SPARK Microsystems Raises CAD$17M Series B to Expand Ultra-Low-Power Wireless Semiconductor Platform

Montreal just turned the volume up without making a scene about it. SPARK Microsystems quietly pulled in $12.6M in Series B follow-on funding and, if you know what they’re building, you understand why the room got a little more attentive.

Fares Mubarak has been around long enough to know that in semiconductors, hype burns fast but physics keeps receipts. Frédéric Nabki has been solving those physics problems since before most people knew ultra-wideband wasn’t just a label people throw around. Together, they’re not chasing attention, they’re engineering inevitability. And this round, co-led by Idealist Capital and Real Ventures with Cycle Capital, ND Capital, and Export Development Canada stepping back in, says the people who write serious checks see it the same way.

SPARK isn’t trying to win the wireless popularity contest. Bluetooth and Wi-Fi already have that crown and the baggage that comes with it. SPARK’s play is different. Low energy ultra-wideband that moves data fast, reacts instantly, and sips power like it knows the battery is watching. That matters when your product isn’t just a gadget but a system that has to think, respond, and stay alive longer than expected. Wearables, gaming, industrial sensors, medical devices. All the places where lag feels like failure and power drain kills the experience.

The company has now pulled together at least $50.7M in disclosed equity funding across 2021, 2023, and now 2026. That kind of consistency doesn’t happen because of a slick deck. It happens when you pick a hard problem early, stay stubborn about the solution, and stack incremental proof until investors stop asking if and start asking how big.

There’s also a subtle pattern here worth paying attention to. The same investors keep showing up. Idealist Capital. Real Ventures. Cycle Capital. ND Capital. Export Development Canada. That’s not coincidence, that’s conviction compounding. In venture, the second and third checks usually say more than the first.

And while everyone else is busy talking about AI at the cloud level, SPARK is placing a quieter bet on what happens at the edge, where devices actually live, react, and make decisions in real time. Physical AI doesn’t work if your connectivity can’t keep up. That’s the lane SPARK is paving, one low-power, high-performance link at a time.

Congratulations to Fares Mubarak, Frédéric Nabki, and the entire SPARK Microsystems team. This isn’t just more capital. It’s more signal in a world full of noise, and the kind that travels fast, hits clean, and doesn’t waste a drop of energy getting there.