AER vs. PNR: AerCap vs. Pentair Stock Comparison

November 11, 2026

How do AerCap (AER) and Pentair (PNR) 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

AerCap (AER) and Pentair (PNR) both fall under the Capital Goods industry group, but AER is classified in Trading Companies & Distributors while PNR is classified in Machinery.

Company profile comparison for AerCap (AER) and Pentair (PNR)
Profile Item	AER	PNR
Name	AerCap Holdings N.V.	Pentair plc
Country/Region	Ireland	United Kingdom
GICS Sector	Industrials	Industrials
GICS Industry Group	Capital Goods	Capital Goods
GICS Industry	Trading Companies & Distributors	Machinery
GICS Sub-Industry	Trading Companies & Distributors	Industrial Machinery & Supplies & Components
Market Capitalization	25.76 billion USD	10.88 billion USD
Currency	USD	USD
Exchange	NYSE	NYSE
Listing Date	November 21, 2006	May 3, 1973
Security Type	Common Stock	Common Stock

Price Performance

Cumulative Growth

AER

PNR

GSPC

AerCap (AER) vs. Pentair (PNR), 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

Loading price history…

Trailing total returns for AerCap (AER) and Pentair (PNR). Returns over one year are annualized.

Calendar-Year Returns

Loading price history…

Calendar-year total returns for AerCap (AER) and Pentair (PNR). Each bar is that year's total return, measured year-end to year-end.

Performance Metrics

Price performance metrics for AerCap (AER) and Pentair (PNR)
Metric	AER	PNR
Total Return (1Y)	32.17%	-33.74%
Total Return (3Y, Annualized)	39.43%	6.19%
Total Return (5Y, Annualized)	21.06%	0.13%

Risk Profile

Drawdown History

AER

PNR

GSPC

AerCap (AER) vs. Pentair (PNR), 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

Loading price history…

Distribution of monthly total returns for AerCap (AER) and Pentair (PNR). Each bar is the share of months whose return fell in that 5% bucket.

Risk Metrics

Risk profile metrics for AerCap (AER) and Pentair (PNR)
Metric	AER	PNR
Volatility (1Y, Annualized)	26.10%	36.79%
Beta (5Y)	0.95	0.99
Max Drawdown (5Y)	-44.81%	-53.15%
Avg. Volume (3M)	1.13M	3.26M

Risk-Adjusted Performance

Risk-Return Positioning

AER and PNR 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 AerCap (AER) and Pentair (PNR)
Metric	AER	PNR
Sharpe Ratio (1Y)	1.07	-1.03
Sortino Ratio (1Y)	1.59	-1.35

Profitability

ROE (TTM)

Both AerCap (AER) at 17.00% and Pentair (PNR) at 15.61% land near their industries’ usual ROE ranges, so capital efficiency looks broadly in line with peers on both sides.

AER

Capital Goods industry group

17.00%

Max: 40.55%
Q3: 19.29%
AER: 17.00%
Median: 12.12%
Q1: 4.08%
Min: -17.12%

PNR

Capital Goods industry group

15.61%

Max: 40.55%
Q3: 19.29%
PNR: 15.61%
Median: 12.12%
Q1: 4.08%
Min: -17.12%

AerCap (AER) vs. Pentair (PNR): A comparison of their ROE against the Capital Goods industry group benchmark.

Net Margin (TTM)

AerCap (AER) at 34.47% keeps the most of each sales dollar — above its industry’s net margin range — and Pentair (PNR) at 15.44% also retains a top-quartile share.

AER

Capital Goods industry group

34.47%

AER: 34.47%
Max: 27.47%
Q3: 12.10%
Median: 6.30%
Q1: 1.40%
Min: -12.89%

PNR

Capital Goods industry group

15.44%

Max: 27.47%
PNR: 15.44%
Q3: 12.10%
Median: 6.30%
Q1: 1.40%
Min: -12.89%

AerCap (AER) vs. Pentair (PNR): A comparison of their net margin against the Capital Goods industry group benchmark.

