AptarGroup Inc
NYSE: ATR · HEALTHCARE · MEDICAL INSTRUMENTS & SUPPLIES
Updated 2026-04-29
AptarGroup Inc (ATR) Stock Valuation Analysis
Fair value estimate, historical valuation range, and quality signals for ATR.
Valued
Valuation reasonably reflects current fundamentals. Limited margin of safety at these levels.
ATR historical valuation range
Where current P/E sits in ATR's own 5Y range.
ATR intrinsic value (DCF)
DCF-based fair value estimate vs current market price.
Intrinsic value calculated using discounted cash flow (DCF) model based on projected free cash flows, discount rate, and terminal growth assumptions. A positive margin of safety indicates the current price is below estimated fair value, providing a cushion against estimation error.
ATR valuation signals
Quick-read green flags, caution flags, and risks based on current metrics.
P/E Ratio — History
Current: 20.87x
P/S Ratio — History
Current: 2.10x
Is ATR overvalued in 2026?
AptarGroup Inc (ATR) currently trades at $122.90 per share with a market capitalization of $7,912,270,000.00. Based on our multi-factor framework, the stock trades at a fair valuation with a Smart Value Score of 50/100. This score blends growth quality, financial health, and price attractiveness into a single institutional-grade read.
The stock trades at a P/E ratio of 20.9x, below its 5-year median of 29.3x. The PEG ratio of 3.18 indicates the price has run ahead of the underlying growth rate.
Looking at its own history, ATR is currently trading cheaper than 92% of the last 5Y on P/E. This places it in the 8th percentile of its historical range, a level that has historically coincided with attractive entry points.
Our discounted cash flow model estimates ATR's intrinsic value at $132.78 per share, against the current market price of $122.90. This implies a premium to fair value of -5.45%. The stock is priced close to its estimated fair value, offering limited upside without further operational improvement.
Financial quality is a concern. The Piotroski F-Score of 3/9 flags weakening fundamentals that deserve closer scrutiny before the valuation case can be fully trusted.
Bottom line: ATR trades at a fair valuation on our framework, with a Smart Value Score of 50/100. The valuation is defensible but offers no obvious bargain. Patience or a better entry price may reward disciplined buyers.
Frequently asked questions
Is ATR overvalued in 2026?
Based on a Smart Value Score of 50/100, ATR is fairly valued. Price reasonably reflects current fundamentals with limited cushion in either direction.
What is ATR's fair value?
Our DCF model estimates ATR's intrinsic value at $132.78 per share, versus the current price of $122.90. This produces a margin of safety of -5.45%.
What P/E ratio does ATR trade at?
ATR trades at a P/E of 20.9x on trailing twelve-month earnings, compared to its 5-year median of 29.3x.
Is ATR a buy based on valuation?
WallStSmart does not issue buy or sell recommendations. Our Smart Value Score of 50/100 reflects the combined read on growth, quality, and price. The profile is balanced. Best suited for investors with an existing thesis.
How does ATR's valuation compare to its history?
On P/E, ATR currently sits in the 8th percentile of its own 5Y range. That is historically cheap relative to where it has traded over the period.
What is ATR's Smart Value Score?
ATR's Smart Value Score is 50/100. The Smart Value Score is a proprietary WallStSmart metric blending growth quality, financial health, and valuation attractiveness into a single 0-100 read. Scores above 75 are rare and indicate strong multi-factor alignment.