# BEL Fuse Inc: overview

BELFA · Nasdaq · CIK 729580 · [Technology](/sectors/technology.md) · fiscal year ends Dec 31

Pages: [Overview](/companies/belfa.md) · [Financials](/companies/belfa/financials.md) · [Filings](/companies/belfa/filings.md) · [Insiders](/companies/belfa/insiders.md)

Latest reported revenue: [$210.7m](/filings/0001437749-26-025619.md) for Q2 FY2026, three months to 2026-06-30, from the 10-Q filed Aug 4, 2026 (XBRL us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax, accession 0001437749-26-025619).

## Last eight quarters

| Line item | Unit | Q3 FY2024 (2024-09-30) | Q4 FY2024 (2024-12-31) | Q1 FY2025 (2025-03-31) | Q2 FY2025 (2025-06-30) | Q3 FY2025 (2025-09-30) | Q4 FY2025 (2025-12-31) | Q1 FY2026 (2026-03-31) | Q2 FY2026 (2026-06-30) |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: |
| Revenue | $m | [124](/filings/0001437749-25-032940.md) | [150 d](/filings/0001437749-26-005354.md) | [152](/filings/0001437749-26-014903.md) | [168](/filings/0001437749-26-025619.md) | [179](/filings/0001437749-25-032940.md) | [176 d](/filings/0001437749-26-005354.md) | [178](/filings/0001437749-26-014903.md) | [211](/filings/0001437749-26-025619.md) |
| Gross margin | % | [36.1%](/filings/0001437749-25-032940.md) | [37.5% d](/filings/0001437749-26-005354.md) | [38.6%](/filings/0001437749-26-014903.md) | [38.7%](/filings/0001437749-26-025619.md) | [39.7%](/filings/0001437749-25-032940.md) | [39.4% d](/filings/0001437749-26-005354.md) | [39.0%](/filings/0001437749-26-014903.md) | [39.9%](/filings/0001437749-26-025619.md) |
| Operating margin | % | [9.3%](/filings/0001437749-25-032940.md) | [8.3% d](/filings/0001437749-26-005354.md) | [16.4%](/filings/0001437749-26-014903.md) | [17.7%](/filings/0001437749-26-025619.md) | [16.9%](/filings/0001437749-25-032940.md) | [14.7% d](/filings/0001437749-26-005354.md) | [13.3%](/filings/0001437749-26-014903.md) | [18.2%](/filings/0001437749-26-025619.md) |
| Net margin | % | [6.5%](/filings/0001437749-24-032429.md) | [(1.2%) d](/filings/0001437749-26-005354.md) | [11.7%](/filings/0001437749-26-025619.md) | [16.0%](/filings/0001437749-26-025619.md) | [12.6%](/filings/0001437749-25-032940.md) | [(3.5%) d](/filings/0001437749-26-005354.md) | [6.4%](/filings/0001437749-26-025619.md) | [12.1%](/filings/0001437749-26-025619.md) |
| Diluted EPS | $ per share | not reported | not reported | not reported | not reported | not reported | not reported | not reported | not reported |
| Free cash flow | $m | [23.7 d](/filings/0001437749-25-032940.md) | [2.1 d](/filings/0001437749-26-005354.md) | [5.4](/filings/0001437749-26-014903.md) | [16.8 d](/filings/0001437749-26-025619.md) | [20.3 d](/filings/0001437749-25-032940.md) | [26.1 d](/filings/0001437749-26-005354.md) | [11.2](/filings/0001437749-26-014903.md) | [15.7 d](/filings/0001437749-26-025619.md) |

- Revenue. XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Gross margin (gross profit / revenue). XBRL Gross profit: us-gaap:GrossProfit; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Operating margin (operating income / revenue). XBRL Operating income: us-gaap:OperatingIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax; Net income: us-gaap:ProfitLoss. Derived values: 12-month figure less the 9-month figure.
- Diluted EPS. XBRL not reported.
- Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities; Capital expenditure: us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. Derived values: 9-month figure less the 6-month figure; 12-month figure less the 9-month figure; 6-month figure less the 3-month figure.

## Last five fiscal years

| Line item | Unit | FY2021 (2021-12-31) | FY2022 (2022-12-31) | FY2023 (2023-12-31) | FY2024 (2024-12-31) | FY2025 (2025-12-31) |
| --- | --- | ---: | ---: | ---: | ---: | ---: |
| Revenue | $m | [543](/filings/0001437749-23-006172.md) | [654](/filings/0001437749-25-005652.md) | [640](/filings/0001437749-26-005354.md) | [535](/filings/0001437749-26-005354.md) | [675](/filings/0001437749-26-005354.md) |
| Gross margin | % | [24.7%](/filings/0001437749-23-006172.md) | [28.0%](/filings/0001437749-25-005652.md) | [33.7%](/filings/0001437749-26-005354.md) | [37.8%](/filings/0001437749-26-005354.md) | [39.1%](/filings/0001437749-26-005354.md) |
| Operating margin | % | [5.8%](/filings/0001437749-23-006172.md) | [10.0%](/filings/0001437749-25-005652.md) | [13.8%](/filings/0001437749-26-005354.md) | [12.0%](/filings/0001437749-26-005354.md) | [16.4%](/filings/0001437749-26-005354.md) |
| Net margin | % | [4.6%](/filings/0001437749-23-006172.md) | [8.1%](/filings/0001437749-25-005652.md) | [11.5%](/filings/0001437749-26-005354.md) | [7.7%](/filings/0001437749-26-005354.md) | [9.1%](/filings/0001437749-26-005354.md) |
| Diluted EPS | $ per share | not reported | not reported | not reported | not reported | not reported |
| Free cash flow | $m | [(4.8)](/filings/0001437749-23-006172.md) | [31.4](/filings/0001437749-25-005652.md) | [96.2](/filings/0001437749-26-005354.md) | [60.0](/filings/0001437749-26-005354.md) | [68.6](/filings/0001437749-26-005354.md) |

