Peter Thiel’s Founders Fund has always aimed higher than most—it searches for startups leaping not from idea to idea, but from the world as it is to something altogether new. Their fingerprints are all over names like Facebook and SpaceX. But their newest gamble is neither glamorous nor overtly digital. It comes in the form of Halter, a company out of New Zealand that’s quietly trying to revolutionize how you manage a herd—by putting solar-powered smart collars on cows.
Halter just closed a staggering $220 million round, vaulting the company’s valuation to $2 billion. Founders Fund led the charge. This isn’t the kind of startup that usually commands Silicon Valley’s spotlight. There are no sentient AIs here, no legged robots stalking the future. What Halter faces is much older and messier: How to control livestock scattered across wild, sprawling terrain—without packing the farm with quad bikes or waking to the thrum of helicopter blades.
Craig Piggott knows the land; he grew up among the smells and rhythms of a New Zealand dairy farm. At just 21, he took a risk and founded Halter—a move he now admits was tinged with youthful naivety, though he shrugs off the word with a wry smile. Nine years later, the invention he’s shepherded has found its way onto more than a million cattle, spread across thousands of farms in New Zealand, Australia, and the U.S. And the pitch? Simple: give farmers the reins to control exactly where their herds graze, and watch the land itself produce as much as 20% more than before. That uptick isn’t just from swapping out humans and dogs for gadgets; it’s about precision, letting cattle snack in exactly the right spots, leaving nothing wasted.
The Halter system is almost elegant in its simplicity—a marriage of solar collars, scattered towers, and an app that feels as straightforward as a weather report. A farmer can now conjure a digital fence—no need to pace the fields with wire and hammer—and watch real-time blips representing every animal, day or night. The training isn’t drawn out, either. According to Piggott, most cows adapt in a handful of tries, heeding gentle buzzes or tones from their collar the same way we might nudge our car by the sound of a parking sensor. Soon enough, you’re guiding a herd using sound and vibration alone—no horse required.
But haltering a cow is just the start. The real ingenuity is in what they do with all that streaming data. Halter tracks how each animal eats, moves, even breeds. Was that cow limping at dawn? The collar knows. Is a heifer coming into heat? The farmer gets a nudge. As their devices collect more and more data, Halter claims it’s assembling perhaps the richest dataset on bovine behavior that’s ever existed.
For all this whiz-bang promise, the hardware isn’t stuck in place. Five iterations in, each version smarter than the last, Halter now tests its latest reproductive module with U.S. farmers. “What ranchers use today barely resembles what we sold a year ago,” Piggott says, pride and fatigue flickering together. “Every week brings something new for them.”
Of course, the tech world wasn’t where Piggott first imagined he’d end up. But after an engineering stint at Rocket Lab—a company where he learned that big, strange ideas could be built with a motley crew funded by venture capital—he realized agriculture could use its own leap into the future.
Now, with Halter’s reach spanning more than twenty states in the U.S. and spreading fast, traditional ag giants like Merck have started noticing too. Their own product, Vence, tries to solve the same puzzle. New upstarts circle the barnyard—one, Grazemate, even pitches autonomous drones guiding cattle from the sky, skipping the collar altogether.
Piggott, for his part, isn’t fretting. “Maybe drones have a role, somewhere, sometime. But for core fencing? Collars make sense, and probably will, for a long, long time.” He’s far more wary of inertia—the sleepy resistance to new ideas that always haunts tradition. “Our real opponent,” he muses, “is business as usual. Doing things because that’s how they’ve always been done.”
If there’s an edge to Halter, he says, it’s the unsexy, grueling work of engineering: making a system so robust it barely fails. When a slip means ten cows wander, near-perfection isn’t optional. “Those last few percent of reliability have taken us years. It’s what let us prove ourselves at home before going global.”
Oddly enough, Halter’s biggest lesson might also be its oldest: farmers don’t care about gadgets unless the math works. “Our story, from day one, was simple—make cattle more productive, make the land itself yield more, and the numbers will convince the toughest skeptic.” That ruthless focus on ROI explains Halter’s traction when so many ag-tech hopefuls have floundered.
The U.S. beckons, but Piggott sees opportunity far beyond. “Agriculture is global,” he reminds, “and so are we.” Halter has raised about $400 million to date, with eyes set on South America, Europe, anywhere cattle roam.
Yet, for all their momentum, there’s a mountain ahead. Halter’s devices grace a million animals now—but the world’s herds run to a billion. Even at home, the company’s only scratched the surface. “We’re just getting started,” Piggott says simply. “There’s a whole world left to change.”
If you want to hear more, look for our conversation with Piggott on the latest episode of the StrictlyVC Download podcast—new episodes drop every Tuesday.
