Comparative Investment Analysis: IonQ vs. Rigetti in Quantum Computing
Written by Emily J. Thompson, Senior Investment Analyst
Updated: Mar 15 2026
0mins
Should l Buy IONQ?
Source: Yahoo Finance
- Market Potential: McKinsey & Company estimates that the quantum computing market could reach an annual value of $72 billion by 2035, presenting significant profit opportunities for investors while also posing risks of total loss for poor stock choices.
- Technological Approaches: IonQ employs a trapped-ion method that yields superior computing accuracy, whereas Rigetti utilizes superconducting technology for faster processing speeds, with accuracy currently being a major barrier to widespread quantum computing adoption.
- Financial Performance Comparison: In Q4, Rigetti reported revenue of $1.9 million with an operating loss of $22.6 million, while IonQ achieved $61.9 million in revenue despite a massive operating loss of $229 million, highlighting IonQ's market leadership and ability to attract investor funding.
- Investor Confidence Disparity: Despite IonQ's substantial losses, its leadership position in quantum computing continues to draw significant investor support, whereas Rigetti may face greater challenges in sustaining operations during the early stages of development.
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Analyst Views on IONQ
Wall Street analysts forecast IONQ stock price to rise
12 Analyst Rating
9 Buy
3 Hold
0 Sell
Strong Buy
Current: 27.790
Low
47.00
Averages
75.91
High
100.00
Current: 27.790
Low
47.00
Averages
75.91
High
100.00
About IONQ
IonQ, Inc. is engaged in the quantum computing and networking industry, delivering high-performance systems capable of solving complex commercial and research use cases. Its generation quantum computers, IonQ Forte and IonQ Forte Enterprise, are cutting-edge systems, boasting 36 algorithmic qubits. It sells specialized quantum computing and networking hardware together with related maintenance and support. It also sells access to several quantum computers of various qubit capacities and is in the process of researching and developing technologies for quantum computers with increasing computational capabilities. It makes access to its quantum computers available via three cloud platforms, Amazon Web Services' (AWS) Amazon Braket, Microsoft's Azure Quantum and Google's Cloud Marketplace, and also to select customers via its own cloud service. Its product portfolio also includes quantum key distribution (QKD) systems, quantum random number generators (QRNGs), and single-photon detectors.
About the author
Emily J. Thompson
Emily J. Thompson, a Chartered Financial Analyst (CFA) with 12 years in investment research, graduated with honors from the Wharton School. Specializing in industrial and technology stocks, she provides in-depth analysis for Intellectia’s earnings and market brief reports.
Rigetti Computing's Quantum Breakthrough and Challenges
- Quantum Breakthrough: Rigetti Computing announced it achieved up to 99.9% two-qubit gate fidelity, indicating a one in 1,000 error chance during calculations, which is significant but still insufficient for commercial viability due to ongoing accuracy issues in quantum computing.
- Accuracy Challenges: As the number of qubits increases, Rigetti's accuracy declines rapidly, with its largest 108-qubit system only achieving 99% two-qubit gate accuracy, highlighting a critical challenge in balancing computational power with reliability.
- Competitive Pressure: Compared to IonQ, which has reached a two-qubit gate fidelity of 99.99% and plans to launch a 256-qubit system by 2026, Rigetti faces immense competitive pressure that may undermine investor confidence in its future prospects.
- Poor Investment Outlook: Despite Rigetti's breakthroughs in accuracy, it remains significantly behind its peers, leading analysts to suggest that its investment potential is limited, with recommendations to consider more promising quantum computing companies like IonQ.
See More
Rigetti's Quantum Computing Systems Achieve Accuracy Breakthrough
- Accuracy Breakthrough: Rigetti recently announced a significant achievement with a two-qubit gate fidelity of up to 99.9%, indicating a one in 1,000 chance of error during calculations, yet this level of accuracy remains insufficient for commercial viability.
- Competitive Pressure: Despite Rigetti's advancements, its largest 108-qubit system only achieves 99% fidelity, and as the number of qubits increases, accuracy declines, placing Rigetti at a disadvantage compared to competitors like IonQ, which boasts a 99.99% fidelity.
- Market Outlook: The primary challenge for Rigetti in the rapidly evolving quantum computing sector is enhancing system accuracy to meet commercial demands, and its current technological limitations hinder its competitive position, prompting investors to carefully assess its investment potential.
- Investment Recommendation: Analysts generally advise against investing in Rigetti, as it is not considered the best quantum computing stock available, with competitors like IonQ demonstrating superior technology and market performance, suggesting investors explore more promising alternatives.
See More
Quantum Computing Stocks Fall Out of Favor with Investors
- Diminishing Investor Risk Appetite: As risk appetite declines, quantum computing stocks are losing their appeal, leading to a general drop in share prices and affecting market confidence in future technologies.
