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

CALIX, INC is the larger business by last-quarter revenue ($280.0M vs $251.2M, roughly 1.1× POWELL INDUSTRIES INC). POWELL INDUSTRIES INC runs the higher net margin — 16.5% vs 4.0%, a 12.5% gap on every dollar of revenue. On growth, CALIX, INC posted the faster year-over-year revenue change (27.1% vs 4.0%). POWELL INDUSTRIES INC produced more free cash flow last quarter ($41.6M vs $6.5M). Over the past eight quarters, CALIX, INC's revenue compounded faster (18.9% CAGR vs -0.8%).

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.

Powell Industries, Inc. is a manufacturer of Integrated/Packaged Solutions and Electrical Equipment to monitor and control the distribution of electrical power in commercial and industrial markets founded in 1947. Its headquarters is in Houston, Texas.

CALX vs POWL — Head-to-Head

Bigger by revenue
CALX
CALX
1.1× larger
CALX
$280.0M
$251.2M
POWL
Growing faster (revenue YoY)
CALX
CALX
+23.1% gap
CALX
27.1%
4.0%
POWL
Higher net margin
POWL
POWL
12.5% more per $
POWL
16.5%
4.0%
CALX
More free cash flow
POWL
POWL
$35.1M more FCF
POWL
$41.6M
$6.5M
CALX
Faster 2-yr revenue CAGR
CALX
CALX
Annualised
CALX
18.9%
-0.8%
POWL

Income Statement — Q1 FY2026 vs Q1 FY2026

Metric
CALX
CALX
POWL
POWL
Revenue
$280.0M
$251.2M
Net Profit
$11.2M
$41.4M
Gross Margin
56.9%
28.4%
Operating Margin
47.6%
17.0%
Net Margin
4.0%
16.5%
Revenue YoY
27.1%
4.0%
Net Profit YoY
19.1%
EPS (diluted)
$0.16
$3.40

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
POWL
POWL
Q1 26
$280.0M
Q4 25
$272.4M
$251.2M
Q3 25
$265.4M
$298.0M
Q2 25
$241.9M
$286.3M
Q1 25
$220.2M
$278.6M
Q4 24
$206.1M
$241.4M
Q3 24
$200.9M
$275.1M
Q2 24
$198.1M
$288.2M
Net Profit
CALX
CALX
POWL
POWL
Q1 26
$11.2M
Q4 25
$7.2M
$41.4M
Q3 25
$15.7M
$51.4M
Q2 25
$-199.0K
$48.2M
Q1 25
$-4.8M
$46.3M
Q4 24
$-17.9M
$34.8M
Q3 24
$-4.0M
$46.1M
Q2 24
$-8.0M
$46.2M
Gross Margin
CALX
CALX
POWL
POWL
Q1 26
56.9%
Q4 25
57.7%
28.4%
Q3 25
57.3%
31.4%
Q2 25
56.3%
30.7%
Q1 25
55.7%
29.9%
Q4 24
55.0%
24.7%
Q3 24
54.8%
29.2%
Q2 24
54.3%
28.4%
Operating Margin
CALX
CALX
POWL
POWL
Q1 26
47.6%
Q4 25
3.4%
17.0%
Q3 25
6.6%
21.2%
Q2 25
0.2%
21.0%
Q1 25
-2.8%
21.1%
Q4 24
-9.1%
14.7%
Q3 24
-5.4%
20.4%
Q2 24
-5.7%
19.9%
Net Margin
CALX
CALX
POWL
POWL
Q1 26
4.0%
Q4 25
2.6%
16.5%
Q3 25
5.9%
17.3%
Q2 25
-0.1%
16.8%
Q1 25
-2.2%
16.6%
Q4 24
-8.7%
14.4%
Q3 24
-2.0%
16.7%
Q2 24
-4.0%
16.0%
EPS (diluted)
CALX
CALX
POWL
POWL
Q1 26
$0.16
Q4 25
$0.11
$3.40
Q3 25
$0.22
$4.23
Q2 25
$0.00
$3.96
Q1 25
$-0.07
$3.81
Q4 24
$-0.27
$2.86
Q3 24
$-0.06
$3.77
Q2 24
$-0.12
$3.79

