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ONEOK Inc (OKE) Financial History

20 years of revenue, earnings, cash-flow and balance-sheet history from public filings.

ENERGY · Oil & Gas Storage & Transportation · DATA UPDATED 2026-07-14

ONEOK Inc (OKE) operates in the Oil & Gas Storage & Transportation industry and is headquartered in Tulsa, United States with about 6,326 employees. Its market capitalization is roughly $59 billion. In the fiscal year ended 2025-12-31, OKE reported $33.6B in revenue and $3.4B in net income.

ONEOK, Inc. operates as a midstream service provider of gathering, processing, fractionation, transportation, storage, and marine export services in the United States. It operates in four segments: Natural Gas Gathering and Processing; Natural Gas Liquids; Natural Gas Pipelines; and Refined Products and Crude.

Interactive charts & full statements → Open the OKE valuation workbench →

OKE Revenue & Earnings History — Annual Income Statement

Income statement	TTM → 2026-03-31	2025-12-31	2024-12-31	2023-12-31	2022-12-31	2021-12-31	2020-12-31	2019-12-31	2018-12-31	2017-12-31	2016-12-31	2015-12-31	2014-12-31	2013-12-31	2012-12-31	2011-12-31	2010-12-31	2009-12-31	2008-12-31	2007-12-31	2006-12-31
Total Revenue	$35.2B	$33.6B	$21.6B	$17.7B	$22.9B	$17.3B	$8.5B	$10.1B	$12.6B	$12.2B	$8.9B	$7.7B	$12.2B	$14.6B	$12.5B	$14.8B	$12.9B	$11.3B	$16.2B	$13.5B	$11.9B
Gross Profit	$8.4B	$7.2B	$5.0B	$5.7B	$3.1B	$3.0B	$2.0B	$2.0B	$2.0B	$1.6B	$1.3B	$1.1B	$1.2B	$1.5B	$1.1B	$1.1B	$877M	$776M	$992M	$912M	$833M
Gross Margin %	23.9%	21.5%	23.3%	32.5%	13.6%	17.5%	24.0%	19.6%	15.6%	13.1%	15.0%	14.1%	10.1%	10.2%	9.1%	7.3%	6.8%	6.9%	6.1%	6.8%	7.0%
Operating Income (EBIT)	$7.1B	$7.0B	$5.0B	$4.1B	$3.0B	$2.9B	$1.9B	$1.9B	$1.9B	$1.5B	$1.2B	$993M	$1.2B	$1.4B	$1.0B	$980M	$786M	$675M	$910M	$826M	$755M
Operating Margin %	20.3%	20.7%	23.2%	23.0%	13.3%	16.5%	22.5%	18.5%	14.8%	12.3%	14.1%	12.9%	9.5%	9.3%	8.3%	6.6%	6.1%	6.0%	5.6%	6.1%	6.3%
Net Income	$3.5B	$3.4B	$3.0B	$2.7B	$1.7B	$1.5B	$613M	$1.3B	$1.2B	$388M	$352M	$245M	$314M	$267M	$361M	$361M	$335M	$305M	$312M	$305M	$306M
Net Margin %	10.0%	10.1%	14.0%	15.0%	7.5%	8.7%	7.2%	12.6%	9.1%	3.2%	4.0%	3.2%	2.6%	1.8%	2.9%	2.4%	2.6%	2.7%	1.9%	2.3%	2.6%
EBITDA	$7.9B	$7.8B	$6.6B	$5.1B	$3.5B	$3.3B	$2.0B	$2.6B	$2.4B	$1.9B	$1.8B	$1.3B	$1.4B	$1.4B	$1.6B	$1.6B	$1.4B	$1.3B	$1.3B	$1.2B	$1.2B
Earnings Per Share (EPS)	$5.61	$5.38	$5.17	$5.48	$3.84	$3.35	$1.42	$3.08	$2.78	$1.29	$1.66	$1.16	$1.49	$1.27	$1.71	$1.68	$1.55	$1.44	$1.47	$1.39	$1.34
Shares Outstanding (M)	632M	631M	586M	485M	448M	447M	432M	415M	414M	300M	212M	211M	210M	210M	211M	214M	216M	213M	212M	219M	229M

USD; $M / $B as marked. Newest period first. Source: public company filings (via Yahoo Finance aggregation).

OKE Quarterly Revenue & Earnings — Last 8 Quarters

Quarterly income statement	2026-03-31	2025-12-31	2025-09-30	2025-06-30	2025-03-31	2024-12-31	2024-09-30	2024-06-30
Total Revenue	$9.6B	$9.1B	$8.6B	$7.9B	$8.0B	$7.0B	$5.0B	$4.9B
Gross Profit	$2.6B	$2.7B	$1.7B	$1.5B	$1.4B	$2.2B	$1.2B	$1.3B
Gross Margin %	26.7%	29.4%	19.2%	19.5%	16.8%	30.9%	24.1%	25.6%
Operating Income (EBIT)	$1.4B	$2.7B	$1.6B	$1.5B	$1.3B	$1.6B	$1.1B	$1.2B
Operating Margin %	14.8%	29.7%	18.0%	18.4%	15.7%	22.4%	22.7%	25.1%
Net Income	$774M	$979M	$939M	$841M	$636M	$923M	$693M	$780M
Net Margin %	8.1%	10.8%	10.9%	10.7%	7.9%	13.2%	13.8%	15.9%
EBITDA	$1.8B	$2.1B	$2.1B	$1.9B	$1.7B	$2.1B	$1.5B	$1.6B
Earnings Per Share (EPS)	$1.23	$1.55	$1.49	$1.34	$1.04	$1.57	$1.18	$1.33
Shares Outstanding (M)	632M	631M	628M	628M	612M	586M	587M	586M

USD; $M / $B as marked. Newest period first. Source: public company filings (via Yahoo Finance aggregation).

