University of Kwazulu-Natal

Top Quantum Computing Stocks To Watch In Q4 2025

Bonisiwe Shabane
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top quantum computing stocks to watch in q4 2025

Quantum computing concept illustration. 2025 has seen quantum technology leap from labs toward commercial viability, fueling a wave of investor interest and stock gains. After the AI frenzy, quantum computing is emerging as the next big tech investment trend Nasdaq. Quantum computers leverage bizarre physics to solve problems vastly faster than classical machines, promising breakthroughs in drug discovery, finance, AI, logistics, and cybersecurity. In 2025, this once-experimental field is rapidly moving from concept to reality – and Wall Street has taken notice. Many companies agree that around 2030 will be a turning point when quantum systems achieve useful scale Nasdaq.

But investors aren’t waiting; quantum stocks have soared in 2025, anticipating the technology’s transformative potential. Several pure-play quantum computing firms that went public via SPAC in recent years have skyrocketed. Over the past six months, shares of IonQ jumped 135%, Rigetti 105%, and D-Wave over 200%, vastly outperforming the S&P 500 Nasdaq. Much of this surge came in Q3 2025, as a string of technical and commercial milestones signaled that quantum computing is edging closer to practical use. At the same time, tech giants like IBM, Alphabet (Google), Microsoft, and Intel – which view quantum as strategic to their future – have accelerated their R&D efforts and notched record achievements of their... Major governments worldwide (USA, EU, China, and Japan) are pouring funding into quantum research programs, recognizing it as a critical technology race.

This confluence of scientific progress, corporate commitment, and public investment has made quantum computing a compelling – if speculative – area for investors seeking the “next big thing.” However, it’s still early innings. Today’s quantum computers remain in prototype stage, generating minimal revenue, and the path to large-scale, fault-tolerant quantum machines (needed for broad commercial adoption) will likely take the rest of this decade. Investing in this space requires patience and risk tolerance, as many pure-plays are unprofitable and may never reach mass-market success. That said, the upside could be enormous. McKinsey projects the quantum computing market to grow at ~35% CAGR, potentially reaching tens of billions by 2030 Patentpc Bccresearch.

By 2035, quantum tech could drive over $1 trillion in economic value and hundreds of thousands of new jobs Thequantuminsider. In the nearer term, breakthroughs expected by 2025–2027 (such as achieving quantum advantage on useful problems, or demonstrating early error-corrected qubits) could dramatically reprice the leaders in this industry. In this report, we’ll examine the top pure-play quantum computing companies and the leading quantum players within Big Tech, highlight their recent developments (especially in Q3–Q4 2025), and survey expert commentary and analyst outlooks. We’ll also discuss the broader ecosystem – including companies providing the “picks and shovels” like quantum hardware components and cloud services – that support this quantum boom. To start, the tables below offer a high-level comparison of key quantum computing stocks: Quantum computing is at the forefront of technological innovation, offering transformative potential across industries such as finance, healthcare, logistics, and cybersecurity.

As this sector matures in 2025, investors seeking long-term growth and disruptive opportunity are closely watching the leading quantum computing stocks. Here’s a deep dive into the top picks, segmented by pure-play quantum firms and major tech giants with significant quantum exposure. Quantum computing’s investment landscape in 2025 is vibrant and diverse, comprising pure innovators, global technology leaders, and emerging private players. The current top stocks—IonQ, Rigetti, D-Wave, Quantum Computing Inc., IBM, Microsoft, Alphabet, Honeywell/Quantinuum, Amazon, Nvidia, and SpinQ—are shaping the sector’s future. Investors seeking to benefit from the next tech revolution should consider a diversified approach, stay current on technical milestones, and be prepared for volatility as this breakthrough industry evolves. Disclaimer: Quantum computing stocks are speculative and volatile.

Conduct thorough due diligence, and consider risk tolerance and investment horizon before entering this emergent sector. This article is partly based on publicly available information and relevant technical literature. It has been compiled and analyzed by our team for learning and communication purposes only. Quantum stocks represent the next major breakthrough in modern technology. These systems have little in common with today's digital computers, so experts in the field could become market-beating giants in the long run. Quantum computing technology harnesses the power of quantum mechanics, utilizing effects like superposition -- the phenomenon that occurs at the subatomic scale in which objects have no clearly defined state.

It's exciting because this field of research promises to accelerate computing speed by an order of magnitude greater than what's possible today. However, while quantum computing has made great strides in just a few years, the technology is still mostly in the research and development stage in 2025. Quantum computers are continually improving and becoming more affordable to develop, and the advent of cloud computing is making quantum technology even more accessible for researchers and software developers. For example, in December 2024, researchers at the Google Quantum AI group demonstrated a new quantum computing chip called Willow. This chip had the strongest error correction seen to that point and performed extremely well in industry-standard benchmark tests such as the random circuit sampling (RCS) test. The achievement inspired a quick boom in quantum computing stocks.

