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Preventive

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Researching gene editing to prevent inherited diseases

San Francisco, United StatesFounded 2025Biotech & Life Sciences
Valuation $100–250M Last recorded · 2025
Headcount <100 Current team size
Total funding $10–50M Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for Preventive and the history behind them.

About Preventive

Preventive is a public benefit corporation (PBC) conducting research into preventing genetic diseases before birth. The company's primary mission is to explore whether new gene-editing technologies, like CRISPR, can be used safely and responsibly to correct severe genetic conditions for future generations. Their stated goal is to determine through rigorous preclinical research if preventive gene editing can be developed safely to spare families from severe diseases. The company has affirmed that it will not proceed with clinical human use if safety cannot be thoroughly established and will not compromise safety standards to speed up timelines.

The company was announced in October 2025 by co-founder Lucas Harrington, who received his Ph.D. in the lab of CRISPR Nobel Laureate Jennifer Doudna and also co-founded Mammoth Biosciences. Other team members include Matt Krisiloff, CEO of Conception Biosciences; Peyton Randolph, a co-inventor of prime editing; and Dr. Paula Amato, former President of the American Society for Reproductive Medicine. Preventive has raised nearly $30 million from private funders to support its research.

Preventive operates in the biotechnology and genetic research market, focusing on a controversial area of science. The company's business is centered on research and development, with the potential future commercialization of gene-editing therapies if they are proven safe and effective. This approach aims to address the root genetic cause of diseases before symptoms emerge, a shift from managing symptoms after a disease has already developed.

Source: Dealroom company data

At a glance

Status
Operational
Founded
2025
Headquarters
San Francisco, United States
Employees
10
Open positions
2
Dealroom signal
91.4/100
Industry
Health
Sub-industry
BioTechnology
Sector
Biotech & Life Sciences, Genetics and genomics, Crispr, Gene Therapy, DT and LS, science-based
Business model
Manufacturing
Client focus
b2b

Funding history

1 recorded event

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
SEED✓Equity / VC Nov 2025 $30M $120M Undisclosed ↗
Showing the latest 1 of 1 recorded eventsBook a demo for the full funding history →

Growth signals

Preventive website traffic

Latest recorded traffic for Preventive is 1.8K monthly website visits, down 14.3% over the last three months. Preventive's team grew 100% over the past year.

Latest monthly visits1.8K 3-month web change-14.3% 1-year team growth+100%
Summary metrics are public; monthly history is available with a demoCompare with peers →

Investments and acquisitions

Capital deployed

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

Investors

1 investor on the cap table

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

Other known investors1 additional known investor

Team profiled 1 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 1 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 Preventive 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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