ATRA·046513206·US·equity·Healthcare - Biotechnology-Activist
ATRA (ATARA BIOTHERAPEUTICS INC) is held by 21 institutional investors as of Q1 2026. Largest holders: ADAGE CAPITAL PARTNERS GP, L.L.C. ($3.3M), MACKENZIE FINANCIAL CORP ($1.5M), Point72 Asset Management, L.P. ($918,869). Net institutional sentiment: Mixed.
See how ATRA's score breaks down across 4 SEC sources
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Data sourced from four SEC data sources: 13F, Form 4, 13D/13G, and STOCK Act. Not financial advice. Full disclaimer