3 of the fastest growing stocks on the planet in 2026

• Growth stocks are at the center of Wall Street’s three-year bull market rally.

• A trio of high-octane growth stocks are expected to see their annual sales rise between 169% and 521% in the new year.

• However, a great investment involves much more than amazing revenue growth.

• 10 stocks we like better than AST SpaceMobile ›

It’s been an incredible three years for the stock market. From the beginning of 2023 to the end of 2025, the Dow Jones Industrial Average, S&P 500and Nasdaq Composite they have gained 45%, 78% and 122%, respectively.

Although several catalysts have fueled this rally, including the prospect of lower interest rates and better-than-expected corporate earnings, it is the outperformance of growth stocks that has really led the charge. Next big trends, like the artificial intelligence (AI) revolution and the arrival of quantum computing, have investors dreaming of sky-high addressable markets.

In 2026, some of the fastest-growing stocks on the planet are expected to generate triple-digit sales growth. However, the surprising sales growth doesn’t necessarily mean this stock is worth buying.

The first supercharged growth stock that’s sure to turn heads in the new year is the satellite cellular broadband service provider. AST Mobile Space (NASDAQ: ASTS). If the Wall Street analyst consensus proves correct, AST SpaceMobile sales will rise nearly 1,200% in 2025, to $57.3 million, before rocketing another 311% in 2026 to $235.6 million.

What AST offers is a potential revolutionary solution for telecommunications companies. While other companies had previously attempted to provide global broadband cellular coverage, their service required the use of specialized and expensive phones.

AST SpaceMobile’s BlueBird satellites are designed to work with existing smartphone technology to provide 4G and 5G cellular broadband service. Without the need for any new technology, AST offers a seamless transition for existing wireless operators.

Additionally, AST SpaceMobile has done a phenomenal job of securing partnerships with brand-name wireless carriers. According to the company, it is working with more than 50 global mobile network providers covering almost 3 billion cellular subscribers combined. Instead of launching an expensive rival network and having to acquire customers, AST has wisely partnered with the big boys and set itself a clear path to parabolic revenue growth.

However, AST SpaceMobile’s success will depend on its ability to launch its satellites in a timely manner, as well as maintaining a consistent production cost profile. If BlueBird satellites become more expensive to produce, this is expected to negatively impact AST results.

Despite AST SpaceMobile’s long-term game-changing potential, its current valuation of $33.3 billion, as of this writing on January 8, leaves virtually no room for error.

Another hyped company that can boast being one of the fastest growing stocks on the planet in 2026 is the quantum computing-only stock. Rigetti Computing (NASDAQ:RGTI). If Rigetti generates $7.6 million in estimated full-year 2025 sales, the consensus of $20.5 million for 2026 would represent 169% revenue growth.

At one point in 2025, Rigetti shares had soared more than 5,000% in the past 12 months. This astronomical rise was driven by the expectation that quantum computing will become one of the hottest trends on Wall Street over the next decade. Rigetti’s quantum computers offer customers the ability to run fast, simultaneous calculations capable of solving complex problems that classical computers cannot address. Boston Consulting Group estimated the addressable global opportunity for quantum computing at between $450 billion and $850 billion by 2040.

The buzz surrounding Rigetti Computing is also being fueled by some of the brand and client partnerships it has secured. For example, customers of cloud infrastructure services for Amazon and microsoft Both have gained access to Rigetti’s quantum computers.

While the excitement surrounding quantum computing is palpable, it could also be said to be unwarranted. Rigetti Computing and its peers are still in the very early stages of commercialization of its quantum computers and services. Most analysts agree that it will be years before this technology becomes a more cost-effective solution for practical problem solving compared to classical computers.

Beyond the growing prospect that the quantum computing bubble will burst sometime in 2026, Rigetti Computing’s price-to-sales (P/S) ratio is virtually impossible to justify. Even if investors model sales three years from now, Rigetti’s P/S ratio would be well above 30, which has historically been the arbitrary line in the sand indicating the presence of a bubble and/or an unsustainable valuation.

However, the fastest-growing high-profile stock on the planet in 2026 may be a promising AI company. Nebio Group (NASDAQ: NBIS). Wall Street analysts expect Nebius sales to have increased 373% in 2025 to nearly $556 million, with a 521% increase to an estimated $3.45 billion this year.

The demand for AI infrastructure is off the charts. The ability of software and systems to make split-second decisions without human intervention is a revolutionary innovation that, according to PwC analysts, can add more than $15 trillion to global gross domestic product by 2030.

Since the demand for AI computing is overwhelming, Nebius Group is having little trouble finding clients to lease its AI-powered data centers. This includes a five-year, $17.4 billion deal with Microsoft, as well as a deal valued at around $3 billion, also spanning five years, with Metaplatforms.

Additionally, Nebius Group is more than just AI hardware. Provides a fully managed and optimized software service for artificial intelligence and machine learning platforms. Nebius also owns an 83% stake in subsidiary Avride, an autonomous driving and delivery robotics company. In other words, it has truly embraced the rise of AI.

However, there is a real possibility that AI will suffer the same bubble-bursting fate as quantum computing. Despite the supernatural demand for AI infrastructure, most companies have failed to figure out how to optimize this technology to maximize their sales and profits. Every big trend of the last three decades has found its way through a bubble-bursting event, suggesting that AI will (eventually) follow suit. An event that bursts an AI bubble would likely weigh heavily on Nebius Group stock.

Nebius is also expected to lose money for the foreseeable future. While its staggering growth has investors mesmerized, this could quickly change if Wall Street indices undergo a correction.

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Sean Williams has positions at Amazon and Meta Platforms. The Motley Fool positions and recommends Amazon, Meta Platforms, and Microsoft. The Motley Fool recommends the following options: long January 2026 $395 calls on Microsoft and short January 2026 $405 calls on Microsoft. The Motley Fool has a disclosure policy.

3 of the Fastest Growing Stocks on the Planet in 2026 was originally published by The Motley Fool