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Citizen Health raises $30 million Series A to build an AI advocate for every patient and enhance patient-centered healthcare.

PRIVATEAug 15, 2025

Amount Raised

$30 Million

Round Type

Series A

San MateoInformation TechnologyBiotechnologyHealth CareArtificial IntelligenceMedicalinformation technology & services

Investors

HeadlineTransformation Capital8 VC

Description

Citizen Health has raised $30 million in Series A funding to develop an AI advocate for every patient. The funding will accelerate the creation of technologies that improve patient-centered healthcare. The investment marks a significant step toward transforming how patients engage with health systems. Through this initiative, Citizen Health aims to empower individuals to take greater control of their health management.

Quick answer

Citizen Health raised $30 Million in a Series A round, dated August 15, 2025. Investors: Headline, Transformation Capital and 8 VC. Citizen Health is based in San Mateo, California, United States.

How much did Citizen Health raise?
Citizen Health raised $30 Million in a Series A round on August 15, 2025.
Who invested in Citizen Health?
Headline, Transformation Capital and 8 VC are named as investors in this round.
What does Citizen Health do?
Citizen Health is building the future of healthcare, starting with rare disease.
Where is Citizen Health based and how big is it?
Citizen Health is based in San Mateo, California, United States. Fundz records about 59 employees.
Who are the decision-makers at Citizen Health?
Fundz holds 1 contact at Citizen Health. Names and contact details are shown to Fundz members.

Source: Fundz verified event record.

Who else raised in Medical and information technology & services around the same time

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

  • Sophont raised $9.2M (Seed) on September 11, 2025.
  • Method AI raised $20M (Series A) on August 21, 2025.
  • Moberg Analytics raised an undisclosed amount (Seed) on July 29, 2025.
  • Positron raised $52M (Series A) on July 28, 2025.
  • Lucem Health raised $2.3M on July 8, 2025.
  • Primum raised an undisclosed amount (Seed) on September 25, 2025.

Who to call at Citizen Health, and when

A new round usually means Citizen Health is about to hire and buy. The teams that reach out first get the meeting.

  • An alert the day Citizen Health raises, hires an executive or expands, scored against what you sell
  • The decision-makers there, with verified emails
  • Who you already know at Citizen Health, from your own LinkedIn network

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Company Information

Company

Citizen Health

Location

San Mateo, California, United States

About

Citizen Health is building the future of healthcare, starting with rare disease. By combining AI, community, and longitudinal data, Citizen empowers patients to take control of their care and contribute to the richest research-grade dataset in healthcare. The company is headquartered in San Francisco, CA, and backed by leading investors including 8VC, Headline, Transformation Capital, the Chan Zuckerberg Initiative, and prominent angels.

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Fundz sees it the moment Citizen Health raises, hires an exec or expands, usually minutes after it happens, and tells you who to reach.

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Funding Insights

What this usually means
Typical timeline to Series B
Series A companies typically raise their next round in 10-18 months

Citizen Health raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.

145 of these a day, filtered to the companies you pick, with the decision-maker attached.

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