Satellite manufacturer K2 Space has raised $500 million in a Series D round that values the company at $6.8 billion, as Bloomberg first reported on July 30, 2026. Kleiner Perkins and Iconiq co-led the round, with Lightspeed Venture Partners, Alphabet’s growth fund CapitalG, and Altimeter Capital Management among the other backers. The valuation is the part worth sitting with. K2 announced a $250 million Series C at a $3 billion valuation in December 2025, led by Redpoint. Seven months on, a new…