Atara BiotherapeuticsATRA
About: Atara Biotherapeutics Inc operates in the United States healthcare sector. It focuses on developing transformative therapies for patients with serious diseases, including solid tumors, hematologic cancers, and autoimmune diseases. It operates and manages business as one operating and reportable segment which is the business of developing therapeutics. The company's product candidates comprise Tab-cel, ATA188, and ATA3219 (CAR T Platform).
Employees: 89
Fund manager confidence
Based on 2025 Q1 regulatory disclosures by fund managers ($100M+ AUM)
5.51% less ownership
Funds ownership: 41.12% [Q4 2024] → 35.61% (-5.51%) [Q1 2025]
14% less funds holding
Funds holding: 43 [Q4 2024] → 37 (-6) [Q1 2025]
38% less repeat investments, than reductions
Existing positions increased: 8 | Existing positions reduced: 13
55% less first-time investments, than exits
New positions opened: 5 | Existing positions closed: 11
61% less capital invested
Capital invested by funds: $31.5M [Q4 2024] → $12.4M (-$19.1M) [Q1 2025]
Research analyst outlook
We haven’t received any recent analyst ratings for ATRA.
Financial journalist opinion









