What Changed
Price Move History
- Daily moves over 5%
- 39 110 sessions, October 13, 2025 to October 28, 2026
- Largest daily move
- -28.4% close of April 27, 2026
- 1-year change
- -22% closing prices, October 13, 2025 to October 28, 2026
- 1-month change
- +18.5% closing prices, September 28, 2026 to October 28, 2026
Company Description
BIOMERIEUX S A UNSP/ADR (BMXXY) represents American depositary receipts of bioMérieux SA, a company described in multiple press releases as a world leader in the field of in vitro diagnostics. According to these disclosures, bioMérieux has been active in microbiology and diagnostics for decades and is listed on the Euronext Paris stock market under the symbol BIM. The company is associated with the surgical and medical instrument manufacturing industry and the broader manufacturing sector through its development of diagnostic systems, reagents, software, and related services.
Across the provided company communications, bioMérieux states that it provides diagnostic solutions that determine the source of disease and contamination. These solutions are used mainly for diagnosing infectious diseases and for detecting microorganisms in food, agri‑food, pharmaceutical, and cosmetic products. The company emphasizes that its offerings include systems, reagents, software, and services that support both clinical laboratories and industrial laboratories.
Public materials describe bioMérieux as present in more than 40 countries and serving more than 160 countries through a large network of distributors. The company highlights that a substantial majority of its sales are generated outside France. These characteristics underline its role as a global diagnostics manufacturer with a long history in microbiology and infectious disease testing.
Business focus and applications
Based on the available information, bioMérieux focuses on in vitro diagnostic technologies that support:
- Clinical diagnosis of infectious diseases through microbiology and related testing.
- Detection of microorganisms in food and agri‑food products.
- Detection of microorganisms in pharmaceutical and cosmetic products.
- Antimicrobial stewardship (AMS) and the fight against antimicrobial resistance (AMR), as reflected in several partnerships and programs.
The company also describes a range of branded diagnostic offerings in its news releases. These include microbiology identification and susceptibility systems, molecular assays, and quality control tests used in healthcare and industrial settings. In each case, the stated goal is to improve patient health, support consumer safety, and enable data‑driven decisions in laboratories and production environments.
Role in antimicrobial stewardship and infectious disease
Several of the company’s announcements focus on antimicrobial resistance and stewardship. bioMérieux established an Antimicrobial Stewardship (AMS) Centers of Excellence program to highlight the threat of antimicrobial resistance and to accelerate the impact of infectious disease diagnostics on stewardship and patient care. In one example, the company recognized OhioHealth and The OhioHealth Microbiology Laboratory as an AMS Center of Excellence, emphasizing the role of the laboratory in data‑informed diagnostic practices to enhance patient care and infectious disease management.
In another initiative, the ARPEGE consortium, bioMérieux is described as a partner in a French multidisciplinary project aimed at developing solutions to strengthen the ability of healthcare institutions to fight antibiotic resistance. Within that project, bioMérieux is said to be committed to diagnostic solutions that can process large amounts of data, using artificial intelligence to support targeted and informed antibiotic prescription and epidemic surveillance.
Clinical diagnostics and microbiology systems
bioMérieux’s clinical microbiology activities are illustrated by the VITEK® COMPACT PRO system, for which the company announced U.S. FDA 510(k) clearance. The system is described as an instrument for microorganism identification (ID) and antibiotic susceptibility testing (AST). According to the company, this platform is intended to help clinical laboratories diagnose infectious diseases and combat antimicrobial resistance, and to help industrial laboratories identify contaminants for consumer safety.
The company positions VITEK® COMPACT PRO as an evolution of its earlier automated ID/AST systems, with an ergonomically advanced design, simplified workflow, and software and knowledge databases that support efficient microbiology operations. The system is said to be suited to small and medium‑sized laboratories and to laboratories transitioning from manual workflows to automated processes.
Industrial and food safety diagnostics
bioMérieux also emphasizes its presence in industrial microbiology and food safety. Several news releases describe molecular assays and platforms used by food and beverage manufacturers for environmental monitoring and quality control.
The GENE‑UP® ENVIROPRO™ assay is presented as an environmental swabbing test that simultaneously detects Salmonella and Listeria from a single enriched sample, including PCR confirmation. The company notes that this solution is intended to provide cost savings, reduce laboratory waste, and streamline workflows by allowing users to test for both organisms through one swab, one enrichment, and one sample preparation step.
