Unpacking Peter Thiel’s big bet on solar-powered cow collars

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 includes 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 technology headlines. There is no agentic AI involved, no humanoid robots. There is, however, a very large and largely unsolved problem: How do you manage cattle spread across some of the most remote terrain on earth, without dogs, horses, motorbikes, or helicopters?