However, the researchers also made it clear that Willow's performance was just a small step on a long road. Quantum computing is back in focus for 2025. After a volatile start to the year, major players like Microsoft, Alphabet, and Nvidia are pushing forward with hardware, cloud-based integration, and AI-linked breakthroughs. That’s why the top traders are watching this sector again—not chasing hype, but tracking setups tied to real catalysts. Check out my current quantum computing and AI penny stock watchlist here! This watchlist focuses on publicly traded companies involved in quantum computing, including pure-plays and large-cap tech giants.

You’ll see stocks on both the Nasdaq and NYSE, from speculative low-float movers to high-stability names that anchor ETFs and institutional portfolios. I don’t trade names like these unless the setup fits my criteria, but I monitor them every day for potential spikes, sector sympathy, and short squeeze potential. These aren’t picks—they’re potential trades. Watch the news, earnings, and volume. Use the data to build a smarter strategy. That’s how I teach my students, and that’s how I trade every day.

Quantum computing is based on qubits, which can hold multiple values simultaneously. This allows quantum computers to run calculations and simulations that would take classical machines years to solve—if they could solve them at all. They’re not just theoretical anymore. Systems are being tested in cloud environments and used for niche applications like encryption and molecular modeling. In this article, we will look at the 10 Best Performing Quantum Computing Stocks So Far in 2025. On July 21, Haim Israel, Head of Global Thematic Research at Bank of America, joined CNBC to talk about the revolutionary potential of quantum computing.

He noted that most of us were expecting quantum computing to be at least 20 years away. However, with the latest advancements in AI, the breakthroughs in quantum computing have been shocking. This is because AI is now empowering these quantum computing developers to crunch data, make the right algorithms, and analyze this complicated technology. He noted that we have already started witnessing the first commercial applications of quantum computing in 2025. This has accelerated the potential timeline of quantum computing advancement. Haim noted that now, in 2030, we are expecting quantum advantage, which means that quantum computing would be running without any relay, similar to normal computers.

Moving ahead five to six years from quantum advantage, Haim expects the start of quantum supremacy. Haim noted that the age of quantum supremacy, which is approximately 10 years from now, would be far bigger than the dotcom or the AI revolution. He explained that this is because we live in the age of data, where the world is producing around 400 quintillion bytes of data every day. Quantum computing will enable the processing and analysis of this data almost instantaneously. With that, let’s take a look at the 10 best performing quantum computing stocks so far in 2025. Pure-play quantum computing stocks got Wall Street's attention in 2025 as JPMorgan, Jefferies, Evercore ISI, Cantor Fitzgerald and Mizuho Securities initiated coverage on some companies while Barclays and Bank of America published in-depth reports...

Heading into 2026, IonQ (IONQ) and D-Wave Quantum (QBTS) hold the most buy ratings along with the highest price targets on average… 9:00 AM ET The stock market fell to end a solid 2025. Palantir and Nvidia chipmaker Taiwan Semi were in focus. Tesla deliveries... 9:00 AM ET The stock market fell to end a solid 2025. Palantir...

Get instant access to exclusive stock lists, expert market analysis and powerful tools with 2 months of IBD Digital for only $20! Get market updates, educational videos, webinars, and stock analysis. IonQ and D-Wave Quantum have exciting technologies. Alphabet and Microsoft need to develop their own quantum computing capabilities in-house to improve profitability. Quantum computing is slated to become the next big tech investment trend following artificial intelligence (AI). We're still in the early innings of this exciting technology, but most companies agree that 2030 will be a turning point in this space.

However, waiting until 2030 to start investing in this field after the winners are established is a mistake. Many of these companies will likely have dramatically increased in value by then, causing investors to lose out on massive returns. By investing today, it's possible to pick some of the winners in this space before they've become too large to provide substantial returns. I've identified four options that appear to be excellent investments in quantum computing, ranging from startups to established big tech players. By staying balanced in this opportunity, investors can capitalize on the trend while ensuring positive returns. Where to invest $1,000 right now?

Our analyst team just revealed what they believe are the 10 best stocks to buy right now. Learn More » Quantum computing is gradually moving from theory to real-world impact—and investors are well aware. As breakthroughs continue across industries like healthcare, cybersecurity, and finance, quantum computing stocks are becoming one of the most exciting options for long-term investment. With tech giants and specialized startups racing to develop quantum hardware and software, 2025 could prove to be a pivotal year for this high-potential sector. This article highlights eight quantum computing stocks worth watching, discussing their market performance, analyst forecasts, and growth potential.

Quantum computing represents a long-term technological development with potential future impacts across multiple sectors, including cryptography, drug discovery, climate modeling, and financial analysis. Investments in quantum computing companies are fundamentally different from typical tech investments. They represent early-stage positions in a technology that may take 5-10 years to reach commercial maturity. While there's potential for significant returns if the technology achieves its promised breakthroughs, investors should understand that this sector carries substantial technical, commercial, and timing risks. Most quantum computing investments are best viewed as a small, speculative portion of a diversified portfolio with a multi-year time horizon. With the quantum computing industry on the rise, several major companies stand out due to their substantial contributions and impressive market presence.

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