Top 10 Quantum companies by funding received

Valerie Charoux
Dec 17, 2025
2 min read

Tech Investment News – Here are the Top 10 Quantum companies globally with the highest funding received, according to OECD report “Mapping the global quantum ecosystem”, dated December 2025:

The ranking of Top 10 Quantum companies globally focuses on the quantum firms that received the highest amount of funding in the period 2014-2024. While most of the largest recipients are well known firms active in core quantum technologies, like Psiquantum, the list also includes companies in quantum enabling technologies, such as Lightmatter.

Top 10 Quantum companies by funding received:

1 - PSIQUANTUM, CORP. - California, USA

PsiQuantum corp ranks No. 1 Quantum company by funding received that reaches USD 2,039.45 million.

2 - SB TECHNOLOGY INC.

SB Technology Inc ranks 2^nd Quantum company by funding received that reaches USD 1,575.00 million

3 - IONQ, INC.

Ionq, inc, ranks 3rd Quantum company by funding received that reaches USD 1 479.60 million.

4 - D-WAVE SYSTEMS, INC.

D-Wave Systems, inc ranks 4^th Quantum company by funding received that reaches USD 956.78 million.

5 - RIGETTI COMPUTING INC.

Rigetti Computing inc. ranks 5^th Quantum company by funding received that reaches USD 934.41 million.

6 - LIGHTMATTER, INC.

Lightmatter, inc ranks 6^th Quantum company by funding received that reaches USD 822.00 million.

7 - ROCKLEY PHOTONICS LTD.

Rockley Photonics Ltd ranks 7^th Quantum company by funding received that reaches USD 808.50 million.

8 - INFINERA

Infinera ranks 8^th Quantum company by funding received that reaches USD 718.80 million

9 - QUANTINUUM, LTD.

Quantinuum, Ltd ranks 9^th Quantum company by funding received that reaches USD 647.00 million.

10 - ARQIT LIMITED

Arqit Ltd ranks 10^th Quantum company by funding received that reaches USD 477.34 million.