In just two to three years, the debate around AI and stock picking has shifted drastically. Not long ago, many said there was no point in letting AI chatbots pick stocks, and that you could only use them for research. Today, many firms and companies are handing portfolios over to AI agents amid a fast rise in AI learning and context memory. We have followed that shift through the AI portfolios that Claude, ChatGPT and others run with real money. See Claude’s best-performing picks here.
Retail Investors Are Handing Over Control
Wall Street is moving fast. Brokerages including Robinhood and Webull now let customers connect their portfolios to AI agents such as Claude and Codex, which can then buy and sell on their own, The Wall Street Journal reported in September. Moomoo, an online brokerage and trading platform, made agentic trading available in April, and its U.S. chief executive estimates that about 20% of its trading volume could come from agents by the end of the year, the Journal reported.
The Journal gave several examples of everyday investors who are already doing this. It mentioned an investor who runs a team of Claude agents which scan the market for stocks and ETFs, check open positions before the close and write a weekly performance report. The investor reportedly said the agents are beating most of the accounts he runs himself.
Claude runs its own portfolio in the Rallies arena too, and it has put 14.5% of it into a data center contractor. See why Claude made that bet here.
Researchers see risks too. A National Bureau of Economic Research working paper found that AI models asked to build an investment strategy picked concentrated portfolios, high-valuation stocks and the companies with the most media coverage, and did not beat passive benchmarks, the Journal reported. Irene Aldridge, a former quant trader who studies AI in markets, told the Journal that investors do this at their own risk and that many agents using the same data could crowd into the same trades and add volatility.
Photo by Adam Nowakowski on Unsplash
Gemini Is Beating the S&P 500
That is the backdrop for Gemini’s run in the Rallies AI Arena. Rallies is an AI investing app that gives several leading AI models money to trade stocks. Models like ChatGPT, Claude, Gemini and Grok each manage a $100,000 portfolio. Rallies told them to beat the S&P 500. Rallies Arena said on X on Oct. 20 that Gemini is up 26% since the contest began in late November, compared with a 13.9% return for the S&P 500 over the same period. ChatGPT is also ahead, with its portfolio up 75.6% since March, according to Rallies Arena. Check ChatGPT’s latest 10 picks here.
Methodology
We ranked the 4 stocks in Gemini’s portfolio in ascending order based on the number of hedge fund investors at the end of the second quarter of 2026. The data comes from Insider Monkey’s database of 1,006 hedge funds. The performance figure for each stock shows its gain or loss since Gemini bought it, according to Rallies data as of Oct. 22. Today’s price is the closing price on Oct. 22.
#4 Intuitive Surgical, Inc. (NASDAQ:ISRG)
Number of Hedge Fund Investors: 100
Stock Price When Gemini Bought: $433.22
Today’s Price: $443.85
Intuitive Surgical is up 2.2% since Gemini bought it, according to Rallies data as of Oct. 22. It makes up 11.7% of the portfolio. Intuitive Surgical makes the da Vinci robotic systems that surgeons use for minimally invasive procedures. The company reported third-quarter results on Oct. 20 that beat estimates for revenue and adjusted earnings per share, and it narrowed its full-year procedure growth forecast to 14% to 15%. Investors focused on margin pressure, a litigation settlement and planned price cuts on instruments. The stock rose 3.7% on Oct. 22. Jim Cramer has told viewers to buy Intuitive Surgical every time the stock sells off. See what else Cramer said here.
Bulls say Intuitive Surgical’s strength sits in the robots already installed in hospitals. In the recently reported quarter, instrument and accessory revenue rose 18% and service revenue rose 22%. The company is planning price cuts. Bulls think the planned price cuts will widen its customer base. The cuts focus on common, high-volume procedures such as hernia repair, where cost keeps many hospitals from using a robot, and about 1 million hernia repairs happen in the U.S. each year. After early pricing programs, customers in Germany, the U.K., India and Japan expanded their use beyond urology and cancer surgery. Management said wider use is worth more than the revenue lost on each procedure, and the payoff should build over time, with little effect in 2027.
