BELFB vs CSL
BELFB: Bel Fuse is a global manufacturer of critical electronic components including power supplies, connectors, and magnetic modules used in demanding aerospace, defense, and industrial applications. CSL: Carlisle Companies is a diversified manufacturer of building products, specialty materials, and industrial components serving construction, automotive, and transportation markets.
Side-by-side fundamentals
| Metric | BELFB | CSL | Edge |
|---|---|---|---|
| Price as of 2026-07-22 close | $282.06 | $327.78 | |
| Market cap as of 2026-07-23 | $4.0B | $13.1B | |
| P/E as of 2026-07-23 | 72.32 | 18.07 | CSL lower |
| PEG as of 2026-07-23 | 3.35 | n/a | |
| Net margin as of 2026-07-23 | +7.8% | +14.6% | CSL higher |
| Gross margin as of 2026-07-23 | +39.2% | +35.6% | BELFB higher |
| Operating margin as of 2026-07-23 | +15.6% | +20.1% | CSL higher |
| ROE as of 2026-07-23 | +13.0% | +38.4% | CSL higher |
| ROA as of 2026-07-23 | +5.8% | +12.0% | CSL higher |
| Debt / equity as of 2026-07-23 | 0.47 | 1.74 | BELFB lower |
| Revenue growth (YoY) as of 2026-07-23 | +25.5% | -0.5% | BELFB higher |
| Revenue CAGR (3y) SEC XBRL | +1.1% | -2.7% | BELFB higher |
| Dividend yield as of 2026-07-23 | +0.1% | +1.4% | CSL higher |
| Dividend streak (yrs) SEC XBRL | n/a | 4 | |
| Beta as of 2026-07-23 | 1.41 | 0.86 | |
| 1-year return as of 2026-07-22 close | +152.8% | -20.3% | BELFB 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.