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Compare · ATRA vs SABS

ATRA vs SABS

Side-by-side comparison of Atara Biotherapeutics Inc. (ATRA) and SAB Biotherapeutics Inc. (SABS): market cap, price performance, sector, and recent activity on the wire.

Summary

  • Both ATRA and SABS operate in Biotechnology: Biological Products (No Diagnostic Substances) (Health Care), so they compete in similar markets.
  • SABS is the larger of the two at $275.3M, about 3.8x ATRA ($72.4M).
  • Over the past year, ATRA is down 11.5% and SABS is up 33.3% - SABS leads by 44.7 points.
  • SABS has been more active in the news (4 items in the past 4 weeks vs 2 for ATRA).
  • SABS has more recent analyst coverage (13 ratings vs 10 for ATRA).
PerformanceATRA-11.46%SABS+33.27%
2025-07-14+0.00%2026-07-14
MetricATRASABS
Company
Atara Biotherapeutics Inc.
SAB Biotherapeutics Inc.
Price
$8.15-7.02%
$3.58-3.89%
Market cap
$72.4M
$275.3M
1M return
-21.86%
+6.07%
1Y return
-11.46%
+33.27%
Industry
Biotechnology: Biological Products (No Diagnostic Substances)
Biotechnology: Biological Products (No Diagnostic Substances)
Exchange
NASDAQ
NASDAQ
IPO
2014
2021
News (4w)
2
4
Recent ratings
10
13
ATRA

Atara Biotherapeutics Inc.

Atara Biotherapeutics, Inc., an off-the-shelf T-cell immunotherapy company, develops treatments for patients with cancer, autoimmune, and viral diseases in the United States. It is developing tabelecleucel, a T-cell immunotherapy that is Phase 3 clinical trials for the treatment of epstein-barr virus (EBV) driven post-transplant lymphoproliferative disease, as well as hematologic and solid tumors, including nasopharyngeal carcinoma. The company is also developing next-generation CAR T immunotherapies for patients with hematologic malignancies and solid tumors, including ATA2271 and ATA3271 for mesothelin; and ATA2431 and ATA3219 for B-cell malignancies, as well as ATA188 for the treatment of multiple sclerosis. In addition, it develops ATA2321 for acute myeloid leukemia; and ATA368 for human papillomavirus. Atara Biotherapeutics, Inc. has a license agreement with Memorial Sloan Kettering Cancer Center; license, and research and development collaboration agreement with QIMR Berghofer Medical Research Institute; and strategic collaboration with H. Lee Moffitt Cancer Center, as well as Bayer AG for mesothelin-targeted CAR T-cell therapies for solid tumors. The company was incorporated in 2012 and is headquartered in South San Francisco, California.

SABS

SAB Biotherapeutics Inc.

SAB Biotherapeutics, Inc., a clinical-stage biopharmaceutical company, engages in the development of immunotherapies based on human antibodies. The company uses its DiversitAb immunotherapy platform to produce fully-human polyclonal antibodies without the need for human donors. Its lead product candidates include SAB-185, a fully-human polyclonal antibody therapeutic for the treatment of COVID-19 advancing as part of the NIH's ACTIV-2 protocol; and SAB-176, a fully-human polyclonal antibody therapeutic candidate designed to bind to type A and B viruses. The company's pre-clinical product candidates in development for autoimmune diseases include SAB-142 for type 1 diabetes and organ transplant induction/rejection; and SAB-181 for immune globulin (IgG) mediated diseases. It focuses on infectious diseases, such as COVID-19 and influenza, immune system disorders comprising type 1 diabetes, organ transplantation, and cancer. The company was founded in 2014 and is based in Miami Beach, Florida.

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