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Side-by-side financial comparison of CALIX, INC (CALX) and PREFORMED LINE PRODUCTS CO (PLPC). Click either name above to swap in a different company.

CALIX, INC is the larger business by last-quarter revenue ($280.0M vs $173.1M, roughly 1.6× PREFORMED LINE PRODUCTS CO). PREFORMED LINE PRODUCTS CO runs the higher net margin — 4.9% vs 4.0%, a 0.9% gap on every dollar of revenue. On growth, CALIX, INC posted the faster year-over-year revenue change (27.1% vs 3.6%). PREFORMED LINE PRODUCTS CO produced more free cash flow last quarter ($11.8M vs $6.5M). Over the past eight quarters, CALIX, INC's revenue compounded faster (18.9% CAGR vs 10.8%).

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.

Preformed Line Products Co (PLPC) designs, manufactures and supplies engineered hardware for power transmission, telecommunications, and renewable energy infrastructure sectors. It serves utility, network operator and industrial customers across global regions, offering solutions that boost network reliability and operational efficiency.

CALX vs PLPC — Head-to-Head

Bigger by revenue
CALX
CALX
1.6× larger
CALX
$280.0M
$173.1M
PLPC
Growing faster (revenue YoY)
CALX
CALX
+23.5% gap
CALX
27.1%
3.6%
PLPC
Higher net margin
PLPC
PLPC
0.9% more per $
PLPC
4.9%
4.0%
CALX
More free cash flow
PLPC
PLPC
$5.3M more FCF
PLPC
$11.8M
$6.5M
CALX
Faster 2-yr revenue CAGR
CALX
CALX
Annualised
CALX
18.9%
10.8%
PLPC

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
CALX
CALX
PLPC
PLPC
Revenue
$280.0M
$173.1M
Net Profit
$11.2M
$8.4M
Gross Margin
56.9%
29.8%
Operating Margin
47.6%
6.8%
Net Margin
4.0%
4.9%
Revenue YoY
27.1%
3.6%
Net Profit YoY
-19.3%
EPS (diluted)
$0.16
$1.72

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
PLPC
PLPC
Q1 26
$280.0M
Q4 25
$272.4M
$173.1M
Q3 25
$265.4M
$178.1M
Q2 25
$241.9M
$169.6M
Q1 25
$220.2M
$148.5M
Q4 24
$206.1M
$167.1M
Q3 24
$200.9M
$147.0M
Q2 24
$198.1M
$138.7M
Net Profit
CALX
CALX
PLPC
PLPC
Q1 26
$11.2M
Q4 25
$7.2M
$8.4M
Q3 25
$15.7M
$2.6M
Q2 25
$-199.0K
$12.7M
Q1 25
$-4.8M
$11.5M
Q4 24
$-17.9M
$10.5M
Q3 24
$-4.0M
$7.7M
Q2 24
$-8.0M
$9.4M
Gross Margin
CALX
CALX
PLPC
PLPC
Q1 26
56.9%
Q4 25
57.7%
29.8%
Q3 25
57.3%
29.7%
Q2 25
56.3%
32.7%
Q1 25
55.7%
32.8%
Q4 24
55.0%
33.3%
Q3 24
54.8%
31.1%
Q2 24
54.3%
31.9%
Operating Margin
CALX
CALX
PLPC
PLPC
Q1 26
47.6%
Q4 25
3.4%
6.8%
Q3 25
6.6%
7.4%
Q2 25
0.2%
10.1%
Q1 25
-2.8%
8.8%
Q4 24
-9.1%
10.5%
Q3 24
-5.4%
7.1%
Q2 24
-5.7%
8.1%
Net Margin
CALX
CALX
PLPC
PLPC
Q1 26
4.0%
Q4 25
2.6%
4.9%
Q3 25
5.9%
1.5%
Q2 25
-0.1%
7.5%
Q1 25
-2.2%
7.8%
Q4 24
-8.7%
6.3%
Q3 24
-2.0%
5.2%
Q2 24
-4.0%
6.8%
EPS (diluted)
CALX
CALX
PLPC
PLPC
Q1 26
$0.16
Q4 25
$0.11
$1.72
Q3 25
$0.22
$0.53
Q2 25
$0.00
$2.56
Q1 25
$-0.07
$2.33
Q4 24
$-0.27
$2.13
Q3 24
$-0.06
$1.54
Q2 24
$-0.12
$1.89

