Halo Labs

Biotechnology ResearchCalifornia, United States11-50 Employees

Halo Labs is a biotechnology research company headquartered in Burlingame, California, with 11–50 employees and a website at halolabs.com. The company develops analytical tools designed to shorten development timelines and enhance patient safety by quantifying stability, purity, and quality in protein therapeutics and cell and gene therapy products. Its flagship Aura platform combines optics and algorithms to identify subvisible and visible particles, including protein, viral capsids, and cell aggregates, using a plate-based approach that supports high-throughput analysis (up to 96 samples per run) with low sample volumes (as little as 5 μL) across stages from pre-formulation to quality control. Halo Labs has expanded its product offerings over time, including the 2023 introduction of 0.8 μm black membrane plates for viscous drug product particle characterization and the Aura+ subscription program launched in 2023, along with other next-generation instruments like Aura PTx announced in 2022. In 2025, Waters Corporation acquired Halo Labs and integrated it with Wyatt Technology, expanding capabilities for detecting and characterizing impurities in advanced therapeutics. The company operates in the biotechnology research industry, focusing on imaging and particle analysis to support development and quality assessment of therapeutic products.

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