ECL vs. PNR

Last updated Apr 2, 2026

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

Performance

ECL vs. PNR - Performance Comparison

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

ECL vs. PNR - Yearly Performance Comparison

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

Fundamentals

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

Returns By Period

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

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%

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%

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

Return for Risk

ECL vs. PNR — Risk / Return Rank

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

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

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

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.

ECL vs. PNR - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Ecolab Inc. (ECL) and Pentair plc (PNR). 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.

	ECL	PNR	Difference
Sharpe ratio Return per unit of total volatility	0.34	-0.01	+0.35
Sortino ratio Return per unit of downside risk	0.60	0.20	+0.40
Omega ratio Gain probability vs. loss probability	1.08	1.03	+0.05
Calmar ratio Return relative to maximum drawdown	0.45	0.01	+0.44
Martin ratio Return relative to average drawdown	1.29	0.02	+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.

ECL vs. PNR - Sharpe Ratio Comparison

The current ECL Sharpe Ratio is 0.34, which is higher than the PNR Sharpe Ratio of -0.01. The chart below compares the historical Sharpe Ratios of ECL and PNR, 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

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

Correlation

The correlation between ECL and PNR 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

ECL vs. PNR - Dividend Comparison

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

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
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%
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%

Drawdowns

ECL vs. PNR - Drawdown Comparison

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

Drawdown Indicators

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

Volatility

ECL vs. PNR - Volatility Comparison

The current volatility for Ecolab Inc. (ECL) is 7.09%, while Pentair plc (PNR) has a volatility of 7.82%. This indicates that ECL experiences smaller price fluctuations and is considered to be less risky than PNR based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

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

Financials

ECL vs. PNR - Profitability Comparison

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

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 - 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 - 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 - 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 - 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%.

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%.