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Side-by-side financial comparison of CALIX, INC (CALX) and WILLIS LEASE FINANCE CORP (WLFC). Click either name above to swap in a different company.

CALIX, INC is the larger business by last-quarter revenue ($280.0M vs $193.6M, roughly 1.4× WILLIS LEASE FINANCE CORP). On growth, CALIX, INC posted the faster year-over-year revenue change (27.1% vs 26.7%). WILLIS LEASE FINANCE CORP produced more free cash flow last quarter ($66.2M vs $6.5M). Over the past eight quarters, WILLIS LEASE FINANCE CORP's revenue compounded faster (27.5% CAGR vs 18.9%).

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.

Willis Lease Finance Corp is a leading global independent provider of commercial aviation asset solutions. It primarily leases and sells commercial aircraft engines, auxiliary power units and other aviation spare parts, serving airline operators, MRO providers and other aviation industry participants across major global markets.

CALX vs WLFC — Head-to-Head

Bigger by revenue
CALX
CALX
1.4× larger
CALX
$280.0M
$193.6M
WLFC
Growing faster (revenue YoY)
CALX
CALX
+0.4% gap
CALX
27.1%
26.7%
WLFC
More free cash flow
WLFC
WLFC
$59.7M more FCF
WLFC
$66.2M
$6.5M
CALX
Faster 2-yr revenue CAGR
WLFC
WLFC
Annualised
WLFC
27.5%
18.9%
CALX

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
CALX
CALX
WLFC
WLFC
Revenue
$280.0M
$193.6M
Net Profit
$11.2M
Gross Margin
56.9%
Operating Margin
47.6%
7.3%
Net Margin
4.0%
Revenue YoY
27.1%
26.7%
Net Profit YoY
EPS (diluted)
$0.16
$1.50

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
CALX
CALX
WLFC
WLFC
Q1 26
$280.0M
Q4 25
$272.4M
$193.6M
Q3 25
$265.4M
$183.4M
Q2 25
$241.9M
$195.5M
Q1 25
$220.2M
$157.7M
Q4 24
$206.1M
$152.8M
Q3 24
$200.9M
$146.2M
Q2 24
$198.1M
$151.1M
Net Profit
CALX
CALX
WLFC
WLFC
Q1 26
$11.2M
Q4 25
$7.2M
Q3 25
$15.7M
$24.3M
Q2 25
$-199.0K
$60.4M
Q1 25
$-4.8M
$16.9M
Q4 24
$-17.9M
Q3 24
$-4.0M
$24.1M
Q2 24
$-8.0M
$42.6M
Gross Margin
CALX
CALX
WLFC
WLFC
Q1 26
56.9%
Q4 25
57.7%
Q3 25
57.3%
Q2 25
56.3%
Q1 25
55.7%
Q4 24
55.0%
Q3 24
54.8%
Q2 24
54.3%
Operating Margin
CALX
CALX
WLFC
WLFC
Q1 26
47.6%
Q4 25
3.4%
7.3%
Q3 25
6.6%
20.7%
Q2 25
0.2%
14.5%
Q1 25
-2.8%
15.2%
Q4 24
-9.1%
19.2%
Q3 24
-5.4%
23.0%
Q2 24
-5.7%
35.8%
Net Margin
CALX
CALX
WLFC
WLFC
Q1 26
4.0%
Q4 25
2.6%
Q3 25
5.9%
13.3%
Q2 25
-0.1%
30.9%
Q1 25
-2.2%
10.7%
Q4 24
-8.7%
Q3 24
-2.0%
16.5%
Q2 24
-4.0%
28.2%
EPS (diluted)
CALX
CALX
WLFC
WLFC
Q1 26
$0.16
Q4 25
$0.11
$1.50
Q3 25
$0.22
$3.25
Q2 25
$0.00
$8.43
Q1 25
$-0.07
$2.21
Q4 24
$-0.27
$2.76
Q3 24
$-0.06
$3.37
Q2 24
$-0.12
$6.21

