Which has the lower trailing P/E, COO or PEN?

COO has the lower trailing P/E: COO trades at 61.59 and PEN at 78.87. P/E is one valuation measure and does not by itself establish which business is cheaper.

Which has grown faster, COO or PEN?

Over the past five years, PEN grew revenue faster — COO at a 9.73% CAGR versus PEN at 17.52%.

Is COO or PEN more profitable?

PEN runs the higher net margin — COO at 5.57% versus PEN at 10.67%.

How have COO and PEN total returns compared?

Over the past 10 years, COO delivered 4.70% and PEN delivered 16.16% annualized total return. Past performance doesn't predict future results.

The Cooper Companies, Inc. (COO) vs Penumbra, Inc. (PEN)

A side-by-side comparison of The Cooper Companies, Inc. and Penumbra, Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of August 27, 2026. Differences are shown without an overall score or investment verdict.

COO

The Cooper Companies, Inc.

$13.84B

$70.96HealthcareDelayed quote: Aug 27, 2026, 4:00 PM EDT

PEN

Penumbra, Inc.

$12.64B

$321.00HealthcareDelayed quote: Aug 27, 2026, 4:00 PM EDT

Total return — COO vs PEN

growth of $100 · dividends reinvested · last 10y

COO +57.3% (+4.6%/yr)PEN +352.0% (+16.3%/yr)PEN compounded faster over this window

COO PEN

COO vs PEN: by the numbers

•COO is the larger company ($13.84B vs $12.64B market cap).
•COO trades at the lower trailing earnings multiple (61.59 vs 78.87 P/E), one valuation lens rather than an overall verdict.
•PEN converts more revenue to profit (10.67% vs 5.57% net margin).
•PEN grew revenue faster over the past five years (17.52% vs 9.73% CAGR).

Metrics side by side

Valuation

Metric	COO	PEN
P/E ratio	61.59	78.87
Forward P/E	15.69	68.18
P/S ratio	3.35	8.44
P/B ratio	1.72	8.30
EV / EBITDA	18.69	62.16
FCF yield	4.02%	1.70%

Profitability

Metric	COO	PEN
Gross margin	64.37%	67.84%
Operating margin	11.77%	12.45%
Net margin	5.57%	10.67%
ROE	2.86%	10.49%
ROIC	2.52%	8.48%

Growth (annualized)

Metric	COO	PEN
Revenue CAGR (5Y)	9.73%	17.52%
EPS CAGR (5Y)	-17.30%	21.94%
FCF CAGR (5Y)	6.61%	83.74%
Total return CAGR (5Y)	-8.20%	3.38%

Frequently asked

Which has the lower trailing P/E, COO or PEN?: COO has the lower trailing P/E: COO trades at 61.59 and PEN at 78.87. P/E is one valuation measure and does not by itself establish which business is cheaper.
Which has grown faster, COO or PEN?: Over the past five years, PEN grew revenue faster — COO at a 9.73% CAGR versus PEN at 17.52%.
Is COO or PEN more profitable?: PEN runs the higher net margin — COO at 5.57% versus PEN at 10.67%.
How have COO and PEN total returns compared?: Over the past 10 years, COO delivered 4.70% and PEN delivered 16.16% annualized total return. Past performance doesn't predict future results.

Go deeper

Full COO analysis Full PEN analysis Interactive comparison tool

Dig into the metrics

Cooper Companies P/E ratio Penumbra P/E ratio Cooper Companies ROE Penumbra ROE Cooper Companies operating margin Penumbra operating margin Cooper Companies revenue growth Penumbra revenue growth Cooper Companies free cash flow Penumbra free cash flow

Cooper Companies & Penumbra appear in these rankings

Fastest Revenue Growth Stocks Highest FCF Yield Stocks Highest 10-Year Total Return Stocks

Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified August 27, 2026.