EpiBiologics Funding, Investors & Competitors

EpiBiologics has raised $180M across 3 funding rounds, most recently a $107M Series B in January 2026.

Last EpiBiologics funding round

$107M

Series B · Jan 2026

Cumulative funding EpiBiologics raised

$180M

across 3 funding rounds

Key investors in EpiBiologics

  • GV
  • Polaris Partners
  • Vivo Capital
  • Mubadala
  • Digitalis Ventures
  • Taiho Ventures
  • Codon Capital
  • Johnson & Johnson Innovation

EpiBiologics Overview

About EpiBiologics

EpiBiologics is a biotechnology company engineering antibody therapies targeting membrane and extracellular proteins in diseases like cancer and neurodegeneration. San Francisco-headquartered, the firm utilizes its EpiTAC platform to develop protein-degrading therapeutics for oncology and autoimmune disorders. EpiBiologics advances candidates through preclinical stages with partnerships in drug discovery.


Founded

2022

HQ

United StatesSan Francisco, CA

Status

Privately held

Customer focus

B2B

Revenue model

Licensing

EpiBiologics Funding History

EpiBiologics has raised a total of $180M across 3 funding rounds.

EpiBiologics' first fundraising round was a $50M Series A in March 2023. The most recent completed round was a $107M Series B in January 2026.

EpiBiologics funding rounds

EpiBiologics funding rounds
DateStageInvestorsRaisedDeal Summary
Jan 2026Series BGV (lead); Johnson & Johnson Innovation (lead); Digitalis Ventures; Novartis Venture Fund; Taiho Ventures; Polaris Partners; Vivo Capital; Avego Bioscience Capital; Samsara BioCapital; Aulis Capital; Mission BioCapital; Codon Capital$107MEpiBiologics, a San Mateo, California biotechnology company, closed a $107 million Series B financing on January 8, 2026. GV and Johnson & Johnson Innovation - JJDC co-led the round, with new investors Novartis Venture Fund, Aulis Capital, Avego BioScience Capital and Samsara BioCapital joining existing investors Polaris Partners, Digitalis Ventures, Taiho Ventures, Vivo Capital, Codon Capital and Mission BioCapital. The proceeds will take the lead program EPI-326 into first-in-human trials, support additional oncology and immunology programs and combinations with antibody-drug conjugates, and fund new hires including a chief medical officer and chief financial officer, with multiple years of runway. EpiBiologics develops tissue-selective extracellular protein degraders on its EpiTAC platform, building bispecific antibodies that degrade disease-driving membrane and soluble proteins in oncology and immunology. The company was launched in 2023 from research by University of California San Francisco professor Jim Wells with a $50 million Series A. EPI-326 is a bispecific antibody against cancerous forms of EGFR for lung and head and neck cancer, designed to localize degradation to tumors while sparing healthy tissue and so offer a better safety profile than existing EGFR therapies. EpiBiologics plans to name its second program later in 2026.
Jul 2023Series ADigitalis Ventures; Taiho Ventures; GV; Polaris Partners; Vivo Capital; Mubadala; Codon Capital$23MEpiBiologics extended its Series A financing in July 2023 with an additional $23 million from new investors Digitalis Ventures and Taiho Ventures and existing investor Codon Capital, bringing the total Series A to $73 million. The round followed a $50 million Series A launch in March 2023 backed by Mubadala Capital, Polaris Partners, Vivo Capital and GV. The company announced the appointment of Ann Lee-Karlon, a former Genentech executive and chief operating officer of Altos Labs, as chief executive officer and president alongside the extension. EpiBiologics was founded in 2022 on work by Jim Wells at UCSF and develops the EpiTAC platform, a modular antibody-based system for tissue-specific degradation of disease-driving membrane and extracellular proteins. Its programs target cancer, immunology and neurological diseases, and the funds support the platform and early pipeline programs.
Mar 2023Series AMubadala (lead); Polaris Partners (lead); GV; Vivo Capital$50MMubadala Capital and Polaris Partners co-led a USD 50 million Series A financing in EpiBiologics in March 2023, with participation from Vivo Capital and GV, as the company launched publicly. The round was later extended to USD 73 million in July 2023 with a further USD 23 million from Digitalis Ventures, Taiho Ventures and existing investor Codon Capital. EpiBiologics is a California biotechnology company developing an antibody-based protein degradation platform, EpiTAC, aimed at membrane and extracellular drug targets in areas such as oncology and immunology. The platform uses bispecific antibodies to direct disease-driving proteins to degradation, and the company said the financing would advance its platform and build its pipeline of bispecific antibody protein degraders toward the clinic. The company was founded in 2022 and stems from academic work by Dr. James Wells of the University of California, San Francisco. Financial terms beyond the amount raised, including valuation, were not disclosed.

