IonQ

1D
1W
1M
3M
YTD
1Y
5Y
ALL

Trade IonQ 24 hours a day, five days a week on Robinhood.

Robinhood gives you the tools to revolutionize your trading experience. Use the streamlined mobile app, or access advanced charts and execute precise trades on our browser-based platform, Robinhood Legend. Risks and limitations apply.

About IONQ

IonQ, Inc. develops and manufactures quantum computers. The firm specializes in quantum computing and quantum information processing. 

CEO
Niccolo M. de Masi
CEONiccolo M. de Masi
Employees
1,132
Employees1,132
Headquarters
College Park, Maryland
HeadquartersCollege Park, Maryland
Founded
2015
Founded2015
Employees
1,132
Employees1,132

IONQ Key Statistics

Market cap
15.19B
Market cap15.19B
Price-Earnings ratio
-8.25
Price-Earnings ratio-8.25
Dividend yield
Dividend yield
Average volume
21.03M
Average volume21.03M
High today
$38.56
High today$38.56
Low today
$35.10
Low today$35.10
Open price
$35.21
Open price$35.21
Volume
18.23M
Volume18.23M
52 Week high
$84.64
52 Week high$84.64
52 Week low
$25.89
52 Week low$25.89

Stock Snapshot

With a market cap of 15.19B, IonQ(IONQ) trades at $37.31. The stock has a price-to-earnings ratio of -8.25.

On 2026-09-15, IonQ(IONQ) stock moved within a range of $35.10 to $38.56. With shares now at $37.31, the stock is trading +6.3% above its intraday low and -3.2% below the session's peak.

Trading activity shows a volume of 18.23M, compared to an average daily volume of 21.03M.

The stock's 52-week range extends from a low of $25.89 to a high of $84.64.

The stock's 52-week range extends from a low of $25.89 to a high of $84.64.

IONQ News

TipRanks 1d
Quantum Stocks Slide 3% in Premarket as AI Safety Concerns Hit Tech

Quantum computing stocks are falling in premarket trading today, Monday, as a wider selloff in AI and high-growth technology shares weighed on risk appetite. D-...

Nasdaq 2d
BigBear.ai vs. IonQ: Weighing Whether to Invest in the Artificial Intelligence Company or the Quantum Computing Giant

Key Points BigBear.ai focuses on decision intelligence software for government and defense agencies but faces declining revenue. IonQ is scaling its trapped-i...

BigBear.ai vs. IonQ: Weighing Whether to Invest in the Artificial Intelligence Company or the Quantum Computing Giant
TipRanks 3d
IonQ Stock Slides as Lofty Quantum Hopes Meet Reality

IonQ ( (IONQ) ) has fallen by -7.01%. Read on to learn why. IonQ shares fell 7.01% over the past week as investors digested a flurry of mixed signals following...

Analyst ratings

80%

of 15 ratings
Buy
80%
Hold
20%
Sell
0%

More IONQ News

Nasdaq 3d
Cerebras Systems vs. IonQ: Which Tech Stock Is a Better Buy in 2026?

Key Points Cerebras Systems offers unique wafer-scale technology and is growing revenue at high rates. IonQ is a leader in trapped-ion quantum computing with...

Cerebras Systems vs. IonQ: Which Tech Stock Is a Better Buy in 2026?
The Motley Fool 4d
If I Could Only Buy 1 Quantum Computing Stock, This Would Be It

Quantum computing may seem like a science fiction technology, but it's coming quicker than most realize. While the previous projection for useful quantum comput...

If I Could Only Buy 1 Quantum Computing Stock, This Would Be It
Nasdaq 4d
IonQ Advances Quantum Computing With Superion 256: What's Ahead?

IonQ IONQ has launched Superion 256, its sixth-generation quantum computing platform and the foundation for future compute products. The platform has moved from...

IonQ Advances Quantum Computing With Superion 256: What's Ahead?
Nasdaq 4d
Not IonQ, Not Rigetti Computing. This Quantum Computing Stock Could Be September's Biggest Winner.

Key Points IonQ and Rigetti Computing both have annual revenue growth of more than 100%. Despite rapid acceleration across the top line, these pure-play quant...

Not IonQ, Not Rigetti Computing. This Quantum Computing Stock Could Be September's Biggest Winner.
Nasdaq 5d
IonQ's DARPA Program Could Soar -- Here's Why It Matters

IonQ (NYSE: IONQ) is getting a chance to prove that its expansion beyond quantum computing can become a real business. DARPA's atomic-clock program could move V...

IonQ's DARPA Program Could Soar -- Here's Why It Matters
24/7 Wall St. 5d
IonQ's CEO Says 'Q-Day' Hits in 2028. The Stock Says Investors Stopped Listening

IonQ's CEO used investor day to warn that encryption breaks in 2028 and quantum computing is about to slipstream into every corporate research program. The stoc...

IonQ's CEO Says 'Q-Day' Hits in 2028. The Stock Says Investors Stopped Listening
TipRanks 5d
Quantum Computing News: U.S. Awards $300M to QBTS, RGTI and Quantinuum

Welcome to Thursday’s quantum computing news recap. This edition looks at four developments shaping the sector, with D-Wave Quantum Inc. (QBTS), Rigetti Computi...

People also own

Based on the portfolios of people who own IONQ. This list is generated using Robinhood data, and it’s not a recommendation.

Similar Marketcap

This list is generated by looking at the six larger and six smaller companies by market cap in relation to this company.

Popular Stocks

This list is generated by looking at the top 100 stocks and ETFs most commonly held by Robinhood customers and showing a random subset

Newly Listed

This list is generated by showing companies that recently went public.

All investments involve risks, including the loss of principal. Securities trading offered through Robinhood Financial LLC, Member SIPC and a registered broker-dealer. Options are risky and aren’t suitable for all investors. To learn more about risks, read the Options Disclosure Document.