AEIS vs MKSI
AEIS: Advanced Energy Industries provides critical power conversion, measurement, and control technology that powers complex processes in semiconductor and industrial markets. MKSI: MKS Instruments is a critical provider of advanced process control and precision technology solutions that enable the manufacturing of high-end semiconductors and electronics.
Side-by-side fundamentals
| Metric | AEIS | MKSI | Edge |
|---|---|---|---|
| Price as of 2026-10-20 close | $239.65 | $211.14 | |
| Market cap | $9.6B | $14.3B | |
| P/E as of 2026-10-20 | 44.46 | 33.62 | MKSI lower |
| Net margin | +3.7% | +7.5% | MKSI higher |
| Gross margin FY2025, SEC XBRL | +37.7% | +46.7% | MKSI higher |
| Operating margin FY2025, SEC XBRL | +9.3% | +13.4% | MKSI higher |
| ROE | +4.5% | +10.8% | MKSI higher |
| ROA | +2.4% | +3.4% | MKSI higher |
| Debt / equity filed borrowings, leases excl., balance sheet 2026-06-30 | 0.87 | 1.32 | AEIS lower |
| Revenue growth (YoY) FY2025, SEC XBRL | +21.4% | +9.6% | AEIS higher |
| Revenue CAGR (3y) SEC XBRL | -0.8% | +3.5% | MKSI higher |
| Dividend yield as of 2026-09-03 | +0.2% | +0.4% | MKSI higher |
| Dividend streak (yrs) SEC XBRL | 5 | 15 | MKSI higher |
| Beta as of 2026-09-03 | 2.04 | 2.52 | |
| 1-year return as of 2026-10-20 close | +21.4% | +49.1% | MKSI higher |
Fundamentals: SEC XBRL company filings for the figures marked with a fiscal year, and market data, as of 2026-09-03 for the rest. Filings: SEC EDGAR. Prices are delayed daily-close data.
Last updated 2026-10-20.
Informational only — NOT financial advice. All figures are delayed daily-close data from SEC EDGAR & market data, shown with their as-of date; "Edge" cells are a pure numeric comparison, not a recommendation.