ARCH Venture Partners XII, LLC, Ten Percent Owner at Neumora Therapeutics, Inc., holds 15.46M shares in Prime Medicine, Inc. (Ticker: PRME), holds 31.93M shares in Neumora Therapeutics, Inc. (Ticker: NMRA). Most recently, ARCH Venture Partners XII, LLC Bought ― shares of Prime Medicine, Inc. on Feb 20, 2024 for an estimated value of 20.00M.