TellBio Inc.

Private

Beverly, MassachusettsHealthcare & Life Scienceshttps://tellbio.com/

Last Round

Seed Round

Mar 24, 2026

Total Funding Raised

$10.27M

Company Overview

TellBio Inc. is a biotechnology company that provides a liquid biopsy platform to revolutionize the detection and treatment of cancer through its circulating tumor cells (CTCs) technology.

Sector

Healthcare & Life Sciences

Verticals

Biotechnology, Medical Devices, Precision Medicine, Drug Discovery

Business Model

B2B

Customer Profile

Services & Consulting, Data as a Service

AI Layer

Non-AI

Keywords

circulating tumor cellsCTCliquid biopsymicrofluidicscancer diagnosticsmetastatic cancerdrug developmentprecision medicinebiotechlab-on-a-chiponcology researchbiomarker discoverytherapeutic responsecancer monitoringtranslational medicine

Historical Pricing

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TellBio Inc. Comps

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TellBio Inc. comps — public and private peers by sector, stage, and business model
Company	Status	Est. Valuation	Rev Multiple
OpenAI	Private	$86.0B	~40x
Cohere	Private	$5.0B	--
Competitor 1	Public	$XX.XB	XXx
Competitor 2	Public	$XX.XB	XXx

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TellBio Inc. Funding Rounds

Historical fundraising activity

Data table
Round	Date	Amount Raised	Valuation	Investors	Sources
Seed Round	Mar 24, 2026
VC Round	Jul 6, 2024
Series A Extension	Mar 29, 2023
Series A	May 10, 2021
Seed	Feb 5, 2021
Seed	Nov 4, 2019

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TellBio Inc. Investors

Notable investors and investment history

TellBio Inc. investors
Investor	Rounds
National Foundation for Cancer Research	VC Round, Series A
Crocker Ventures	VC Round, Series A

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Market signals

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May 10, 2021
$5M round completed.
Feb 5, 2021
$1.48M raised in Seed funding.

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TellBio Inc. Filings

SEC and related filings with document metadata.

Data table
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TellBio Inc. Filings

SEC and related filings with document metadata.

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Firmographic Details

HeadquartersBeverly, Massachusetts

Employee Range5

Year Founded2021

Last FundingMar 24, 2026

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