Click to view a price quote on RBLX. : Alphabet's  (GOOGL) - Get Report self-driving unit, Waymo, raised $2.5 billion from investors including Alphabet itself, Andreessen Horowitz, Silver Lake, and Tiger Global, among others. The company is now valued at just over $30 billion by some estimates, Reuters reported. Alphabet hasn't disclosed a valuation for Waymo. "Our mission is to make it safe and easy for people and things to get where they’re going, and we’re grateful to our investors for believing in this mission, in our technology, and in us," the company said in a blog post Wednesday.