WhichIndex

Which indexes is Cameco Corporation in?

Cameco Corporation is in 2 of the 57 indexes we track. Its largest weight is 1.00% in the S&P/TSX Composite, where it ranks #27 of 216.

Tickers
CCO (Toronto Stock Exchange)
CCJ (NYSE)
Country
Canada
Sector
Energy
Size
Large cap (market cap $10–200 billion; exact figure in the ranking)
Data as of
16 Oct 2026

Member of 2 indexes

Cameco Corporation's index memberships
IndexWeight %RankIndex size
S&P/TSX Composite1.0027216
NYSE Composite0.08 (est.)2671865

Source: each index's own source, listed on its page. How we source this. Weights are estimates where marked. This page is refreshed when a membership changes or a weight moves by more than 10%; each index page has the daily figures.

Cameco Corporation across every index we track

Lit tiles are the indexes Cameco Corporation belongs to; the shade is its weight there.

Fewermore

Neighbours by weight

The members ranked just above and just below Cameco Corporation in each index
IndexRanked aboveRanked below
S&P/TSX CompositeDollarama Inc. (1.06%)Power Corporation of Canada (0.95%)
NYSE CompositeCBRE Group (0.08%)Celestica Inc. (0.08%)