Parker-Hannifin Corp vs Rockwell Automation Inc

Parker-Hannifin Corp (PH) is overvalued and Rockwell Automation Inc (ROK) is overvalued.

Both trade above our estimate of their intrinsic value. ROK is the closer of the two: -69%, against -88% for PH.

Values as of the 22 Sept 2026 close.

Parker-Hannifin Corp (PH)

Discounting its cash flows at 10.2% (average of 3 methods) values the shares at $514.00; the price of $964.85 is 88% above that value, and 72% of that value comes from beyond year five.

Leak Score 73/100 on 10 of 12 signals

Rockwell Automation Inc (ROK)

Discounting its cash flows at 11.6% (average of 3 methods) values the shares at $252.94; the price of $427.19 is 69% above that value, and 68% of that value comes from beyond year five.

Leak Score 65/100 on 10 of 12 signals

MetricPHROK
VerdictOvervaluedOvervalued
Price$964.85$427.19
Intrinsic value$514.00$252.94
Margin of safety-88%-69%
Leak Score73/100 (10/12)65/100 (10/12)
Market cap$121.7B$47.4B
Revenue growth, 5 years8.4%5.7%
Operating margin21.9%14.4%
Net margin17.0%13.4%
Return on equity25.1%34.5%
Debt to equity0.571.03
P/E33.9x40.0x
Forward P/E24.9x28.8x
P/B7.9x13.6x
Dividend yield0.8%1.3%

All stocks in Specialty Industrial Machinery