EpiBiologics Funding, Investors & Competitors

EpiBiologics has raised $203M 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

$203M

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 $203M across 3 funding rounds.

EpiBiologics' first fundraising round was a $73M 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 is a biotechnology company based in San Mateo, California, specializing in tissue-selective extracellular protein degradation using its EpiTAC platform to develop novel bispecific antibodies that selectively degrade disease-driving membrane and soluble protein targets in oncology and immunology. The company was launched in 2021 or 2023 from research by University of California San Francisco professor Jim Wells and previously raised a $50 million Series A round. Its lead program, EPI-326, is a bispecific antibody targeting cancerous forms of EGFR for lung cancer and head and neck cancer, designed to localize degradation to tumors while sparing healthy tissue, with plans to enter first-in-human clinical trials in early 2026. On January 8 or 12, 2026, EpiBiologics closed a $107 million Series B financing round co-led by GV (Google Ventures) and Johnson & Johnson Innovation – JJDC, Inc., matching the specified investors including new participants Novartis Venture Fund, Aulis Capital, Avego BioScience Capital, and Samsara BioCapital, alongside existing investors Polaris Partners, Digitalis Ventures, Taiho Ventures, Vivo Capital, Codon Capital, and Mission BioCapital. The proceeds will advance the pipeline, including EPI-326 into clinical trials, support additional programs in oncology and immunology, combinations with antibody-drug conjugates, and company expansion including new hires for chief medical officer and chief financial officer roles, providing multiple years of runway. The company positions its degraders as differentiated from existing EGFR therapies by offering improved safety profiles through tissue selectivity. EpiBiologics plans to name its second program later in 2026 and emphasizes orthogonal approaches and combinations to address evolving cancer treatments.
Jul 2023Series ADigitalis Ventures; Taiho Ventures; GV; Polaris Partners; Vivo Capital; Mubadala; Codon Capital$23MEpiBiologics, a biotechnology company founded in 2022 based on pioneering work from Dr. Jim Wells at UCSF, develops the EpiTAC platform—a modular antibody-based system for tissue-specific degradation of disease-driving membrane and extracellular proteins, targeting applications in cancer, immunology, and neurological diseases. The company launched in March 2023 with a $50 million Series A financing led by Mubadala Capital, Polaris Partners, Vivo Capital, and GV. On July 20, 2023, EpiBiologics extended its Series A by raising an additional $23 million from new investors Digitalis Ventures, Taiho Ventures, and existing investor Codon Capital, bringing the total Series A to $73 million. Ann Lee-Karlon, Ph.D., was appointed CEO and President alongside the financing extension, tasked with expanding the EpiTAC platform, forging collaborations, and advancing the pipeline of bispecific antibody protein degraders. The funds support progression of the platform and early pipeline programs. EpiBiologics later raised a $107 million Series B in 2025 co-led by GV and Johnson & Johnson Innovation–JJDC to advance its pipeline, including lead program EPI-326—a bispecific antibody for degrading cancerous EGFR in lung and head & neck cancers—into first-in-human trials in early 2026. The Series B included participation from prior investors like Polaris Partners and new ones such as Novartis Venture Fund and Samsara BioCapital, highlighting the platform's potential in oncology and immunology.
Mar 2023Series AMubadala (lead); Polaris Partners (lead); GV; Vivo Capital$73MEpiBiologics is a San Mateo, California-based biotechnology company founded in 2021-2022, developing tissue-selective extracellular protein degradation therapies via its proprietary EpiTAC platform, a modular bispecific antibody system targeting disease-driving membrane and soluble proteins in oncology and immunology. The platform enables precise degradation in a tissue-specific manner, with lead program EPI-326 advancing toward a first-in-human clinical trial in early 2026 for non-small cell lung cancer and head and neck squamous cell carcinoma. The company also pursues bispecific antibodies, antibody-drug conjugates, and combination approaches for cancer and immune diseases. Later $107M Series B in 2025 (date not specified) was co-led by GV and Johnson & Johnson Innovation–JJDC, with participation from Novartis Venture Fund, Aulis Capital, Avego BioScience Capital, Samsara BioCapital, and existing investors including Polaris Partners, Digitalis Ventures, Taiho Ventures, Vivo Capital, Codon Capital, and Mission BioCapital. Traction includes pipeline advancement, with EPI-326 noted for potential safety advantages by selectively degrading tumor-specific EGFR while sparing healthy tissue. Leadership additions in 2025 featured Eric Humke as chief medical officer and Aaron Mishel as chief financial officer. EpiBiologics stems from pioneering work by UCSF founder Dr. Jim Wells and is backed by leading healthcare investors.

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 StatesUnited States3ParticipantMar 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 Merck, and private ones like Biosplice Therapeutics and Biocon Biologics.

Public and private companies comparable to EpiBiologics
CompanyHQStatusRevenueEBITDAValuationRevenue Multiple
Eli LillyUnited StatesUnited StatesPublicly listed$65B$28B$1.0T13.1x
Johnson & JohnsonUnited StatesUnited StatesPublicly listed$94B$40B$651B6.8x
AbbVieUnited StatesUnited StatesPublicly listed$61B$17B$467B8.1x
MerckUnited StatesUnited StatesPublicly listed$65B$28B$363B6.2x
Biosplice TherapeuticsUnited StatesSan Diego, CAPrivate--$12B-
Biocon BiologicsIndiaBangalorePrivate$1.1B-$4.5B4.2x

EpiBiologics Public Comps

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

Last FYEV/RevenueEV/EBITDA
RevenueEBITDALast FYLTM2027ELast FYLTM2027E
Eli Lilly$65B$28B16.5x13.1x38.7x27.0x
Johnson & Johnson$94B$40B7.2x6.8x17.0x18.3x
AbbVie$61B$17B8.7x8.1x30.6x17.6x
Merck$65B$28B6.3x6.2x14.7x21.0x
Roche$77B$26B5.0x4.9x14.6x12.4x
Novartis$57B$22B5.5x5.5x14.2x13.3x
AstraZeneca$59B$19B4.8x4.5x14.6x12.7x
Amgen$37B$17B6.8x6.5x14.8x14.4x

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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 $203M 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, Merck, Biosplice Therapeutics and Biocon Biologics.

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