Atom Computing
AC
Atom Computing designs quantum computers based on optically trapped neutral atoms. Lasers cool and trap the atoms and manipulate their states to run quantum circuits. The company targets scalable systems for research labs and commercial users, with an architecture aimed at fault-tolerant operation.
Founded by Jonathan King (Founder), Benjamin Bloom (Founder)
Blended valuation$2.8B$3.8B secondary
Valuation history
Weekly blended valuation with priced funding rounds marked on the timeline.
$3.1B
blended valuationfunding round
May 27, 2024$94.9MOct 5, 2026
All rounds
9 funding rounds, newest first.
| Round | Announced | Raised | Post-money |
|---|---|---|---|
| Series D | Jul 8, 2026 | $89.1M | $2.1B |
| Series C | Jun 16, 2026 | $100M | $714.4M |
| Series C | Feb 10, 2026 | $182M | $722.6M |
| Round | Sep 1, 2024 | $10M | $300M |
| Round | Jun 1, 2024 | $10.2M | $300M |
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Investors
15 investors across all rounds.
- VEVenrock
- PVPrelude Ventures
- IEInnovation Endeavors
- CICisco Investments
- DCDCVC
- CACantos
- FYFifty Years
- ICInovia Capital
- L2Liquid 2 Ventures
- SASV Angel
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Secondary market activity
Recent buy and sell interest for Atom Computing shares on the secondary market.
| Kind | Implied valuation | Price / share | Date |
|---|---|---|---|
| $3.8B | $6.75 | Sep 23, 2026 | |
| $3.8B | $6.75 | Sep 22, 2026 | |
| $3.8B | $6.75 | Sep 14, 2026 |
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Data as of Oct 14, 2026. Valuations are estimates blended from primary and secondary-market signals — not investment advice.