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Side-by-side financial comparison of QUALYS, INC. (QLYS) and QUINSTREET, INC (QNST). Click either name above to swap in a different company.

QUINSTREET, INC is the larger business by last-quarter revenue ($287.8M vs $175.3M, roughly 1.6× QUALYS, INC.). QUALYS, INC. runs the higher net margin — 30.3% vs 17.4%, a 12.9% gap on every dollar of revenue. On growth, QUALYS, INC. posted the faster year-over-year revenue change (10.1% vs 1.9%). QUALYS, INC. produced more free cash flow last quarter ($74.9M vs $20.7M). Over the past eight quarters, QUINSTREET, INC's revenue compounded faster (53.2% CAGR vs 9.6%).

Qualys, Inc. is an American technology firm based in Foster City, California, specializing in cloud security, compliance and related services.

QuinStreet, Inc. is a publicly traded online marketing company based in Foster City, California. The company helps generate web traffic for clients by acquiring popular domain names.

QLYS vs QNST — Head-to-Head

Bigger by revenue
QNST
QNST
1.6× larger
QNST
$287.8M
$175.3M
QLYS
Growing faster (revenue YoY)
QLYS
QLYS
+8.3% gap
QLYS
10.1%
1.9%
QNST
Higher net margin
QLYS
QLYS
12.9% more per $
QLYS
30.3%
17.4%
QNST
More free cash flow
QLYS
QLYS
$54.2M more FCF
QLYS
$74.9M
$20.7M
QNST
Faster 2-yr revenue CAGR
QNST
QNST
Annualised
QNST
53.2%
9.6%
QLYS

Income Statement — Q4 FY2025 vs Q2 FY2026

Metric
QLYS
QLYS
QNST
QNST
Revenue
$175.3M
$287.8M
Net Profit
$53.1M
$50.2M
Gross Margin
83.4%
9.6%
Operating Margin
33.6%
0.4%
Net Margin
30.3%
17.4%
Revenue YoY
10.1%
1.9%
Net Profit YoY
20.9%
3342.5%
EPS (diluted)
$1.47
$0.87

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
QLYS
QLYS
QNST
QNST
Q4 25
$175.3M
$287.8M
Q3 25
$169.9M
$285.9M
Q2 25
$164.1M
Q1 25
$159.9M
$269.8M
Q4 24
$159.2M
$282.6M
Q3 24
$153.9M
$279.2M
Q2 24
$148.7M
$198.3M
Q1 24
$145.8M
$168.6M
Net Profit
QLYS
QLYS
QNST
QNST
Q4 25
$53.1M
$50.2M
Q3 25
$50.3M
$4.5M
Q2 25
$47.3M
Q1 25
$47.5M
$4.4M
Q4 24
$44.0M
$-1.5M
Q3 24
$46.2M
$-1.4M
Q2 24
$43.8M
$-2.2M
Q1 24
$39.7M
$-7.0M
Gross Margin
QLYS
QLYS
QNST
QNST
Q4 25
83.4%
9.6%
Q3 25
83.6%
9.4%
Q2 25
82.4%
Q1 25
81.9%
10.3%
Q4 24
81.8%
9.5%
Q3 24
81.3%
10.2%
Q2 24
82.2%
8.8%
Q1 24
81.3%
8.5%
Operating Margin
QLYS
QLYS
QNST
QNST
Q4 25
33.6%
0.4%
Q3 25
35.3%
1.7%
Q2 25
31.3%
Q1 25
32.4%
1.8%
Q4 24
31.0%
-0.5%
Q3 24
29.2%
-0.4%
Q2 24
32.3%
-0.7%
Q1 24
30.7%
-3.2%
Net Margin
QLYS
QLYS
QNST
QNST
Q4 25
30.3%
17.4%
Q3 25
29.6%
1.6%
Q2 25
28.8%
Q1 25
29.7%
1.6%
Q4 24
27.6%
-0.5%
Q3 24
30.0%
-0.5%
Q2 24
29.4%
-1.1%
Q1 24
27.2%
-4.2%
EPS (diluted)
QLYS
QLYS
QNST
QNST
Q4 25
$1.47
$0.87
Q3 25
$1.39
$0.08
Q2 25
$1.29
Q1 25
$1.29
$0.08
Q4 24
$1.19
$-0.03
Q3 24
$1.24
$-0.02
Q2 24
$1.17
$-0.04
Q1 24
$1.05
$-0.13

