WhichIndex

Which indexes is American Electric Power in?

American Electric Power is in 3 of the 57 indexes we track. Its largest weight is 0.29% in the Nasdaq-100, where it ranks #65 of 100.

Ticker
AEP (Nasdaq)
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 3 indexes

American Electric Power's index memberships
IndexWeight %RankIndex size
Nasdaq-1000.2965100
Nasdaq Composite0.13 (est.)743373
S&P 5000.10172502

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.

American Electric Power across every index we track

Lit tiles are the indexes American Electric Power belongs to; the shade is its weight there.

Fewermore

Neighbours by weight

The members ranked just above and just below American Electric Power in each index
IndexRanked aboveRanked below
Nasdaq-100O'Reilly Automotive (0.30%)Honeywell Technologies (0.28%)
Nasdaq CompositeO'Reilly Automotive (0.14%)Honeywell Technologies (0.13%)
S&P 500Air Products (0.10%)Arthur J. Gallagher & Co. (0.10%)

Not in

Among the indexes we track for United States.