# Crossbow Therapeutics

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/crossbow-therapeutics

- Industry: Biotechnology
- Headquarters: Cambridge, US
- Website: www.crossbowtx.com
- Total disclosed funding: $115M
- Latest round: Series B (Mar 18, 2026)
- Investors on record: 12

## About

Based in Massachusetts, US, and founded in 2021, Crossbow Therapeutics, Inc operates as a biotechnology that develops antibodies for cancer treatment. The company was Co-founded by Geraldine Paulus and others. In March 2023, Crossbow Therapeutics, Inc. raised USD 37.57 million in series A funding co-led by MPM Capital, Pfizer Venture Investments, and BVF Partners. As of 2023, the company is led by its CEO Briggs Morrison.

The company develops antibody therapies to treat a broad range of cancers. The biotech company develops T-Bolt™ which helps T-cells receptor target cancer cells. The TCRm antibodies developed by the firm assemble T-Cell engagers and other immunotherapies which reduce tumors.

The company plans to use the March 2023 funding to support the development of its pipeline.

## Funding rounds

- Series B, Mar 18, 2026, $77M — Polaris Partners, Pfizer Venture Investments, Eli Lilly & Company, BVF Partners, Arkin Capital, Taiho Ventures, Sixty Degree Capital, Mirae Asset Capital, LifeLink Ventures, HSq
- Series A, Mar 29, 2023, $38M — Polaris Partners, MPM BioImpact, Pfizer Venture Investments, Eli Lilly & Company, BVF Partners, Mirae Asset Venture Investment, Mirae Asset Capital

## Investors

- Polaris Partners (https://capitalatlas.ai/funds/polaris-partners) — Series A, Series B
- MPM BioImpact (https://capitalatlas.ai/funds/mpm-bioimpact) — Series A
- Pfizer Venture Investments (https://capitalatlas.ai/funds/pfizer-venture-investments) — Series A, Series B
- Eli Lilly & Company — Series A, Series B
- BVF Partners (https://capitalatlas.ai/funds/bvf-partners) — Series A, Series B
- Mirae Asset Venture Investment (https://capitalatlas.ai/funds/mirae-asset-venture-investment) — Series A
- Mirae Asset Capital (https://capitalatlas.ai/funds/mirae-asset-capital) — Series A, Series B
- Arkin Capital (https://capitalatlas.ai/funds/arkin-capital) — Series B
- Taiho Ventures (https://capitalatlas.ai/funds/taiho-ventures) — Series B
- Sixty Degree Capital (https://capitalatlas.ai/funds/sixty-degree-capital) — Series B
- LifeLink Ventures — Series B
- HSq (https://capitalatlas.ai/funds/hsq) — Series B