With inflation worries tied to energy prices, shifting rate expectations and ongoing geopolitical tension, investors are looking for companies that are built to handle shocks rather than just ride easy markets. Fast growing stocks with high insider ownership can be one way to focus on businesses where management and shareholders are closely aligned, and where growth expectations are backed by those closest to the numbers. Using our Fast Growing Stocks With High Insider Ownership screener, this article highlights 3 stocks that fit this theme and may help you focus your research on growth backed by committed insiders.

Upstart Holdings (UPST)

Overview: Upstart Holdings operates a cloud-based AI lending platform that helps banks and other partners assess consumer creditworthiness for products like unsecured personal loans, small dollar loans, auto loans, and home equity lines of credit. The platform aims to make lending decisions more data driven than traditional credit scores alone.

Operations: Upstart generates about US$1.0b in revenue from Personal Lending, with total reported revenue of US$1.2b coming from the United States.

Market Cap: US$3.0b

Investors looking at Upstart Holdings are really weighing two big ideas: AI driven credit models and a funding model that does not rely on deposits. The company’s Model 19 underwriting, HELOC expansion, and small dollar loan data are all about using more information to support loan approvals and manage default risk, while recent deals like the renewed US$600m forward flow with Neuberger Specialty Finance point to continued institutional appetite for its loans. At the same time, high forecast growth, a rich P/E multiple, and reliance on external funding leave little room for missteps if defaults or macro conditions turn. The real question is whether Upstart’s AI edge and partner network are enough to justify those expectations over time.

Upstart’s AI lending engine, rich P/E, and reliance on external funding create a tight risk reward puzzle. Reviewing the 3 key rewards and 1 important major warning sign could highlight the crucial factor the market might be missing.

On Holding (ONON)

Overview: On Holding is a Zurich based sportswear company that designs and sells premium athletic footwear, apparel, and accessories under the On brand for runners, outdoor athletes, everyday wear, and younger customers, using both wholesale partners and its own stores and e-commerce channels across major global markets.

Operations: On Holding generates about CHF3.1b in revenue primarily from athletic footwear, with reported regional data highlighting CHF564.5m from Asia-Pacific and a large segment adjustment that reflects internal reporting allocations.

Market Cap: US$12.6b

On Holding appeals to growth focused investors because it combines a fast expanding direct to consumer and e-commerce model with a premium global brand that stretches from performance running into tennis, trail, lifestyle, and apparel. Rising DTC mix and automated manufacturing like LightSpray are helping margin efficiency, while international demand, including strong Asia-Pacific contributions, supports the revenue profile. At the same time, the stock has a rich P/E, relies heavily on premium pricing, and spends aggressively on marketing and new markets, so any slowdown in consumer appetite or fashion trends could pressure margins. What many investors may be considering is how these product franchises, demographic reach, and margin levers compare with those risks.

On Holding’s rapid brand expansion and premium pricing power are getting plenty of attention, but fewer investors are really looking through the analyst forecasts for On Holding that could reshape the risk story hiding underneath.

AppLovin (APP)

Overview: AppLovin runs an AI powered advertising platform that helps app developers, brands, and e-commerce businesses manage, measure, and monetize their marketing across mobile apps and connected TV, while also owning its own portfolio of apps. Its tools, including Axon Ads Manager, MAX, Adjust, and Wurl, are used by everyone from indie studios to large enterprises to automate ad buying and improve campaign performance.

Operations: AppLovin generates about US$6.2b in revenue from its Advertising segment, with roughly US$3.1b coming from the United States and US$3.0b from the rest of the world.

Market Cap: US$148.8b

AppLovin is drawing interest because it combines an AI driven ad platform, a high margin profile, and expanding reach into e-commerce advertising at a time when many advertisers are looking for more efficient performance marketing. The company reports net and EBITDA margins that support continued investment in Axon and self service tools, while analyst coverage highlights potential benefits if international and non gaming verticals scale. At the same time, AppLovin faces meaningful risks from tighter data privacy rules, platform policy changes by Apple and Google, and heavy competition from larger ad tech and social media players. How those positives and risks balance out is where the real opportunity or downside for AppLovin may lie for growth oriented investors focused on insider aligned companies.

AppLovin’s accelerating AI ad engine and global reach are only half the story; the real twist is buried in the 4 key rewards and 1 important warning sign that could explain what many investors are still missing

The three stocks in this article are just a starting point, and the full Fast Growing Stocks With High Insider Ownership screener surfaces 1,259 more companies with equally compelling insider backed growth stories through the Fast Growing Stocks With High Insider Ownership screener. Use Simply Wall St to identify, analyze, and filter for the specific catalysts and narratives that matter to you so you can focus on the highest conviction opportunities that fit your own investing style.

Take Control of Your Investment Journey

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.