Operating Margin (TTM)

AerCap (AER) at 62.55% shows unusually strong operating efficiency — above its industry’s operating margin range — and Pentair (PNR) at 21.90% also operates in the top quartile.

AER

Capital Goods industry group

62.55%

AER: 62.55%
Max: 36.60%
Q3: 18.33%
Median: 11.12%
Q1: 5.14%
Min: -12.63%

PNR

Capital Goods industry group

21.90%

Max: 36.60%
PNR: 21.90%
Q3: 18.33%
Median: 11.12%
Q1: 5.14%
Min: -12.63%

AerCap (AER) vs. Pentair (PNR): A comparison of their operating margin against the Capital Goods industry group benchmark.

Profitability Metrics

Profitability metrics for AerCap (AER) and Pentair (PNR)
Metric	AER	PNR
ROE (TTM)	17.00%	15.61%
ROA (TTM)	4.52%	7.91%
Net Margin (TTM)	34.47%	15.44%
Operating Margin (TTM)	62.55%	21.90%
Gross Margin (TTM)	63.02%	40.17%

Growth

Revenue Growth

Both AerCap (AER) at 6.50% and Pentair (PNR) at 2.28% land near their industries' usual revenue growth ranges, so top-line momentum looks broadly in line with peers on both sides.

AerCap (AER) vs. Pentair (PNR): A comparison of their Revenue Growth across different time periods.

EPS Growth

AerCap (AER) at 97.41% sits in the top EPS growth quartile, while Pentair (PNR) at 5.88% is closer to the peer norm — faster per-share earnings growth for AER.

AerCap (AER) vs. Pentair (PNR): A comparison of their EPS Growth across different time periods.

Growth Metrics

Growth metrics for AerCap (AER) and Pentair (PNR)
Metric	AER	PNR
Revenue Growth (YoY)	6.50%	2.28%
Revenue Growth (3Y CAGR)	6.69%	0.44%
EPS Growth (YoY)	97.41%	5.88%
EPS Growth (3Y CAGR)	--	10.94%

Financial Strength

Current Ratio (MRQ)

Both AerCap (AER) at 1.45 and Pentair (PNR) at 1.47 carry current ratio within their industries’ typical mid-ranges, suggesting balanced short-term liquidity relative to peers.

AER

Capital Goods industry group

1.45

Max: 5.22
Q3: 2.95
Median: 2.08
AER: 1.45
Q1: 1.43
Min: 0.36

PNR

Capital Goods industry group

1.47

Max: 5.22
Q3: 2.95
Median: 2.08
PNR: 1.47
Q1: 1.43
Min: 0.36

AerCap (AER) vs. Pentair (PNR): A comparison of their current ratio against the Capital Goods industry group benchmark.

Debt / Equity (MRQ)

Pentair (PNR) at 0.42 carries an industry-typical debt-to-equity mix, while AerCap (AER) at 2.33 uses more debt funding than most peers.

AER

Capital Goods industry group

2.33

AER: 2.33
Max: 2.33
Q3: 1.12
Median: 0.60
Q1: 0.29
Min: 0.00

PNR

Capital Goods industry group

0.42

Max: 2.33
Q3: 1.12
Median: 0.60
PNR: 0.42
Q1: 0.29
Min: 0.00

AerCap (AER) vs. Pentair (PNR): A comparison of their debt-to-equity ratio against the Capital Goods industry group benchmark.

Financial Strength Metrics

Financial strength metrics for AerCap (AER) and Pentair (PNR)
Metric	AER	PNR
Current Ratio (MRQ)	1.45	1.47
Debt / Equity (MRQ)	2.33	0.42
Net Debt / EBITDA	7.77	1.61

Dividends

Dividend Yield (TTM)

Pentair (PNR) at 1.52% delivers top-quartile income for its industry, while AerCap (AER) at 0.96% pays a more typical yield — both are credible income propositions, PNR the richer one.