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
QLYS
QLYS
QNST
QNST
Cash + ST InvestmentsLiquidity on hand
$250.3M
$107.0M
Total DebtLower is stronger
Stockholders' EquityBook value
$561.2M
$294.4M
Total Assets
$1.1B
$493.0M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
QLYS
QLYS
QNST
QNST
Q4 25
$250.3M
$107.0M
Q3 25
$225.3M
$101.3M
Q2 25
$194.0M
Q1 25
$290.7M
$81.8M
Q4 24
$232.2M
$57.8M
Q3 24
$235.4M
$25.0M
Q2 24
$281.2M
$50.5M
Q1 24
$273.8M
$39.6M
Stockholders' Equity
QLYS
QLYS
QNST
QNST
Q4 25
$561.2M
$294.4M
Q3 25
$529.4M
$246.7M
Q2 25
$508.2M
Q1 25
$498.0M
$235.5M
Q4 24
$477.1M
$224.3M
Q3 24
$449.6M
$219.8M
Q2 24
$427.8M
$216.8M
Q1 24
$404.2M
$215.0M
Total Assets
QLYS
QLYS
QNST
QNST
Q4 25
$1.1B
$493.0M
Q3 25
$1.0B
$442.6M
Q2 25
$999.5M
Q1 25
$996.5M
$417.2M
Q4 24
$973.5M
$409.6M
Q3 24
$908.3M
$401.2M
Q2 24
$876.6M
$368.5M
Q1 24
$861.8M
$349.3M

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
QLYS
QLYS
QNST
QNST
Operating Cash FlowLast quarter
$75.7M
$21.6M
Free Cash FlowOCF − Capex
$74.9M
$20.7M
FCF MarginFCF / Revenue
42.8%
7.2%
Capex IntensityCapex / Revenue
0.4%
0.3%
Cash ConversionOCF / Net Profit
1.42×
0.43×
TTM Free Cash FlowTrailing 4 quarters
$304.4M
$106.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
QLYS
QLYS
QNST
QNST
Q4 25
$75.7M
$21.6M
Q3 25
$90.4M
$19.6M
Q2 25
$33.8M
Q1 25
$109.6M
$30.1M
Q4 24
$47.7M
$38.7M
Q3 24
$61.0M
$-13.7M
Q2 24
$49.8M
$16.6M
Q1 24
$85.5M
$4.1M
Free Cash Flow
QLYS
QLYS
QNST
QNST
Q4 25
$74.9M
$20.7M
Q3 25
$89.5M
$18.4M
Q2 25
$32.4M
Q1 25
$107.5M
$29.5M
Q4 24
$41.9M
$38.2M
Q3 24
$57.6M
$-14.1M
Q2 24
$48.8M
$15.4M
Q1 24
$83.5M
$2.9M
FCF Margin
QLYS
QLYS
QNST
QNST
Q4 25
42.8%
7.2%
Q3 25
52.7%
6.4%
Q2 25
19.8%
Q1 25
67.3%
10.9%
Q4 24
26.3%
13.5%
Q3 24
37.4%
-5.1%
Q2 24
32.8%
7.8%
Q1 24
57.2%
1.7%
Capex Intensity
QLYS
QLYS
QNST
QNST
Q4 25
0.4%
0.3%
Q3 25
0.5%
0.4%
Q2 25
0.8%
Q1 25
1.3%
0.2%
Q4 24
3.7%
0.2%
Q3 24
2.2%
0.2%
Q2 24
0.7%
0.6%
Q1 24
1.4%
0.7%
Cash Conversion
QLYS
QLYS
QNST
QNST
Q4 25
1.42×
0.43×
Q3 25
1.80×
4.32×
Q2 25
0.71×
Q1 25
2.31×
6.82×
Q4 24
1.09×
Q3 24
1.32×
Q2 24
1.14×
Q1 24
2.15×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

QLYS
QLYS

Sales Channel Through Intermediary$88.6M51%
Sales Channel Directly To Consumer$86.7M49%

QNST
QNST

Financial Service$216.8M75%
Home Services And Other Revenue$71.0M25%

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