# Lightmatter

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/lightmatter

- Industry: Electronics
- Headquarters: Mountain View, US
- Website: www.lightmatter.co
- Total disclosed funding: $772M
- Latest round: Series D (Oct 11, 2024)
- Investors on record: 10

## About

Founded in 2017 by Darius Bunandar, Nicholas Harris, and Thomas Graham and based in Mountainview, CA, Lightmatter, Inc., specializes in advanced photonic computing solutions, enhancing high-performance computing for AI applications through innovative products. Lightmatter, Inc. raised a total of USD 771.82 million across 7 rounds of funding, with the most recent deal being a series D round led by T. Rowe Price, in which USD 400 million was raised. The latter round of funding values Lightmatter, Inc. at USD 4.4 billion. Lightmatter specializes in advanced photonic computing solutions, offering products like the Passage M1000 3D Photonic Superchip and the Passage L200 3D Co-Packaged Optics. These utilize a 16-wavelength bidirectional optical DWDM link on standard single-mode fiber, significantly enhancing bandwidth density and scalability in AI data centers.Operating in the B2B sector, Lightmatter sells its photonic solutions to data centers and technology firms engaged in AI research and development. Their business model involves direct sales of Passage photonic chips and lasers, often involving complex contract negotiations with clients for multi-year contracts or project-based agreements.

## Funding rounds

- Series D, Oct 11, 2024, $350M — T Rowe Price, Fidelity Investments, GV
- Series C, Dec 18, 2023, $155M — Viking Global Investors, GV, Strategic Incubation Partners
- Series C, May 31, 2023, $153M — Viking Global Investors, Fidelity Investments, GV, Strategic Incubation Partners, Hewlett Packard Pathfinder, Aliya Capital Partners
- Series B, May 6, 2021, $80M — Matrix Partners, Spark Capital, Viking Global Investors, GV, Strategic Incubation Partners, Hewlett Packard Pathfinder, Lockheed Martin Ventures
- Series A, Feb 25, 2019, $22M — Matrix Partners, Spark Capital, GV
- Series A, Dec 21, 2017, $11M — Matrix Partners, Spark Capital

## Investors

- Matrix Partners (https://capitalatlas.ai/funds/matrix-partners) — Series A, Series B
- Spark Capital — Series A, Series B
- GV (https://capitalatlas.ai/funds/gv) — Series A, Series B, Series C, Series D
- Viking Global Investors (https://capitalatlas.ai/funds/viking-global-investors) — Series B, Series C
- Strategic Incubation Partners (https://capitalatlas.ai/funds/strategic-incubation-partners) — Series B, Series C
- Hewlett Packard Pathfinder (https://capitalatlas.ai/funds/hewlett-packard-pathfinder) — Series B, Series C
- Lockheed Martin Ventures (https://capitalatlas.ai/funds/lockheed-martin-ventures) — Series B
- Fidelity Investments (https://capitalatlas.ai/funds/fidelity-investments) — Series C, Series D
- Aliya Capital Partners — Series C
- T Rowe Price (https://capitalatlas.ai/funds/t-rowe-price) — Series D