DXCM vs. PEN: DexCom vs. Penumbra Stock Comparison

November 11, 2026

How do DexCom (DXCM) and Penumbra (PEN) stack up? This page sets them side by side across company profile, performance and risk, profitability, growth, financial strength, dividends, and valuation, with selected fundamentals also measured against each stock's industry-group peers.

Company Profile

DexCom (DXCM) and Penumbra (PEN) are both classified in the Health Care Equipment sub-industry within the broader Health Care Equipment & Supplies industry, placing them in the closest GICS peer bucket.

Company profile comparison for DexCom (DXCM) and Penumbra (PEN)
Profile Item	DXCM	PEN
Name	DexCom Inc.	Penumbra Inc.
Country/Region	United States	United States
GICS Sector	Health Care	Health Care
GICS Industry Group	Health Care Equipment & Services	Health Care Equipment & Services
GICS Industry	Health Care Equipment & Supplies	Health Care Equipment & Supplies
GICS Sub-Industry	Health Care Equipment	Health Care Equipment
Market Capitalization	29.62 billion USD	12.58 billion USD
Currency	USD	USD
Exchange	Nasdaq	NYSE
Listing Date	April 14, 2005	September 18, 2015
Security Type	Common Stock	Common Stock

Price Performance

Cumulative Growth

DXCM

PEN

GSPC

DexCom (DXCM) vs. Penumbra (PEN), with S&P 500 (GSPC) for reference: Growth of a $10,000 investment over the past five years. Adjusted for dividends and splits.

Trailing Returns

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Trailing total returns for DexCom (DXCM) and Penumbra (PEN). Returns over one year are annualized.

Calendar-Year Returns

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Calendar-year total returns for DexCom (DXCM) and Penumbra (PEN). Each bar is that year's total return, measured year-end to year-end.

Performance Metrics

Price performance metrics for DexCom (DXCM) and Penumbra (PEN)
Metric	DXCM	PEN
Total Return (1Y)	46.33%	20.52%
Total Return (3Y, Annualized)	-4.50%	20.38%
Total Return (5Y, Annualized)	-12.76%	3.15%

Risk Profile

Drawdown History

DXCM

PEN

GSPC

DexCom (DXCM) vs. Penumbra (PEN), with S&P 500 (GSPC) for reference: Drawdown from the running peak over the past five years. Each line shows the decline from its prior peak; 0% marks a new high.

Return Distribution

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Distribution of monthly total returns for DexCom (DXCM) and Penumbra (PEN). Each bar is the share of months whose return fell in that 5% bucket.

Risk Metrics

DexCom (DXCM) has an aggressive beta of 1.43, indicating higher sensitivity to broad-market moves, while Penumbra (PEN) is defensive at 0.68 and tends to be less market-sensitive — they sit on opposite ends of the beta spectrum.

Risk profile metrics for DexCom (DXCM) and Penumbra (PEN)
Metric	DXCM	PEN
Volatility (1Y, Annualized)	38.37%	19.78%
Beta (5Y)	1.43	0.68
Max Drawdown (5Y)	-66.32%	-59.60%
Avg. Volume (3M)	4.34M	348.64K

Risk-Adjusted Performance

Risk-Return Positioning

DXCM and PEN are plotted by 1-year volatility (risk) and 1-year return. The dashed Capital Allocation Line runs from the risk-free rate through the shared industry median.

Risk-Adjusted Metrics

Risk-adjusted metrics for DexCom (DXCM) and Penumbra (PEN)
Metric	DXCM	PEN
Sharpe Ratio (1Y)	1.10	0.82
Sortino Ratio (1Y)	1.79	1.56

Profitability

ROE (TTM)

DexCom (DXCM) at 37.67% sits in the top ROE quartile, while Penumbra (PEN) at 10.67% is closer to the peer norm — stronger capital efficiency for DXCM.

DXCM

Health Care Equipment & Services industry group

37.67%

Max: 47.61%
DXCM: 37.67%
Q3: 14.36%
Median: 5.45%
Q1: -10.67%
Min: -47.01%

PEN

Health Care Equipment & Services industry group

10.67%

Max: 47.61%
Q3: 14.36%
PEN: 10.67%
Median: 5.45%
Q1: -10.67%
Min: -47.01%

DexCom (DXCM) vs. Penumbra (PEN): A comparison of their ROE against the Health Care Equipment & Services industry group benchmark.

Net Margin (TTM)

For every dollar of sales, both DexCom (DXCM) at 19.42% and Penumbra (PEN) at 10.06% retain more as net profit than most peers, landing in the top net margin quartile of their industries.

