Silicon Motion Technology CORP

NAND-controller maker, profitable and growing with good returns, though capex/inventory keep free cash flow thin.

Strengths

• Profitable and growing — operating margin 10.5% (69th), net income +37.4% (73rd), ROA 10.0% (83rd)
• Solid liquidity — current ratio 2.78 (53rd)

Risks

• Thin free cash flow this year — FCF margin 0.7% (inventory/capex)
• NAND/storage cyclicality — per 10-K
• Customer concentration and China/ADR exposure — per 10-K

Notable findings

• Customer concentration~91% of revenue from one customer/distributor — We generated 91%, 98% and 99% of our revenue in 2023, 2024 and 2025, respectively, from sales outside the United States, and for the year ended December 31, 2025, 79% of our revenue was from sales in
• Strong balance sheetStrong balance sheet — $232M cash & investments
• Pending mergerTermination of the Merger Agreement with MaxLinear On May 5, 2022, the Company entered into an Agreement and Plan of Merger (the “Merger Agreement”) with MaxLinear, Inc
• Notable holderHeld by 4 notable fund(s): FMR LLC, CITADEL ADVISORS LLC, STATE STREET CORP +1 more (as of 2026-03-31)
• Insider sellingInsider selling — 6 open-market sale(s) by 3 insider(s) (cluster of 3 insiders, ~$2M, last 6mo) Form 4 ↗