WhichIndex

Which indexes is Microsoft in?

Microsoft is in 4 of the 57 indexes we track. Its largest weight is 7.82% (estimated from market cap) in the Nasdaq Composite, where it ranks #4 of 3377.

Ticker
MSFT (Nasdaq)
Country
United States
Sector
Information Technology
Size
Mega cap (market cap over $200 billion; exact figure in the ranking)
Data as of
24 Oct 2026

Member of 4 indexes

Microsoft's index memberships
IndexWeight %RankIndex size
Nasdaq Composite7.82 (est.)43377
Nasdaq-1006.163100
Dow Jones5.86330
S&P 5005.853501

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.

Microsoft across every index we track

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

Fewermore

Neighbours by weight

The members ranked just above and just below Microsoft in each index
IndexRanked aboveRanked below
Nasdaq CompositeAlphabet Inc. (7.86%)Amazon (5.37%)
Nasdaq-100Apple Inc. (8.10%)Alphabet Inc. (5.86%)
Dow JonesCaterpillar Inc. (7.91%)Amgen (5.03%)
S&P 500Apple Inc. (7.68%)Alphabet Inc. (5.18%)

Not in

Among the indexes we track for United States.