BELFA vs OSIS
BELFA: Bel Fuse is a global developer of critical power, connectivity, and circuit protection components serving high-reliability markets including aerospace, defense, and telecommunications. OSIS: A global leader providing high-stakes security inspection systems, medical monitoring technology, and specialized electronic components for critical infrastructure and healthcare.
Side-by-side fundamentals
| Metric | BELFA | OSIS | Edge |
|---|---|---|---|
| Price as of 2026-07-22 close | $237.61 | $209.79 | |
| Market cap as of 2026-07-23 | $4.0B | $3.5B | |
| P/E as of 2026-07-23 | 72.32 | 22.79 | OSIS lower |
| PEG as of 2026-07-23 | 3.35 | 2.16 | OSIS lower |
| Net margin as of 2026-07-23 | +7.8% | +8.4% | OSIS higher |
| Gross margin as of 2026-07-23 | +39.2% | +32.8% | BELFA higher |
| Operating margin as of 2026-07-23 | +15.6% | +12.1% | BELFA higher |
| ROE as of 2026-07-23 | +13.0% | +16.7% | OSIS higher |
| ROA as of 2026-07-23 | +5.8% | +6.3% | OSIS higher |
| Debt / equity as of 2026-07-23 | 0.47 | 1.12 | BELFA lower |
| Revenue growth (YoY) as of 2026-07-23 | +25.5% | +7.0% | BELFA higher |
| Revenue CAGR (3y) SEC XBRL | +1.1% | +4.4% | OSIS higher |
| Dividend yield as of 2026-07-23 | +0.1% | n/a | |
| Beta as of 2026-07-23 | 1.41 | 1.24 | |
| 1-year return as of 2026-07-22 close | +152.8% | -3.4% | BELFA higher |
Fundamentals: Finnhub, as of 2026-07-23. Filings: SEC EDGAR. Prices are delayed daily-close data.
Last updated 2026-07-22.
Informational only — NOT financial advice. All figures are delayed daily-close data from SEC EDGAR & Finnhub, shown with their as-of date; "Edge" cells are a pure numeric comparison, not a recommendation.