Emerging Theme

Top Quantum Networking Stocks

Quantum computing is moving from laboratory demonstration to early commercial deployments. Pure-play quantum companies are now publicly traded, and technology giants are investing billions in quantum research. This page covers the full investable quantum technology landscape — from quantum annealers generating revenue today to fault-tolerant systems on the horizon.

Last updated:
Theme Dashboard
Theme Score
6.8/10
Stocks
8
Avg Market Cap
$2.7T
Best 1Y
GOOGL +57.4%
Worst 1Y
IBM -5.0%
Cheapest Fwd PE
NVDA 14.2x
Highest Rev Growth
NVDA +105.9%
Last Updated
May 31, 2026
Market metrics update hourly via live data. Theme Score is BriMindInvest editorial.
Pure-Play Quantum Companies
Speculative
IonQ, Inc.
Role: Trapped-Ion Quantum Leader
Theme Exposure10/10
Why it made the list

IonQ is the leading publicly traded pure-play gate-based quantum computing company. Its trapped-ion processors achieve the highest algorithmic qubit counts and are available on AWS, Azure, and Google Cloud.

Why ranked #1

Strong upside potential (+79% to analyst target) and fast revenue growth (+287% YoY).

Gate-Based QCTrapped Ion
Full IONQ report
Speculative
D-Wave Quantum
Role: Commercial Quantum Annealer
Theme Exposure10/10
Why it made the list

D-Wave is the most commercially mature quantum company, generating real enterprise revenue from quantum annealing systems used for optimization in logistics, finance, and manufacturing.

Why ranked #2

The highest analyst upside in the group (+113% to target), though a below-average AI score (34) and declining revenue (-1% YoY).

Quantum AnnealingCommercial Revenue
Full QBTS report
Speculative
Rigetti Computing
Role: Superconducting Quantum Pioneer
Theme Exposure10/10
Why it made the list

Rigetti builds superconducting quantum processors and offers cloud access through its Quantum Cloud Services platform. It is pursuing a full-stack approach to quantum computing hardware and software.

Why ranked #3

Strong upside potential (+92% to analyst target) and fast revenue growth (+185% YoY), though a below-average AI score (38).

Superconducting QCFull Stack
Full RGTI report
Tech Giants with Quantum Programs
#4
HON
Medium
Honeywell International
Role: Quantinuum Majority Stakeholder
Theme Exposure5/10
Why it made the list

Honeywell spun out its quantum division as Quantinuum — one of the most advanced trapped-ion quantum computer companies. Honeywell retains a majority stake, giving public investors indirect quantum computing exposure.

Why ranked #4

Moderate upside to target (+21%), though a below-average AI score (41).

Quantinuum StakeTrapped Ion
Full HON report
#5
IBM
Medium
IBM Corporation
Role: Largest Quantum Fleet Operator
Theme Exposure4/10
Why it made the list

IBM has the world's largest fleet of operational quantum computers (100+ systems) and is targeting fault-tolerant quantum by 2029. Its Heron processors represent the current state of the art in superconducting QC.

Why ranked #5

Attractive valuation (18x forward P/E), though a below-average AI score (38) and limited near-term upside (+4% to target).

Quantum HardwareEnterprise
Full IBM report
Medium
Alphabet Inc.
Role: Willow Chip Quantum Supremacy
Theme Exposure4/10
Why it made the list

Google's Willow chip achieved a breakthrough in quantum error correction in 2024, demonstrating that errors decrease exponentially as the system scales. Google Quantum AI is one of the best-funded quantum research programs.

Why ranked #6

Strong price momentum (+57% over 1Y) and moderate upside to target (+24%).

Quantum ResearchError Correction
Full GOOGL report
Medium
Microsoft Corporation
Role: Topological Qubit Pioneer
Theme Exposure4/10
Why it made the list

Microsoft is pursuing a unique topological qubit approach that aims to achieve fault tolerance with fewer physical qubits. Its Azure Quantum platform offers access to multiple quantum hardware providers.

Why ranked #7

Moderate upside to target (+11%).

Topological QubitsAzure Quantum
Full MSFT report
Quantum-Adjacent Infrastructure
High
NVIDIA Corporation
Role: Quantum Simulation & Classical HPC
Theme Exposure4/10
Why it made the list

NVIDIA's CUDA Quantum platform enables hybrid quantum-classical computing simulations and is the primary development environment for quantum algorithm researchers. As quantum systems mature, NVIDIA's classical infrastructure will remain essential.

