Mueller Industries or Parker Hannifin: Which Stock Has More Upside?
Parker Hannifin fell -11% during the past Week. You may be tempted to buy more, or may want to reduce your exposure. But there is an entirely different perspective you might be missing. Is there a better alternative? Turns out, its peer Mueller Industries gives you more. Mueller Industries (MLI) stock offers superior revenue growth across key periods, better profitability, and relatively lower valuation vs Parker Hannifin (PH) stock, suggesting you may be better off investing in MLI
- MLI’s quarterly revenue growth was 19.3%, vs. PH’s 10.6%.
- In addition, its Last 12 Months revenue growth came in at 11.5%, ahead of PH’s 6.0%.
- MLI leads on profitability over both periods – LTM margin of 22.3% and 3-year average of 21.0%.
These differences become even clearer when you look at the financials side by side. The table highlights how PH’s fundamentals stack up against those of MLI on growth, margins, momentum, and valuation multiples.

Valuation & Performance Overview
| PH | MLI | Preferred | |
|---|---|---|---|
| Valuation | |||
| P/EBIT Ratio | 25.0 | 14.6 | MLI |
| Revenue Growth | |||
| Last Quarter | 10.6% | 19.3% | MLI |
| Last 12 Months | 6.0% | 11.5% | MLI |
| Last 3 Year Average | 5.0% | 4.7% | PH |
| Operating Margins | |||
| Last 12 Months | 20.9% | 22.3% | MLI |
| Last 3 Year Average | 20.0% | 21.0% | MLI |
| Momentum | |||
| Last 3 Year Return | 178.7% | 278.4% | MLI |
Note: For “Last 3 Year Return” metric, preferred stock is one with higher returns unless the returns are too high (>300%) which creates risk of sell off.
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See detailed fundamentals on Buy or Sell MLI Stock and Buy or Sell PH Stock. Below we compare market return and related metrics across years.
Historical Market Performance
| 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | Total [1] | Avg | Best | |
|---|---|---|---|---|---|---|---|---|---|
| Returns | |||||||||
| PH Return | 18% | -7% | 61% | 40% | 40% | 1% | 248% | ||
| MLI Return | 71% | 1% | 62% | 71% | 46% | 16% | 713% | <=== | |
| S&P 500 Return | 27% | -19% | 24% | 23% | 16% | 6% | 92% | ||
| Monthly Win Rates [3] | |||||||||
| PH Win Rate | 50% | 33% | 58% | 67% | 75% | 60% | 57% | ||
| MLI Win Rate | 75% | 33% | 58% | 75% | 75% | 40% | 59% | ||
| S&P 500 Win Rate | 75% | 42% | 67% | 75% | 67% | 60% | 64% | <=== | |
| Max Drawdowns [4] | |||||||||
| PH Max Drawdown | -8% | -25% | 0% | -2% | -18% | -2% | -9% | ||
| MLI Max Drawdown | -3% | -15% | -0% | -4% | -13% | -6% | -7% | <=== | |
| S&P 500 Max Drawdown | -1% | -25% | -1% | -2% | -15% | -7% | -9% | ||
[1] Cumulative total returns since the beginning of 2021
[2] 2026 data is for the year up to 5/4/2026 (YTD)
[3] Win Rate = % of calendar months in which monthly returns were positive
[4] Max drawdown represents maximum peak-to-trough decline within a year
No matter how good the numbers, stock investment is never a smooth ride. There is a risk you must factor in. Read MLI Dip Buyer Analyses and PH Dip Buyer Analyses to see how these stocks have fallen and recovered in the past.
Still not sure about PH or MLI? Consider portfolio approach.
Portfolios Over Individual Stock Picks
Individual stocks can soar or tank, but one thing matters: staying invested. The right portfolio can help you stay invested, capture upside, and mitigate the downside associated with any individual stock.
Why settle for average market returns? The Trefis High Quality (HQ) Portfolio invests in a diverse group of 30 stocks that have collectively delivered stronger upside with reduced volatility compared to the broader indices. Discover the methodology behind these smoother, higher returns by checking the HQ Portfolio performance data.