Ayar Labs Adds $150M Series E Extension at $5B+, Brings 2026 Capital to $650M

Ayar Labs announced a $150M Series E extension on Sept 10, lifting 2026 primary capital to $650M and total outside funding above $1B, with strategic backers including Nvidia, AMD, Intel, MediaTek and Wiwynn. A concurrent $225M secondary priced the company above $5B, up 33% from its $3.75B March markup. CEO Mark Wade says the cash accelerates high-volume manufacturing of TeraPHY co-packaged optics for AI clusters, with a new Bengaluru design center and mass-market products targeted for early 2028.