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Side-by-side financial comparison of BLACKLINE, INC. (BL) and CALIX, INC (CALX). Click either name above to swap in a different company.

CALIX, INC is the larger business by last-quarter revenue ($280.0M vs $183.2M, roughly 1.5× BLACKLINE, INC.). CALIX, INC runs the higher net margin — 4.0% vs 2.7%, a 1.3% gap on every dollar of revenue. On growth, CALIX, INC posted the faster year-over-year revenue change (27.1% vs 8.1%). BLACKLINE, INC. produced more free cash flow last quarter ($26.1M vs $6.5M). Over the past eight quarters, CALIX, INC's revenue compounded faster (18.9% CAGR vs 7.9%).

BlackLine Systems, Inc., is an American enterprise software company that develops cloud-based services designed to automate and manage the entire financial close process as well as consolidation, invoice-to-cash, and intercompany accounting. The Los Angeles–based company has 17 offices worldwide.

Calix, Inc. is a telecommunications company that specializes in providing software platforms, systems, and services to support the delivery of broadband services. The company was founded in 1999 and is headquartered in San Jose, California.

BL vs CALX — Head-to-Head

Bigger by revenue
CALX
CALX
1.5× larger
CALX
$280.0M
$183.2M
BL
Growing faster (revenue YoY)
CALX
CALX
+19.0% gap
CALX
27.1%
8.1%
BL
Higher net margin
CALX
CALX
1.3% more per $
CALX
4.0%
2.7%
BL
More free cash flow
BL
BL
$19.5M more FCF
BL
$26.1M
$6.5M
CALX
Faster 2-yr revenue CAGR
CALX
CALX
Annualised
CALX
18.9%
7.9%
BL

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
BL
BL
CALX
CALX
Revenue
$183.2M
$280.0M
Net Profit
$4.9M
$11.2M
Gross Margin
75.2%
56.9%
Operating Margin
3.7%
47.6%
Net Margin
2.7%
4.0%
Revenue YoY
8.1%
27.1%
Net Profit YoY
-91.3%
EPS (diluted)
$0.07
$0.16

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
BL
BL
CALX
CALX
Q1 26
$280.0M
Q4 25
$183.2M
$272.4M
Q3 25
$178.3M
$265.4M
Q2 25
$172.0M
$241.9M
Q1 25
$166.9M
$220.2M
Q4 24
$169.5M
$206.1M
Q3 24
$165.9M
$200.9M
Q2 24
$160.5M
$198.1M
Net Profit
BL
BL
CALX
CALX
Q1 26
$11.2M
Q4 25
$4.9M
$7.2M
Q3 25
$5.3M
$15.7M
Q2 25
$8.3M
$-199.0K
Q1 25
$6.1M
$-4.8M
Q4 24
$56.4M
$-17.9M
Q3 24
$17.2M
$-4.0M
Q2 24
$76.7M
$-8.0M
Gross Margin
BL
BL
CALX
CALX
Q1 26
56.9%
Q4 25
75.2%
57.7%
Q3 25
75.1%
57.3%
Q2 25
75.2%
56.3%
Q1 25
75.5%
55.7%
Q4 24
75.6%
55.0%
Q3 24
75.2%
54.8%
Q2 24
74.9%
54.3%
Operating Margin
BL
BL
CALX
CALX
Q1 26
47.6%
Q4 25
3.7%
3.4%
Q3 25
4.3%
6.6%
Q2 25
4.4%
0.2%
Q1 25
2.1%
-2.8%
Q4 24
3.7%
-9.1%
Q3 24
5.0%
-5.4%
Q2 24
1.4%
-5.7%
Net Margin
BL
BL
CALX
CALX
Q1 26
4.0%
Q4 25
2.7%
2.6%
Q3 25
3.0%
5.9%
Q2 25
4.8%
-0.1%
Q1 25
3.6%
-2.2%
Q4 24
33.3%
-8.7%
Q3 24
10.4%
-2.0%
Q2 24
47.8%
-4.0%
EPS (diluted)
BL
BL
CALX
CALX
Q1 26
$0.16
Q4 25
$0.07
$0.11
Q3 25
$0.09
$0.22
Q2 25
$0.13
$0.00
Q1 25
$0.10
$-0.07
Q4 24
$0.79
$-0.27
Q3 24
$0.27
$-0.06
Q2 24
$0.22
$-0.12

