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Side-by-side financial comparison of CALIX, INC (CALX) and H2O AMERICA (HTO). Click either name above to swap in a different company.

CALIX, INC is the larger business by last-quarter revenue ($280.0M vs $199.4M, roughly 1.4× H2O AMERICA). H2O AMERICA runs the higher net margin — 8.1% vs 4.0%, a 4.1% gap on every dollar of revenue. On growth, CALIX, INC posted the faster year-over-year revenue change (27.1% vs 1.5%). Over the past eight quarters, CALIX, INC's revenue compounded faster (18.9% CAGR vs 15.3%).

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.

H2O Wireless is a United States-based prepaid cell phone service, that utilizes the AT&T network. It is a brand of the mobile virtual network operator (MVNO) Locus Telecommunications, a subsidiary of Telrite Holdings, Inc., since 2019. Locus was formerly a subsidiary of KDDI America corporation, starting in 2010. H2O Wireless is primarily advertised as a non-restrictive phone service for customers to bring or buy unlocked smartphones, although AT&T contract/locked phones may be accepted as well.

CALX vs HTO — Head-to-Head

Bigger by revenue
CALX
CALX
1.4× larger
CALX
$280.0M
$199.4M
HTO
Growing faster (revenue YoY)
CALX
CALX
+25.7% gap
CALX
27.1%
1.5%
HTO
Higher net margin
HTO
HTO
4.1% more per $
HTO
8.1%
4.0%
CALX
Faster 2-yr revenue CAGR
CALX
CALX
Annualised
CALX
18.9%
15.3%
HTO

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
CALX
CALX
HTO
HTO
Revenue
$280.0M
$199.4M
Net Profit
$11.2M
$16.2M
Gross Margin
56.9%
Operating Margin
47.6%
16.6%
Net Margin
4.0%
8.1%
Revenue YoY
27.1%
1.5%
Net Profit YoY
-29.2%
EPS (diluted)
$0.16
$0.45

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
HTO
HTO
Q1 26
$280.0M
Q4 25
$272.4M
$199.4M
Q3 25
$265.4M
$243.5M
Q2 25
$241.9M
$197.8M
Q1 25
$220.2M
$164.9M
Q4 24
$206.1M
$196.5M
Q3 24
$200.9M
$216.7M
Q2 24
$198.1M
$173.1M
Net Profit
CALX
CALX
HTO
HTO
Q1 26
$11.2M
Q4 25
$7.2M
$16.2M
Q3 25
$15.7M
$45.1M
Q2 25
$-199.0K
$24.7M
Q1 25
$-4.8M
$16.6M
Q4 24
$-17.9M
$22.9M
Q3 24
$-4.0M
$38.7M
Q2 24
$-8.0M
$20.7M
Gross Margin
CALX
CALX
HTO
HTO
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
HTO
HTO
Q1 26
47.6%
Q4 25
3.4%
16.6%
Q3 25
6.6%
26.5%
Q2 25
0.2%
22.2%
Q1 25
-2.8%
21.8%
Q4 24
-9.1%
22.2%
Q3 24
-5.4%
26.9%
Q2 24
-5.7%
23.4%
Net Margin
CALX
CALX
HTO
HTO
Q1 26
4.0%
Q4 25
2.6%
8.1%
Q3 25
5.9%
18.5%
Q2 25
-0.1%
12.5%
Q1 25
-2.2%
10.0%
Q4 24
-8.7%
11.7%
Q3 24
-2.0%
17.8%
Q2 24
-4.0%
12.0%
EPS (diluted)
CALX
CALX
HTO
HTO
Q1 26
$0.16
Q4 25
$0.11
$0.45
Q3 25
$0.22
$1.27
Q2 25
$0.00
$0.71
Q1 25
$-0.07
$0.49
Q4 24
$-0.27
$0.70
Q3 24
$-0.06
$1.17
Q2 24
$-0.12
$0.64