Who has invested in EpiBiologics?

13 investors have backed EpiBiologics across its funding rounds, including GV, Polaris Partners, Vivo Capital, Mubadala, Digitalis Ventures and Taiho Ventures.

Lead investors include GV, Johnson & Johnson Innovation, Mubadala and Polaris Partners.


EpiBiologics Investors

Investors in EpiBiologics by funding rounds participated
InvestorHQRoundsRoleFirst check
GVUnited StatesSan Francisco, CA3LeadMar 2023
Polaris PartnersUnited StatesBoston, MA3LeadMar 2023
Vivo CapitalUnited StatesPalo Alto3ParticipantMar 2023
Digitalis VenturesUnited StatesNew York City, NY2ParticipantJul 2023
Taiho VenturesUnited StatesCalifornia City, CA2ParticipantJul 2023
MubadalaUAEAbu Dhabi2LeadMar 2023
Codon CapitalUnited StatesUnited States2ParticipantJul 2023
Novartis Venture FundSwitzerlandBeijing1ParticipantJan 2026
Avego Bioscience CapitalUnited StatesAlpharetta, GA1ParticipantJan 2026
Samsara BioCapitalUnited StatesSan Francisco, CA1ParticipantJan 2026
Aulis Capital--1ParticipantJan 2026

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EpiBiologics Competitors

EpiBiologics competitors include listed companies like Eli Lilly, Johnson & Johnson, AbbVie and Roche, and private ones like Biosplice Therapeutics and Intas Pharmaceuticals.

Public and private companies comparable to EpiBiologics
CompanyHQStatusRevenueEBITDAValuationRevenue Multiple
Eli LillyUnited StatesUnited StatesPublicly listed$65B$28B$1.2T14.3x
Johnson & JohnsonUnited StatesUnited StatesPublicly listed$94B$40B$665B6.9x
AbbVieUnited StatesUnited StatesPublicly listed$61B$17B$515B8.8x
RocheSwitzerlandSwitzerlandPublicly listed$78B$26B$382B5.3x
Biosplice TherapeuticsUnited StatesSan Diego, CAPrivate--$12B-
Intas PharmaceuticalsIndiaAhmedabadPrivate$2B-$8.5B-

EpiBiologics Public Comps

EpiBiologics is still privately-owned, but its public comps include Eli Lilly, Johnson & Johnson, AbbVie, Roche, Merck, Novartis, AstraZeneca, Amgen, Gilead Sciences and Novo Nordisk.

Last FYEV/RevenueEV/EBITDA
RevenueEBITDALast FYLTM2027ELast FYLTM2027E
Eli Lilly$65B$28B19.2x14.3x45.1x30.2x
Johnson & Johnson$94B$40B7.4x6.9x17.3x18.8x
AbbVie$61B$17B9.6x8.8x33.7x18.6x
Roche$78B$26B5.3x5.3x15.7x13.3x
Merck$65B$28B6.2x6.1x14.5x22.9x
Novartis$57B$22B6.1x6.1x15.9x14.8x
AstraZeneca$59B$19B5.4x5.1x16.5x14.2x
Amgen$37B$17B7.9x7.4x17.3x16.5x

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Common questions about EpiBiologics

When was EpiBiologics founded?EpiBiologics was founded in 2022.
Where is EpiBiologics headquartered?EpiBiologics is headquartered in San Francisco, CA, United States.
Is EpiBiologics publicly listed?No, EpiBiologics is a private, VC-backed company.
How much funding has EpiBiologics raised?EpiBiologics has raised $180M across 3 funding rounds.
What was EpiBiologics' last funding round?EpiBiologics' last funding round was a $107M Series B in January 2026, led by GV and Johnson & Johnson Innovation.
Who are EpiBiologics' investors?EpiBiologics' investors include GV, Polaris Partners, Vivo Capital, Digitalis Ventures, Taiho Ventures, Mubadala, Codon Capital, Novartis Venture Fund, Avego Bioscience Capital, Samsara BioCapital and 3 others.
Which companies are comparable to EpiBiologics?Companies comparable to EpiBiologics include Eli Lilly, Johnson & Johnson, AbbVie, Roche, Biosplice Therapeutics and Intas Pharmaceuticals.

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