Data as of:
brimindinvest.com / compare / rgti-vs-ibmLIVE
RGTI
Rigetti Computing, Inc. · Quantum Computing
$15.09
-19.82% this month
VERSUS
COMPARE
IBM
International Business Machines Corporation · Enterprise Tech
$248.37
+6.00% this month
Comparison scoreboard
IBM LEADS 4/5
AI Scorei
RGTI 37.9
IBM 39.3
1Y Returni
RGTI -21.45%
IBM -3.07%
Fwd P/Ei
RGTI -72.18
IBM 17.90
Target Up.i
RGTI +93.76%
IBM +3.96%
Op. Margini
RGTI -546.17%
IBM 16.55%
Metrics last refreshed: 9/16/2026
Quick take

RGTI vs IBM Stock Comparison: AI Score, Valuation, Performance and Upside

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Rigetti Computing and IBM both develop superconducting qubit-based quantum computing technology, but Rigetti is a small, pure-play, early-stage quantum computing company, while IBM is a massive, diversified enterprise technology company for which quantum computing (IBM Quantum) is a smaller, longer-term research initiative alongside its core hybrid cloud, AI, and consulting businesses.

Rigetti offers concentrated, higher-risk pure-play exposure to superconducting qubit quantum computing, while IBM offers diversified, stable enterprise technology exposure with quantum computing as a smaller research initiative rather than a primary investment driver. Consider whether you want focused quantum computing exposure or diversified enterprise technology stability with quantum computing as a bonus.

Live analysis · updated 9/16/2026

IBM holds the edge across 4 of 5 key metrics in this comparison. IBM leads on both 1-year return (-3.07%) and forward P/E quality (17.90x vs -72.18x for RGTI), a relatively favorable combination of momentum and valuation. On fundamentals, RGTI is growing revenue faster (185.30%), while IBM maintains the higher operating margin (16.55%) — a classic growth-versus-profitability split. Analyst consensus implies meaningfully more upside for RGTI (+93.76%) than for IBM (+3.96%).

Want a full valuation workup? 46-section report — AI Score, Monte Carlo forecast, bull/bear case, DCF, and more.
Normalized 1Y performance
RGTI
IBM
Recent returns
RGTI
IBM
Analyst price targets & sentiment

Human Wall Street analysts' price targets, typically implying a ~12-month view — a separate signal from this site's own AI Prediction Signal further down the page, which is a 5-/30-day machine-learning forecast based on price history alone.

RGTI
Price target range
analyst mean$28.81
current price$15.09
+93.8% upside to analyst mean
IBM · 20 analysts
STRONG BUYHOLDSTRONG SELL
Buy (2.4/5.0)
13 Buy / 10 Hold / 2 Sell
Price target range
analyst low$170.00
analyst high$300.00
analyst mean$244.91
current price$248.37
+4.0% upside to analyst mean
Who should consider this stock?
RGTI may suit investors who:
  • Want concentrated, pure-play exposure to superconducting qubit quantum computing technology
  • Value Rigetti's full-stack quantum hardware and software development capabilities
  • Are comfortable with the high risk and cash runway considerations of a small, early-stage, pre-profitability company
  • Believe cloud-based quantum access can drive broader customer adoption over time
IBM may suit investors who:
  • Want diversified, stable exposure to enterprise technology, including hybrid cloud, AI software, and consulting
  • Value IBM's established dividend history and diversified revenue base beyond quantum computing
  • Believe IBM Quantum's long-standing research program and enterprise partnerships provide credible long-term quantum computing exposure
  • Prefer a large, diversified technology company where quantum computing is a bonus rather than the primary investment thesis
Performance & AI score
Performance & AI score
MetricRGTIIBM
AI scorei37.939.3
AI ranki#1443#1266
Latest closei$15.09$248.37
1M returni-19.82%+6.00%
6M returni-6.97%-3.02%
1Y returni-21.45%-3.07%
$10,000 invested — hypothetical growth (dividends reinvested)

How much would $10,000 be worth today if invested at the start of each period, with all dividends reinvested?

$10,000 invested — hypothetical growth (dividends reinvested)
PeriodRGTIIBM
1Y ago$7.86K (-21.4%)
started 2025-09-15
$9.64K (-3.6%)
started 2025-09-16
5Y ago$15.48K (+54.8%)
started 2021-09-15
$26.76K (+167.6%)
started 2021-09-17
10Y ago$15.24K (+52.4%)
started 2021-04-22
$39.27K (+292.7%)
started 2016-09-19

Hypothetical — past performance does not guarantee future results.

Valuation & upside potential
Valuation & upside potential
MetricRGTIIBM
Market capi$4.96B$221.96B
Trailing P/EiN/A20.92
Forward P/Ei-72.1817.90
Price/SalesiN/A3.98
EV/Revenuei345.784.04
Analyst targeti$28.81$244.91
Target upsidei+93.76%+3.96%
Growth, profitability & risk
Growth, profitability & risk
MetricRGTIIBM
Revenue growthi185.30%1.10%
Earnings growthiN/A-1.80%
EPS growthiN/A-1.80%
FCF margini+198.11%+17.44%
Operating margini-546.17%16.55%
Profit margini0.00%15.52%
ROIC proxyi-43.77%34.46%
Return on equityi-43.77%34.46%
Dividend yieldiN/A2.87%
Payout ratioi0.00%59.77%
Dividend growth streakiN/ANo increase yet
Betai2.020.70
Debt/equityi1.43188.97
Current ratioi3.940.79
Quick ratioi3.780.61
Correlation

Over the past year, RGTI and IBM have moved weakly in the same direction (correlation of 0.17), based on daily returns.

