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Side-by-side financial comparison of American Electric Power (AEP) and Parker Hannifin (PH). Click either name above to swap in a different company.

Parker Hannifin is the larger business by last-quarter revenue ($6.2B vs $5.1B, roughly 1.2× American Electric Power). Parker Hannifin runs the higher net margin — 14.6% vs 12.0%, a 2.7% gap on every dollar of revenue. On growth, Parker Hannifin posted the faster year-over-year revenue change (10.6% vs 6.2%). Over the past eight quarters, Parker Hannifin's revenue compounded faster (9.1% CAGR vs -0.3%).

American Electric Power Company, Inc., an electric public utility holding company, engages in the generation, transmission, and distribution of electricity for sale to retail and wholesale customers in the United States. It operates through Vertically Integrated Utilities, Transmission and Distribution Utilities, AEP Transmission Holdco, and Generation & Marketing segments. The company generates electricity using coal and lignite, natural gas, nuclear, hydro, solar, wind, and other energy sou...

Parker-Hannifin Corporation, originally Parker Appliance Company, usually referred to as just Parker, is an American corporation specializing in motion and control technologies. Its corporate headquarters are in Mayfield Heights, Ohio, in Greater Cleveland.

AEP vs PH — Head-to-Head

Bigger by revenue
PH
PH
1.2× larger
PH
$6.2B
$5.1B
AEP
Growing faster (revenue YoY)
PH
PH
+4.4% gap
PH
10.6%
6.2%
AEP
Higher net margin
PH
PH
2.7% more per $
PH
14.6%
12.0%
AEP
Faster 2-yr revenue CAGR
PH
PH
Annualised
PH
9.1%
-0.3%
AEP

Income Statement — Q4 FY2025 vs Q3 FY2026

Metric
AEP
AEP
PH
PH
Revenue
$5.1B
$6.2B
Net Profit
$605.2M
$904.0M
Gross Margin
43.8%
Operating Margin
22.1%
Net Margin
12.0%
14.6%
Revenue YoY
6.2%
10.6%
Net Profit YoY
-9.1%
-5.9%
EPS (diluted)
$1.06
$7.06

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
AEP
AEP
PH
PH
Q1 26
$6.2B
Q4 25
$5.1B
$5.2B
Q3 25
$6.0B
$5.1B
Q2 25
$5.1B
$5.2B
Q1 25
$5.6B
$5.0B
Q4 24
$4.8B
$4.7B
Q3 24
$5.5B
$4.9B
Q2 24
$4.7B
$5.2B
Net Profit
AEP
AEP
PH
PH
Q1 26
$904.0M
Q4 25
$605.2M
Q3 25
$1.0B
Q2 25
$1.3B
$923.6M
Q1 25
$802.2M
$961.2M
Q4 24
$665.9M
$948.6M
Q3 24
$961.7M
$698.5M
Q2 24
$342.5M
$785.1M
Gross Margin
AEP
AEP
PH
PH
Q1 26
43.8%
Q4 25
37.3%
Q3 25
37.5%
Q2 25
37.3%
Q1 25
36.9%
Q4 24
36.3%
Q3 24
36.8%
Q2 24
35.9%
Operating Margin
AEP
AEP
PH
PH
Q1 26
Q4 25
22.1%
22.8%
Q3 25
25.5%
23.3%
Q2 25
27.7%
22.7%
Q1 25
22.8%
22.3%
Q4 24
23.0%
20.9%
Q3 24
24.7%
21.6%
Q2 24
14.7%
21.1%
Net Margin
AEP
AEP
PH
PH
Q1 26
14.6%
Q4 25
12.0%
Q3 25
16.8%
Q2 25
25.5%
17.6%
Q1 25
14.2%
19.4%
Q4 24
14.0%
20.0%
Q3 24
17.6%
14.2%
Q2 24
7.4%
15.1%
EPS (diluted)
AEP
AEP
PH
PH
Q1 26
$7.06
Q4 25
$1.06
$6.60
Q3 25
$1.81
$6.29
Q2 25
$2.29
$7.16
Q1 25
$1.50
$7.37
Q4 24
$1.24
$7.25
Q3 24
$1.80
$5.34
Q2 24
$0.64
$6.06

