Spear Bio
Ultra-Sensitive Biomarker Detection
Boston, United States · Founded 2021 · $45.0M raised
- Headquarters
- Boston, Massachusetts
- Employees
- 11–50
- Founded
- 2021
- Business Model
- B2B
- Website
- spear.bio
- Total Funding
- $45.0M
- Last Round
- $45.0M Series AJul 2024
- Rounds
- 3
About
Spear Bio develops ultra-sensitive immunoassay kits and services based on its patented SPEAR (Successive Proximity Extension Amplification Reaction) technology. The wash-free, homogeneous platform detects protein biomarkers at attomolar concentrations using 1 µL or less of sample and a standard qPCR workflow, enabling research in neurological diseases including Alzheimer's, TBI, multiple sclerosis, and ALS.
Summary
Spear Bio is a Biotech company based in Boston, United States, founded in 2021. It has raised $45.0M in total across 3 rounds, most recently a $45.0M Series A round in Jul 2024. Investors include Maverick Ventures, CDH Investments and Foresite Capital.
Tech & App Stack
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Funding History
Jul 2024
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Seed through Series A — per-round amounts, valuations, and who invested in each round.
Investors
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