Is AptarGroup (ATR) an Undervalued Stock?

Investment management company Ave Maria recently released its “Ave Maria Growth Fund” third-quarter 2025 investor letter. A copy of the letter can be downloaded here. In the third quarter, the fund returned -0.48% compared to the S&P 500 Index’s 8.12% return and the S&P 500® Dividend Aristocrats Index’s 2.97% index. You can check the fund’s top 5 holdings for its best picks for 2025.

In its third-quarter 2025 investor letter, Ave Maria Growth Fund highlighted stocks such as AptarGroup, Inc. (NYSE:ATR). Headquartered in Crystal Lake, Illinois, AptarGroup, Inc. (NYSE:ATR) engages in the design and manufacturing of a range of drug delivery, consumer product dispensing, and active material science solutions and services. On January 6, 2026, AptarGroup, Inc. (NYSE:ATR) stock closed at $120.56 per share. One-month return of AptarGroup, Inc. (NYSE:ATR) was 2.89%, and its shares lost 21.79% of their value over the last 52 weeks. AptarGroup, Inc. (NYSE:ATR) has a market capitalization of $7.943 billion.

Ave Maria Growth Fund stated the following regarding AptarGroup, Inc. (NYSE:ATR) in its third quarter 2025 investor letter:

"In the third quarter, we initiated a position in AptarGroup, Inc. (NYSE:ATR) (container and packaging). Aptar is a global leader in dispensing technologies with a strong franchise in drug delivery solutions, including nasal sprays, inhalers, and devices for injectable medicines. The shares declined after management noted several near-term challenges, but we view these issues as transitory and believe the shares are undervalued on a long-term basis."

AptarGroup, Inc. (NYSE:ATR) is not on our list of 30 Most Popular Stocks Among Hedge Funds. According to our database, 29 hedge fund portfolios held AptarGroup, Inc. (NYSE:ATR) at the end of the third quarter, the same as in the previous quarter. While we acknowledge the potential of AptarGroup, Inc. (NYSE:ATR) 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 AptarGroup, Inc. (NYSE:ATR) and shared the list of best 52-week low mid cap stocks to buy. In addition, please check out our hedge fund investor letters Q3 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.