WhichIndex

Which indexes is Eni in?

Eni is in 3 of the 57 indexes we track. Its largest weight is 7.60% in the FTSE MIB, where it ranks #4 of 40.

Tickers
ENI (Euronext Milan)
E (NYSE)
Country
Italy
Sector
Energy
Size
Large cap (market cap $10–200 billion; exact figure in the ranking)
Data as of
26 Oct 2026

Member of 3 indexes

Eni's index memberships
IndexWeight %RankIndex size
FTSE MIB7.60440
Euro Stoxx 501.293150
NYSE Composite0.18 (est.)1331859

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.

Eni across every index we track

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

Fewermore

Neighbours by weight

The members ranked just above and just below Eni in each index
IndexRanked aboveRanked below
FTSE MIBEnel (10.36%)Ferrari (6.09%)
Euro Stoxx 50EssilorLuxottica (1.31%)DHL Group (1.25%)
NYSE CompositeEOG Resources (0.18%)KKR & Co. (0.18%)