Every US-listed quantum computing company we track, from the pure plays to the large companies with quantum programs.
Data as of the Nov 6, 2026 close · updated after each US session
| Ticker | Name | Price | YTD change | 1d | Market cap |
|---|---|---|---|---|---|
| GOOGL | Alphabet | $284.78 | -9.02% | +0.78% | $3.50T |
| IBM | International Business Machines | $245.00 | -17.29% | -0.85% | $231.6B |
| HON | Honeywell International Inc. | $220.05 | +7.55% | +1.98% | $69.7B |
| IONQ | IonQ, Inc. | $32.62 | -27.30% | +23.42% | $15.2B |
| QBTS | D-Wave Quantum Inc. | $10.68 | -59.16% | +18.01% | $4.1B |
| RGTI | Rigetti Computing, Inc. | $11.75 | -46.95% | +19.29% | $3.9B |
| QUBT | Quantum Computing Inc. | $6.33 | -38.30% | +12.43% | $1.4B |
7 US-listed quantum computing companies, from GOOGL ($3.50T) to QUBT ($1.4B); 0 of them trade above their 200-day average.
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A hand-kept list of every US-listed quantum computing company we track: the pure plays (IonQ, Rigetti, D-Wave, Quantum Computing Inc.) and the large companies with quantum programs (IBM, Honeywell, Alphabet), by market cap. The facts are recomputed after each US session, at 22:30 UTC Monday to Friday.
The pure plays are small and swing hard on contract news and funding rounds; the large companies barely move on quantum at all. Read the RSI and the 52-week position on each asset page before reading anything into a single day.
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