Lycia Therapeutics

Lycia Therapeutics

Degrades extracellular proteins with LYTAC platform

Overview

Lycia Therapeutics uses its LYTAC platform to degrade extracellular and membrane proteins, aiming to treat autoimmune and inflammatory diseases and cancer. LYTACs are two-part molecules: one end binds the target protein outside the cell and the other end engages a cell-surface receptor to route the complex to the lysosome for degradation. This approach reaches proteins that intracellular degraders cannot touch, such as membrane proteins and circulating targets. The company seeks to bring first-in-class LYTAC degraders into clinical trials and advance collaborations (including with Eli Lilly) to reach milestones and potential royalties.

About Lycia Therapeutics

Simplify's Rating
Why Lycia Therapeutics is rated
B-
Rated B on Competitive Edge
Rated B on Growth Potential
Rated C on Differentiation

Industries

Biotechnology

Healthcare

Company Size

11-50

Company Stage

Series D

Total Funding

$301.6M

Headquarters

South San Francisco, California

Founded

2020

Get referred to Lycia Therapeutics

See people who can refer or advise you

Simplify Jobs

Simplify's Take

What believers are saying

  • The June 2026 Series D funds LCA-0061 and LCA-0321 toward clinical proof-of-concept.
  • Eli Lilly remains a strategic collaborator and continuing investor, validating the platform.
  • Extracellular protein degradation addresses many previously undruggable targets across large disease areas.

What critics are saying

  • First-in-human data can expose weak target engagement or unexpected safety issues.
  • Omalizumab and other biologics set a high bar for allergy and Graves' differentiation.
  • Lycia depends heavily on one platform, so early clinical setbacks damage fundraising and partnerships.

What makes Lycia Therapeutics unique

  • Founded by Carolyn Bertozzi, the LYTAC platform targets extracellular proteins beyond PROTAC reach.
  • LYTACs use lysosomal trafficking to degrade soluble and membrane-bound disease drivers.
  • Lycia focuses initially on autoimmune, inflammatory, and allergic diseases with first-in-class degraders.

Help us improve and share your feedback! Did you find this helpful?

Funding

Total Funding

$301.6M

Above

Industry Average

Funded Over

4 Rounds

Series D funding is typically for companies that are already well-established but need more funding to continue their growth. This round is often used to stabilize the company or prepare for an IPO.
Series D Funding Comparison
Meet Average

Industry standards

$77M
$70M
Twilio
$75M
Lycia Therapeutics
$80M
Handshake
$100M
Affirm

Benefits

Remote Work Options

Growth & Insights

Headcount

6 month growth

0%

1 year growth

-9%

2 year growth

-2%

Recently Posted Jobs

Sign up to get curated job recommendations

Lycia Therapeutics is Hiring for 5 Jobs on Simplify!

Find jobs on Simplify and start your career today

Don't see your dream role? Check out thousands of other roles on Simplify. Browse all jobs →