Atom Computing secures $100M Series C plus $100M CHIPS Act backing for neutral-atom quantum scale
Atom Computing announced a $100 million Series C led by Third Point Ventures on June 16, with participation from DCVC and Cisco Investments, bringing total disclosed funding to over $300 million. In parallel, the company received a $100 million Letter of Intent from the U.S. Department of Commerce under the CHIPS and Science Act—government equity backing for a minority, non-controlling stake. The dual funding signals rare convergence of venture and federal backing in the quantum race.
Atom is advancing neutral-atom quantum computers, an approach gaining credibility as a scalable path to fault tolerance. Recent milestones: surpassing 1,200 fully-connected qubits in the AC1000 system, demonstrating quantum error correction (only second company globally, first with neutral atoms), advancing to Stage B of DARPA's Quantum Benchmarking Initiative, and installing the world's first commercial quantum computer with logical qubits (partnership with Microsoft). The company also sold its first on-premises system to QuNorth (Nordic initiative) in 2025.
Federal backing reflects U.S. government commitment to domestic quantum leadership. The Commerce Department announced $2.013 billion total across nine quantum companies under CHIPS—Atom, Infleqtion, PsiQuantum, Quantinuum, Rigetti, and others across neutral atom, silicon-spin, superconducting, photonic, and trapped-ion modalities. Atom's $100M is among the largest, signaling confidence in the neutral-atom approach for utility-scale, fault-tolerant systems.
For architects: Quantum is moving from lab to production. Atom's hybrid venture-government model funds both speed (venture capital) and scale (government R&D backing). Watch whether neutral atoms outpace superconducting on error rates and cost. Atom's partnerships with Microsoft (cloud), Cisco (supply chain), and NVIDIA (hardware) suggest quantum will increasingly integrate into hybrid classical-quantum enterprise workflows by 2027–2028.