# Burrill & Company's Biotech Investments: 10 Startups in Its Portfolio (2026)

> The 10 Biotech startups Burrill & Company has backed, by stage: $246M raised between them. From the rounds we track; updated nightly.

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

## Series B

4

- [*N* Nucleonics](https://millionrounds.com/company/nucleonics)
- [*FB* FerroKin Biosciences](https://millionrounds.com/company/ferrokin-biosciences)
- [*NT* Nora Therapeutics](https://millionrounds.com/company/nora-therapeutics)
- [*SG* Spectral Genomics](https://millionrounds.com/company/spectral-genomics)

## Series A

4

- [*C* Cardiokine](https://millionrounds.com/company/cardiokine)
- [*AT* Arete Therapeutics](https://millionrounds.com/company/arete-therapeutics)
- [*OP* Osprey Pharmaceuticals USA](https://millionrounds.com/company/osprey-pharmaceuticals-usa)
- [Efficas](https://millionrounds.com/company/efficas)

## Stage not reported

2

- [ProteoGenix](https://millionrounds.com/company/proteogenix)
- [Emerald BioAgriculture Corporation](https://millionrounds.com/company/emerald-bioagriculture-corporation)

## Segment by segment

### Series B

4 startups · $109M raised

- [*N* **Nucleonics**](https://millionrounds.com/company/nucleonics) Nucleonics is a biotechnology company focused on RNA interference-based therapeutics. United States $49M
- [*FB* **FerroKin Biosciences**](https://millionrounds.com/company/ferrokin-biosciences) Ferrokin Biosciences develops and markets medical devices such as Iron Chelator for the treatment of iron-overload in patients. United States $30M
- [*NT* **Nora Therapeutics**](https://millionrounds.com/company/nora-therapeutics) Nora develops therapeutics to address unmet clinical needs in reproductive medicine. United States $21M
- [*SG* **Spectral Genomics**](https://millionrounds.com/company/spectral-genomics) Spectral Genomics, a pioneer in technology for the genome with headquarters in Houston, TX, is a global supplier of innovative products. United States $9.3M

### Series A

4 startups · $103M raised

- [*C* **Cardiokine**](https://millionrounds.com/company/cardiokine) Cardiokine, Inc., a specialty pharmaceutical company, engages in the development of pharmaceuticals for the prevention and treatme United States $37M
- [*AT* **Arete Therapeutics**](https://millionrounds.com/company/arete-therapeutics) Arete Therapeutics is a pharmaceutical company that develops small molecule therapeutics for diabetes and cardiovascular disease. United States $35M
- [*OP* **Osprey Pharmaceuticals USA**](https://millionrounds.com/company/osprey-pharmaceuticals-usa) Osprey Pharmaceuticals USA develops novel protein therapeutics for the treatment of inflammatory and immune diseases. United States $23M
- [**Efficas**](https://millionrounds.com/company/efficas) Efficas is a health-science and technology company. United States $7.9M

### Stage not reported

2 startups · $34M raised

- [**ProteoGenix**](https://millionrounds.com/company/proteogenix) ProteoGenix is a leading life sciences organization which provides services in molecular biology and immunology and in particular United States $28M
- [**Emerald BioAgriculture Corporation**](https://millionrounds.com/company/emerald-bioagriculture-corporation) Emerald BioAgriculture Corporation is a privately held company that develops biochemical products to increase crop production. United States $6.2M

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

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