Balance Sheet & Financial Strength

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

Metric
CALX
CALX
HTO
HTO
Cash + ST InvestmentsLiquidity on hand
$54.6M
$20.7M
Total DebtLower is stronger
$1.9B
Stockholders' EquityBook value
$738.0M
$1.5B
Total Assets
$5.1B
Debt / EquityLower = less leverage
1.23×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CALX
CALX
HTO
HTO
Q1 26
$54.6M
Q4 25
$143.1M
$20.7M
Q3 25
$95.0M
$11.3M
Q2 25
$76.5M
$19.8M
Q1 25
$42.3M
$23.7M
Q4 24
$43.2M
$11.1M
Q3 24
$62.4M
$4.0M
Q2 24
$84.5M
$22.8M
Total Debt
CALX
CALX
HTO
HTO
Q1 26
Q4 25
$1.9B
Q3 25
Q2 25
Q1 25
Q4 24
$1.7B
Q3 24
Q2 24
Stockholders' Equity
CALX
CALX
HTO
HTO
Q1 26
$738.0M
Q4 25
$859.2M
$1.5B
Q3 25
$822.5M
$1.5B
Q2 25
$772.7M
$1.5B
Q1 25
$767.2M
$1.4B
Q4 24
$780.9M
$1.4B
Q3 24
$778.7M
$1.3B
Q2 24
$754.2M
$1.3B
Total Assets
CALX
CALX
HTO
HTO
Q1 26
Q4 25
$1.1B
$5.1B
Q3 25
$976.4M
$5.0B
Q2 25
$921.4M
$4.8B
Q1 25
$917.1M
$4.7B
Q4 24
$939.3M
$4.7B
Q3 24
$937.5M
$4.6B
Q2 24
$917.9M
$4.4B
Debt / Equity
CALX
CALX
HTO
HTO
Q1 26
Q4 25
1.23×
Q3 25
Q2 25
Q1 25
Q4 24
1.26×
Q3 24
Q2 24

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
HTO
HTO
Operating Cash FlowLast quarter
$14.6M
$63.5M
Free Cash FlowOCF − Capex
$6.5M
FCF MarginFCF / Revenue
2.3%
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
1.31×
3.92×
TTM Free Cash FlowTrailing 4 quarters
$109.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CALX
CALX
HTO
HTO
Q1 26
$14.6M
Q4 25
$46.0M
$63.5M
Q3 25
$32.3M
$77.3M
Q2 25
$39.4M
$60.8M
Q1 25
$17.2M
$43.2M
Q4 24
$15.4M
$41.5M
Q3 24
$16.0M
$53.5M
Q2 24
$22.3M
$49.3M
Free Cash Flow
CALX
CALX
HTO
HTO
Q1 26
$6.5M
Q4 25
$40.3M
Q3 25
$26.7M
Q2 25
$35.6M
Q1 25
$12.9M
Q4 24
$10.2M
Q3 24
$12.8M
Q2 24
$16.4M
FCF Margin
CALX
CALX
HTO
HTO
Q1 26
2.3%
Q4 25
14.8%
Q3 25
10.1%
Q2 25
14.7%
Q1 25
5.9%
Q4 24
5.0%
Q3 24
6.3%
Q2 24
8.3%
Capex Intensity
CALX
CALX
HTO
HTO
Q1 26
Q4 25
2.1%
Q3 25
2.1%
Q2 25
1.5%
Q1 25
2.0%
Q4 24
2.5%
Q3 24
1.6%
Q2 24
3.0%
Cash Conversion
CALX
CALX
HTO
HTO
Q1 26
1.31×
Q4 25
6.38×
3.92×
Q3 25
2.06×
1.71×
Q2 25
2.47×
Q1 25
2.61×
Q4 24
1.81×
Q3 24
1.39×
Q2 24
2.38×

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%

HTO
HTO

Water Utility Services$191.0M96%
Other$8.4M4%

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