WhichIndex

Which indexes is Regeneron Pharmaceuticals in?

Regeneron Pharmaceuticals is in 3 of the 57 indexes we track. Its largest weight is 0.33% in the Nasdaq-100, where it ranks #59 of 100.

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

Member of 3 indexes

Regeneron Pharmaceuticals's index memberships
IndexWeight %RankIndex size
Nasdaq-1000.3359100
Nasdaq Composite0.16 (est.)693373
S&P 5000.12147502

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.

Regeneron Pharmaceuticals across every index we track

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

Fewermore

Neighbours by weight

The members ranked just above and just below Regeneron Pharmaceuticals in each index
IndexRanked aboveRanked below
Nasdaq-100Mondelez International (0.34%)Comcast (0.32%)
Nasdaq CompositeNetEase (0.16%)Comcast (0.15%)
S&P 500Mondelez International (0.12%)Robinhood Markets (0.12%)

Not in

Among the indexes we track for United States.