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
AEP
AEP
PH
PH
Cash + ST InvestmentsLiquidity on hand
$417.0M
$476.0M
Total DebtLower is stronger
$47.3B
$6.8B
Stockholders' EquityBook value
$31.1B
$14.6B
Total Assets
$114.5B
$30.7B
Debt / EquityLower = less leverage
1.52×
0.46×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AEP
AEP
PH
PH
Q1 26
$476.0M
Q4 25
$417.0M
$427.0M
Q3 25
$1.3B
$473.0M
Q2 25
$439.3M
$467.0M
Q1 25
$463.6M
$408.7M
Q4 24
$418.3M
$395.5M
Q3 24
$474.4M
$371.1M
Q2 24
$428.2M
$422.0M
Total Debt
AEP
AEP
PH
PH
Q1 26
$6.8B
Q4 25
$47.3B
$7.5B
Q3 25
$46.1B
$7.5B
Q2 25
$44.5B
$7.5B
Q1 25
$43.0B
$7.4B
Q4 24
$42.6B
$6.7B
Q3 24
$42.0B
$6.7B
Q2 24
$42.1B
$7.2B
Stockholders' Equity
AEP
AEP
PH
PH
Q1 26
$14.6B
Q4 25
$31.1B
$14.3B
Q3 25
$30.4B
$13.8B
Q2 25
$29.9B
$13.7B
Q1 25
$27.3B
$13.4B
Q4 24
$26.9B
$13.1B
Q3 24
$26.6B
$12.9B
Q2 24
$26.1B
$12.1B
Total Assets
AEP
AEP
PH
PH
Q1 26
$30.7B
Q4 25
$114.5B
$30.5B
Q3 25
$110.3B
$30.7B
Q2 25
$107.8B
$29.5B
Q1 25
$104.4B
$28.9B
Q4 24
$103.1B
$28.3B
Q3 24
$100.1B
$29.6B
Q2 24
$99.6B
$29.3B
Debt / Equity
AEP
AEP
PH
PH
Q1 26
0.46×
Q4 25
1.52×
0.52×
Q3 25
1.52×
0.54×
Q2 25
1.49×
0.55×
Q1 25
1.57×
0.55×
Q4 24
1.58×
0.51×
Q3 24
1.58×
0.52×
Q2 24
1.61×
0.59×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
AEP
AEP
PH
PH
Operating Cash FlowLast quarter
$1.8B
$2.6B
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
4.6%
Cash ConversionOCF / Net Profit
3.00×
2.91×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AEP
AEP
PH
PH
Q1 26
$2.6B
Q4 25
$1.8B
$862.0M
Q3 25
$2.5B
$782.0M
Q2 25
$1.2B
$1.5B
Q1 25
$1.4B
$630.0M
Q4 24
$1.7B
$934.8M
Q3 24
$2.2B
$744.0M
Q2 24
$1.5B
$1.2B
Free Cash Flow
AEP
AEP
PH
PH
Q1 26
Q4 25
$768.0M
Q3 25
$2.2B
$693.0M
Q2 25
$1.3B
Q1 25
$542.4M
Q4 24
$813.6M
Q3 24
$648.7M
Q2 24
$1.1B
FCF Margin
AEP
AEP
PH
PH
Q1 26
Q4 25
14.8%
Q3 25
36.3%
13.6%
Q2 25
25.5%
Q1 25
10.9%
Q4 24
17.2%
Q3 24
13.2%
Q2 24
21.6%
Capex Intensity
AEP
AEP
PH
PH
Q1 26
4.6%
Q4 25
1.8%
Q3 25
5.0%
1.8%
Q2 25
2.5%
Q1 25
1.8%
Q4 24
2.6%
Q3 24
0.0%
1.9%
Q2 24
2.3%
Cash Conversion
AEP
AEP
PH
PH
Q1 26
2.91×
Q4 25
3.00×
Q3 25
2.46×
Q2 25
0.95×
1.59×
Q1 25
1.81×
0.66×
Q4 24
2.59×
0.99×
Q3 24
2.26×
1.07×
Q2 24
4.27×
1.58×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

AEP
AEP

Transmissionand Distribution Utilities Revenues$1.5B29%
Electric Generation Transmission Distribution Revenues$956.6M19%
Electricity Transmission And Distribution Revenues$931.8M18%
Industrial$685.8M14%
Marketing Competitive Retailand Renewable$438.3M9%
Wholesale Generation$231.1M5%
Wholesale Transmission$113.6M2%
Other$110.2M2%
Electric Transmission$103.4M2%
Other Retail$60.1M1%

PH
PH

Diversified Industrial$3.7B60%
Aerospace Systems$1.8B29%
Other$685.0M11%

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