RiverPark Advisors, an investment advisory firm and sponsor of the RiverPark family of mutual funds, released its “RiverPark Large Growth Fund” Q4 2025 investor letter. A copy of the letter can be downloaded here. The US stock market delivered modest gains in the quarter with the S&P 500 index (“S&P”) and the Russell 1000 Growth index (“RLG”) returning 2.6% and 1.1%, respectively. The Fund appreciated by 1.4% during the same period. For the full year, the Fund was up 13.3% vs. 17.4% and 18.6% gains, respectively, for the indexes. The performance in the Russell 1000 Growth Index was uneven.  Market leadership remains concentrated, but underlying divergence has deepened. Investors preferred companies with durable earnings and progress in monetizing growth, especially in health care and parts of the AI value chain. The Fund is optimistic that its portfolio consists of attractively valued companies benefiting from strong growth trends and expected to generate significant cash flow. Please review the Fund’s top five holdings to gain insights into their key selections for 2025.

In its fourth-quarter 2025 investor letter, RiverPark Large Growth Fund stocks like Alphabet Inc. (NASDAQ:GOOG). Alphabet Inc. (NASDAQ:GOOG), the parent company of Google, offers various platforms and services, including online search and advertising, cloud solutions, and artificial intelligence, and is a significant contributor to the fund’s performance during the quarter. On March 24, 2026, Alphabet Inc. (NASDAQ:GOOG) stock closed at $289.20 per share. One-month return of Alphabet Inc. (NASDAQ:GOOG) was -7.68%, and its shares gained 72.90% over the past 52 weeks. Alphabet Inc. (NASDAQ:GOOG) has a market capitalization of $3.51 trillion.

RiverPark Large Growth Fund stated the following regarding Alphabet Inc. (NASDAQ:GOOG) in its fourth quarter 2025 investor letter:

"Alphabet Inc. (NASDAQ:GOOG): GOOG was our top performer in 4Q25 as shares reacted positively to the company’s strong third-quarter results and improving sentiment around digital advertising and AI monetization. Search and YouTube revenues both exceeded expectations, driven by stronger ad budgets across retail and travel, while Google Cloud grew more than 30% year-over-year, supported by rapid adoption of AI training and inference services. The company also introduced several Gemini platform enhancements during the quarter, including lower-cost inference options and new enterprise security layers, which were well received by customers and analysts.

Alphabet Inc. (NASDAQ:GOOG) ranks 7th on our list of 40 Most Popular Stocks Among Hedge Funds. As per our database, 203 hedge fund portfolios held Alphabet Inc. (NASDAQ:GOOG) at the end of the fourth quarter which was 186 in the previous quarter. In 2025, Alphabet Inc. (NASDAQ: GOOG) achieved its first-ever $400 billion annual revenue. While we acknowledge the potential of Alphabet Inc. (NASDAQ:GOOG) 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 Alphabet Inc. (NASDAQ:GOOG) and shared top sock picks from Jim Cramer stock portfolio. 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.