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Magnachip Semiconductor vs Ambiq Micro: MX and AMBQ compared
Magnachip Semiconductor is the larger company: $44.0M of revenue in its latest quarter (Q3 2026) against $33.9M for Ambiq Micro (Q2 2026). Ambiq Micro is growing faster (+90% against -4% a year earlier). Ambiq Micro is more profitable, with an operating margin of -25.7% against -29.3%.
Where the money goes: MX and AMBQ
Magnachip Semiconductor (MX) · Q3 2026
Magnachip Semiconductor, Q3 2026: revenue $44.0M (-4% year over year), operating margin -29.3%, net loss $22.0M, operating cash flow −$21.1M. The chart follows the revenue to costs, profit and cash.
Ambiq Micro (AMBQ) · Q2 2026
Ambiq Micro, Q2 2026: revenue $33.9M (+90% year over year), operating margin -25.7%, net loss $7.1M, operating cash flow −$9.5M. The chart follows the revenue to costs, profit and cash.
| Magnachip Semiconductor (MX) | Ambiq Micro (AMBQ) | |
|---|---|---|
| Latest quarter | Q3 2026 | Q2 2026 |
| Revenue | $44.0M | $33.9M |
| Revenue growth, Y/Y | -4% | +90% |
| Operating margin | -29.3% | -25.7% |
| Net earnings | −$22.0M | −$7.1M |
| Net margin | -50.0% | -21.0% |
| Operating cash flow | −$21.1M | −$9.5M |
Questions
Which is bigger, Magnachip Semiconductor or Ambiq Micro?
Magnachip Semiconductor is the larger company: $44.0M of revenue in its latest quarter (Q3 2026) against $33.9M for Ambiq Micro (Q2 2026).
Is Magnachip Semiconductor or Ambiq Micro growing faster?
Ambiq Micro is growing faster (+90% against -4% a year earlier).
Which is more profitable, Magnachip Semiconductor or Ambiq Micro?
Ambiq Micro is more profitable, with an operating margin of -25.7% against -29.3%.
More: Magnachip Semiconductor earnings · how Magnachip Semiconductor makes money · Ambiq Micro earnings · how Ambiq Micro makes money
From the companies' latest 10-Q, 10-K or earnings release (10-Q filed Nov 5, 2026; 10-Q filed Aug 11, 2026). Fiscal quarters can end on different dates. Not investment advice.