	0.34%	123,500	$7,330,000	—	31 Dec 2017	13F
TWO SIGMA ADVISERS, LP	13F	Company	0.33%	119,500	$7,092,000	—	31 Dec 2017	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	0.33%	119,354	$7,084,000	—	31 Dec 2017	13F
Financial Enhancement Group LLC	13F	Company	0.31%	113,889	$6,759,000	—	31 Dec 2017	13F
BOGLE INVESTMENT MANAGEMENT L P /DE/	13F	Company	0.3%	108,340	$6,429,000	—	31 Dec 2017	13F
MERITAGE PORTFOLIO MANAGEMENT	13F	Company	0.29%	105,224	$6,245,000	—	31 Dec 2017	13F
Summit Creek Advisors LLC	13F	Company	0.27%	99,272	$5,892,000	—	31 Dec 2017	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.26%	95,736	$5,682,000	—	31 Dec 2017	13F
DEUTSCHE BANK AG\	13F	Company	0.24%	88,024	$5,222,000	—	31 Dec 2017	13F
HERALD INVESTMENT MANAGEMENT Ltd	13F	Company	0.24%	87,250	$5,165,000	—	31 Dec 2017	13F
Russell Investments Group, Ltd.	13F	Company	0.23%	83,790	$5,027,000	—	31 Dec 2017	13F
MORGAN STANLEY	13F	Company	0.23%	83,859	$4,976,000	—	31 Dec 2017	13F

Institutional Holders of QUALYS, INC. - Common Stock (QLYS) as of Q1 2018

As of 31 Mar 2018, QUALYS, INC. - Common Stock (QLYS) was held by 239 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 31,222,393 shares. The largest 10 holders included BlackRock Inc., VANGUARD GROUP INC, Neuberger Berman Group LLC, RENAISSANCE TECHNOLOGIES LLC, Champlain Investment Partners, LLC, Invesco Ltd., Clearbridge Investments, LLC, AMERIPRISE FINANCIAL INC, STATE STREET CORP, and BAMCO INC /NY/. This page lists 239 institutional shareholders reporting positions in this security for the Q1 2018 filing period.

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

Compare Q1 2018 vs Q4 2017 Across Filers

Q4 2017 holders

211

Q1 2018 holders

239

Holder diff

Investor	Q4 2017 Shares	Q1 2018 Shares	Share Diff	Share Chg %	Q4 2017 Value $	Q1 2018 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.