1Y
0.17
-1.0+1.0
5Y
0.12
-1.0+1.0
10Y
0.12
-1.0+1.0
Drawdown & downside risk

Lower drawdown and smaller single-period drops generally indicate a smoother ride, though they do not guarantee lower future risk.

1Y risk snapshot
RGTI max drawdowni77.10%
IBM max drawdowni37.50%
RGTI max wkly dropi36.00%
IBM max wkly dropi30.08%
5Y risk snapshot
RGTI max drawdowni96.89%
IBM max drawdowni37.50%
RGTI max wkly dropi68.19%
IBM max wkly dropi30.08%
10Y risk snapshot
RGTI max drawdowni96.89%
IBM max drawdowni40.59%
RGTI max wkly dropi68.19%
IBM max wkly dropi30.08%
Performance metrics by period
Performance metrics by period
PeriodMetricRGTIIBM
1YGrowthi-21.45%-3.55%
CAGRi-21.46%-3.56%
Volatilityi105.63%48.71%
Sharpe ratioi0.240.09
Sortino ratioi0.380.12
Max drawdowni77.10%37.50%
Current drawdowni73.22%24.56%
Avg drawdowni57.24%15.24%
Ulcer Indexi61.01%19.07%
Max daily dropi14.86%25.21%
Max wkly dropi36.00%30.08%
5YGrowthi+54.77%+125.20%
CAGRi+9.13%+17.64%
Volatilityi130.34%30.32%
Sharpe ratioi0.660.55
Sortino ratioi1.120.75
Max drawdowni96.89%37.50%
Current drawdowni73.22%24.56%
Avg drawdowni63.99%8.11%
Ulcer Indexi70.37%11.23%
Max daily dropi45.41%25.21%
Max wkly dropi68.19%30.08%
10YGrowthi+52.42%+146.29%
CAGRi+8.12%+9.44%
Volatilityi125.41%28.22%
Sharpe ratioi0.630.30
Sortino ratioi1.070.42
Max drawdowni96.89%40.59%
Current drawdowni73.22%24.56%
Avg drawdowni59.37%11.61%
Ulcer Indexi67.70%14.32%
Max daily dropi45.41%25.21%
Max wkly dropi68.19%30.08%
AI Prediction Signali
Members only
Next 5 trading days
RGTI
+2.8%BUY
IBM
+1.1%HOLD
Next 30 trading days
RGTI
+6.4%BUY
IBM
+3.2%HOLD

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Business comparison
Business comparison
CategoryRGTIIBM
CompanyRigetti Computing, Inc.International Business Machines Corporation
SectorTechnologyTechnology
IndustryComputer HardwareInformation Technology Services
Core businessA quantum computing company building superconducting qubit-based quantum computers and offering cloud-based access to its quantum systems for research and enterprise customers, pursuing full-stack quantum hardware and software development.A global enterprise technology company providing hybrid cloud computing, AI software, and consulting services, alongside a long-standing quantum computing research program (IBM Quantum) offering cloud access to its quantum systems for enterprise and research partners.
Investor focusQuantum processor performance milestones, cloud quantum computing access revenue growth, and cash runway relative to ongoing research and development spending.Hybrid cloud and AI software revenue growth, consulting segment performance, and dividend sustainability, with quantum computing representing a smaller, longer-term research and development initiative.
RGTI strengths
  • Pure-play focus on superconducting qubit quantum computing, offering concentrated exposure to this specific technical approach
  • Full-stack development capabilities spanning quantum hardware and software provide differentiated positioning
  • Cloud-based access model allows broader customer reach without requiring on-premise quantum hardware deployment
IBM strengths
  • Massive, diversified enterprise technology business provides stable revenue and cash flow beyond quantum computing
  • Long-standing quantum computing research program (IBM Quantum) with substantial resources and an established enterprise partnership network
  • Established dividend history and diversified business model unlike RGTI's early-stage, pre-profitability quantum focus
Risks to watch — RGTI
  • Small, early-stage company with significant operating losses and cash runway considerations
  • Quantum computing remains a pre-commercial technology with substantial execution and timeline uncertainty
  • Much smaller scale and fewer resources than large, diversified technology companies also investing in quantum computing
Risks to watch — IBM
  • Quantum computing is a small part of IBM's overall business, meaning it does not meaningfully drive IBM's stock performance
  • Legacy enterprise technology segments face slower growth compared to newer cloud and AI-native competitors
  • Investors seeking pure-play quantum computing exposure will find IBM's quantum program diluted within its much larger overall business
Frequently asked questions
RGTI offers concentrated, higher-risk pure-play exposure to superconducting qubit quantum computing. IBM offers diversified, stable enterprise technology exposure with quantum computing as a smaller research initiative. Choose RGTI for focused quantum computing exposure, or IBM for diversified enterprise technology stability.
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