Ayar Labs Raises $500M, Reaching $3.75B Valuation

Ayar Labs, a US optical interconnect company, said on March 3, 2026 that it had raised $500 million in a Series E round, bringing its post-money valuation to $3.75 billion. Led by Neuberger Berman, the round pushes the company's total funding to about $870 million. As investment pours into chip and component makers promising more efficient AI, the newcomer looking to compete with NVIDIA and other incumbents has topped up its war chest. Funding details