# Advanced Technology Ventures' Biotech Investments: 10 Startups in Its Portfolio (2026)

> The 10 Biotech startups Advanced Technology Ventures has backed, by stage: $1.2B raised between them. From the rounds we track; updated nightly.

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

## Series C and later

4

- [Calithera Biosciences](https://millionrounds.com/company/calithera-biosciences)
- [*P* PowerVision](https://millionrounds.com/company/powervision)
- [Hydra Biosciences](https://millionrounds.com/company/hydra-biosciences)
- [*P* Percardia](https://millionrounds.com/company/percardia)

## Growth

3

- [Gynesonics](https://millionrounds.com/company/gynesonics)
- [GI Dynamics](https://millionrounds.com/company/gi-dynamics)
- [*FP* Five Prime Therapeutics](https://millionrounds.com/company/five-prime-therapeutics)

## Stage not reported

3

- [EndoGastric Solutions](https://millionrounds.com/company/endogastric-solutions)
- [*E* EndoGastric](https://millionrounds.com/company/endogastric)
- [*H* Helixis](https://millionrounds.com/company/helixis)

## Segment by segment

### Series C and later

4 startups · $330M raised

- [**Calithera Biosciences**](https://millionrounds.com/company/calithera-biosciences) Calithera Biosciences is a pharmaceutical company developing novel small molecule therapeutics for the treatment of cancer. United States $115M
- [*P* **PowerVision**](https://millionrounds.com/company/powervision) PowerVision is a device company developing implantable intraocular lenses. United States $108M
- [**Hydra Biosciences**](https://millionrounds.com/company/hydra-biosciences) Hydra Biosciences is a biopharmaceutical company based in Cambridge, Massachusetts, founded in 2001. United States $95M
- [*P* **Percardia**](https://millionrounds.com/company/percardia) Percardia is a medical device company that develops therapies for the treatment of coronary artery disease. United States $13M

### Growth

3 startups · $516M raised

- [**Gynesonics**](https://millionrounds.com/company/gynesonics) Gynesonics develops transcervical, uterus-preserving, incision-less technologies for diagnostic and therapeutic applications. United States $214M
- [**GI Dynamics**](https://millionrounds.com/company/gi-dynamics) GI Dynamics is a medical device company developing therapies for the treatment of type 2 diabetes and related metabolic diseases. United States $156M
- [*FP* **Five Prime Therapeutics**](https://millionrounds.com/company/five-prime-therapeutics) FivePrime is a clinical-stage biotechnology company that develops treatments for cancers. United States $146M

### Stage not reported

3 startups · $340M raised

- [**EndoGastric Solutions**](https://millionrounds.com/company/endogastric-solutions) EndoGastric Solutions is a medical device company based in Redmond, Washington. United States $293M
- [*E* **EndoGastric**](https://millionrounds.com/company/endogastric) United States $31M
- [*H* **Helixis**](https://millionrounds.com/company/helixis) Helixis, Inc. United States $17M

**How this map is made.** Every startup here works in Biotech and has raised money in a round we track that names Advanced Technology Ventures 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)

[Co-investors **Who invests with Advanced Technology Ventures** 29 co-investors](https://millionrounds.com/portfolio-maps/advanced-technology-ventures-co-investors)[Portfolio map **Advanced Technology Ventures portfolio map** 20 startups · $2.0B](https://millionrounds.com/portfolio-maps/advanced-technology-ventures-portfolio-map)[Sector portfolio **Techstars' AI portfolio** 336 startups · $4.9B](https://millionrounds.com/portfolio-maps/techstars-ai-portfolio)[Sector portfolio **Alumni Ventures' AI portfolio** 302 startups · $36B](https://millionrounds.com/portfolio-maps/us-strategic-tech-fund-an-alumni-ventures-fund-ai-portfolio)[Sector portfolio **Andreessen Horowitz's AI portfolio** 259 startups · $426B](https://millionrounds.com/portfolio-maps/andreessen-horowitz-ai-portfolio)[Sector portfolio **General Catalyst's AI portfolio** 226 startups · $179B](https://millionrounds.com/portfolio-maps/general-catalyst-ai-portfolio)

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