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Spear Bio

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Offers opportunities for better detections with less invasive biospecimen collection

Woburn, United StatesFounded 2021Biotech & Life Sciences
Valuation $250–500M Last recorded · 2024
Headcount <100 Current team size
Total funding $50–100M Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for Spear Bio and the history behind them.

About Spear Bio

Spear Bio is a biotechnology startup that specializes in the detection of low abundance biomarkers, which are indicators of disease in the body. Their technology is particularly adept at identifying these biomarkers in the early stages of disease, with the ability to detect even single-digit counts of proteins per sample. This high level of precision is achieved through their proprietary 2-factor authentication detection technology.

The company's technology requires sub-microliter samples, which allows for minimally invasive sample collection. This makes it easier to conduct more tests from smaller samples, enabling broader scale research or screening, particularly in asymptomatic subjects.

Spear Bio's business model is based on providing this technology to labs, which can then use it to scale up testing for large groups of subjects. The technology is compatible with any non-proprietary qPCR instruments, meaning it can be easily automated on open liquid handling platforms. This flexibility allows labs to rapidly scale testing without needing to invest in proprietary instruments.

One of the company's key products is the NAB-Sure™ SARS CoV-2 Kit, which simplifies testing for SARS-CoV-2 neutralizing antibodies. The kit uses real-time PCR systems to produce both qualitative and quantitative measurements, combining high accuracy with unparalleled sensitivity.

In summary, Spear Bio operates in the biotechnology market, serving clients such as research labs and healthcare providers. Their business model is based on providing highly sensitive and precise biomarker detection technology, which can be easily integrated into existing lab setups. They generate revenue by selling their technology and testing kits to these clients.

Source: Dealroom company data

At a glance

Status
Operational
Founded
2021
Headquarters
Woburn, United States
Employees
54
Open positions
7
Dealroom signal
88.0/100
Industry
Health
Sub-industry
BioTechnology, Medical Devices, Health Platform
Sector
Biotech & Life Sciences, Biotechnology, Spinout, Biotech and Pharma, DT and LS, science-based
Business model
Manufacturing
Client focus
b2b

Funding history

5 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
SERIES AOther financing Jul 2024 $45M $180M Maverick Ventures · CDH Investments · Foresite Capital · Bio-Techne ↗
SEEDOther financing Nov 2023 $2.7M $15M CDH Investments · Yonghua Capital · Sequoia · Maverick Ventures ↗
Showing the latest 2 of 5 recorded eventsBook a demo for the full funding history →

Growth signals

Spear Bio website traffic

Latest recorded traffic for Spear Bio is 6.1K monthly website visits, up 90.6% over the last three months. Spear Bio's team grew 10.2% over the past year.

Latest monthly visits6.1K 3-month web change+90.6% 1-year team growth+10.2%
Summary metrics are public; monthly history is available with a demoCompare with peers →

Similar companies

Closest operating peers by Dealroom taxonomy

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Showing 8 of the closest matchesCompare every metric →

Investments and acquisitions

Capital deployed

Recent portfolio relationships for companies that also act as investors or acquirers.

Investors

7 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Seed4 investors entered at this stage

Series A2 investors entered at this stage

Other known investors1 additional known investor

  • Harvard University
Team profiled 5 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 3 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
1 countries with
team presence
🇺🇸 United States100%
1 country shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about Spear Bio on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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