# Sienna Biopharmaceuticals

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/sienna-biopharmaceuticals

- Industry: Pharmaceuticals
- Headquarters: Westlake Village, US
- Website: www.siennabio.com
- Total disclosed funding: $86M
- Latest round: Series B (Apr 24, 2017)
- Investors on record: 6

## About

Founded in 2016 and based in California, United States, Sienna Biopharmaceuticals, Inc. operates as a developer of aesthetics and medical dermatology products for the treatment of inflammatory skin conditions and aesthetic concerns.

## Funding rounds

- Series B, Apr 24, 2017, $40M — ARCH Venture Partners, Altitude Life Science Ventures, Fidelity Investments, Partner Fund Management, Venvest Capital
- Series A, Jul 12, 2016, $12M — ARCH Venture Partners, Partner Fund Management, Two River
- Series A, Apr 28, 2016, $34M — ARCH Venture Partners, Altitude Life Science Ventures, Partner Fund Management, Venvest Capital

## Investors

- ARCH Venture Partners (https://capitalatlas.ai/funds/arch-venture-partners) — Series A, Series B
- Altitude Life Science Ventures (https://capitalatlas.ai/funds/altitude-life-science-ventures) — Series A, Series B
- Partner Fund Management — Series A, Series B
- Venvest Capital — Series A, Series B
- Two River (https://capitalatlas.ai/funds/two-river) — Series A
- Fidelity Investments (https://capitalatlas.ai/funds/fidelity-investments) — Series B