# Samsara BioCapital's Pharma Investments: 16 Startups in Its Portfolio (2026)

> The 16 Pharma startups Samsara BioCapital has backed, by stage: $2.6B raised between them. From the rounds we track; updated nightly.

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

## Series B

7

- [Allakos](https://millionrounds.com/company/allakos)
- [Claris Biotherapeutics](https://millionrounds.com/company/claris-biotherapeutics)
- [Pathalys Pharma](https://millionrounds.com/company/pathalys-pharma)
- [OrsoBio](https://millionrounds.com/company/orsobio)
- [Rain Oncology](https://millionrounds.com/company/rain-oncology)
- [Attralus](https://millionrounds.com/company/attralus)
- [Enara Bio](https://millionrounds.com/company/enara-bio)

## Stage not reported

7

- [Mineralys Therapeutics](https://millionrounds.com/company/mineralys-therapeutics)
- [Jade Biosciences](https://millionrounds.com/company/jade-biosciences)
- [Inventiva Pharma](https://millionrounds.com/company/inventiva-pharma)
- [HilleVax](https://millionrounds.com/company/hillevax)
- [Mereo Biopharma](https://millionrounds.com/company/mereo-biopharma)
- [Elevation Oncology](https://millionrounds.com/company/elevation-oncology)
- [Enlaza Therapeutics](https://millionrounds.com/company/enlaza-therapeutics)

## Series C and later

2

- [ACELYRIN](https://millionrounds.com/company/acelyrin)
- [Scholar Rock](https://millionrounds.com/company/scholar-rock)

## Segment by segment

### Series B

7 startups · $758M raised

- [**Allakos**](https://millionrounds.com/company/allakos) Allakos is a biotechnology company developing therapeutic antibodies targeting allergy, inflammatory and proliferative diseases. United States $294M
- [**Claris Biotherapeutics**](https://millionrounds.com/company/claris-biotherapeutics) Claris Biotherapeutics is a late-clinical stage biotechnology company based in Jersey City, New Jersey. United States $124M
- [**Pathalys Pharma**](https://millionrounds.com/company/pathalys-pharma) Pathalys Pharma is a private biopharmaceutical company based in Raleigh, North Carolina, founded in 2021. United States $105M
- [**OrsoBio**](https://millionrounds.com/company/orsobio) OrsoBio is a clinical-stage biopharmaceutical company focused on developing innovative therapies for severe metabolic disorders, i United States $67M
- [**Rain Oncology**](https://millionrounds.com/company/rain-oncology) Rain Oncology is a clinical-stage company focusing on research and development of innovative therapies for cancer patients. - $63M
- [**Attralus**](https://millionrounds.com/company/attralus) Attralus is a clinical-stage biopharmaceutical company focused on developing innovative medicines and diagnostics for systemic amyloidosis. United States $56M
- [**Enara Bio**](https://millionrounds.com/company/enara-bio) Enara Bio Limited, based in Oxford, United Kingdom, is a biotechnology company focused on developing innovative cancer immunotherapies. United Kingdom $49M

### Stage not reported

7 startups · $1.4B raised

- [**Mineralys Therapeutics**](https://millionrounds.com/company/mineralys-therapeutics) Mineralys Therapeutics is a clinical-stage biopharmaceutical company committed to developing therapy for the treatment of hypertension. United States $788M
- [**Jade Biosciences**](https://millionrounds.com/company/jade-biosciences) Jade Biosciences is developing transformative therapies to redefine the standard of care for inflammation and immunology indications. United States $195M
- [**Inventiva Pharma**](https://millionrounds.com/company/inventiva-pharma) Inventiva Pharma is a biopharmaceutical company with several drug candidates at clinical and preclinical stage. France $120M
- [**HilleVax**](https://millionrounds.com/company/hillevax) HilleVax is a biopharmaceutical company that focuses on the development and commercialization of novel vaccines. United States $100M
- [**Mereo Biopharma**](https://millionrounds.com/company/mereo-biopharma) Mereo is a new UK-based speciality biopharmaceutical company. United Kingdom $92M
- [**Elevation Oncology**](https://millionrounds.com/company/elevation-oncology) Elevation Oncology is a clinical-stage biopharmaceutical company focused on the development of precision medicines for patients. United States $50M
- [**Enlaza Therapeutics**](https://millionrounds.com/company/enlaza-therapeutics) Enlaza Therapeutics is a biotechnology company based in La Jolla, California, focused on developing covalent protein biologics for United States $15M

### Series C and later

2 startups · $467M raised

- [**ACELYRIN**](https://millionrounds.com/company/acelyrin) ACELYRIN is a biopharma company that identifies, acquires, and accelerates the development and commercialization of life-changing therapies. United States $300M
- [**Scholar Rock**](https://millionrounds.com/company/scholar-rock) Scholar Rock is a biopharmaceutical company that develops and discovers new medicines and treatments for the serious diseases. United States $167M

**How this map is made.** Every startup here works in Pharma and has raised money in a round we track that names Samsara BioCapital 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)

[Sector portfolio **Samsara BioCapital's Biotech portfolio** 62 startups · $11B](https://millionrounds.com/portfolio-maps/samsara-biocapital-biotech-portfolio)[Co-investors **Who invests with Samsara BioCapital** 68 co-investors](https://millionrounds.com/portfolio-maps/samsara-biocapital-co-investors)[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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