AptarGroup, Inc. (ATR) P/E Ratio History
Historical price-to-earnings valuation from 1993 to 2026
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ATR Valuation Context
How does the current P/E compare to historical and market benchmarks?
P/E Ratio Analysis
As of May 8, 2026, AptarGroup, Inc. (ATR) trades at a price-to-earnings ratio of 21.3x, with a stock price of $125.11 and trailing twelve-month earnings per share of $5.96.
The current P/E is 28% below its 5-year average of 29.5x. Over the past five years, ATR's P/E has ranged from a low of 20.7x to a high of 37.2x, placing the current valuation at the 5th percentile of its historical range.
Compared to the Healthcare sector median P/E of 22.3x, ATR is roughly in line with its sector peers. The sector includes 241 companies with P/E ratios ranging from 0.0x to 177.5x.
The PEG ratio of 1.65 (P/E divided by 6% EPS growth) suggests a fair valuation relative to its earnings growth. Peter Lynch popularized the rule that a PEG below 1.0 indicates an attractive entry point.
Relative to the broader market, ATR trades roughly in line with the S&P 500 median P/E of 25.1x. Investors should consider the company's growth prospects, competitive position, and earnings quality when evaluating whether the current valuation is justified.
For a comprehensive intrinsic value estimate using discounted cash flow analysis, see our ATR DCF Valuation Calculator →
Note: P/E ratio is just one valuation metric. It does not account for balance sheet strength, cash flow quality, or growth sustainability. Always conduct comprehensive due diligence before making investment decisions.
ATR P/E vs Peers
P/E ratio compared to closely matched public peers
| Company | Market Cap | P/E Ratio | PEG Ratio | EPS Growth (1Y) |
|---|---|---|---|---|
| $4B | 14.9 | - | +5% | |
| $6B | 12.3 | 9.66 | +90% | |
| $5B | 13.0 | 0.92 | +141%Best | |
| $18B | 25.0 | - | -37% | |
| $20B | 26.0 | 2.15 | -4% | |
| $3B | 7.5Lowest | 0.38Best | -31% | |
| $11B | 15.8 | 1.05 | +80% |
Peers sorted by market capitalization. P/E below peers may indicate undervaluation or lower growth expectations. Consider PEG ratio for growth-adjusted comparison.
ATR Historical P/E Data (1993–2026)
Quarterly P/E ratios calculated from closing price and TTM EPS
| Quarter | Date | Price | TTM EPS | P/E Ratio | vs Avg |
|---|---|---|---|---|---|
| FY2026 Q1 | $126.02 | $5.84 | 21.6x | -4% | |
| FY2025 Q4 | Wed Dec 31 2025 00:00:00 GM | $121.96 | $5.89 | 20.7x | -8% |
| FY2025 Q3 | $133.66 | $6.25 | 21.4x | -5% | |
| FY2025 Q2 | Mon Jun 30 2025 00:00:00 GM | $156.43 | $5.81 | 26.9x | +20% |
| FY2025 Q1 | Mon Mar 31 2025 00:00:00 GM | $148.38 | $5.48 | 27.1x | +21% |
| FY2024 Q4 | $157.10 | $5.54 | 28.4x | +27% | |
| FY2024 Q3 | Mon Sep 30 2024 00:00:00 GM | $160.19 | $4.98 | 32.2x | +44% |
| FY2024 Q2 | Sun Jun 30 2024 00:00:00 GM | $140.81 | $4.76 | 29.6x | +32% |
| FY2024 Q1 | Sun Mar 31 2024 00:00:00 GM | $143.89 | $4.66 | 30.9x | +38% |
| FY2023 Q4 | Sun Dec 31 2023 00:00:00 GM | $123.62 | $4.25 | 29.1x | +30% |
| FY2023 Q3 | Sat Sep 30 2023 00:00:00 GM | $125.04 | $4.21 | 29.7x | +33% |
| FY2023 Q2 | Fri Jun 30 2023 00:00:00 GM | $115.86 | $3.76 | 30.8x | +38% |
Average P/E for displayed period: 22.4x
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Start ComparisonATR — Frequently Asked Questions
Quick answers to the most common questions about buying ATR stock.
Is ATR stock overvalued or undervalued?
ATR trades at 21.3x P/E, below its 5-year average of 29.5x. At the 5th percentile of historical range, the stock is priced at a discount to its own history.
How does ATR's valuation compare to peers?
AptarGroup, Inc. P/E of 21.3x compares to sector median of 22.3x. The discount suggests lower growth expectations or higher risk.
What is ATR's PEG ratio?
ATR PEG ratio is 1.65. Between 1-2 suggests valuation aligns with growth. Historical P/E data spans 1993-2026.