WhichIndex

Which indexes is Steel Dynamics in?

Steel Dynamics is in 2 of the 57 indexes we track. Its largest weight is 0.07% (estimated from market cap) in the Nasdaq Composite, where it ranks #129 of 3373.

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

Member of 2 indexes

Steel Dynamics's index memberships
IndexWeight %RankIndex size
Nasdaq Composite0.07 (est.)1293373
S&P 5000.05304502

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.

Steel Dynamics across every index we track

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

Fewermore

Neighbours by weight

The members ranked just above and just below Steel Dynamics in each index
IndexRanked aboveRanked below
Nasdaq CompositeRoyalty Pharma plc (0.07%)Vodafone Group (0.07%)
S&P 500ResMed (0.05%)United Airlines Holdings (0.05%)

Not in

Among the indexes we track for United States.