Income StatementBalance SheetCash FlowSegments
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Oneok Income Statement

Revenue, expenses, and profitability over time

Oneok generated $35.2B in trailing twelve-month revenue, up 0.4% year-over-year. Net income was $3.5B with a 10.03% net margin. Gross margin stands at 29.64% and operating margin at 16.9%. Diluted EPS is $5.61, which grew 0.1% year-over-year. Based on the Q1 2026 filing.

Total Revenue (TTM)$35.2BGross Profit (TTM)$10.4BOperating Income (TTM)$5.9BNet Income$774.0MEps Diluted$1.23
Latest FilingQ1 2026
Report Date2026-04-29
Market Cap$55.7B
P/E Ratio15.78
ROE16.15%

Operating Expenses

MetricQ4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
Other Operating Expense, Net$240.0M$6.0M$0.0$12.0M$25.0M-$6.0M
Acquisition and integration costs$56.0M$42.0M$22.0M$10.0M$7.0M$7.0M
Depreciation and amortization$344.0M$380.0M$368.0M$378.0M$388.0M$378.0M
Other Costs and Expenses$674.0M$655.0M$618.0M$639.0M$673.0M$634.0M
Other taxes and duties$95.0M$97.0M$88.0M$99.0M$94.0M$112.0M

Earnings Per Share

MetricQ4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
Basic earnings per share$1.59$1.04$1.34$1.49$1.56$1.23
Diluted earnings per share$1.57$1.04$1.34$1.49$1.55$1.23
Weighted-average shares, basic—611.4M627.2M630.6M—630.7M
Weighted-average shares, diluted—612.5M628.1M631.5M—631.6M

Other Income & Expense

MetricQ4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
Income from equity method investments$183.0M$108.0M$81.0M$92.0M$105.0M$89.0M
Interest expense$448.0M$442.0M$438.0M$450.0M$453.0M$439.0M

Operating Income

MetricQ4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
Gross profit$2.5B$2.4B$2.5B$2.7B$2.7B$2.6B
Operating income$1.6B$1.2B$1.4B$1.6B$1.5B$1.4B

Income Before Tax

MetricQ4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
Income before income taxes$1.3B$888.0M$1.1B$1.2B$1.3B$1.0B

Tax

MetricQ4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
Income tax expense$328.0M$197.0M$260.0M$297.0M$274.0M$245.0M

Net Income

MetricQ4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
Net income$923.0M$636.0M$841.0M$939.0M$977.0M$774.0M

Other

MetricQ4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
Equity method investment, impairment—$0.0———$60.0M
Other income, net (Note 6)$25.0M$2.0M$39.0M$37.0M$68.0M$3.0M

Cost of Revenue

MetricQ4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
Total cost of revenue$4.5B$5.7B$5.4B$6.0B$6.4B$7.1B

Revenue

MetricQ4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
Total revenue$7.0B$8.0B$7.9B$8.6B$9.1B$9.6B