Balance Sheet & Financial Strength

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

Metric
BL
BL
CALX
CALX
Cash + ST InvestmentsLiquidity on hand
$390.0M
$54.6M
Total DebtLower is stronger
Stockholders' EquityBook value
$332.3M
$738.0M
Total Assets
$1.8B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
BL
BL
CALX
CALX
Q1 26
$54.6M
Q4 25
$390.0M
$143.1M
Q3 25
$419.9M
$95.0M
Q2 25
$459.1M
$76.5M
Q1 25
$479.5M
$42.3M
Q4 24
$885.9M
$43.2M
Q3 24
$725.3M
$62.4M
Q2 24
$616.6M
$84.5M
Stockholders' Equity
BL
BL
CALX
CALX
Q1 26
$738.0M
Q4 25
$332.3M
$859.2M
Q3 25
$328.3M
$822.5M
Q2 25
$414.0M
$772.7M
Q1 25
$417.9M
$767.2M
Q4 24
$446.7M
$780.9M
Q3 24
$367.9M
$778.7M
Q2 24
$325.8M
$754.2M
Total Assets
BL
BL
CALX
CALX
Q1 26
Q4 25
$1.8B
$1.1B
Q3 25
$1.7B
$976.4M
Q2 25
$1.8B
$921.4M
Q1 25
$1.8B
$917.1M
Q4 24
$1.8B
$939.3M
Q3 24
$1.7B
$937.5M
Q2 24
$1.9B
$917.9M

Cash Flow & Capital Efficiency

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

Metric
BL
BL
CALX
CALX
Operating Cash FlowLast quarter
$26.7M
$14.6M
Free Cash FlowOCF − Capex
$26.1M
$6.5M
FCF MarginFCF / Revenue
14.2%
2.3%
Capex IntensityCapex / Revenue
0.3%
Cash ConversionOCF / Net Profit
5.46×
1.31×
TTM Free Cash FlowTrailing 4 quarters
$161.5M
$109.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
BL
BL
CALX
CALX
Q1 26
$14.6M
Q4 25
$26.7M
$46.0M
Q3 25
$63.8M
$32.3M
Q2 25
$32.3M
$39.4M
Q1 25
$46.7M
$17.2M
Q4 24
$43.8M
$15.4M
Q3 24
$55.9M
$16.0M
Q2 24
$40.7M
$22.3M
Free Cash Flow
BL
BL
CALX
CALX
Q1 26
$6.5M
Q4 25
$26.1M
$40.3M
Q3 25
$63.3M
$26.7M
Q2 25
$31.4M
$35.6M
Q1 25
$40.8M
$12.9M
Q4 24
$43.0M
$10.2M
Q3 24
$55.5M
$12.8M
Q2 24
$40.0M
$16.4M
FCF Margin
BL
BL
CALX
CALX
Q1 26
2.3%
Q4 25
14.2%
14.8%
Q3 25
35.5%
10.1%
Q2 25
18.2%
14.7%
Q1 25
24.4%
5.9%
Q4 24
25.4%
5.0%
Q3 24
33.5%
6.3%
Q2 24
24.9%
8.3%
Capex Intensity
BL
BL
CALX
CALX
Q1 26
Q4 25
0.3%
2.1%
Q3 25
0.3%
2.1%
Q2 25
0.6%
1.5%
Q1 25
3.6%
2.0%
Q4 24
0.4%
2.5%
Q3 24
0.2%
1.6%
Q2 24
0.4%
3.0%
Cash Conversion
BL
BL
CALX
CALX
Q1 26
1.31×
Q4 25
5.46×
6.38×
Q3 25
12.07×
2.06×
Q2 25
3.90×
Q1 25
7.72×
Q4 24
0.78×
Q3 24
3.24×
Q2 24
0.53×

Financial Flow Comparison

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

Revenue Breakdown by Segment

BL
BL

Subscription And Circulation$173.2M95%
Technology Service$10.0M5%

CALX
CALX

Appliance$232.8M83%
Software and service$47.1M17%

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