OKE Free Cash Flow History

Cash flow	TTM → 2026-03-31	2025-12-31	2024-12-31	2023-12-31	2022-12-31	2021-12-31	2020-12-31	2019-12-31	2018-12-31	2017-12-31	2016-12-31	2015-12-31	2014-12-31	2013-12-31	2012-12-31	2011-12-31	2010-12-31	2009-12-31	2008-12-31	2007-12-31	2006-12-31
Cash from Operations (CFO)	$5.6B	$5.6B	$4.9B	$4.4B	$2.9B	$2.5B	$1.9B	$1.9B	$2.2B	$1.3B	$1.4B	$1.0B	$1.3B	$1.3B	$991M	$1.4B	$834M	$1.5B	$476M	$1.0B	$873M
Capital Expenditures (CapEx)	$3.4B	$3.2B	$2.0B	$1.6B	$1.2B	$697M	$2.2B	$3.8B	$2.1B	$512M	$625M	$1.2B	$1.8B	$2.3B	$1.9B	$1.3B	$583M	$791M	$1.5B	$884M	$376M
Free Cash Flow (FCF)	$2.2B	$2.4B	$2.9B	$2.8B	$1.7B	$1.8B	($296M)	($1.9B)	$45M	$803M	$727M	($181M)	($494M)	($962M)	($875M)	$24M	$251M	$661M	($997M)	$146M	$497M
FCF Margin %	6.4%	7.3%	13.2%	16.0%	7.4%	10.7%	-3.5%	-18.8%	0.4%	6.6%	8.2%	-2.4%	-4.0%	-6.6%	-7.0%	0.2%	1.9%	5.9%	-6.2%	1.1%	4.2%
Dividends Paid	$2.6B	$2.6B	$2.3B	$1.8B	$1.7B	$1.7B	$1.6B	$1.5B	$1.3B	$829M	$518M	$509M	$444M	$305M	$262M	$227M	$194M	$173M	$163M	$150M	$135M

USD; $M / $B as marked. Newest period first. Source: public company filings (via Yahoo Finance aggregation).

OKE Quarterly Free Cash Flow — Last 8 Quarters

Quarterly cash flow	2026-03-31	2025-12-31	2025-09-30	2025-06-30	2025-03-31	2024-12-31	2024-09-30	2024-06-30
Cash from Operations (CFO)	$934M	$1.5B	$1.6B	$1.5B	$904M	$1.6B	$1.3B	$1.4B
Capital Expenditures (CapEx)	$864M	$970M	$804M	$749M	$629M	$562M	$468M	$479M
Free Cash Flow (FCF)	$70M	$576M	$820M	$776M	$275M	$1.0B	$783M	$957M
FCF Margin %	0.7%	6.3%	9.5%	9.8%	3.4%	15.0%	15.6%	19.6%
Dividends Paid	$674M	$648M	$648M	$644M	$643M	$579M	$578M	$578M

USD; $M / $B as marked. Newest period first. Source: public company filings (via Yahoo Finance aggregation).

OKE Balance Sheet History

Balance sheet	2026-03-31	2025-12-31	2024-12-31	2023-12-31	2022-12-31	2021-12-31	2020-12-31	2019-12-31	2018-12-31	2017-12-31	2016-12-31	2015-12-31	2014-12-31	2013-12-31	2012-12-31	2011-12-31	2010-12-31	2009-12-31	2008-12-31	2007-12-31	2006-12-31
Total Assets	$68.2B	$66.6B	$64.1B	$44.3B	$24.4B	$23.6B	$23.1B	$21.8B	$18.2B	$16.8B	$16.1B	$15.4B	$15.3B	$17.7B	$15.9B	$13.7B	$12.5B	$12.8B	$13.1B	$11.1B	$10.4B
Cash & Cash Equivalents	$172M	$78M	$733M	$338M	$220M	$146M	$524M	$21M	$12M	$37M	$249M	$98M	$173M	$149M	$584M	$66M	$31M	$29M	$510M	$19M	$68M
Total Liabilities	$45.8B	$44.1B	$41.9B	$27.8B	$17.9B	$17.6B	$17.0B	$15.6B	$11.7B	$11.2B	$12.7B	$11.7B	$11.3B	$12.9B	$11.6B	$9.9B	$8.6B	$9.4B	$10.0B	$8.3B	$7.5B
Total Debt (Short + Long-Term)	$33.7B	$32.8B	$32.1B	$21.7B	$13.6B	$13.7B	$14.2B	$12.7B	$9.4B	$9.1B	$9.4B	$9.0B	$8.3B	$8.3B	$7.3B	$5.7B	$4.9B	$5.5B	$6.5B	$4.8B	$4.1B
Total Shareholders' Equity	$22.4B	$22.5B	$17.0B	$16.5B	$6.5B	$6.0B	$6.0B	$6.2B	$6.6B	$5.5B	$189M	$336M	$592M	$2.3B	$2.1B	$2.2B	$2.4B	$2.2B	$2.1B	$2.0B	$2.2B

USD; $M / $B as marked. Newest period first. Source: public company filings (via Yahoo Finance aggregation).

Quarterly statements, profitability ratios, price history, insider activity and institutional holders are in the interactive OKE viewer.

Other Companies in Oil & Gas Storage & Transportation

WMB · Williams Companies — $91 billion
KMI · Kinder Morgan — $73 billion
TRGP · Targa Resources — $60 billion

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