Calix (CALX) reported R&D of $54.65M in Q1 2026.

How has Calix's R&D changed year-over-year?

Calix's R&D increased by 24.3% year-over-year, from $43.98M to $54.65M.

What is the long-term trend for Calix's R&D?

Over 4 years (2021 to 2025), Calix's R&D has grown at a 17.0% compound annual growth rate (CAGR), from $101.75M to $190.36M.

Costs of research activities to discover new knowledge and development activities to translate research into new or improved products, services, processes, or technologies.

Calix CALX R&D

R&D at other companies

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$237.91M+10.7%

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$51.81M+17.1%

Motorola Solutions, Inc.MSI

$252M+8.2%

CelesticaCLS

$41.2M+134%

Extreme NetworksEXTR

$59.18M+6.3%

RingCentralRNG

$81.71M-0.3%

Other financials

Income statement

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Revenue$280.0M+27.1%

Gross profit$159.3M+29.8%

Operating income$12.7M+309%

Net income$11.2M+334%

EPS (diluted)$0.16+329%

Balance sheet

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Cash & equivalents$54.6M+29.1%

Total debt$14.7M+109%

Total equity$738.0M-3.8%

Total assets$951.4M+3.7%

Cash flow

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Operating cash flow$14.6M-15.0%

CapEx$8.1M+88.4%

Free cash flow$6.5M-49.5%

Valuation

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Market cap$2.32B+34.0%

Enterprise value$2.28B+34.3%

P/E68.5×—

P/S2.2×+0.1×

Profitability

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Gross margin57.1%+2.1pp

Operating margin3.8%+2.3pp

Net margin3.2%+2.0pp

FCF margin10.3%+4.0pp

Returns & leverage

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Return on equity4.5%+3.0pp

Debt / equity0×0.0×

Current ratio3.3×-1.3×

Where this comes from

Reported directly by Calix in its filing.

Tagged under the XBRL concept us-gaap:ResearchAndDevelopmentExpense.

The official record: Calix’s 10-Q, filed April 22, 2026, on SEC EDGAR. View the filing →

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Questions, answered.

What is Calix's R&D?: Calix (CALX) reported R&D of $54.65M in Q1 2026.
How has Calix's R&D changed year-over-year?: Calix's R&D increased by 24.3% year-over-year, from $43.98M to $54.65M.
What is the long-term trend for Calix's R&D?: Over 4 years (2021 to 2025), Calix's R&D has grown at a 17.0% compound annual growth rate (CAGR), from $101.75M to $190.36M.
What does R&D mean?: Costs of research activities to discover new knowledge and development activities to translate research into new or improved products, services, processes, or technologies.