FLS vs. PNR
FLS (Flowserve Corporation) and PNR (Pentair plc) are both stocks. Both operate in the Specialty Industrial Machinery industry within the Industrials sector. Over the past 10 years, FLS returned 7.11%/yr vs 6.12%/yr for PNR. Their 0.44 correlation means their historical movements had little consistent relationship.
Performance
FLS vs. PNR - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, FLS achieves a 10.98% return, which is significantly higher than PNR's -34.96% return. Over the past 10 years, FLS has outperformed PNR with an annualized return of 7.11%, while PNR has yielded a comparatively lower 6.12% annualized return.
FLS
- 1D
- 0.72%
- 1M
- 5.81%
- 6M
- -2.78%
- YTD
- 10.98%
- 1Y
- 44.00%
- 3Y*
- 27.03%
- 5Y*
- 14.67%
- 10Y*
- 7.11%
- ALL TIME*
- 9.95%
PNR
- 1D
- 2.49%
- 1M
- -12.20%
- 6M
- -35.96%
- YTD
- -34.96%
- 1Y
- -32.53%
- 3Y*
- -0.19%
- 5Y*
- -1.33%
- 10Y*
- 6.12%
- ALL TIME*
- 9.79%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $167.67M | $143.37M | $155.70M | |
PNR Pentair plc | $215.66M | $249.92M | $192.99M |
FLS vs. PNR - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
FLS Flowserve Corporation | 10.98% | 22.45% | 41.88% | 37.32% | 3.08% | -15.08% | -23.85% | 33.66% | -8.20% | -11.19% |
PNR Pentair plc | -34.96% | 4.53% | 40.00% | 64.16% | -37.38% | 39.24% | 17.89% | 23.68% | -18.87% | 28.67% |
Correlation
The correlation between FLS and PNR is 0.51, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.51 |
Correlation (3Y) Balances recent behavior with more history. | 0.61 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.58 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.61 |
Correlation (All Time) Calculated using the full available price history since Mar 26, 1990 | 0.44 |
The correlation between FLS and PNR shifts across timeframes, from 0.44 (all time) to 0.61 (3 years), reflecting how their relationship changes across market environments.
Fundamentals
FLS:
$9.81B
PNR:
$10.84B
FLS:
$2.88
PNR:
$3.97
FLS:
26.57
PNR:
16.89
FLS:
0.87
PNR:
3.02
FLS:
2.13
PNR:
2.74
FLS:
4.35
PNR:
2.91
FLS:
$4.63B
PNR:
$4.01B
FLS:
$1.63B
PNR:
$1.66B
FLS:
$713.16M
PNR:
$929.30M
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
FLS vs. PNR — Risk / Return Rank
FLS
PNR
FLS vs. PNR - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Flowserve Corporation (FLS) 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.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| FLS | PNR | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.89 | ||
| Sortino ratioReturn per unit of downside risk | +3.02 | ||
| Omega ratioGain probability vs. loss probability | 1.23 | 0.82 | +0.41 |
| Calmar ratioReturn relative to maximum drawdown | 1.48 | -0.73 | +2.21 |
| Martin ratioReturn relative to average drawdown | 3.41 | -1.60 | +5.01 |
Loading charts...
Drawdowns
FLS vs. PNR - Drawdown Comparison
The maximum FLS drawdown since its inception was -77.36%, roughly equal to the maximum PNR drawdown of -77.65%. Use the drawdown chart below to compare losses from any high point for FLS and PNR.
Loading charts...
Drawdown Indicators
| FLS | PNR | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -77.36% | -77.65% | +0.29% |
Max Drawdown (1Y)Largest decline over 1 year | -29.83% | -44.97% | +15.14% |
Max Drawdown (3Y)Largest decline over 3 years | -38.76% | -44.97% | +6.21% |
Max Drawdown (5Y)Largest decline over 5 years | -41.43% | -50.47% | +9.04% |
Max Drawdown (10Y)Largest decline over 10 years | -64.82% | -52.34% | -12.48% |
Current DrawdownCurrent decline from peak | -16.34% | -39.70% | +23.36% |
Average DrawdownAverage peak-to-trough decline | -26.98% | -19.49% | -7.49% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 12.93% | 20.35% | -7.42% |
Volatility
FLS vs. PNR - Volatility Comparison
The current volatility for Flowserve Corporation (FLS) is 13.36%, while Pentair plc (PNR) has a volatility of 19.33%. This indicates that FLS 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.
Loading charts...
Volatility by Period
| FLS | PNR | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 13.36% | 19.33% | -5.97% |
Volatility (6M)Calculated over the trailing 6-month period | 35.32% | 29.43% | +5.89% |
Volatility (1Y)Calculated over the trailing 1-year period | 49.86% | 32.70% | +17.16% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 36.66% | 29.78% | +6.88% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 37.83% | 29.75% | +8.08% |
Dividends
FLS vs. PNR - Dividend Comparison
FLS's dividend yield for the trailing twelve months is around 1.12%, less than PNR's 1.58% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
FLS Flowserve Corporation | 1.12% | 1.21% | 1.46% | 1.94% | 2.61% | 2.61% | 2.17% | 1.91% | 2.00% | 1.35% | 1.58% | 1.71% |
PNR Pentair plc | 1.58% | 0.96% | 0.91% | 1.21% | 1.87% | 1.10% | 1.43% | 1.57% | 2.17% | 1.95% | 2.39% | 2.58% |
Financials
FLS vs. PNR - Financials Comparison
This section allows you to compare key financial metrics between Flowserve Corporation and Pentair plc. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
FLS vs. PNR - Profitability Comparison
FLS - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, Flowserve Corporation reported a gross profit of 384.73M and revenue of 1.17B. Therefore, the gross margin over that period was 32.9%.
PNR - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, Pentair plc reported a gross profit of 395.00M and revenue of 932.60M. Therefore, the gross margin over that period was 42.4%.
FLS - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, Flowserve Corporation reported an operating income of 151.42M and revenue of 1.17B, resulting in an operating margin of 13.0%.
PNR - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, Pentair plc reported an operating income of 166.50M and revenue of 932.60M, resulting in an operating margin of 17.9%.
FLS - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, Flowserve Corporation reported a net income of 99.00M and revenue of 1.17B, resulting in a net margin of 8.5%.
PNR - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, Pentair plc reported a net income of 128.60M and revenue of 932.60M, resulting in a net margin of 13.8%.
Frequently Asked Questions
FLS and PNR have a correlation of 0.51, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
PNR has higher volatility (19.33%) compared to FLS (13.36%). In terms of maximum drawdown, FLS dropped -77.36% vs PNR's -77.65%.
FLS currently has the higher Sharpe Ratio (0.89 vs -1.00), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
Find the right allocation for FLS and PNR
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer