WellTheory, a digital health company for autoimmune disease, announced on Tuesday that it has raised $14 million in Series A funding, which will help the company scale and advance its AI.
Atherton, California-based WellTheory treats autoimmune conditions such as Addison’s disease, celiac disease, multiple sclerosis and lupus. Using a collaborative care model, it partners with patients’ physicians to deliver personalized plans focused on nutrition, stress, sleep and movement. The company offers video sessions, unlimited expert messaging and diagnostics. It serves both employers and health plans.
The Series A round was led by General Catalyst and included participation from 7wireVentures, Ingeborg Investments, Accel, Box Group, Leaps by Bayer and Up2 Opportunity Fund. In total, WellTheory has raised $26.2 million.
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“WellTheory is addressing the impact of autoimmune disease by recognizing the important role that diet and lifestyle can play in supporting patients. The platform is demonstrating how this kind of support can be delivered at scale, and this is just the beginning. It is expanding to integrate medical treatment and medication management, creating a more comprehensive model designed to improve patient experiences and strengthen system sustainability,” said Candace Richardson, partner at General Catalyst, in a statement. Richardson is joining WellTheory’s board.
The financing will help expand Welltheory’s partnerships with new and existing customers, according to Ellen Rudolph, CEO and co-founder of WellTheory.
“We’ll be expanding our programs for some of the most costly autoimmune conditions and accelerating the development of our AI capabilities,” she added in an email. “These efforts will help us deliver whole-person autoimmune care at scale — improving quality of life for our members while driving significant cost savings for our partners.”
Since launching in the commercial market about 18 months ago, WellTheory has secured several major employer clients, including Dayforce, Fortune Brands Innovations and Maven Clinic. It also announced in June that it is working with Sentara Health Plans.
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The funding announcement comes at a time when more than 50 million Americans battle autoimmune conditions, including rheumatoid arthritis, lupus and multiple sclerosis. The autoimmune treatment market is expanding rapidly, valued at more than $166 billion in 2024.
WellTheory ultimately aims to scale to meet this demand, according to Rudolph.
“We’re entering our next phase of growth, focused on expanding access to our model through new employer and payor partnerships, investing in AI that enables more precise and compassionate care, and continuing to build evidence for our outcomes. … Our north star remains the same: making high-quality, whole-person care for autoimmune disease accessible, affordable, and sustainable for patients and the healthcare system alike,” she said.
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