Quantum Market Cap

Quantum Computing Sector Market Cap

The combined market capitalization of all 10 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.

$64.45B
Total Sector Market Cap · 10 stocks
IONQ 31%
Most Dominant
Sector Market Cap History
JulJulAugSepSepOctNovNovDecJanJanFebMarMarAprMayJunJun$15B$30B$45B$60B$75B
Market Cap & Dominance by Company
#CompanyPrice24HMarket CapDominance
1IonQ IONQ$53.60-7.3%$20.00B
31%
2Quantinuum QNT$71.10-8.2%$18.54B
28.8%
3D-Wave Quantum QBTS$22.98-8.2%$8.50B
13.2%
4Rigetti Computing RGTI$19.53-8.2%$6.49B
10.1%
5Xanadu XNDU$11.80-3.5%$3.52B
5.5%
6Infleqtion INFQ$14.10-11.7%$3.08B
4.8%
7Quantum Computing Inc QUBT$9.70-7.5%$2.19B
3.4%
8Horizon Quantum HQ$28.41-14.9%$1.47B
2.3%
9Arqit Quantum ARQQ$28.64-1.4%$486.88M
0.8%
10Quantum-Si QSI$0.8270-6.0%$180.09M
0.3%

Explore the quantum sector