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Delfi Diagnostics

Delfi Diagnostics

Private
Baltimore, MarylandHealthcare & Life Scienceshttps://delfidiagnostics.com/

Last Round

VC Round

Dec 18, 2025

Total Funding Raised

$330.5M

Company Overview

Delfi Diagnostics is a biotechnology company that develops high-performance, accessible blood-based tests for the early detection of cancer using machine learning to analyze cell-free DNA fragmentation patterns.

Sector

Healthcare & Life Sciences

Verticals

Biotechnology, Precision Medicine, Clinical Trials, Healthcare Analytics

Business Model

B2B

Customer Profile

Usage-Based SaaS

AI Layer

Application

Keywords

liquid biopsyearly cancer detectionfragmentome analysiscell-free DNAcfDNAcancer screeningprecision oncologylaboratory-developed testLDTblood-based diagnosticscancer blood testlung cancer screeningdiagnostic AIclinical diagnosticsbiotech startup

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Delfi Diagnostics Comparables

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Delfi Diagnostics comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
PrognomiQ
86%
Harbinger Health
84%
Mercy BioAnalytics
82%

Delfi Diagnostics Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
VC RoundDec 18, 2025
Corporate FundingJun 4, 2024
Series BJul 18, 2022
Series AJan 12, 2021
SeedAug 1, 2019

Key People

Founding team and executive leadership

Susan Tousi

CEO

Executive Team

Delfi Diagnostics Investors

Notable investors and investment history

Delfi Diagnostics investors
InvestorRounds
PTX CapitalSeries B
Brown AdvisorySeries B
Bollinger Investment GroupSeries A
TD SecuritiesSeries B, Series A
Blue Owl CapitalSeries B, Series A
Osage University PartnersSeries B
OrbiMedSeries B, Series A

Market signals

Structured signals derived from secondary market and firmographic data.

  • Apr 17, 2026

    Five poster presentations at AACR 2026 Annual Meeting.

  • Apr 6, 2026

    Showcasing advances to whole-genome cfDNA platform at AACR 2026.

Delfi Diagnostics Filings

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Delfi Diagnostics filings preview — column headings only; records require access
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Frequently Asked Questions

Common questions about Delfi Diagnostics's valuation, stock price, and market status.

Is Delfi Diagnostics a public or private company?

Delfi Diagnostics is a private company.

What is the current stock price of Delfi Diagnostics?

Delfi Diagnostics is a private company with no public stock price. No recent secondary market data is available.

How much is Delfi Diagnostics worth (valuation)?

Valuation information for Delfi Diagnostics is not publicly available.

Can I buy Delfi Diagnostics stock?

Delfi Diagnostics shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.

When was Delfi Diagnostics's last funding round?

Delfi Diagnostics's most recent funding round was Series B on July 18, 2022.

Who are the main investors in Delfi Diagnostics?

Key investors in Delfi Diagnostics include OrbiMed, DFJ Growth, Menlo Ventures.

Will Delfi Diagnostics IPO soon?

No public IPO plans have been announced for Delfi Diagnostics.

How can I track Delfi Diagnostics secondary market activity?

Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Delfi Diagnostics's secondary market activity and sign up for updates.

Firmographic Details

HeadquartersBaltimore, Maryland
Employee Range96
Year Founded2019
Last FundingDec 18, 2025

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