DXCM

Health Care Equipment & Services industry group

19.42%

Max: 29.35%
DXCM: 19.42%
Q3: 9.33%
Median: 2.18%
Q1: -6.29%
Min: -28.46%

PEN

Health Care Equipment & Services industry group

10.06%

Max: 29.35%
PEN: 10.06%
Q3: 9.33%
Median: 2.18%
Q1: -6.29%
Min: -28.46%

DexCom (DXCM) vs. Penumbra (PEN): A comparison of their net margin against the Health Care Equipment & Services industry group benchmark.

Operating Margin (TTM)

DexCom (DXCM) at 24.34% operates in the top operating margin quartile, ahead of Penumbra (PEN) at 12.37%, which runs around its industry’s norm.

DXCM

Health Care Equipment & Services industry group

24.34%

Max: 35.43%
DXCM: 24.34%
Q3: 14.14%
Median: 6.81%
Q1: -0.28%
Min: -16.29%

PEN

Health Care Equipment & Services industry group

12.37%

Max: 35.43%
Q3: 14.14%
PEN: 12.37%
Median: 6.81%
Q1: -0.28%
Min: -16.29%

DexCom (DXCM) vs. Penumbra (PEN): A comparison of their operating margin against the Health Care Equipment & Services industry group benchmark.

Profitability Metrics

Profitability metrics for DexCom (DXCM) and Penumbra (PEN)
Metric	DXCM	PEN
ROE (TTM)	37.67%	10.67%
ROA (TTM)	11.14%	6.28%
Net Margin (TTM)	19.42%	10.06%
Operating Margin (TTM)	24.34%	12.37%
Gross Margin (TTM)	63.42%	67.99%

Growth

Revenue Growth

Both DexCom (DXCM) at 15.60% and Penumbra (PEN) at 17.50% land near their industries' usual revenue growth ranges, so top-line momentum looks broadly in line with peers on both sides.

DexCom (DXCM) vs. Penumbra (PEN): A comparison of their Revenue Growth across different time periods.

EPS Growth

Both companies show strong earnings momentum, but Penumbra (PEN) at 1,155.56% is the standout with EPS growth above its industry range; DexCom (DXCM) at 47.18% also sits in the top quartile.

DexCom (DXCM) vs. Penumbra (PEN): A comparison of their EPS Growth across different time periods.

Growth Metrics

Growth metrics for DexCom (DXCM) and Penumbra (PEN)
Metric	DXCM	PEN
Revenue Growth (YoY)	15.60%	17.50%
Revenue Growth (3Y CAGR)	17.01%	18.33%
EPS Growth (YoY)	47.18%	1,155.56%
EPS Growth (3Y CAGR)	36.60%	--

Financial Strength

Current Ratio (MRQ)

DexCom (DXCM) at 1.74 keeps current ratio within its industry’s typical mid-range, while Penumbra (PEN) at 5.89 sits above its industry’s typical mid-range — comfortable liquidity, though possibly with more idle current assets relative to peers.

DXCM

Health Care Equipment & Services industry group

1.74

Max: 7.59
Q3: 4.00
Median: 1.98
DXCM: 1.74
Q1: 1.37
Min: 0.30

PEN

Health Care Equipment & Services industry group

5.89

Max: 7.59
PEN: 5.89
Q3: 4.00
Median: 1.98
Q1: 1.37
Min: 0.30

DexCom (DXCM) vs. Penumbra (PEN): A comparison of their current ratio against the Health Care Equipment & Services industry group benchmark.

Debt / Equity (MRQ)

Penumbra (PEN) at 0.13 keeps leverage in the lower industry quartile, while DexCom (DXCM) at 0.55 runs a more typical debt-to-equity mix.

DXCM

Health Care Equipment & Services industry group

0.55

Max: 1.88
Q3: 0.91
Median: 0.58
DXCM: 0.55
Q1: 0.16
Min: 0.00

PEN

Health Care Equipment & Services industry group

0.13

Max: 1.88
Q3: 0.91
Median: 0.58
Q1: 0.16
PEN: 0.13
Min: 0.00

DexCom (DXCM) vs. Penumbra (PEN): A comparison of their debt-to-equity ratio against the Health Care Equipment & Services industry group benchmark.

