The short version

From the latest prices and each company's SEC filings. Who's ahead on each measure, not which to buy.

  • Parker-Hannifin is the larger company, worth $116.1B, about 2.5 times Rockwell Automation.
  • Parker-Hannifin grew revenue faster over the last year (+9.8% vs +7.9%).
  • Parker-Hannifin keeps more of each dollar of revenue as operating profit (23.6% vs 22.7%).
  • On earnings, Parker-Hannifin is the cheaper stock (34.0x vs 43.0x).
  • Rockwell Automation's price assumes faster free cash flow growth: about 12% a year, against 10% for Parker-Hannifin (reverse DCF).

Side by side

The stronger figure is shaded where higher (or, for valuation multiples, lower) reads as better. How the implied growth works.

MeasurePHROK
Market cap$116.1B$46.2B
Share price$952.79$432.59
Revenue (last fiscal year)$21.5B$8.3B
Free cash flow (last fiscal year)$3.9B$1.4B
Revenue growth, last year+9.8%+7.9%
Revenue growth per year, last 5 fiscal years+7.9%+4.5%
Operating margin23.6%22.7%
Net margin17.0%13.4%
Return on equity23.7%34.4%
P/E (trailing)34.0x43.0x
Price / free cash flow34.7x34.0x
EV / EBITDA21.8x28.0x
FCF growth the price implies10.2%11.9%
Dividend yield0.78%1.3%
Debt / equity1.00x2.17x
Fundamental gradeCC
Superinvestors holding it76
Insider purchases, last 12 months610

Results from SEC filings

Revenue and free cash flow by fiscal year, from each company's 10-K filings.

Parker-Hannifin

YearRevenueFree cash flowOp. margin
2022$15.9B$2.2B18.8%
2023$19.1B$2.6B17.9%
2024$19.9B$3.0B20.4%
2025$19.9B$3.3B21.9%
2026$21.5B$3.9B23.6%

Rockwell Automation

YearRevenueFree cash flowOp. margin
2021$7.0B$1.1B—
2022$7.8B$682M—
2023$9.1B$1.2B21.3%
2024$8.3B$639M19.3%
2025$8.3B$1.4B20.4%

Where the revenue comes from

Parker-Hannifin · by segments, 2026

Diversified Industrial$14.4B67%
Aerospace Systems$7.1B33%

Rockwell Automation · by segments, 2025

Intelligent Devices$3.8B45%
Software & Control$2.4B29%
Lifecycle Services$2.2B26%
Compare them in fullFifteen years of statements, quarterly results, DCF and IRR models, and any number of peers side by side.
Open PH in Investingly

Questions

Which is bigger, Parker-Hannifin or Rockwell Automation?

Parker-Hannifin (PH), at $116.1B against $46.2B.

Is PH or ROK cheaper?

By trailing P/E, Parker-Hannifin (34.0x) is cheaper than Rockwell Automation (43.0x). A lower multiple can also mean the market expects less growth.

Which grows faster, PH or ROK?

Parker-Hannifin: revenue grew +9.8% over the last year, against +7.9%.

Prices and ratios as of the last daily update; statements from SEC filings. Information only, not investment advice.