The first week of March was a relatively brisk period for large startup funding rounds, led by three deals of $500 million or more in the space tech and AI infrastructure sectors. In addition, we saw some good-sized deals around healthcare, neuroscience and enterprise software. 1. Sierra Space, $550M, space tech: Sierra Space, a space and defense tech company that designs and manufactures satellites, spacecraft and space subsystems, secured $550 million in equity funding led by LuminArx Capital Management. The financing sets an $8 billion valuation for the 5-year-old, Louisville, Colorado-based company. 2. (tied) Ayar Labs, $500M, AI infrastructure: Ayar Labs, a producer of co-packaged optics for use in AI infrastructure, landed $500 million in Series E funding led by Neuberger Berman. The financing sets a $3.75 billion valuation for the 11-year-old, San Jose, California-based company. 2. (tied) Vast, $500M, space tech: Long Beach, California-based Vast, a startup developing...
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