Quantum Market Cap
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Quantum Computing Sector Market Cap

The combined market capitalization of all 12 pure-play quantum computing stocks in one place — with each company's share of the sector (dominance) and how the total has moved over time. This is the whole quantum-computing equity market at a glance, updated daily from live prices and SEC share counts.

$53.80B
Total Sector Market Cap · 12 stocks
QNT 28.5%
Most Dominant
Sector Market Cap History
AugSepSepOctNovDecDecJanFebFebMarAprAprMayJunJunJulAug$15B$30B$45B$60B$75B
Market Cap & Dominance by Company
#CompanyPrice24HMarket CapDominance
1Quantinuum QNT$58.88+3.5%$15.36B
28.5%
2IonQ IONQ$39.72-0.5%$14.82B
27.5%
3D-Wave Quantum QBTS$19.41-9.3%$7.22B
13.4%
4Rigetti Computing RGTI$16.53-1.5%$5.52B
10.3%
5Xanadu XNDU$10.39-9.3%$3.16B
5.9%
6Infleqtion INFQ$11.11+2.4%$2.42B
4.5%
7Quantum Computing Inc QUBT$8.78-1.2%$1.98B
3.7%
8IQM Quantum Computers IQMX$9.13-0.9%$1.46B
2.7%
9Horizon Quantum HQ$14.35-4.5%$774.50M
1.4%
10BTQ Technologies BTQ$4.00-0.7%$574.03M
1.1%
11Arqit Quantum ARQQ$21.47+2.4%$355.99M
0.7%
12Quantum-Si QSI$0.7550-0.3%$164.41M
0.3%

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