WhichIndex

Which indexes is Alliant Energy in?

Alliant Energy is in 2 of the 57 indexes we track. Its largest weight is 0.03% (estimated from market cap) in the Nasdaq Composite, where it ranks #200 of 3373.

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

Member of 2 indexes

Alliant Energy's index memberships
IndexWeight %RankIndex size
Nasdaq Composite0.03 (est.)2003373
S&P 5000.03360502

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.

Alliant Energy across every index we track

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

Fewermore

Neighbours by weight

The members ranked just above and just below Alliant Energy in each index
IndexRanked aboveRanked below
Nasdaq CompositeAkamai Technologies (0.03%)Ascendis Pharma A/S (0.03%)
S&P 500Xylem Inc. (0.04%)Amcor (0.03%)

Not in

Among the indexes we track for United States.