WhichIndex

Which indexes is NRG Energy in?

NRG Energy is in 2 of the 57 indexes we track. Its largest weight is 0.05% (estimated from market cap) in the NYSE Composite, where it ranks #366 of 1865.

Ticker
NRG (NYSE)
Country
United States
Sector
Utilities
Size
Large cap (market cap $10–200 billion; exact figure in the ranking)
Data as of
16 Oct 2026

Member of 2 indexes

NRG Energy's index memberships
IndexWeight %RankIndex size
NYSE Composite0.05 (est.)3661865
S&P 5000.03394502

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.

NRG Energy across every index we track

Lit tiles are the indexes NRG Energy belongs to; the shade is its weight there.

Fewermore

Neighbours by weight

The members ranked just above and just below NRG Energy in each index
IndexRanked aboveRanked below
NYSE CompositeMarkel Group Inc. (0.05%)Omnicom Group (0.05%)
S&P 500Loews Corporation (0.03%)News Corp (0.03%)

Not in

Among the indexes we track for United States.