- AI and Billionaire Potential: While the potential of AI technology is widely discussed, no company is currently seen as capable of creating the world's first trillionaire, reflecting a cautious market attitude towards tech stocks.
- IonQ Excluded from Recommendations: The Motley Fool's analyst team has noted that IonQ did not make the current list of the top 10 recommended stocks, indicating concerns about its future performance that may influence investor buying decisions.
- Investment Return Comparison: With Stock Advisor's average return at 914%, significantly outperforming the S&P 500's 184%, it highlights the importance of selecting quality stocks for long-term gains, urging investors to be cautious in their choices.
See More
Quantum Computing Stocks Lose Investor Favor
- Diminished Investor Risk Appetite: As risk appetite declines, quantum computing stocks are losing their appeal, prompting investors to withdraw funds and reflecting concerns about the future development of the sector.
- Stock Price Fluctuations: As of the afternoon of March 30, 2026, prices of quantum computing-related stocks have generally fallen, indicating a lack of confidence in these high-risk investments, which may affect the companies' ability to raise capital.
- Market Trend Analysis: The investment frenzy in the quantum computing sector is waning, and investors' cautious stance towards high-tech sectors may lead to capital outflows, potentially hindering innovation and growth in the industry.
- Uncertain Future Outlook: With the decline in risk appetite, the future growth prospects for quantum computing companies have become uncertain, which may force these firms to reassess their business models and investment strategies to adapt to the new market environment.
See More
Business Services Sector Faces Challenges Amid AI Disruption
- Sector Performance Decline: The business services sector has collectively dropped 7.6% over the past six months, significantly underperforming the S&P 500's 2.8% decline, indicating investor concerns over AI disruptors and tightening budgets.
- Getty Images Underperformance: Despite boasting over 562 million visual assets, Getty Images has only achieved a 3.5% annual growth rate over the past two years, which is below industry standards, while its free cash flow margin has shrunk by 14.8 percentage points over five years, suggesting declining competitiveness.
- CoreCivic's Growth Challenges: CoreCivic has reported a mere 3% annual revenue growth over the last five years, with a 7.3 percentage point drop in free cash flow margin, indicating increased capital intensity amid rising competition, and a return on invested capital (ROIC) of only 5.9% reflects management's struggles in finding attractive investment opportunities.
- IonQ's Strong Performance: IonQ has demonstrated an impressive 143% annual revenue growth over the past two years, with expected revenue growth of 81.7% over the next 12 months, indicating significant market share gains, although its stock trades at $27.98 per share with a price-to-sales ratio of 45 times.
See More
QSE Launches QPA v2 for Post-Quantum Cryptography Migration
- Massive Market Opportunity: The post-quantum cryptography market is projected to exceed $15 billion by 2030, as enterprises and governments face mandated migration timelines, highlighting the urgent need for secure infrastructure amid rising data breach risks.
- Launch of QPA v2: QSE launched QPA v2 on March 31, 2026, providing a comprehensive framework for organizations to evaluate, plan, and manage their cryptographic readiness, thereby enhancing their ability to respond to quantum threats.
- Integrated Solution: QPA v2 integrates governance design, budgeting, timelines, and strategic development, utilizing AI-enhanced assessment modules and real-time visibility dashboards to ensure effective risk and compliance management during migration.
- Significant Industry Impact: With migration standards and deadlines set by NIST and NSA, enterprises must quickly adapt to new standards, positioning QSE's QPA v2 platform as a central tool driving the next cybersecurity spending cycle to ensure security in the quantum computing era.
See More
Rigetti Computing's Quantum Breakthrough and Challenges
- Quantum Breakthrough: Rigetti Computing announced it achieved up to 99.9% two-qubit gate fidelity, indicating a one in 1,000 error chance during calculations, which is significant but still insufficient for commercial viability due to ongoing accuracy issues in quantum computing.
- Accuracy Challenges: As the number of qubits increases, Rigetti's accuracy declines rapidly, with its largest 108-qubit system only achieving 99% two-qubit gate accuracy, highlighting a critical challenge in balancing computational power with reliability.
- Competitive Pressure: Compared to IonQ, which has reached a two-qubit gate fidelity of 99.99% and plans to launch a 256-qubit system by 2026, Rigetti faces immense competitive pressure that may undermine investor confidence in its future prospects.
- Poor Investment Outlook: Despite Rigetti's breakthroughs in accuracy, it remains significantly behind its peers, leading analysts to suggest that its investment potential is limited, with recommendations to consider more promising quantum computing companies like IonQ.