Why ranked #8

Solid 1-year momentum (+25%), a top-tier AI score (88), strong upside potential (+49% to analyst target), and the most attractive valuation in the group (14x forward P/E).

Quantum-Classical HybridSimulation
Full NVDA report
Side-by-Side Comparison
Top Quantum Networking Stocks — side-by-side stock comparison
StockRev GrowthFwd P/EOp Margin1Y ReturnAI ScoreAnalyst Upside
IONQ
IonQ, Inc.
+286.8%-31.1x-4.1%-8.6%53+79.1%
QBTS
D-Wave Quantum
-0.6%-44.8x-17.3%+8.5%34+113.0%
RGTI
Rigetti Computing
+185.3%-72.8x-5.5%+0.9%38+92.2%
IBM
IBM Corporation
+1.1%17.9x+16.5%-5.0%38+4.0%
GOOGL
Alphabet Inc.
+24.2%23.4x+34.0%+57.4%64+23.5%
MSFT
Microsoft Corporation
+17.7%21.8x+45.1%-1.1%59+10.9%
HON
Honeywell International
+4.3%21.7x+20.2%-4.3%41+21.5%
NVDA
NVIDIA Corporation
+105.9%14.2x+66.2%+24.8%88+48.7%
Live metrics from Yahoo Finance. AI Score is BriMindInvest proprietary. Analyst upside vs. consensus price target.
Bull Case
  • Fault-tolerant quantum computing arrives earlier than expected, creating immediate commercial demand
  • Quantum error correction breakthroughs (like Google's Willow) accelerate the timeline to practical QC
  • Enterprise quantum annealing (QBTS) proves durable and expands to new optimization use cases
  • Government investment in quantum (CHIPS Act, NATO quantum programs) accelerates R&D
Bear Case
  • Fault-tolerant quantum computing requires decades more development, making pure-plays uninvestable near-term
  • Classical computing continues to improve (via NVDA GPUs), reducing urgency of quantum solutions
  • Pure-play quantum companies (IONQ, QBTS, RGTI) exhaust cash before reaching commercial scale
  • Tech giants develop superior in-house quantum capabilities, marginalising pure-play players
Key Risks to This Theme
  • Pure-play quantum companies are speculative, loss-making, and require ongoing capital raises
  • Quantum computing timelines are notoriously uncertain — even leading experts disagree on when fault-tolerant QC arrives
  • Classical computing (GPUs, ASICs) continues improving, delaying the quantum advantage threshold
  • IONQ, QBTS, and RGTI trade at extremely high revenue multiples given their early-stage nature
  • A major technical setback at any pure-play company could cause sector-wide sentiment damage
Why These Stocks Didn't Make the List
IONM
Invacare
No quantum exposure — ticker confusion with IonQ (IONQ)
QUBT
Quantum Computing Inc.
Considered but much smaller and earlier-stage than listed peers; limited differentiation
ARQQ
Arqit Quantum
Quantum encryption specialist; revenue model and technology remain unproven
ETF Alternatives

Prefer passive exposure to this theme? These ETFs provide broad coverage without individual stock selection.

QTUM
Defiance Quantum ETF
The only dedicated quantum computing ETF; covers pure-plays, tech giants, and enabling infrastructure
BOTZ
Global X Robotics & Artificial Intelligence ETF
Broader AI exposure; quantum is a small component but NVDA and IBM contribute
ARKW
ARK Next Generation Internet ETF
Active ETF with selective quantum exposure through IBM, GOOGL, and select pure-plays
In-Depth Reports

Full valuation workups for the stocks in this theme — seven-method valuation, AI Score, and a 5-year Monte Carlo forecast.

Frequently Asked Questions

What is the difference between quantum computing and quantum networking?+

Quantum computing uses quantum mechanical phenomena (superposition, entanglement) to perform computations exponentially faster than classical computers for specific problems. Quantum networking uses entanglement to create theoretically unhackable communication channels. Both are active areas of commercial development.

Are quantum computing stocks good investments right now?+

Quantum computing is genuinely transformational but on a long timeline to commercial relevance. Pure-play stocks like IONQ and QBTS are highly speculative with significant cash burn. Larger companies like IBM, Google, and Microsoft provide quantum exposure with much less single-company risk. Investors should size positions accordingly.

What is the difference between IonQ and D-Wave?+

IonQ uses trapped-ion gate-based quantum computing, targeting a broad range of future quantum applications. D-Wave uses quantum annealing, a specialized approach suited to combinatorial optimization today but with a narrower addressable market. We compare them directly on our IONQ vs QBTS comparison page.

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