#3 ServiceNow, Inc. (NYSE:NOW)
Number of Hedge Fund Investors: 115
Stock Price When Gemini Bought: $93.24
Today’s Price: $157.00
ServiceNow is up 68.7% since Gemini bought it, the best result in the portfolio, according to Rallies data as of Oct. 22. It makes up 9.4% of the portfolio. ServiceNow sells cloud software that helps companies automate IT, HR and customer service work. The stock gained 10% in the month through Oct. 20, and ten firms raised their price targets ahead of third-quarter results on Oct. 28. The stock also dropped 4.4% in one day this month when enterprise software sold off on worries about AI financing.
Back in July, the stock was down about 28% this year on fears that AI would hurt software, and some value investors called that a buying setup. Read what the bulls argued here.
ServiceNow is down about 16% over the past year amid fears that AI will make software companies obsolete, but the company is changing and bulls are hopeful. The new model is how ServiceNow charges customers. For years it charged a fee for each employee seat, so its revenue grew only as customers added more people to the software. Now it also charges for “assists,” each one a unit of work its AI completes. Bulls like this because revenue grows with how much customers use the AI, and a single AI agent can do the work of many people. If AI means fewer people use the software, the old seat model would have cut ServiceNow’s revenue. The assist model pays ServiceNow more as AI takes on more work.
#2 Alphabet Inc. (NASDAQ:GOOGL)
Number of Hedge Fund Investors: 275
Stock Price When Gemini Bought: $342.04
Today’s Price: $324.22
Alphabet is down 5.1% since Gemini bought it, according to Rallies data as of Oct. 22. Gemini put only 0.6% of the portfolio into the stock, even though Alphabet is the company that makes Gemini. The shares fell 3.15% on Oct. 22 as AI stocks sold off, and Alphabet reports third-quarter earnings on Oct. 28. Claude’s AI portfolio named Alphabet its best performer this year. Find out what drove the gain here.
Under the splashy headlines about new models like Gemini 4 Argon and cloud growth, the market is missing something. Alphabet’s bread and butter is Search, and nobody has a clear answer for what happens as people stop clicking links. A SparkToro study found that 68% of US Google searches in the first four months of 2026 ended without a click. A randomized experiment published in April found that when an AI Overview shows, clicks to outside websites fall about 40%.
Bulls say Alphabet can diversify, and the numbers so far support them. Google Cloud revenue rose 82% in the second quarter, and its operating margin went to 36.5% from 17.8% a year earlier. Alphabet now sells its own AI chips, called TPUs, straight to customers’ data centers, and Waymo is giving about 500,000 paid rides a week. Search has held up too. Search revenue rose 17% in the second quarter, and clicks on paid results stayed flat in the same experiment that measured the drop in free clicks.
#1 NVIDIA Corporation (NASDAQ:NVDA)
Number of Hedge Fund Investors: 285
Stock Price When Gemini Bought: $183.28
Today’s Price: $212.21
NVIDIA is up 16.2% since Gemini bought it, according to Rallies data as of Oct. 22. It makes up 14.6% of the portfolio. The stock fell 4.4% on Oct. 22 as investors worried about power-grid limits and chip supply constraints. NVIDIA reports earnings on Nov. 17. The stock has slipped after a rough two weeks for AI stocks, and two billionaires still like it. See who they are here.
Bulls say NVIDIA’s lead now reaches well beyond its chips. The company sells the networking gear, the processors and the software that run AI data centers. It now lets other companies’ custom chips plug into its systems, so a customer that builds its own chip can still end up buying from NVIDIA. NVIDIA also bought Hugging Face, a popular home for open AI models, which puts its software in front of millions of developers.
Bears worry that NVIDIA’s growth depends on customers who borrow heavily to buy its chips. Newer AI cloud companies such as CoreWeave are paying more to borrow, and NVIDIA is in talks with large insurers to back those chip loans. If the insurers say no, chip spending could slow.
To read the full version, visit Gemini Latest Stock Portfolio: Top 7 Stock Picks
While we acknowledge the risk and potential of NVDA as an investment, our conviction lies in the belief that some AI stocks hold greater promise for delivering higher returns and doing so within a shorter time frame. If you are looking for an AI stock that is more promising than NVDA and that has 10,000% upside potential, check out our report about this cheapest AI stock.
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