The short version

From the latest prices and each company's SEC filings. Who's ahead on each measure, not which to buy.

  • Cooper Companies is the larger company, worth $10.6B, about 1.4 times AptarGroup.
  • AptarGroup grew revenue faster over the last year (+6.3% vs +0.6%).
  • Cooper Companies keeps more of each dollar of revenue as operating profit (12.8% vs 12.1%).
  • On earnings, AptarGroup is the cheaper stock (20.1x vs 27.1x).
  • AptarGroup's price assumes faster free cash flow growth: about 8% a year, against 8% for Cooper Companies (reverse DCF).

Side by side

The stronger figure is shaded where higher (or, for valuation multiples, lower) reads as better. How the implied growth works.

MeasureATRCOO
Market cap$7.5B$10.6B
Share price$120.38$54.37
Revenue (last fiscal year)$3.8B$4.1B
Free cash flow (last fiscal year)$300M$434M
Revenue growth, last year+6.3%+0.6%
Revenue growth per year, last 5 fiscal years+4.0%+8.8%
Operating margin12.1%12.8%
Net margin9.2%13.5%
Return on equity13.8%6.8%
P/E (trailing)20.1x27.1x
Price / free cash flow24.9x24.5x
EV / EBITDA11.0x14.0x
FCF growth the price implies7.9%7.7%
Dividend yield1.5%—
Debt / equity0.95x0.52x
Fundamental gradeDC
Superinvestors holding it211
Insider purchases, last 12 months210

Results from SEC filings

Revenue and free cash flow by fiscal year, from each company's 10-K filings.

AptarGroup

YearRevenueFree cash flowOp. margin
2021$3.2B$56M10.8%
2022$3.3B$168M11.4%
2023$3.5B$263M11.6%
2024$3.6B$367M13.9%
2025$3.8B$300M13.3%

Cooper Companies

YearRevenueFree cash flowOp. margin
2021$2.9B$524M17.3%
2022$3.3B$450M15.3%
2023$3.6B$215M14.8%
2024$3.9B$288M18.1%
2025$4.1B$434M16.7%

Where the revenue comes from

AptarGroup · by segments, 2025

Pharma$1.7B46%
Beauty$1.3B35%
Closures$730M19%

Cooper Companies · by segments, 2025

CooperVision$2.7B67%
CooperSurgical$1.3B33%
Compare them in fullFifteen years of statements, quarterly results, DCF and IRR models, and any number of peers side by side.
Open ATR in Investingly

Questions

Which is bigger, AptarGroup or Cooper Companies?

Cooper Companies (COO), at $10.6B against $7.5B.

Is ATR or COO cheaper?

By trailing P/E, AptarGroup (20.1x) is cheaper than Cooper Companies (27.1x). A lower multiple can also mean the market expects less growth.

Which grows faster, ATR or COO?

AptarGroup: revenue grew +6.3% over the last year, against +0.6%.

Prices and ratios as of the last daily update; statements from SEC filings. Information only, not investment advice.