Another example is GENE‑UP® PRO HRM, which bioMérieux describes as a DNA‑based test developed to detect heat‑resistant molds at the molecular level. The company states that this test can identify viable heat‑resistant molds and reduce time‑to‑result compared with compendial methods. It is intended to support juice and concentrate producers by improving operational efficiency, reducing storage costs, and protecting product quality.
bioMérieux also references GENE‑UP® PRO ACB, a real‑time PCR assay that detects and predicts spoilage due to Alicyclobacillus in juice products, and notes that these assays are part of its xPRO™ program. This program is described as an internal innovation engine that works with industry partners to develop and commercialize molecular assays addressing emerging needs in food and beverage quality control.
Collaborations and partnerships
The company’s communications highlight multiple collaborations that extend its diagnostics into new clinical and industrial applications:
- A partnership with OhioHealth to recognize the OhioHealth Microbiology Laboratory as an AMS Center of Excellence, supporting antimicrobial stewardship initiatives and data‑informed diagnostic practices.
- A strategic partnership agreement with Oxford Nanopore Technologies to explore opportunities to bring nanopore sequencing to infectious disease diagnostics, including tests related to tuberculosis resistance, pathogen identification in clinical samples, and integration with the BIOMÉRIEUX EPISEQ® CS application for outbreak monitoring.
- Participation in the ARPEGE consortium, which focuses on antibiotic resistance through new antibiotics, diagnostic tools, epidemic surveillance systems, and economic models.
- A collaboration with Baxter on the NEPHROCLEAR™ CCL14 test, an immunoassay intended to predict persistent severe acute kidney injury (PS‑AKI) and support clinical decision‑making in acute kidney injury management.
- An agreement with Mérieux NutriSciences involving the EnviroMap® digital platform, which interfaces with bioMérieux microbiology solutions to manage environmental sampling programs and provide real‑time decision support and traceability.
Stock listing and ADR context
bioMérieux is repeatedly described as listed on the Euronext Paris stock market, under the symbol BIM and ISIN code FR0013280286, with Reuters and Bloomberg identifiers BIOX.PA and BIM.FP. The BMXXY ticker on U.S. markets represents unsponsored American depositary receipts (ADRs) referencing shares of this Euronext‑listed company. No SEC filings were provided in the source data for BMXXY, which is consistent with the nature of unsponsored ADRs that may not involve direct SEC reporting by the foreign issuer.
Industry classification
Based on the supplied classification, BIOMERIEUX S A UNSP/ADR is associated with the surgical and medical instrument manufacturing industry within the manufacturing sector. The company’s own materials describe its activities more specifically as in vitro diagnostics, microbiology, and molecular testing for healthcare and industrial markets.
Stock Performance
BIOMERIEUX S A (BMXXY) closed at $11.29 on October 28, 2026. Over the past 12 months, the price has lost 22.0%.
BMXXY Metrics & Rankings
Price returns through October 28, 2026. Month-to-date and YTD include the first trading day. Ranking links may use different dates.
Latest News
BIOMERIEUX S A has 10 recent news articles. Of the recent coverage, 1 article coincided with positive price movement and 3 with negative movement. Key topics include partnership, fda approval. View all BMXXY news →
SEC Filings
Short Interest History
Short interest in BIOMERIEUX S A (BMXXY) currently stands at 369 shares, down 58.3% from the previous reporting period. Since October 2025, short interest has increased by 871.1%.
Days to Cover History
Days to cover for BIOMERIEUX S A (BMXXY) currently stands at 1.0 days. The ratio is the reported short interest divided by the average daily trading volume. Since October 2025, the figure has decreased by 94.7%. Across the settlements charted above, it has ranged from 1.0 to 1000.0 days.
BMXXY Company Profile & Sector Positioning
BIOMERIEUX S A (BMXXY) operates in the Diagnostics & Research industry within the broader Healthcare sector and is listed on the OTC.
Investors comparing BMXXY often look at related companies in the same sector, including WUXI APPTEC CO (WUXAY), LONZA GROUP AG (LZAGF), LONZA GROUP AG (LZAGY), HANGZHOU TIGRMD (HNGZY), and ASTELLAS PHARMA (ALPMY). Comparing financial metrics, valuation ratios, and stock performance across these peers can help investors evaluate BMXXY's relative position within its industry.