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Artisan Partners, an investment management company, released its first-quarter 2026 investor letter for the “Artisan Mid Cap Fund”. A copy of the letter is available to download here. In Q1 2026, the Artisan Mid Cap Fund reported negative absolute returns but slightly outperformed the Russell Midcap® Growth Index. The market favored lower volatility and income-oriented equities, with value outpacing growth significantly. Despite challenges for growth strategies, selective stock choices in sectors like industrials and healthcare provided strength, while consumer discretionary faced weaknesses. Mid- and small-cap indices showed resilience amid lagging large-cap growth stocks. The escalating conflict in Iran influenced market behavior, and AI-related investments continued to support capital spending and earnings. In addition, please check the Fund’s top five holdings to know its best picks in 2026.
In its first-quarter 2026 investor letter, Artisan Mid Cap Fund highlighted SiTime Corporation (NASDAQ:SITM) as a newly added position. SiTime Corporation (NASDAQ:SITM) designs and develops solutions for silicon timing systems. On May 8, 2026, SiTime Corporation (NASDAQ:SITM) closed at $833.08 per share. One-month return of SiTime Corporation (NASDAQ:SITM) was 86.34%, and its shares gained 307.12% over the past 52 weeks. SiTime Corporation (NASDAQ:SITM) has a market capitalization of $21.99 billion.
Artisan Mid Cap Fund stated the following regarding SiTime Corporation (NASDAQ:SITM) in its Q1 2026 investor letter:
"During the quarter, we initiated new positions in Semtech, Tradeweb Markets and SiTime Corporation (NASDAQ:SITM). SiTime develops silicon-based timing solutions used across communications, data center and industrial applications. We initiated a GardenSM position as we believe the company is well placed to take advantage of the transition from legacy quartz timing solutions to higher performance, silicon-based miniaturized mechanical and electromechanical devices. Increasing content in AI-driven infrastructure has also been supporting sustained growth. With multiple catalysts emerging, including data center upgrades and new product expansion, we see a potential path to accelerating revenue growth and operating leverage. We used the recent pullback to opportunistically begin building a position."
SiTime Corporation (NASDAQ:SITM) is not on our list of 40 Most Popular Stocks Among Hedge Funds Heading Into 2026. According to our database, 41 hedge fund portfolios held SiTime Corporation (NASDAQ:SITM) at the end of the fourth quarter, up from 35 in the previous quarter. SiTime Corporation (NASDAQ:SITM) reported strong Q1 2026 revenue of $113.6 million, an increase of 88% year-over-year. While we acknowledge the potential of SiTime Corporation (NASDAQ:SITM) 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 SiTime Corporation (NASDAQ:SITM) and shared the list of best American semiconductor stocks to buy according to analysts. In addition, please check out our hedge fund investor letters Q1 2026 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.