Spear Bio

Developer of ultrasensitive immunoassays and proteomics platforms for detecting protein biomarkers

placeBoston, Massachusetts, United States calendar_todayFounded 2021 groups21 employees language spear.bio

Registered entities

Social engagement

Social engagement: 6.8K social following, 9 posts in the last 12 months — below the industry typical range.

Investor mix

7 investors on record; lead investors include Foresite Capital, Bio-Techne, CDH, Sequoia China Seed Fund.

Investor typeCountShare
Venture capital457%
Private equity229%
Other / undisclosed114%

Hiring activity

No recent openings observed

No roles tracked in the last 12 months

17 Oct 2025 · Biomedical Engineer, Immunoassay Systems Testing · Woburn

18 Sep 2025 · Engineer, Systems Testing (Immunoassays & Instrumentation) · Woburn

11 Aug 2025 · Senior Quality Assurance Engineer · Woburn

11 Mar 2025 · Principal Scientist, Assay Development · null

Based on job postings tracked across public sources.

Recent activity

30 Jun 2026
Product launch
SPEAR UltraDetectTM Mouse pTau 217 Assay Kit
29 Jun 2026
Event
AAIC2026
24 Jun 2026
Product launch
SPEAR UltraDetectTM Mouse NF-L
Coming soon