Balance Sheet & Financial Strength

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

Metric
CALX
CALX
PLPC
PLPC
Cash + ST InvestmentsLiquidity on hand
$54.6M
Total DebtLower is stronger
$38.3M
Stockholders' EquityBook value
$738.0M
$475.5M
Total Assets
$653.6M
Debt / EquityLower = less leverage
0.08×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CALX
CALX
PLPC
PLPC
Q1 26
$54.6M
Q4 25
$143.1M
Q3 25
$95.0M
Q2 25
$76.5M
Q1 25
$42.3M
Q4 24
$43.2M
Q3 24
$62.4M
Q2 24
$84.5M
Total Debt
CALX
CALX
PLPC
PLPC
Q1 26
Q4 25
$38.3M
Q3 25
$36.0M
Q2 25
$31.8M
Q1 25
$29.1M
Q4 24
$20.8M
Q3 24
$27.2M
Q2 24
$31.6M
Stockholders' Equity
CALX
CALX
PLPC
PLPC
Q1 26
$738.0M
Q4 25
$859.2M
$475.5M
Q3 25
$822.5M
$466.3M
Q2 25
$772.7M
$460.7M
Q1 25
$767.2M
$435.8M
Q4 24
$780.9M
$422.3M
Q3 24
$778.7M
$429.0M
Q2 24
$754.2M
$416.2M
Total Assets
CALX
CALX
PLPC
PLPC
Q1 26
Q4 25
$1.1B
$653.6M
Q3 25
$976.4M
$644.6M
Q2 25
$921.4M
$631.5M
Q1 25
$917.1M
$592.5M
Q4 24
$939.3M
$573.9M
Q3 24
$937.5M
$592.0M
Q2 24
$917.9M
$572.6M
Debt / Equity
CALX
CALX
PLPC
PLPC
Q1 26
Q4 25
0.08×
Q3 25
0.08×
Q2 25
0.07×
Q1 25
0.07×
Q4 24
0.05×
Q3 24
0.06×
Q2 24
0.08×

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
PLPC
PLPC
Operating Cash FlowLast quarter
$14.6M
$21.9M
Free Cash FlowOCF − Capex
$6.5M
$11.8M
FCF MarginFCF / Revenue
2.3%
6.8%
Capex IntensityCapex / Revenue
5.9%
Cash ConversionOCF / Net Profit
1.31×
2.60×
TTM Free Cash FlowTrailing 4 quarters
$109.1M
$33.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CALX
CALX
PLPC
PLPC
Q1 26
$14.6M
Q4 25
$46.0M
$21.9M
Q3 25
$32.3M
$18.9M
Q2 25
$39.4M
$26.9M
Q1 25
$17.2M
$5.7M
Q4 24
$15.4M
$24.1M
Q3 24
$16.0M
$9.4M
Q2 24
$22.3M
$28.3M
Free Cash Flow
CALX
CALX
PLPC
PLPC
Q1 26
$6.5M
Q4 25
$40.3M
$11.8M
Q3 25
$26.7M
$8.3M
Q2 25
$35.6M
$18.6M
Q1 25
$12.9M
$-5.3M
Q4 24
$10.2M
$20.6M
Q3 24
$12.8M
$5.8M
Q2 24
$16.4M
$24.6M
FCF Margin
CALX
CALX
PLPC
PLPC
Q1 26
2.3%
Q4 25
14.8%
6.8%
Q3 25
10.1%
4.7%
Q2 25
14.7%
10.9%
Q1 25
5.9%
-3.6%
Q4 24
5.0%
12.3%
Q3 24
6.3%
3.9%
Q2 24
8.3%
17.7%
Capex Intensity
CALX
CALX
PLPC
PLPC
Q1 26
Q4 25
2.1%
5.9%
Q3 25
2.1%
6.0%
Q2 25
1.5%
4.9%
Q1 25
2.0%
7.4%
Q4 24
2.5%
2.1%
Q3 24
1.6%
2.4%
Q2 24
3.0%
2.7%
Cash Conversion
CALX
CALX
PLPC
PLPC
Q1 26
1.31×
Q4 25
6.38×
2.60×
Q3 25
2.06×
7.21×
Q2 25
2.12×
Q1 25
0.49×
Q4 24
2.30×
Q3 24
1.22×
Q2 24
3.02×

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%

PLPC
PLPC

Segment breakdown not available.

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