See More
Rigetti's Quantum Computing Systems Achieve Accuracy Breakthrough
- Accuracy Breakthrough: Rigetti recently announced a significant achievement with a two-qubit gate fidelity of up to 99.9%, indicating a one in 1,000 chance of error during calculations, yet this level of accuracy remains insufficient for commercial viability.
- Competitive Pressure: Despite Rigetti's advancements, its largest 108-qubit system only achieves 99% fidelity, and as the number of qubits increases, accuracy declines, placing Rigetti at a disadvantage compared to competitors like IonQ, which boasts a 99.99% fidelity.
- Market Outlook: The primary challenge for Rigetti in the rapidly evolving quantum computing sector is enhancing system accuracy to meet commercial demands, and its current technological limitations hinder its competitive position, prompting investors to carefully assess its investment potential.
- Investment Recommendation: Analysts generally advise against investing in Rigetti, as it is not considered the best quantum computing stock available, with competitors like IonQ demonstrating superior technology and market performance, suggesting investors explore more promising alternatives.
See More
Quantum Computing Stocks Fall Out of Favor with Investors
- Diminishing Investor Risk Appetite: As risk appetite declines, quantum computing stocks are losing their appeal, leading to a general drop in share prices and affecting market confidence in future technologies.
- AI and Billionaire Potential: While the potential of AI technology is widely discussed, no company is currently seen as capable of creating the world's first trillionaire, reflecting a cautious market attitude towards tech stocks.
- IonQ Excluded from Recommendations: The Motley Fool's analyst team has noted that IonQ did not make the current list of the top 10 recommended stocks, indicating concerns about its future performance that may influence investor buying decisions.
- Investment Return Comparison: With Stock Advisor's average return at 914%, significantly outperforming the S&P 500's 184%, it highlights the importance of selecting quality stocks for long-term gains, urging investors to be cautious in their choices.
See More
Quantum Computing Stocks Lose Investor Favor
- Diminished Investor Risk Appetite: As risk appetite declines, quantum computing stocks are losing their appeal, prompting investors to withdraw funds and reflecting concerns about the future development of the sector.
- Stock Price Fluctuations: As of the afternoon of March 30, 2026, prices of quantum computing-related stocks have generally fallen, indicating a lack of confidence in these high-risk investments, which may affect the companies' ability to raise capital.
- Market Trend Analysis: The investment frenzy in the quantum computing sector is waning, and investors' cautious stance towards high-tech sectors may lead to capital outflows, potentially hindering innovation and growth in the industry.
- Uncertain Future Outlook: With the decline in risk appetite, the future growth prospects for quantum computing companies have become uncertain, which may force these firms to reassess their business models and investment strategies to adapt to the new market environment.
See More
Business Services Sector Faces Challenges Amid AI Disruption
- Sector Performance Decline: The business services sector has collectively dropped 7.6% over the past six months, significantly underperforming the S&P 500's 2.8% decline, indicating investor concerns over AI disruptors and tightening budgets.
- Getty Images Underperformance: Despite boasting over 562 million visual assets, Getty Images has only achieved a 3.5% annual growth rate over the past two years, which is below industry standards, while its free cash flow margin has shrunk by 14.8 percentage points over five years, suggesting declining competitiveness.
- CoreCivic's Growth Challenges: CoreCivic has reported a mere 3% annual revenue growth over the last five years, with a 7.3 percentage point drop in free cash flow margin, indicating increased capital intensity amid rising competition, and a return on invested capital (ROIC) of only 5.9% reflects management's struggles in finding attractive investment opportunities.
- IonQ's Strong Performance: IonQ has demonstrated an impressive 143% annual revenue growth over the past two years, with expected revenue growth of 81.7% over the next 12 months, indicating significant market share gains, although its stock trades at $27.98 per share with a price-to-sales ratio of 45 times.
See More
QSE Launches QPA v2 for Post-Quantum Cryptography Migration
- Massive Market Opportunity: The post-quantum cryptography market is projected to exceed $15 billion by 2030, as enterprises and governments face mandated migration timelines, highlighting the urgent need for secure infrastructure amid rising data breach risks.
- Launch of QPA v2: QSE launched QPA v2 on March 31, 2026, providing a comprehensive framework for organizations to evaluate, plan, and manage their cryptographic readiness, thereby enhancing their ability to respond to quantum threats.
- Integrated Solution: QPA v2 integrates governance design, budgeting, timelines, and strategic development, utilizing AI-enhanced assessment modules and real-time visibility dashboards to ensure effective risk and compliance management during migration.
- Significant Industry Impact: With migration standards and deadlines set by NIST and NSA, enterprises must quickly adapt to new standards, positioning QSE's QPA v2 platform as a central tool driving the next cybersecurity spending cycle to ensure security in the quantum computing era.
See More
