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Vyriad

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Oncolytic virus therapies for targeted cancer treatment

Rochester, United StatesFounded 2015Biotech & Life Sciences
Valuation $100–250M Last recorded · 2025
Headcount <100 Current team size
Total funding $50–100M Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for Vyriad and the history behind them.

About Vyriad

Vyriad is a clinical-stage biotechnology company focused on developing oncolytic virus-based therapies to treat various forms of cancer. The company was founded in 2015 by Dr. Stephen Russell, a physician-scientist from the Mayo Clinic, who serves as the CEO. Dr. Russell's extensive background in molecular medicine and his research on using the measles virus to infect and kill cancer cells laid the groundwork for Vyriad's core technology.

The company engineers viruses, such as the Vesicular Stomatitis Virus (VSV) and the measles virus, to selectively target and destroy cancer cells while sparing healthy tissues. This approach, known as oncolytic virotherapy, also stimulates the patient's immune system to recognize and fight the cancer. Vyriad's lead product candidates, including Voyager-V1 (derived from VSV) and its measles virus-based therapies, are being evaluated in multiple Phase 1 and Phase 2 clinical trials. These trials are testing the therapies both as monotherapies and in combination with other immuno-oncology drugs like immune checkpoint inhibitors.

Vyriad's clinical studies target a range of cancers, including non-small cell lung cancer, squamous cell carcinoma of the head and neck, colorectal cancer, breast cancer, and bladder cancer. The company collaborates with prominent research and medical institutions, such as the Mayo Clinic and Regeneron, to advance its clinical programs. Vyriad's business model revolves around the research, development, and eventual commercialization of its proprietary oncolytic virus platforms. The company has secured funding through various rounds, including a significant Series B financing, to support its ongoing clinical trials and research operations.

Source: Dealroom company data

At a glance

Status
Operational
Founded
2015
Headquarters
Rochester, United States
Employees
55
Open positions
4
Dealroom signal
82.0/100
Industry
Health
Sub-industry
BioTechnology
Sector
Biotech & Life Sciences, Biotechnology, Oncology, Biotech and Pharma, Hard Tech, DT and LS, science-based
Business model
Manufacturing

Funding history

5 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
SERIES BOther financing Dec 2025 $25M $148M Stine Seed ↗
SERIES BOther financing May 2022 $30M $118M Regeneron Pharmaceuticals · Mirae Asset Capital · Stine Seed · Mayo Clinic ↗
Showing the latest 2 of 5 recorded eventsBook a demo for the full funding history →

Growth signals

Vyriad website traffic

Latest recorded traffic for Vyriad is 2.9K monthly website visits, down 19.4% over the last three months. Vyriad's team grew 5.8% over the past year.

Latest monthly visits2.9K 3-month web change-19.4% 1-year team growth+5.8%
Summary metrics are public; monthly history is available with a demoCompare with peers →

Similar companies

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Investments and acquisitions

Capital deployed

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

Investors

5 investors on the cap table

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

Seed1 investor entered at this stage

  • Southeast Minnesota Capital Fund

Series A4 investors entered at this stage

  • Regeneron Pharmaceuticals
  • Stine Seed
  • Mirae Asset Capital
  • Mayo Clinic
Team profiled 4 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 3 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 Vyriad 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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