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Small Cap Uranium
Stocks Ranked by
Market Capitalization

Name Market cap Price Price
change %
DNN icon
1
Denison Mines
DNN
$1.96B
$1.96B $2.16 7.3%
UROY
2
Uranium Royalty Corp
UROY
$1.43B
$1.43B $3.74 3.61%
ISOU icon
3
IsoEnergy Ltd
ISOU
$534M
$534M $8.19 5.21%

Small Cap Uranium Stocks at a Glance

Uranium companies mine, mill, and process the fuel that powers nuclear reactors. With supply concentrated in a handful of producers and demand set by reactor construction and government energy policy, these stocks trade as a leveraged bet on the nuclear fuel cycle.

There are 3 small cap Uranium stocks — companies in the Uranium industry with a market cap between $250M and $2B — worth a combined $3.91B.

The largest by market cap are Denison Mines (DNN) at $1.96B, Uranium Royalty Corp (UROY) at $1.43B and IsoEnergy Ltd (ISOU) at $534M.

Among institutional investors, IsoEnergy Ltd (ISOU) drew the most net new fund positions in Q2 2026: 13 funds opened new positions, taking total fund holders up 8 (20%) quarter-over-quarter.

  • Combined market cap: $3.91B across 3 stocks.
  • Small Cap: market cap between $250M and $2B.
  • Largest constituent: Denison Mines (DNN), $1.96B market cap.
  • Most net new fund positions in Q2 2026: IsoEnergy Ltd (ISOU), +8 holders.

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