Brown Advisory, an investment management company, released its “Brown Advisory Mid-Cap Growth Strategy” fourth-quarter 2025 investor letter. A copy of the letter can be downloaded here. The Strategy lagged the Russell Midcap® Growth Index in the fourth quarter due to stock selection. While the performance was in line with the expectations for the full year. The firm believes that the Strategy underperformed in 2025 because it did not own Palantir Technologies Inc (PLTR). The Strategy focuses on achieving solid risk-adjusted returns by investing in high-quality compounders with fair valuations and market capitalizations between $2 billion and $50 billion at the time of purchase. Please review the Strategy’s top five holdings to gain insights into their key selections for 2025.

In its fourth-quarter 2025 investor letter, Brown Advisory Mid-Cap Growth Strategy highlighted stocks like The Trade Desk, Inc. (NASDAQ:TTD). The Trade Desk, Inc. (NASDAQ:TTD) is a leading technology company that specializes in digital advertising campaigns. On March 20, 2026, The Trade Desk, Inc. (NASDAQ:TTD) stock closed at $24.11 per share. One-month return of The Trade Desk, Inc. (NASDAQ:TTD) was -0.25%, and its shares lost 59.37% over the past 52 weeks. The Trade Desk, Inc. (NASDAQ:TTD) has a market capitalization of $11.48 billion.

Brown Advisory Mid-Cap Growth Strategy stated the following regarding The Trade Desk, Inc. (NASDAQ:TTD) in its fourth quarter 2025 investor letter:

"The Trade Desk, Inc. (NASDAQ:TTD): Operates as a technology company which empowers buyers of advertising. The Trade Desk (TTD) traded at a lower multiple despite relatively stable near-term revenue expectations, as investors weighed the potential impact of increased competition from Amazon on the company’s longer-term growth profile."

The Trade Desk, Inc. (NASDAQ:TTD) is not on our list of 40 Most Popular Stocks Among Hedge Funds Heading Into 2026. According to our database, 60 hedge fund portfolios held The Trade Desk, Inc. (NASDAQ:TTD) at the end of the fourth quarter, up from 42 in the previous quarter. While we acknowledge the potential of The Trade Desk, Inc. (NASDAQ:TTD) as an investment, we believe certain AI stocks offer greater upside potential and carry less downside risk. If you're looking for an extremely undervalued AI stock that also stands to benefit significantly from Trump-era tariffs and the onshoring trend, see our free report on the best short-term AI stock.

In another article, we covered The Trade Desk, Inc. (NASDAQ:TTD) and shared Baron Opportunity Fund's views on the company. In addition, please check out our hedge fund investor letters Q4 2025 page for more investor letters from hedge funds and other leading investors.

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Disclosure: None. This article is originally published at Insider Monkey.