Balance Sheet & Financial Strength

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

Metric
CALX
CALX
WLFC
WLFC
Cash + ST InvestmentsLiquidity on hand
$54.6M
$16.4M
Total DebtLower is stronger
$2.7B
Stockholders' EquityBook value
$738.0M
$662.1M
Total Assets
$3.9B
Debt / EquityLower = less leverage
4.08×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CALX
CALX
WLFC
WLFC
Q1 26
$54.6M
Q4 25
$143.1M
$16.4M
Q3 25
$95.0M
$12.9M
Q2 25
$76.5M
$37.3M
Q1 25
$42.3M
$32.4M
Q4 24
$43.2M
$9.1M
Q3 24
$62.4M
$5.8M
Q2 24
$84.5M
$5.0M
Total Debt
CALX
CALX
WLFC
WLFC
Q1 26
Q4 25
$2.7B
Q3 25
$2.2B
Q2 25
$2.8B
Q1 25
$2.2B
Q4 24
$2.3B
Q3 24
$2.0B
Q2 24
$1.9B
Stockholders' Equity
CALX
CALX
WLFC
WLFC
Q1 26
$738.0M
Q4 25
$859.2M
$662.1M
Q3 25
$822.5M
$650.2M
Q2 25
$772.7M
$617.9M
Q1 25
$767.2M
$565.5M
Q4 24
$780.9M
$549.3M
Q3 24
$778.7M
$517.8M
Q2 24
$754.2M
$492.4M
Total Assets
CALX
CALX
WLFC
WLFC
Q1 26
Q4 25
$1.1B
$3.9B
Q3 25
$976.4M
$3.4B
Q2 25
$921.4M
$3.9B
Q1 25
$917.1M
$3.3B
Q4 24
$939.3M
$3.3B
Q3 24
$937.5M
$3.0B
Q2 24
$917.9M
$2.9B
Debt / Equity
CALX
CALX
WLFC
WLFC
Q1 26
Q4 25
4.08×
Q3 25
3.44×
Q2 25
4.53×
Q1 25
3.95×
Q4 24
4.12×
Q3 24
3.84×
Q2 24
3.95×

Cash Flow & Capital Efficiency

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

Metric
CALX
CALX
WLFC
WLFC
Operating Cash FlowLast quarter
$14.6M
$74.2M
Free Cash FlowOCF − Capex
$6.5M
$66.2M
FCF MarginFCF / Revenue
2.3%
34.2%
Capex IntensityCapex / Revenue
4.1%
Cash ConversionOCF / Net Profit
1.31×
TTM Free Cash FlowTrailing 4 quarters
$109.1M
$252.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CALX
CALX
WLFC
WLFC
Q1 26
$14.6M
Q4 25
$46.0M
$74.2M
Q3 25
$32.3M
$63.9M
Q2 25
$39.4M
$104.2M
Q1 25
$17.2M
$41.0M
Q4 24
$15.4M
$68.0M
Q3 24
$16.0M
$86.8M
Q2 24
$22.3M
$69.8M
Free Cash Flow
CALX
CALX
WLFC
WLFC
Q1 26
$6.5M
Q4 25
$40.3M
$66.2M
Q3 25
$26.7M
$57.8M
Q2 25
$35.6M
$94.5M
Q1 25
$12.9M
$33.5M
Q4 24
$10.2M
$55.1M
Q3 24
$12.8M
$85.7M
Q2 24
$16.4M
$68.5M
FCF Margin
CALX
CALX
WLFC
WLFC
Q1 26
2.3%
Q4 25
14.8%
34.2%
Q3 25
10.1%
31.5%
Q2 25
14.7%
48.4%
Q1 25
5.9%
21.3%
Q4 24
5.0%
36.1%
Q3 24
6.3%
58.6%
Q2 24
8.3%
45.3%
Capex Intensity
CALX
CALX
WLFC
WLFC
Q1 26
Q4 25
2.1%
4.1%
Q3 25
2.1%
3.3%
Q2 25
1.5%
4.9%
Q1 25
2.0%
4.7%
Q4 24
2.5%
8.4%
Q3 24
1.6%
0.7%
Q2 24
3.0%
0.9%
Cash Conversion
CALX
CALX
WLFC
WLFC
Q1 26
1.31×
Q4 25
6.38×
Q3 25
2.06×
2.63×
Q2 25
1.73×
Q1 25
2.43×
Q4 24
Q3 24
3.60×
Q2 24
1.64×

Financial Flow Comparison

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

Revenue Breakdown by Segment

CALX
CALX

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

WLFC
WLFC

Segment breakdown not available.

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