# Prellis Biologics

Source: https://onco.cc/companies/prellis-biologics/  
OnCo record `prellis-biologics` (Company). Data CC BY-NC 4.0, attribute "Data from OnCo (onco.cc)"; commercial use needs a licence.

## TL;DR

A San Francisco company that finds human antibodies by growing small 3D-printed copies of lymph nodes in the laboratory and screening what they make, with machine learning to pick the best ones.

## Summary

Prellis Biologics states that it combines human biology with machine learning to discover antibody medicines, using a bioprinted lymph node organoid (LNO) platform, which it calls EXIS, to reproduce human immune responses in vitro and mine the human antibody repertoire (Prellis website). Its SEC Form D filings give a San Francisco business address, Delaware incorporation and 2017 as the year of incorporation (SEC EDGAR, CIK 1711459).

## Fields

- Kind: Company
- Last checked: 2026-11-05
- Also known as: Prellis Biologics, Inc; Prellis
- Tags: antibody-discovery
- HQ: San Francisco, CA
- Type: biotech
- Website: https://www.prellisbio.com

## Sources

- Prellis Biologics website: https://www.prellisbio.com/
- SEC EDGAR filings, Prellis Biologics (CIK 1711459): https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1711459

## Connected records

- people: [Cassian Yee](https://onco.cc/people/cassian-yee/)

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