WhichIndex

Which indexes is Anaptysbio in?

Anaptysbio is in 2 of the 57 indexes we track. Its largest weight is 0.03% in the Russell 2000, where it ranks #842 of 1963.

Ticker
ANAB (Nasdaq)
Country
United States
Sector
Health Care
Size
Small cap (market cap $300 million–2 billion; exact figure in the ranking)
Data as of
15 Oct 2026

Member of 2 indexes

Anaptysbio's index memberships
IndexWeight %RankIndex size
Russell 20000.038421963
Nasdaq Composite0.00 (est.)8493373

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.

Anaptysbio across every index we track

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

Fewermore

Neighbours by weight

The members ranked just above and just below Anaptysbio in each index
IndexRanked aboveRanked below
Russell 2000Amphastar Pharmaceuticals (0.03%)Anterix (0.03%)
Nasdaq CompositeAn2 Therapeutics Inc (0.00%)Anavex Life Sciences Corp (0.00%)

Not in

Among the indexes we track for United States.