The short version

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

  • Eaton Corporation is the larger company, worth $152.5B, about 1.3 times Parker-Hannifin.
  • Eaton Corporation grew revenue faster over the last year (+21.4% vs +9.8%).
  • On earnings, Parker-Hannifin is the cheaper stock (34.0x vs 38.4x).
  • Eaton Corporation's price assumes faster free cash flow growth: about 15% 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.

MeasureETNPH
Market cap$152.5B$116.1B
Share price$429.65$952.79
Revenue (last fiscal year)$27.4B$21.5B
Free cash flow (last fiscal year)$3.6B$3.9B
Revenue growth, last year+21.4%+9.8%
Revenue growth per year, last 5 fiscal years+8.7%+7.9%
Operating margin—23.6%
Net margin12.8%17.0%
Return on equity18.9%23.7%
P/E (trailing)38.4x34.0x
Price / free cash flow34.1x34.7x
EV / EBITDA28.3x21.8x
FCF growth the price implies15.0%10.2%
Dividend yield1.1%0.78%
Debt / equity1.77x1.00x
Fundamental gradeDC
Superinvestors holding it67
Insider purchases, last 12 months06

Results from SEC filings

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

Eaton Corporation

YearRevenueFree cash flowOp. margin
2021$19.6B$1.6B—
2022$20.8B$1.9B—
2023$23.2B$2.9B—
2024$24.9B$3.5B—
2025$27.4B$3.6B—

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%

Where the revenue comes from

Eaton Corporation · by segments, 2025

Electrical Americas$13.3B48%
Electrical Global$6.8B25%
Aerospace$4.2B15%
Vehicle$2.5B9%
eMobility$604M2%

Parker-Hannifin · by segments, 2026

Diversified Industrial$14.4B67%
Aerospace Systems$7.1B33%
Compare them in fullFifteen years of statements, quarterly results, DCF and IRR models, and any number of peers side by side.
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Questions

Which is bigger, Eaton Corporation or Parker-Hannifin?

Eaton Corporation (ETN), at $152.5B against $116.1B.

Is ETN or PH cheaper?

By trailing P/E, Parker-Hannifin (34.0x) is cheaper than Eaton Corporation (38.4x). A lower multiple can also mean the market expects less growth.

Which grows faster, ETN or PH?

Eaton Corporation: revenue grew +21.4% over the last year, against +9.8%.

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