Lumilens Raises $700M Series C at $5.51B Valuation

Lumilens, based in San Jose, California, is a connectivity platform for AI infrastructure that develops optical interconnect technology to bridge networking bottlenecks in data centers. The company announced it has raised over $700 million in a Series C financing round, bringing its total funding to more than $900 million at a valuation of $5.51 billion.

Investors

This round was co-led by Atreides Management, Bain Capital Ventures, Meritech, Seligman Ventures, and Spark Capital. Additional participants included Addition, Alkeon, Harbourvest, J.P. Morgan Private Capital, Mayfield, MVP Ventures, Qualcomm Ventures, Peak XV, Redpoint Ventures, and Seifdune.

Lumilens Use of Funds

The company plans to use the new capital to scale its production capacity, support its multi-billion-dollar customer commitments, and advance its manufacturing of scale-up and scale-out optical interconnects for AI data centers.

About Lumilens

Founded in 2024 by Ankur Singla and Ted Schmidt, Lumilens provides optical connectivity solutions including near-package and co-packaged optics along with pluggable transceivers. The company focuses on solving the connectivity constraints that limit the scaling of large AI GPU clusters.

Funding Details

Company Website: https://lumilens.com

Company: Lumilens
Raised: $700M
Round: Series C
Funding Date: August 2026
Lead Investor: Atreides Management, Bain Capital Ventures, Meritech, Seligman Ventures, Spark Capital
Additional Investors: Addition, Alkeon, Harbourvest, J.P. Morgan Private Capital, Mayfield, MVP Ventures, Qualcomm Ventures, Peak XV, Redpoint Ventures, Seifdune
Software Category: AI Infrastructure