Littelfuse Inc (LFUS) stock
LFUSNasdaqSwitchgear & Switchboard ApparatusFiscal year ends December 26
Financials through Q3 FY2026, quarter ended Sep 26, 2026Last filing: 10-Q on Oct 28, 2026Score 13/30177% above fair value
$397.70+14.33 (+3.74%)
Close on Nov 11, 2026Market cap $10.10BP/E 405.8Yield 0.73%
Littelfuse operating margin
Operating margin is operating income as a percentage of revenue.
Littelfuse's operating margin for the twelve months ending Sep 26, 2026 was 5.5%. For fiscal 2025 it was 1.6%, against 7.2% the year before. The highest annual figure on record is 19.9% in fiscal 2022.
Annual operating margin
| Period | Period end | Value | Change (pts) |
|---|---|---|---|
| FY2025 | Dec 27, 2025 | 1.6% | −5.7 |
| FY2024 | Dec 28, 2024 | 7.2% | −8.0 |
| FY2023 | Dec 30, 2023 | 15.3% | −4.6 |
| FY2022 | Dec 31, 2022 | 19.9% | +1.4 |
| FY2021 | Jan 1, 2022 | 18.5% | +7.3 |
| FY2020 | Dec 26, 2020 | 11.2% | −1.6 |
| FY2019 | Dec 28, 2019 | 12.8% | −0.3 |
| FY2018 | Dec 29, 2018 | 13.1% | −4.8 |
| FY2017 | Dec 30, 2017 | 17.9% | +5.5 |
| FY2016 | Dec 31, 2016 | 12.4% | +0.4 |
| FY2015 | Jan 2, 2016 | 12.0% | −3.7 |
| FY2014 | Dec 27, 2014 | 15.7% | −1.4 |
| FY2013 | Dec 28, 2013 | 17.1% | +1.1 |
| FY2012 | Dec 29, 2012 | 16.0% | −1.1 |
| FY2011 | Dec 31, 2011 | 17.1% | −0.6 |
| FY2010 | Jan 1, 2011 | 17.7% | +14.5 |
| FY2009 | Jan 2, 2010 | 3.2% | – |
Quarterly operating margin
Change is against the same quarter a year earlier.
| Period | Period end | Value | Change (pts) |
|---|---|---|---|
| Q3 FY2026 | Sep 26, 2026 | 20.0% | +4.4 |
| Q2 FY2026 | Jun 27, 2026 | 16.2% | +1.1 |
| Q1 FY2026 | Mar 28, 2026 | 15.4% | +2.7 |
| Q4 FY2025 | Dec 27, 2025 | -37.5% | −28.2 |
| Q3 FY2025 | Sep 27, 2025 | 15.6% | +0.1 |
| Q2 FY2025 | Jun 28, 2025 | 15.1% | +3.4 |
| Q1 FY2025 | Mar 29, 2025 | 12.7% | +2.4 |
| Q4 FY2024 | Dec 28, 2024 | -9.3% | −21.4 |
| Q3 FY2024 | Sep 28, 2024 | 15.5% | +0.1 |
| Q2 FY2024 | Jun 29, 2024 | 11.7% | −3.3 |
| Q1 FY2024 | Mar 30, 2024 | 10.3% | −7.9 |
| Q4 FY2023 | Dec 30, 2023 | 12.1% | −3.3 |
| Q3 FY2023 | Sep 30, 2023 | 15.4% | −3.1 |
| Q2 FY2023 | Jul 1, 2023 | 15.0% | −6.7 |
| Q1 FY2023 | Apr 1, 2023 | 18.1% | −6.0 |
| Q4 FY2022 | Dec 31, 2022 | 15.4% | −1.4 |
| Q3 FY2022 | Oct 1, 2022 | 18.5% | −3.8 |
| Q2 FY2022 | Jul 2, 2022 | 21.7% | +3.3 |
| Q1 FY2022 | Apr 2, 2022 | 24.2% | +7.7 |
| Q4 FY2021 | Jan 1, 2022 | 16.8% | +0.6 |
| Q3 FY2021 | Sep 25, 2021 | 22.3% | +5.8 |
| Q2 FY2021 | Jun 26, 2021 | 18.4% | +22.3 |
| Q1 FY2021 | Mar 27, 2021 | 16.5% | +3.6 |
| Q4 FY2020 | Dec 26, 2020 | 16.2% | +6.7 |
| Q3 FY2020 | Sep 26, 2020 | 16.5% | +3.5 |
| Q2 FY2020 | Jun 27, 2020 | -3.9% | −17.1 |
| Q1 FY2020 | Mar 28, 2020 | 12.9% | −2.0 |
| Q4 FY2019 | Dec 28, 2019 | 9.5% | −3.3 |
| Q3 FY2019 | Sep 28, 2019 | 13.0% | −4.3 |
| Q2 FY2019 | Jun 29, 2019 | 13.2% | +0.2 |
| Q1 FY2019 | Mar 30, 2019 | 15.0% | +6.0 |
| Q4 FY2018 | Dec 29, 2018 | 12.8% | −3.8 |
| Q3 FY2018 | Sep 29, 2018 | 17.4% | −1.1 |
| Q2 FY2018 | Jun 30, 2018 | 13.0% | −6.2 |
| Q1 FY2018 | Mar 31, 2018 | 9.0% | −8.1 |
| Q4 FY2017 | Dec 30, 2017 | 16.7% | +2.3 |
| Q3 FY2017 | Sep 30, 2017 | 18.4% | – |
| Q2 FY2017 | Jul 1, 2017 | 19.2% | – |
| Q1 FY2017 | Apr 1, 2017 | 17.1% | – |
| Q4 FY2016 | Dec 31, 2016 | 14.4% | – |
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