WhichIndex

Which indexes is Atara Biotherapeutics, Inc. in?

Atara Biotherapeutics, Inc. is in 1 of the 57 indexes we track. Its largest weight is 0.00% (estimated from market cap) in the Nasdaq Composite, where it ranks #919 of 3373.

Ticker
ATRA (Nasdaq)
Country
United States
Size
Micro cap (market cap $50–300 million; exact figure in the ranking)
Data as of
15 Oct 2026

Member of 1 index

Atara Biotherapeutics, Inc.'s index memberships
IndexWeight %RankIndex size
Nasdaq Composite0.00 (est.)9193373

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.

Atara Biotherapeutics, Inc. across every index we track

Lit tiles are the indexes Atara Biotherapeutics, Inc. belongs to; the shade is its weight there.

Fewermore

Neighbours by weight

The members ranked just above and just below Atara Biotherapeutics, Inc. in each index
IndexRanked aboveRanked below
Nasdaq CompositeAsure Software Inc (0.00%)Atea Pharmaceuticals (0.00%)

Not in

Among the indexes we track for United States.