Financial Strength Metrics

Financial strength metrics for DexCom (DXCM) and Penumbra (PEN)
Metric	DXCM	PEN
Current Ratio (MRQ)	1.74	5.89
Debt / Equity (MRQ)	0.55	0.13
Net Debt / EBITDA	-0.28	-2.22

Dividends

Dividend Yield (TTM)

Neither DexCom (DXCM) nor Penumbra (PEN) pays a dividend this period — they may reinvest, use buybacks, or simply not return cash through dividends.

DXCM

Health Care Equipment & Services industry group

0.00%

DXCM: 0.00%
Max: 0.00%
Q3: 0.00%
Median: 0.00%
Q1: 0.00%
Min: 0.00%

PEN

Health Care Equipment & Services industry group

0.00%

PEN: 0.00%
Max: 0.00%
Q3: 0.00%
Median: 0.00%
Q1: 0.00%
Min: 0.00%

DexCom (DXCM) vs. Penumbra (PEN): A comparison of their dividend yield against the Health Care Equipment & Services industry group benchmark.

Dividend Payout Ratio (TTM)

Neither DexCom (DXCM) nor Penumbra (PEN) pays a dividend this period — they may reinvest, use buybacks, or simply not return cash through dividends.

DXCM

Health Care Equipment & Services industry group

0.00%

DXCM: 0.00%
Max: 0.00%
Q3: 0.00%
Median: 0.00%
Q1: 0.00%
Min: 0.00%

PEN

Health Care Equipment & Services industry group

0.00%

PEN: 0.00%
Max: 0.00%
Q3: 0.00%
Median: 0.00%
Q1: 0.00%
Min: 0.00%

DexCom (DXCM) vs. Penumbra (PEN): A comparison of their payout ratio against the Health Care Equipment & Services industry group benchmark.

Dividend Metrics

Dividend metrics for DexCom (DXCM) and Penumbra (PEN)
Metric	DXCM	PEN
Dividend Yield (TTM)	0.00%	0.00%
Dividend Payout Ratio (TTM)	0.00%	0.00%

Valuation

P/E Ratio (TTM)

DexCom (DXCM) at 31.26 is near its industry’s usual P/E ratio, while Penumbra (PEN) at 80.41 sits in the richer quartile — PEN needs stronger growth or earnings quality to justify the premium.

DXCM

Health Care Equipment & Services industry group

31.26

Max: 80.41
Q3: 47.62
DXCM: 31.26
Median: 29.93
Q1: 21.19
Min: 4.21

PEN

Health Care Equipment & Services industry group

80.41

PEN: 80.41
Max: 80.41
Q3: 47.62
Median: 29.93
Q1: 21.19
Min: 4.21

DexCom (DXCM) vs. Penumbra (PEN): A comparison of their P/E ratio against the Health Care Equipment & Services industry group benchmark.

P/S Ratio (TTM)

Both DexCom (DXCM) at 5.80 and Penumbra (PEN) at 8.06 command a richer price per dollar of sales than most peers, sitting in the upper P/S ratio quartile of their industries.

DXCM

Health Care Equipment & Services industry group

5.80

Max: 8.80
DXCM: 5.80
Q3: 4.32
Median: 2.13
Q1: 1.10
Min: 0.03

PEN

Health Care Equipment & Services industry group

8.06

Max: 8.80
PEN: 8.06
Q3: 4.32
Median: 2.13
Q1: 1.10
Min: 0.03

DexCom (DXCM) vs. Penumbra (PEN): A comparison of their P/S ratio against the Health Care Equipment & Services industry group benchmark.

P/B Ratio (MRQ)

Both DexCom (DXCM) at 11.68 and Penumbra (PEN) at 7.95 carry a premium to book value versus peers, sitting in the upper P/B ratio quartile of their industries.

DXCM

Health Care Equipment & Services industry group

11.68

DXCM: 11.68
Max: 11.68
Q3: 6.12
Median: 3.00
Q1: 1.73
Min: -1.31

PEN

Health Care Equipment & Services industry group

7.95

Max: 11.68
PEN: 7.95
Q3: 6.12
Median: 3.00
Q1: 1.73
Min: -1.31

DexCom (DXCM) vs. Penumbra (PEN): A comparison of their P/B ratio against the Health Care Equipment & Services industry group benchmark.

Valuation Metrics

Valuation metrics for DexCom (DXCM) and Penumbra (PEN)
Metric	DXCM	PEN
P/E Ratio (TTM)	31.26	80.41
P/S Ratio (TTM)	5.80	8.06
P/B Ratio (MRQ)	11.68	7.95
Free Cash Flow Yield (TTM)	2.74%	1.32%