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Littelfuse (LFUS) earnings and revenue breakdown

Latest: Q3 2026 · 10-Q filed Oct 28, 2026 · Littelfuse (LFUS) Q3 2026 earnings results →

Q3 2026 Revenue up 23% year over year to $767M · 15¢ of every $1 of revenue kept as net profit · operating margin 20.0%

Littelfuse made $767M in Q3 2026 (+23% Y/Y): Electronics – Passive Products and Sensors $239M, Electronics – Semiconductor $187M, Industrial Products $158M. Operating margin 20.0%, net earnings $115M. See where every dollar goes — costs, profit and cash — as a Sankey from the 10-Q filed Oct 28, 2026.

Revenue$767M

Year over year+23%

Operating margin20.0%

Net earnings$115M

Operating cash flow$230M

Drawing the Sankey…

Open the interactive Sankey → click any line for what the company wrote about it, compare Y/Y and Q/Q, export as PNG or PDF

What changed this quarter

Revenue was $766.7M in Q3 2026, up 23% year over year and up 4% from the previous quarter. Electronics – Passive Products and Sensors was the largest line at 31% of revenue. Industrial Products added $62.0M year over year (up 65%), 44% of the total change. Automotive Sensors declined 14%.

Gross margin was 41.5%, up 3.0 points from Q3 2025. Operating profit was $153.4M, a 20.0% margin (up 4.4 points year over year). Of the extra revenue versus Q3 2025, 39% reached operating profit, above the 16% margin then. Operating expenses grew 15% against revenue growth of 23%. The fastest-growing cost line was Other operating costs (+25%). Net earnings were $115.4M, up 66% year over year. The effective tax rate was 23.2%.

Operating cash flow was $230.2M (up 57% year over year), 199% of net earnings. Non-cash charges added back $34.5M of depreciation and amortization and $8.5M of share-based compensation. Working capital and other items added $71.8M. After purchases of property, plant, and equipment ($14.5M), free cash flow as the company reports it was $215.7M.

Quarterly history

Quarter	Form	Filed	Revenue	Y/Y	Op. margin	Net earnings	Op. cash flow
Q3 2026	10-Q	Oct 28, 2026	$767M	+23%	20.0%	$115M	$230M
Q2 2026	10-Q	Jul 29, 2026	$739M	+20%	16.2%	$89.4M	$146M
Q1 2026	10-Q	May 6, 2026	$657M	+18%	15.4%	$75.1M	$80.3M
Q4 2025	10-K	Feb 19, 2026	$594M	+12%	-37.5%	−$242M	$139M
Q3 2025	10-Q	Oct 29, 2025	$625M	+10%	15.6%	$69.5M	$147M
Q2 2025	10-Q	Jul 30, 2025	$613M	+10%	15.1%	$57.3M	$82.5M
Q1 2025	10-Q	Apr 30, 2025	$554M	+4%	12.7%	$43.6M	$65.8M

Charts

Latest (Q3 2026): Y/Y +23%, Q/Q +4%.

From the cash-flow statement as filed (SEC XBRL). Cash is fungible: the bars do not say which dollar paid for what.

Latest (Q3 2026): Net income $115M, Operating cash flow $230M.

+0.9% since FY2020: more shares outstanding (issuance, stock pay).

Cash $563M, short-term investments $287K, long-term debt $803M at 2025-12-27.