Balance Sheet & Financial Strength

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

Metric
CALX
CALX
POWL
POWL
Cash + ST InvestmentsLiquidity on hand
$54.6M
$500.8M
Total DebtLower is stronger
Stockholders' EquityBook value
$738.0M
$668.9M
Total Assets
$1.1B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CALX
CALX
POWL
POWL
Q1 26
$54.6M
Q4 25
$143.1M
$500.8M
Q3 25
$95.0M
$475.5M
Q2 25
$76.5M
$433.0M
Q1 25
$42.3M
$389.3M
Q4 24
$43.2M
$373.4M
Q3 24
$62.4M
$358.4M
Q2 24
$84.5M
$374.0M
Stockholders' Equity
CALX
CALX
POWL
POWL
Q1 26
$738.0M
Q4 25
$859.2M
$668.9M
Q3 25
$822.5M
$640.8M
Q2 25
$772.7M
$594.9M
Q1 25
$767.2M
$541.4M
Q4 24
$780.9M
$496.3M
Q3 24
$778.7M
$483.1M
Q2 24
$754.2M
$436.7M
Total Assets
CALX
CALX
POWL
POWL
Q1 26
Q4 25
$1.1B
$1.1B
Q3 25
$976.4M
$1.1B
Q2 25
$921.4M
$1.0B
Q1 25
$917.1M
$965.4M
Q4 24
$939.3M
$912.7M
Q3 24
$937.5M
$928.2M
Q2 24
$917.9M
$869.0M

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
POWL
POWL
Operating Cash FlowLast quarter
$14.6M
$43.6M
Free Cash FlowOCF − Capex
$6.5M
$41.6M
FCF MarginFCF / Revenue
2.3%
16.6%
Capex IntensityCapex / Revenue
0.8%
Cash ConversionOCF / Net Profit
1.31×
1.05×
TTM Free Cash FlowTrailing 4 quarters
$109.1M
$161.5M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CALX
CALX
POWL
POWL
Q1 26
$14.6M
Q4 25
$46.0M
$43.6M
Q3 25
$32.3M
$61.1M
Q2 25
$39.4M
$47.4M
Q1 25
$17.2M
$22.4M
Q4 24
$15.4M
$37.1M
Q3 24
$16.0M
$-6.0M
Q2 24
$22.3M
$13.8M
Free Cash Flow
CALX
CALX
POWL
POWL
Q1 26
$6.5M
Q4 25
$40.3M
$41.6M
Q3 25
$26.7M
$59.3M
Q2 25
$35.6M
$42.3M
Q1 25
$12.9M
$18.3M
Q4 24
$10.2M
$34.9M
Q3 24
$12.8M
$-14.4M
Q2 24
$16.4M
$12.4M
FCF Margin
CALX
CALX
POWL
POWL
Q1 26
2.3%
Q4 25
14.8%
16.6%
Q3 25
10.1%
19.9%
Q2 25
14.7%
14.8%
Q1 25
5.9%
6.6%
Q4 24
5.0%
14.4%
Q3 24
6.3%
-5.3%
Q2 24
8.3%
4.3%
Capex Intensity
CALX
CALX
POWL
POWL
Q1 26
Q4 25
2.1%
0.8%
Q3 25
2.1%
0.6%
Q2 25
1.5%
1.8%
Q1 25
2.0%
1.5%
Q4 24
2.5%
0.9%
Q3 24
1.6%
3.1%
Q2 24
3.0%
0.5%
Cash Conversion
CALX
CALX
POWL
POWL
Q1 26
1.31×
Q4 25
6.38×
1.05×
Q3 25
2.06×
1.19×
Q2 25
0.98×
Q1 25
0.48×
Q4 24
1.07×
Q3 24
-0.13×
Q2 24
0.30×

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%

POWL
POWL

Oil And Gas Service$97.9M39%
Electricity$69.3M28%
Commercial And Other Industrial$40.6M16%
Petrochemical$22.8M9%
Other Customers$12.0M5%
Light Rail Traction Power Customer$8.6M3%

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