Three financings in one session, all pointed at the same physical problem. Eliyan raised a $145 million Series C at a $1 billion valuation to license technology and build physical chiplets that ease data transfer bottlenecks between AI dies. GlobalFoundries is set to receive $300 million in CHIPS Act funding to advance silicon photonics research aimed at more efficient AI data centers. ChipAgents raised a $60 million Series A2 led by B Capital, taking an expanded round to $134 million, to apply agents to chip design itself.