When investors look at the headline profits from the biggest names in tech, the numbers look spectacular. But a closer look at the fine print reveals that a significant chunk of those gains isn't coming from selling more chips, ads, or cloud services. Instead, it's coming from the rising value of their stakes in other AI companies.
Alphabet, Amazon, Nvidia, and Microsoft collectively booked more than $160 billion in gains last quarter from their investments in AI-linked firms, including OpenAI, Anthropic, and SpaceX. These are so-called paper gains—profits that exist on paper because the value of the investments went up, but which haven't been turned into cash by selling the stakes.
Where the money is coming from
These gains flow through a line item called “other income” on the companies' income statements. That's separate from the revenue and profit generated by their core operations, like search advertising, e-commerce, cloud computing, or data center chips. For investors, this distinction matters a lot.
When a company like Nvidia reports a massive profit beat, the market often reacts positively, pushing the stock higher. But if a big part of that beat comes from investment gains rather than stronger demand for its products, the quality of the earnings is lower. It's a one-time or non-operating boost that may not repeat.
In this case, the gains are tied to the surging valuations of private AI startups. OpenAI, for example, has seen its valuation climb dramatically as it raises capital and expands its products. Anthropic, another AI lab, has also attracted huge investment. SpaceX, while not purely an AI company, is also part of the portfolio of some of these tech giants.
Why this matters for everyday investors
For the average person investing in index funds or individual tech stocks, this trend has several implications. First, it means that headline earnings per share (EPS) may be flattered by these non-operating gains. When you see a company report record profits, it's worth checking whether those profits came from the actual business or from investment markups.
Second, these paper gains can reverse. If the AI startup bubble deflates—or even just cools off—the same investments could produce losses in future quarters. That would drag down reported profits, even if the core business is doing fine. This is exactly the kind of volatility that can surprise investors who only look at the bottom line.
Third, it highlights how interconnected the AI boom has become. The biggest tech companies are not just selling AI tools; they are also major investors in the startups that are building them. That creates a feedback loop: the more these startups are worth, the better the tech giants' earnings look, which can push their stocks higher, which in turn gives them more capital to invest further.
What to watch next
Investors should pay attention to how much of a company's profit is coming from “other income” versus operating income. In the coming quarters, watch for any signs that these investment gains are shrinking or turning into losses. Also, keep an eye on the valuations of private AI companies—if they start to plateau or decline, the impact will show up in the earnings of the big tech firms.
This isn't to say that the AI boom is fake. The core businesses of these companies are still growing, and AI is driving real demand for chips, cloud services, and digital advertising. But the recent profit surge is partly a financial engineering effect, not just a reflection of operational strength.
For a broader perspective on how AI is reshaping markets, you might be interested in what happens if the AI trade doesn't fade. And for a look at how AI is boosting profits at smaller companies, see Kingsoft's AI push lifts profits.
Ultimately, the lesson for investors is to look beyond the headline numbers. Understand where the profits are coming from, and whether they are sustainable. The AI boom is real, but the profits it generates are not all created equal.
