# Pelage Pharmaceuticals

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/pelage-pharmaceuticals

- Industry: Biotechnology
- Headquarters: Los Angeles, US
- Website: www.pelagepharma.com/
- Total disclosed funding: $151M
- Latest round: Series B (Sep 18, 2025)
- Investors on record: 5

## About

Based in California, US, and founded in 2018 by co-founders William Lowry, heather Christofk, Michel Jung, Pelage Pharmaceuticals, Inc. operates as a medicine-based company providing treatments for hair loss including androgenetic alopecia and chemotherapy-induced-alopecia. In October 2025, Pelage Pharmaceuticals, Inc. raised USD 120 million in series B funding co-led by ARCH Venture Partners and GV, with participation from Main Street Advisors, Visionary Venture Fund, and YK Bioventures. Other unspecified investors also participated in the round.

Pelage Pharmaceuticals, Inc. developed a medicines-based platform to target the unique metabolic switch of hair follicle stem cells. The company’s mechanism, which is activated by a small molecule drug platform, stimulates robust hair growth without invasive procedures or systemic exposure. In addition, the firm’s treatment focus on androgenetic alopecia, chemotherapy, scarring alopecia, telogen effluvium, and alopecia areata to create hair, with a focus on molecular and stem cell biology.

The company plans to utilize the October 2025 funding for advancement of lead program PP405 clinical development.

## Funding rounds

- Series B, Sep 18, 2025, $120M — ARCH Venture Partners, GV, Visionary Venture Fund, Main Street Advisors, YK Bioventures
- Series A, Aug 12, 2024, $14M — GV, Visionary Venture Fund, Main Street Advisors, YK Bioventures
- Series A, Jun 20, 2023, $17M — GV, Visionary Venture Fund, Main Street Advisors, YK Bioventures

## Investors

- GV (https://capitalatlas.ai/funds/gv) — Series A, Series B
- Visionary Venture Fund (https://capitalatlas.ai/funds/visionary-venture-fund) — Series A, Series B
- Main Street Advisors (https://capitalatlas.ai/funds/main-street-advisors) — Series A, Series B
- YK Bioventures (https://capitalatlas.ai/funds/yk-bioventures) — Series A, Series B
- ARCH Venture Partners (https://capitalatlas.ai/funds/arch-venture-partners) — Series B