PNR vs. ECL

Last updated Apr 2, 2026

Compare and contrast key facts about Pentair plc (PNR) and Ecolab Inc. (ECL).

Performance

PNR vs. ECL - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Pentair plc (PNR) and Ecolab Inc. (ECL). The values are adjusted to include any dividend payments, if applicable.

PNR vs. ECL - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PNR Pentair plc	-16.48%	4.53%	40.00%	64.16%	-37.38%	39.24%	17.89%	23.68%	-18.87%	28.67%
ECL Ecolab Inc.	2.95%	13.19%	19.29%	37.94%	-37.10%	9.38%	13.17%	32.26%	11.07%	15.80%

Fundamentals

Market Cap PNR : $14.29B ECL : $76.60B
EPS PNR : $3.96 ECL : $7.28
PE Ratio PNR : 21.93 ECL : 37.01
PEG Ratio PNR : 3.92 ECL : 1.96
PS Ratio PNR : 3.43 ECL : 4.78
PB Ratio PNR : 3.69 ECL : 7.84
Total Revenue (TTM) PNR : $4.18B ECL : $16.08B
Gross Profit (TTM) PNR : $1.69B ECL : $5.31B
EBITDA (TTM) PNR : $902.30M ECL : $3.30B

Returns By Period

In the year-to-date period, PNR achieves a -16.48% return, which is significantly lower than ECL's 2.95% return. Over the past 10 years, PNR has outperformed ECL with an annualized return of 10.99%, while ECL has yielded a comparatively lower 10.33% annualized return.

PNR

• 1D: -0.40%
• 1M: -11.58%
• YTD: -16.48%
• 6M: -21.11%
• 1Y: -0.44%
• 3Y*: 17.58%
• 5Y*: 8.21%
• 10Y*: 10.99%

ECL

• 1D: 1.32%
• 1M: -10.94%
• YTD: 2.95%
• 6M: 0.49%
• 1Y: 7.11%
• 3Y*: 18.89%
• 5Y*: 5.60%
• 10Y*: 10.33%

*Multi-year figures are annualized to reflect compound growth (CAGR)

Return for Risk

PNR vs. ECL — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

PNR

PNR Risk / Return Rank: 37
PNR Sharpe Ratio Rank: 39
PNR Sortino Ratio Rank: 34
PNR Omega Ratio Rank: 33
PNR Calmar Ratio Rank: 41
PNR Martin Ratio Rank: 41

ECL

ECL Risk / Return Rank: 49
ECL Sharpe Ratio Rank: 53
ECL Sortino Ratio Rank: 44
ECL Omega Ratio Rank: 43
ECL Calmar Ratio Rank: 52
ECL Martin Ratio Rank: 54

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

PNR vs. ECL - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Pentair plc (PNR) and Ecolab Inc. (ECL). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

	PNR	ECL	Difference
Sharpe ratio Return per unit of total volatility	-0.01	0.34	-0.35
Sortino ratio Return per unit of downside risk	0.20	0.60	-0.40
Omega ratio Gain probability vs. loss probability	1.03	1.08	-0.05
Calmar ratio Return relative to maximum drawdown	0.01	0.45	-0.44
Martin ratio Return relative to average drawdown	0.02	1.29	-1.26
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

PNR vs. ECL - Sharpe Ratio Comparison

The current PNR Sharpe Ratio is -0.01, which is lower than the ECL Sharpe Ratio of 0.34. The chart below compares the historical Sharpe Ratios of PNR and ECL, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	PNR	ECL	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.01	0.34	-0.35
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.29	0.24	+0.05
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.38	0.42	-0.04
Sharpe Ratio (All Time) Calculated using the full available price history	0.31	0.56	-0.25

Correlation

The correlation between PNR and ECL is 0.36, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

PNR vs. ECL - Dividend Comparison

PNR's dividend yield for the trailing twelve months is around 1.18%, more than ECL's 1.02% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
PNR Pentair plc	1.18%	0.96%	0.91%	1.21%	1.87%	1.10%	1.43%	1.57%	2.17%	1.95%	2.39%	2.58%
ECL Ecolab Inc.	1.02%	1.02%	1.01%	1.09%	1.42%	0.83%	0.87%	0.96%	1.15%	1.13%	1.21%	1.17%

Drawdowns

PNR vs. ECL - Drawdown Comparison

The maximum PNR drawdown since its inception was -77.65%, which is greater than ECL's maximum drawdown of -47.19%. Use the drawdown chart below to compare losses from any high point for PNR and ECL.

Drawdown Indicators

	PNR	ECL	Difference
Max Drawdown Largest peak-to-trough decline	-77.65%	-47.19%	-30.46%
Max Drawdown (1Y) Largest decline over 1 year	-25.05%	-16.60%	-8.45%
Max Drawdown (5Y) Largest decline over 5 years	-50.47%	-43.70%	-6.77%
Max Drawdown (10Y) Largest decline over 10 years	-52.34%	-43.70%	-8.64%
Current Drawdown Current decline from peak	-22.57%	-12.35%	-10.22%
Average Drawdown Average peak-to-trough decline	-19.41%	-7.94%	-11.47%
Ulcer Index Depth and duration of drawdowns from previous peaks	8.07%	5.76%	+2.31%

Volatility

PNR vs. ECL - Volatility Comparison

Pentair plc (PNR) has a higher volatility of 7.82% compared to Ecolab Inc. (ECL) at 7.09%. This indicates that PNR's price experiences larger fluctuations and is considered to be riskier than ECL based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PNR	ECL	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.82%	7.09%	+0.73%
Volatility (6M) Calculated over the trailing 6-month period	19.54%	15.16%	+4.38%
Volatility (1Y) Calculated over the trailing 1-year period	30.22%	20.98%	+9.24%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	28.32%	23.69%	+4.63%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	29.12%	24.83%	+4.29%

Financials

PNR vs. ECL - Profitability Comparison

The chart below illustrates the profitability comparison between Pentair plc and Ecolab Inc. over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

PNR - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Pentair plc reported a gross profit of 411.80M and revenue of 1.02B. Therefore, the gross margin over that period was 40.4%.

ECL - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Ecolab Inc. reported a gross profit of 0.00 and revenue of 4.20B. Therefore, the gross margin over that period was 0.0%.

PNR - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Pentair plc reported an operating income of 174.10M and revenue of 1.02B, resulting in an operating margin of 17.1%.

ECL - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Ecolab Inc. reported an operating income of 680.50M and revenue of 4.20B, resulting in an operating margin of 16.2%.

PNR - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Pentair plc reported a net income of 166.10M and revenue of 1.02B, resulting in a net margin of 16.3%.

ECL - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Ecolab Inc. reported a net income of 563.90M and revenue of 4.20B, resulting in a net margin of 13.4%.