IonQ

📍 College Park, United States🗓 Founded 2015👥 745 employees💰 Last funded Mar 2025
Computers and Electronics Manufacturing🌐 ionq.com
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IonQ, Inc. [NYSE: IONQ] is the world’s leading quantum platform and merchant supplier - delivering integrated quantum solutions across computing, networking, sensing, and security. IonQ’s newest generation of quantum computers, the forthcoming IonQ Tempo, will be the latest in a line of cutting-edge systems that have been helping customers and partners including Amazon Web Services, AstraZeneca, and NVIDIA achieve 20x performance results and accelerate innovation in drug discovery, materials science, financial modeling, logistics, cybersecurity, and defense. In 2025, the company achieved 99.99% two-qubit gate fidelity, setting a world record in quantum computing performance. Headquartered in College Park, Maryland, IonQ has operations in California, Colorado, Massachusetts, Tennessee, Washington, Italy, South Korea, Sweden, Switzerland, Toronto, and the United Kingdom. Our quantum computing services are available through all major cloud providers, while we also meet the needs of networking and sensing customers across land, sea, air, and space. IonQ is making quantum platforms more accessible and impactful than ever before. Learn more at IonQ.com.
15
Total investors
3
Early stage
7
Mid stage
5
Late stage
2015
Founded

Investors

15 investors
All
Early stage
Mid stage
Late stage
Early stage· 3
Marc Singer
Marc Singer
Managing Partner, Osage University Partners ("OUP")
early stage
20 investments
Sep 2017
Shaun Maguire
Shaun Maguire
Partner at Sequoia Capital
Board Observer
early stage
8 investments
Feb 2017
Blake Byers
Blake Byers
Founder Byers Capital and NewLimit.
Board Member
early stage
14 investments
2016
Mid stage· 7
Jan Westerhues
Jan Westerhues
Partner at Bosch Ventures; Deep-tech Venture Capitalist
Board Observer
mid stage
11 investments
Dec 2019
Alaa Halawa
Alaa Halawa
Investing in and building transformative companies at the intersection of technology and healthcare
Board Observer
mid stage
24 investments
Oct 2019
Alex Fayette
Alex Fayette
Frontier Tech Investor | General Partner @ACME | Investing in the inevitable architecture of the future
Board Observer
mid stage
22 investments
Oct 2019
Todd H. Poole
Todd H. Poole
Managing Director at Pathfinder | Venture Capitalist | Board Director | Advisor
mid stage
16 investments
Sep 2019
Hany Nada
Hany Nada
Partner, co-founder ACME Capital
Board Observer
mid stage
20 investments
Sep 2019
Francis Ho
Francis Ho
Deeptech VC at Walden Catalyst Ventures
Board Observer
mid stage
14 investments
Aug 2019
Ayman A.
Ayman A.
Investing in venture and growth-stage companies transforming industries
mid stage
36 investments
Aug 2019
Late stage· 5
Vaibhav Thakur
Vaibhav Thakur
Investor | Digital Marketer & Web Development Specialist with 4+ years of experience in Meta (Facebook & Instagram) advertising, PPC campaigns, and building high-converting websites
late stage
27 investments
Mar 2025
Gabrielle Toledano
Gabrielle Toledano
COO, Board Director, Former CHRO, Advisor
Board Member
late stage
8 investments
Feb 2025
Sahl Mansoor
Sahl Mansoor
Financial Accounting student | Signed trainee at PWC
late stage
2 investments
Dec 2024
Aryan M.
Aryan M.
Family Office | Portfolio Manager | Digital Assets & Blockchain Strategic Advisor | Generative Ai Strategy | Mergers & Acquisitions | International Trade & Investments Advisor
late stage
22 investments
Jan 2024
Chris Rivest
Chris Rivest
Partner - Breakthrough Energy Ventures
late stage
14 investments
Oct 2021
Investor geography4 countries
United States
12
Germany
1
Australia
1
South Africa
1
Investor activity2016–2025 · investors recorded per year
201612017220197202112024220252
Recent (last 2y)Earlier
Frequently asked questions
Who invested in IonQ?
IonQ has 15 investors on record on gritt.io, including 3 early-stage backers, 7 mid-stage and 5 late-stage investors.
When did IonQ last raise funding?
The most recent investment in IonQ recorded on gritt.io was in March 2025.
When was IonQ founded?
IonQ was founded in 2015.
What industry is IonQ in?
IonQ operates in Computers and Electronics Manufacturing. Find similar Computers and Electronics Manufacturing investors on gritt.io.
Where is IonQ based?
IonQ is headquartered in College Park, United States.