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Small Cap Utilities
Stocks Ranked by
Market Capitalization

Small Cap Utilities Stocks at a Glance

Utility companies deliver electricity, gas, and water through regulated networks, alongside independent and renewable power producers. Regulators set allowed returns, so earnings are steady and dividend-focused; rate cases, capital programs, and interest rates — not the economic cycle — drive the stocks.

There are 26 small cap Utilities stocks — companies in the Utilities sector with a market cap between $250M and $2B — worth a combined $19.8B.

The largest by market cap are Hawaiian Electric Industries (HE) at $2B, Central Puerto (CEPU) at $1.92B and iShares US Utilities ETF (IDU) at $1.35B.

Among institutional investors, Digi Power X Inc (DGXX) drew the most net new fund positions in Q2 2026: 46 funds opened new positions, taking total fund holders up 36 (60%) quarter-over-quarter.

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