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Micro Cap Auto Parts
Stocks Ranked by
Market Capitalization

Micro Cap Auto Parts Stocks at a Glance

Auto parts companies make components, tires, and accessories for vehicle production and the replacement market. Aftermarket demand is steadier than new-car build rates, so the mix between supplying automakers and repair channels shapes each company's cyclicality.

There are 17 micro cap Auto Parts stocks — companies in the Auto Parts industry with a market cap under $250M — worth a combined $1.37B.

The largest by market cap are Motorcar Parts of America (MPAA) at $222M, Stoneridge (SRI) at $205M and SES AI (SES) at $202M.

Among institutional investors, Commercial Vehicle Group (CVGI) drew the most net new fund positions in Q2 2026: 48 funds opened new positions, taking total fund holders up 36 (49%) quarter-over-quarter.

Market caps and prices updated daily; fund activity based on aggregated SEC 13F filings for Q2 2026.