American Century Investments, an investment management company, released its fourth-quarter 2025 investor letter for the “American Century Investments Small Cap Value Fund.” A copy of the letter is available to download here. U.S. stocks advanced during the quarter, with large-cap stocks slightly outperforming small-cap stocks, while both groups did better than mid-cap stocks. Across all market capitalization categories, value-style stocks surpassed growth-style stocks. The economy grew at an annualized rate of 4.3% in the third quarter, compared to 3.8% in the previous quarter, and corporate earnings also showed improvement. Although inflation eased, unemployment rose to 4.6% in November. The Fund recorded a return of -1.06% (Investor) for the quarter, while the Russell 2000 Value Index returned 3.26%. This underperformance of the Fund can be attributed to both allocation choices and stock selection. Please review the Fund’s top five holdings to gain insights into their key selections for 2025.
In its fourth-quarter 2025 investor letter, American Century Investments Small Cap Value Fund highlighted MARA Holdings, Inc. (NASDAQ:MARA). MARA Holdings, Inc. (NASDAQ:MARA) is an energy and digital infrastructure company. On April 2, 2026, MARA Holdings, Inc. (NASDAQ:MARA) closed at $8.71 per share. One-month return of MARA Holdings, Inc. (NASDAQ:MARA) was 8.74%, and its shares lost 22.92% over the past 52 weeks. MARA Holdings, Inc. (NASDAQ:MARA) has a market capitalization of $3.31 billion.
American Century Investments Small Cap Value Fund stated the following regarding MARA Holdings, Inc. (NASDAQ:MARA) in its fourth quarter 2025 investor letter:
“MARA Holdings, Inc. (NASDAQ:MARA). Shares of this bitcoin miner and data center power solutions provider underperformed during the quarter as cryptocurrency-related plays sold off amid weakness in bitcoin prices. As a result, our lack of exposure to MARA was beneficial to relative returns.”
MARA Holdings, Inc. (NASDAQ:MARA) is not on our list of 40 Most Popular Stocks Among Hedge Funds Heading Into 2026. According to our database, 30 hedge fund portfolios held MARA Holdings, Inc. (NASDAQ:MARA) at the end of the fourth quarter, compared to 35 in the previous quarter. While we acknowledge the potential of MARA Holdings, Inc. (NASDAQ:MARA) 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.