# TCGX (TCG Crossover)

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

## TL;DR

TCGX is a crossover fund: it invests in private biotech companies in the round or two before they list, then keeps holding the shares as public investors. Several cancer drug developers in OnCo raised from it.

## Summary

TCG Crossover (TCGX) is a life-science investment firm founded by Chen Yu that specialises in crossover financings, the late private rounds that bridge a company to an initial public offering, and continues to hold and add positions after listing. It has been an anchor investor in a number of oncology crossover and Series B and C rounds since 2021. The firm's site does not state a street address, so only the region is recorded; portfolio links are derived from the startup records that name it.

## Fields

- Kind: Company
- Last checked: 2026-09-10
- Tags: vc
- HQ: San Francisco Bay Area, CA
- Type: investor
- Website: https://tcgcrossover.com

## Sources

- Official website: https://tcgcrossover.com

## Connected records

- companies: [Adcendo](https://onco.cc/companies/adcendo/), [Obsidian Therapeutics](https://onco.cc/companies/obsidian-therapeutics/), [Pheon Therapeutics](https://onco.cc/companies/pheon-therapeutics/)

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JSON: https://onco.cc/api/v1/entities/tcgx.json