ATRA

Atara Biotherapeutics, Inc.

Contracts

Total Value

Stock Metrics

11.3%

Short % Float

9.4d to cover · Moderate squeeze

52.6%

Inst % Float

10 holders · 2026-06-30

EcoR1 Capital, LLC

Top Holder

17.2% of float

4.7M sh

Public Float

76/100

Dilution Score

Critical

1 mo

Cash Runway

Verified regulatory filings & proprietary analysis.

Dilution Risk

76/100

CRITICAL

Inst: 52.6% · Top: EcoR1 Capital, LLC

Biotech Analytics

Cell Therapy

17.71

Dilution Risk: CRITICALSqueeze risk: MODERATEBiotech Grade: F

Insider Buying0

Publications100

Dilution Risk76

Clinical Trials4

Short Interest50