AER

Capital Goods industry group

0.96%

Max: 2.66%
Q3: 1.14%
AER: 0.96%
Median: 0.24%
Q1: 0.00%
Min: 0.00%

PNR

Capital Goods industry group

1.52%

Max: 2.66%
PNR: 1.52%
Q3: 1.14%
Median: 0.24%
Q1: 0.00%
Min: 0.00%

AerCap (AER) vs. Pentair (PNR): A comparison of their dividend yield against the Capital Goods industry group benchmark.

Dividend Payout Ratio (TTM)

AerCap (AER) at 7.52% pays out a band-typical share of earnings, while Pentair (PNR) at 28.88% distributes more than its industry norm — less retained, thinner cover.

AER

Capital Goods industry group

7.52%

Max: 67.39%
Q3: 28.02%
AER: 7.52%
Median: 6.86%
Q1: 0.00%
Min: 0.00%

PNR

Capital Goods industry group

28.88%

Max: 67.39%
PNR: 28.88%
Q3: 28.02%
Median: 6.86%
Q1: 0.00%
Min: 0.00%

AerCap (AER) vs. Pentair (PNR): A comparison of their payout ratio against the Capital Goods industry group benchmark.

Dividend Metrics

Dividend metrics for AerCap (AER) and Pentair (PNR)
Metric	AER	PNR
Dividend Yield (TTM)	0.96%	1.52%
Dividend Payout Ratio (TTM)	7.52%	28.88%

Valuation

P/E Ratio (TTM)

Both AerCap (AER) at 8.67 and Pentair (PNR) at 18.56 sit in the cheaper earnings-multiple quartile for P/E ratio, with the market paying less for a dollar of trailing earnings than it pays for typical peers.

AER

Capital Goods industry group

8.67

Max: 59.38
Q3: 35.92
Median: 25.41
Q1: 19.47
AER: 8.67
Min: 3.03

PNR

Capital Goods industry group

18.56

Max: 59.38
Q3: 35.92
Median: 25.41
Q1: 19.47
PNR: 18.56
Min: 3.03

AerCap (AER) vs. Pentair (PNR): A comparison of their P/E ratio against the Capital Goods industry group benchmark.

P/S Ratio (TTM)

On P/S ratio, both AerCap (AER) at 2.84 and Pentair (PNR) at 2.74 are priced roughly in line with their industries — neither looks cheap nor rich on a sales basis.

AER

Capital Goods industry group

2.84

Max: 7.54
Q3: 3.76
AER: 2.84
Median: 2.15
Q1: 1.03
Min: 0.03

PNR

Capital Goods industry group

2.74

Max: 7.54
Q3: 3.76
PNR: 2.74
Median: 2.15
Q1: 1.03
Min: 0.03

AerCap (AER) vs. Pentair (PNR): A comparison of their P/S ratio against the Capital Goods industry group benchmark.

P/B Ratio (MRQ)

AerCap (AER) at 1.36 sits in the lower P/B ratio quartile against book while Pentair (PNR) at 2.82 is valued near its industry’s middle — AER is cheaper on assets, though weigh it against ROE and asset quality.

AER

Capital Goods industry group

1.36

Max: 9.66
Q3: 5.00
Median: 3.12
Q1: 1.81
AER: 1.36
Min: -1.08

PNR

Capital Goods industry group

2.82

Max: 9.66
Q3: 5.00
Median: 3.12
PNR: 2.82
Q1: 1.81
Min: -1.08

AerCap (AER) vs. Pentair (PNR): A comparison of their P/B ratio against the Capital Goods industry group benchmark.

Valuation Metrics

Valuation metrics for AerCap (AER) and Pentair (PNR)
Metric	AER	PNR
P/E Ratio (TTM)	8.67	18.56
P/S Ratio (TTM)	2.84	2.74
P/B Ratio (MRQ)	1.36	2.82
Free Cash Flow Yield (TTM)	-6.60%	4.77%