Founders Fund has made its name backing what Peter Thiel calls “zero to one” companies — businesses that don’t just improve on existing ideas but create something entirely new. Its portfolio has included Facebook, SpaceX, and Palantir. Its latest bet is a New Zealand startup that puts solar-powered smart collars on cows. Halter, which closed a $220 million Series E at a $2 billion valuation last month, with Founders Fund leading the round, isn’t the kind of company that tends to dominate tech he...