Avoid the stress of overpaying for a stock or missing an opportunity by using the right tools and insights to evaluate AptarGroup, Inc. before investing.

In this article, we go over a few key elements for understanding AptarGroup, Inc.’s stock price such as:

• AptarGroup, Inc.’s current stock price and volume
• Why AptarGroup, Inc.’s stock price changed recently
• Upgrades and downgrades for ATR from analysts
• ATR’s stock price momentum as measured by its relative strength

About AptarGroup, Inc. (ATR)

Before we jump into AptarGroup, Inc.’s stock price, history, target price and what caused it to recently rise, let’s take a look at some background.

AptarGroup, Inc. designs and manufactures drug delivery, consumer product dispensing, and active material science solutions and services for the pharmaceutical, fragrance, facial skincare, color cosmetics, personal care, home care, and food and beverage markets. The company operates through three segments: Pharma, Beauty, and Closures. It provides dispensing pumps used to dispense sprays, liquids, or lotions from non-pressurized containers; fine-mist pumps for pharmaceutical and fragrance applications; and lotion pumps for viscous formulations, as well as closures, such as dispensing and non-dispensing solutions that enable product delivery without removal of the cap and used across various consumer end markets. The company also offers aerosol valves used in pressurized containers and continuous spray and metered-dose valves for pharmaceutical, personal care, and household applications; elastomeric primary packaging components; active material science solutions; and digital health solutions. The company primarily sells its products and services in Asia, Europe, Latin America, and North America. AptarGroup, Inc. was incorporated in 1992 and is headquartered in Crystal Lake, Illinois.

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AptarGroup, Inc.’s Stock Price as of Market Close

As of July 31, 2026, 4:00 PM, CST, AptarGroup, Inc.’s stock price was $133.960.

AptarGroup, Inc. is up 0.07% from its previous closing price of $133.870.

During the last market session, AptarGroup, Inc.’s stock traded between $132.170 and $139.570. Currently, there are approximately 64.05 million shares outstanding for AptarGroup, Inc..

AptarGroup, Inc.’s price-earnings (P/E) ratio is currently at 22.9, which is low compared to the Containers & Packaging industry median of 25.5. The price-earnings ratio gauges market expectation of future performance by relating a stock’s current share price to its earnings per share.

AptarGroup, Inc. Stock Price History

AptarGroup, Inc.’s (ATR) price is currently up 7% so far this month.

During the month of July, AptarGroup, Inc.’s stock price has reached a high of $139.570 and a low of $123.040.

Over the last year, AptarGroup, Inc. has hit prices as high as $158.120 and as low as $103.227. Year to date, AptarGroup, Inc.’s stock is up 9.84%.

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What Caused AptarGroup, Inc. Stock’s Price to Rise?

Stock prices are primarily based on seller supply and buyer demand. But have you ever wondered about what other factors affect a stock's price?

When an analyst changes their opinion of a stock by upgrading or downgrading their rating, it often leads to a sudden stock price adjustment. As of July 31, 2026, there was 1 analyst who downgraded AptarGroup, Inc.’s stock and 0 analysts who upgraded over the last month.

Additionally, you'll want to evaluate AptarGroup, Inc.’s financial health and valuation. Investors can use AAII's Value Grade, which combines six key valuation metrics like P/E and P/S ratios for a comprehensive analysis to conduct analysis on AptarGroup, Inc.’s valuation and financial health. This approach mitigates the limitations of single-metric evaluations.

AptarGroup, Inc.’s current valuation based on AAII’s Value Grade is a D, which means it is considered to be Expensive.

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Lastly, news and media coverage as well as recent press reports about the company or its industry may cause stock prices to fluctuate. You can check out the most recent news articles about AptarGroup, Inc. (ATR) by visiting AAII Stock Evaluator.

Relative Price Strength of AptarGroup, Inc.

Relative price strength measures a stock's performance against the market, helping investors identify stocks that are outperforming benchmarks.

For AAII’s Momentum Grade, a weighted relative price strength is calculated. Follow this link to learn more about the Momentum Grade.

As of July 31, 2026, AptarGroup, Inc. has a weighted four-quarter relative price strength of -3.75%, which translates to a Momentum Score of 40 and is considered to be Weak.

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AptarGroup, Inc. Stock Price: Bottom Line

As of July 31, 2026, AptarGroup, Inc.’s stock price is $133.960, which is up 0.07% from its previous closing price.

AAII advises against making stock decisions based solely on price or past returns. Instead, consider a variety of metrics, fundamentals, and analytics to evaluate a stock like AptarGroup, Inc. stock prices are influenced by market supply and demand and offer just a snapshot of a company's overall health.

Subscribing to AAII's A+ Investor provides access to comprehensive analytics and insights for confident investing.