# Brandon Capital's Biotech Investments: 14 Startups in Its Portfolio (2026)

> The 14 Biotech startups Brandon Capital has backed, by stage: $1.1B raised between them. From the rounds we track; updated nightly.

Source: https://millionrounds.com/portfolio-maps/brandon-capital-biotech-portfolio (Millionrounds; every figure on the page links to its filing or article)

## Series B

4

- [Pheon Therapeutics](https://millionrounds.com/company/pheon-therapeutics)
- [Pathios Therapeutics](https://millionrounds.com/company/pathios-therapeutics)
- [ENA Respiratory](https://millionrounds.com/company/ena-respiratory)
- [Aravax](https://millionrounds.com/company/aravax)

## Series C and later

4

- [AdvanCell](https://millionrounds.com/company/advancell)
- [Vaxxas](https://millionrounds.com/company/vaxxas)
- [Allay Therapeutics](https://millionrounds.com/company/allay-therapeutics)
- [PolyActiva](https://millionrounds.com/company/polyactiva)

## Pre-seed and seed

2

- [Amaroq Therapeutics](https://millionrounds.com/company/amaroq-therapeutics)
- [Mirugen](https://millionrounds.com/company/mirugen)

## Series A

2

- [AstronauTx](https://millionrounds.com/company/astronautx)
- [Myricx Bio](https://millionrounds.com/company/myricx-bio)

## Stage not reported

2

- [Okogen](https://millionrounds.com/company/okogen)
- [TamoRx](https://millionrounds.com/company/tamorx)

## Segment by segment

### Series B

4 startups · $200M raised

- [**Pheon Therapeutics**](https://millionrounds.com/company/pheon-therapeutics) Pheon Therapeutics is a biotechnology company focused on developing next-generation Antibody-Drug Conjugates (ADCs) aimed at treat United Kingdom $120M
- [**Pathios Therapeutics**](https://millionrounds.com/company/pathios-therapeutics) Pathios Therapeutics is a clinical-stage biotechnology company based in Oxford, UK, founded in 2017. United Kingdom $34M
- [**ENA Respiratory**](https://millionrounds.com/company/ena-respiratory) Ena Respiratory researches and develops solutions to transform the treatment and prevention of respiratory infections. Australia $24M
- [**Aravax**](https://millionrounds.com/company/aravax) Aravax is a clinical-stage biotechnology company focused on developing innovative immunotherapies for food allergies. Australia $22M

### Series C and later

4 startups · $620M raised

- [**AdvanCell**](https://millionrounds.com/company/advancell) AdvanCell is radiopharmaceutical firm that has developed the Targeted Alpha Therapy platform technology, a cutting-edge cancer treatment. Australia $438M
- [**Vaxxas**](https://millionrounds.com/company/vaxxas) Vaxxas Pty Ltd is a clinical-stage biotechnology company based in Brisbane, Queensland, Australia. Australia $89M
- [**Allay Therapeutics**](https://millionrounds.com/company/allay-therapeutics) Allay Therapeutics is a clinical-stage biotechnology company based in San Jose, California, with operations in Singapore. United States $58M
- [**PolyActiva**](https://millionrounds.com/company/polyactiva) PolyActiva is a Melbourne-based biotechnology company founded in 2010, specializing in innovative drug delivery technology for oph Australia $35M

### Pre-seed and seed

2 startups · $13M raised

- [**Amaroq Therapeutics**](https://millionrounds.com/company/amaroq-therapeutics) Amaroq Therapeutics is a biotechnology company based in New Zealand that focuses on developing innovative cancer therapeutics targ New Zealand $9.7M
- [**Mirugen**](https://millionrounds.com/company/mirugen) Mirugen is a preclinical biotechnology company identifying the optimal set of cellular instructions to ask one cell type to become another. Australia $2.9M

### Series A

2 startups · $239M raised

- [**AstronauTx**](https://millionrounds.com/company/astronautx) AstronauTx Ltd. United Kingdom $124M
- [**Myricx Bio**](https://millionrounds.com/company/myricx-bio) Myricx Bio is a biotechnology company that develops novel NMT inhibitor payloads for ADCs to treat cancer. United Kingdom $115M

### Stage not reported

2 startups · $23M raised

- [**Okogen**](https://millionrounds.com/company/okogen) Okogenis is a developer of ophthalmic anti-infective drugs. United States $13M
- [**TamoRx**](https://millionrounds.com/company/tamorx) TamoRx is a Biotech company that is focused on research and development of biological mechanism within cells for cancer treatment. New Zealand $9.9M

**How this map is made.** Every startup here works in Biotech and has raised money in a round we track that names Brandon Capital as an investor. Each sits under the stage of its latest round. Rebuilt nightly; updated 15 November 2026.

## More portfolio maps

[All portfolios](https://millionrounds.com/portfolio-maps)

[Portfolio map **Brandon Capital portfolio map** 22 startups · $1.3B](https://millionrounds.com/portfolio-maps/brandon-capital-portfolio-map)[Sector portfolio **Airtree Ventures' AI portfolio** 22 startups · $414M](https://millionrounds.com/portfolio-maps/airtree-ai-portfolio)[Sector portfolio **1Up Ventures' Gaming portfolio** 18 startups · $119M](https://millionrounds.com/portfolio-maps/1up-ventures-gaming-portfolio)[Sector portfolio **Carthona Capital's Fintech portfolio** 14 startups · $138M](https://millionrounds.com/portfolio-maps/carthona-capital-fintech-portfolio)[Sector portfolio **Main Sequence Ventures' AI portfolio** 11 startups · $138M](https://millionrounds.com/portfolio-maps/main-sequence-ai-portfolio)[Sector portfolio **Y Combinator's AI portfolio** 1,143 startups · $44B](https://millionrounds.com/portfolio-maps/y-combinator-ai-portfolio)

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