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ClearNote Health Secures $52 Million in Series D Financing, led by Mattias Westman, to enhance early cancer detection efforts.

PRIVATEMay 27, 2026

Amount Raised

$52 Million

Round Type

Series D

San DiegoBiotechnologyHealth CareMedical DeviceHealth Diagnostics

Investors

Sandy WeillDr. Stephen QuakeMattias Westman

Description

ClearNote Health has announced the close of $52 million in Series D financing to bolster its efforts in early cancer detection. The financing will aid in commercial expansion, clinical study execution, and product development. This round was led by investor Mattias Westman, along with contributions from several institutional investors. CEO Dave Mullarkey expresses confidence in the company's growth trajectory and market opportunity.

Who else raised in Medical Device and Health Diagnostics around the same time

Companies in the same sectors as ClearNote Health that raised within 45 days of this round, from Fundz verified event records.

  • Respiro Diagnostics raised $1.3M (Pre-Seed) on July 8, 2026.
  • Imagion Biosystems raised $2.8M (Post-IPO Equity) on June 25, 2026.
  • Grail raised $110M (Post-IPO Equity) on June 25, 2026.
  • Uncovr raised $7M (Seed) on June 10, 2026.
  • Captive Radiology raised an undisclosed amount on May 27, 2026.
  • Neurosoft Bioelectronics raised $7.5M (Seed) on May 20, 2026.

Who to call at ClearNote Health, and when

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Company Information

Company

ClearNote Health

Location

San Diego, California, United States

About

ClearNote Health is a privately held company dedicated to improving early detection and monitoring for some of the deadliest forms of cancer. Developed by scientists in the Stephen Quake laboratory at Stanford University, the company’s patented core Virtuoso® epigenomics platform utilizes advances in artificial intelligence and bioinformatics. Their noninvasive Avantect® tests are designed to identify cancers in high-risk patient populations far earlier than conventional approaches. ClearNote Health aims to enhance patient outcomes through innovative cancer detection technologies.

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Related People

4 contacts
Verified contactsMichele M., Strategic Accounts Director, WestSee plans and pricing
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ClearNote Health raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.

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