- Revenue. XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Gross margin (gross profit / revenue). XBRL Gross profit: us-gaap:GrossProfit; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Operating margin (operating income / revenue). XBRL Operating income: us-gaap:OperatingIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Diluted EPS. XBRL not reported.
- Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities; Capital expenditure: us-gaap:PaymentsToAcquirePropertyPlantAndEquipment.

Each value links to the filing it came from. d marks a derived value. A ratio is not reported when any input is missing.

## Insider purchases and sales

The last 20 open-market transactions on Form 4 (codes P and S). Reported price is as stated on the form, not a market price. [All insider transactions](/companies/belfa/insiders.md)

None in coverage.

## Funds that report holding it

From each manager’s latest Form 13F, largest reported value first. Reported value is as filed: filing data, not a price. [All funds](/funds.md)

| Fund | Quarter ended | Reported value | Shares | Put or call | Change on the quarter before |
| --- | --- | ---: | ---: | --- | --- |
| [BlackRock, Inc.](/funds/2012383.md) | 2026-06-30 | $340.5m | 1,022,258 |  | Added +175,338 |
| [FMR LLC](/funds/315066.md) | 2026-06-30 | $291.8m | 876,104 |  | Added +244,797 |
| [Jupiter Topco LLC](/funds/2146052.md) | 2026-06-30 | $196.5m | 590,030 |  | Not compared |
| [VANGUARD CAPITAL MANAGEMENT LLC](/funds/2100119.md) | 2026-06-30 | $185.0m | 555,463 |  | Added +66,382 |
| [WASATCH ADVISORS LP](/funds/814133.md) | 2026-06-30 | $163.0m | 489,414 |  | Added +10,705 |
| [JANUS HENDERSON GROUP PLC](/funds/1274173.md) | 2026-03-31 | $150.6m | 760,141 |  | Not compared |
| [VANGUARD PORTFOLIO MANAGEMENT LLC](/funds/2100121.md) | 2026-06-30 | $132.9m | 399,104 |  | Added +69,643 |
| [Bank of New York Mellon Corp](/funds/1390777.md) | 2026-06-30 | $129.9m | 389,896 |  | Added +338,660 |
| [GEODE CAPITAL MANAGEMENT, LLC](/funds/1214717.md) | 2026-06-30 | $121.0m | 363,322 |  | Added +55,274 |
| [FRANKLIN RESOURCES INC](/funds/38777.md) | 2026-06-30 | $100.0m | 300,239 |  | Added +185,886 |

## Recent filings

[All 752 filings](/companies/belfa/filings.md)

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-08-04 | 18:11 ET | [10-Q](/filings/0001437749-26-025619.md) | Quarterly report, period 2026-06-30 | 0001437749-26-025619 |
| 2026-07-29 | 20:34 ET | [8-K](/filings/0001437749-26-024893.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001437749-26-024893 |
| 2026-07-02 | 20:37 ET | [8-K](/filings/0001437749-26-022539.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001437749-26-022539 |
| 2026-05-28 | 18:24 ET | [8-K](/filings/0001437749-26-018719.md) | 5.02 Departure or appointment of officers or directors; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001437749-26-018719 |
| 2026-05-14 | 20:43 ET | [8-K](/filings/0001213900-26-056732.md) | 1.01 Entry into a material agreement; 8.01 Other events; 9.01 Financial statements and exhibits | 0001213900-26-056732 |
| 2026-05-12 | 18:25 ET | [8-K](/filings/0001437749-26-016373.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001437749-26-016373 |
| 2026-05-05 | 20:32 ET | [10-Q](/filings/0001437749-26-014903.md) | Quarterly report, period 2026-03-31 | 0001437749-26-014903 |
| 2026-04-29 | 20:22 ET | [8-K](/filings/0001437749-26-013888.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001437749-26-013888 |
| 2026-04-10 | 18:49 ET | [DEF 14A](/filings/0001437749-26-011998.md) | Proxy statement, period 2026-05-26 | 0001437749-26-011998 |
| 2026-04-06 | 21:08 ET | [8-K](/filings/0001437749-26-011412.md) | 2.02 Results of operations; 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001437749-26-011412 |

## Latest annual report

[Form 10-K for the fiscal year ended Dec 31, 2025](/filings/0001437749-26-005354.md), filed Feb 24, 2026.

## Forecast league

Q3 FY2026, the quarter ended 2026-09-30, is open for forecasts until the first results filing for it is accepted by EDGAR. Results are due by \[object Promise\]. [Forecast this quarter](/leagues/2026q3/targets/cf46dc3f-27ed-4384-8fee-ec4dbdbfb902)

## About the filer

- CIK: 729580
- Tickers: BELFA, BELFB
- Exchange: Nasdaq
- SIC code: 3677 Electronic Coils, Transformers & Other Inductors
- State of incorporation: NJ
- Filer category: Large accelerated filer

Source: SEC EDGAR, XBRL company facts, the filing index and Forms 4. Last ingested by Listed: Oct 24, 2026, 15:23 ET. No prices; not investment advice.