WhichIndex

Which indexes is AltaGas Ltd. in?

AltaGas Ltd. is in 1 of the 57 indexes we track. Its largest weight is 0.33% in the S&P/TSX Composite, where it ranks #63 of 216.

Ticker
ALA (Toronto Stock Exchange)
Country
Canada
Sector
Utilities
Size
Large cap (market cap $10–200 billion; exact figure in the ranking)
Data as of
15 Oct 2026

Member of 1 index

AltaGas Ltd.'s index memberships
IndexWeight %RankIndex size
S&P/TSX Composite0.3363216

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.

AltaGas Ltd. across every index we track

Lit tiles are the indexes AltaGas Ltd. belongs to; the shade is its weight there.

Fewermore

Neighbours by weight

The members ranked just above and just below AltaGas Ltd. in each index
IndexRanked aboveRanked below
S&P/TSX CompositeToromont Industries Ltd. (0.34%)Hydro One Limited (0.33%)