Oneok
ONEOK, Inc. (NYSE: OKE) is a leading midstream energy infrastructure company that delivers natural gas, natural gas liquids, refined products, and crude oil through an extensive network of approximately 60,000 miles of pipelines across North America. The company operates through four reportable segments: Natural Gas… From the company’s description.
Margins and return on equity change in ; everything else in percent. Fewer shares and less debt are shown plainly, not as bad news — it depends what you make of buybacks. Dotted labels explain each measure. is shown separately from the annual figures.
What Oneok does
In the company’s own words
ONEOK, Inc. (NYSE: OKE) is a leading midstream energy infrastructure company that delivers natural gas, natural gas liquids, refined products, and crude oil through an extensive network of approximately 60,000 miles of pipelines across North America. The company operates through four reportable segments: Natural Gas Gathering and Processing, Natural Gas Liquids, Natural Gas Pipelines, and Refined Products and Crude.
The Natural Gas Gathering and Processing segment operates gathering pipelines and processing plants with combined capacity of 7.2 billion cubic feet per day across the Rocky Mountain, Mid-Continent, and Permian Basin regions, serving producers in major shale formations including the Williston Basin, Anadarko Basin, and Delaware Basin. The Natural Gas Liquids segment provides fractionation, transportation, and storage services with 1.2 million barrels per day of fractionation capacity and 40 million barrels of storage capacity, primarily serving markets in Conway, Kansas, Mont Belvieu, Texas, and Louisiana. The Natural Gas Pipelines segment operates 8,300 miles of natural gas pipelines and 74 billion cubic feet of underground storage capacity across intrastate and interstate systems, serving industrial customers, utilities, and liquefied natural gas export facilities. The Refined Products and Crude segment operates 9,800 miles of refined products pipelines, 1,100 miles of crude oil transportation pipelines, and 53 refined products terminals with 100 million barrels of storage capacity.
Approximately 90 percent of consolidated earnings are fee-based, providing stable cash flows with reduced commodity price exposure. The company completed significant acquisitions in 2024 and 2025, including the Medallion Acquisition and the EnLink Acquisition, which expanded its integrated asset base and operational capabilities. ONEOK maintains investment-grade credit ratings and operates a sustainable business model focused on high-return capital projects, dividend growth, and shareholder returns. The company serves major and independent crude oil and natural gas producers across productive North American basins and connects key supply areas with demand centers including refineries, petrochemical facilities, and export markets.
Company details
- Sector
- Energy
- Industry (SIC)
- Electric, Gas & Water
- Headquarters
- TULSA, OK
- Fiscal year end
- December
- CIK
- 1039684
- SIC
- 4923
Financial performance, year by year
Fiscal 2013–2025 · USDThe full income statement, balance sheet and cash flow for each of these years — every figure traceable to its filing — is on the Financials tab with a free account.
Who owns Oneok — and what changed
Funds as of 2026Q2 · superinvestors as of 2026-06-30
Largest fund holders · Oneok’s weight in each
Fund ownership is a floor, not a census — pensions, insurers and people holding shares directly are not visible here.
Fund ownership counts N-PORT filers only, so it is a floor rather than a census — pensions, insurers and direct holders are not visible here, and the remainder is not “held by individuals”.
Could not be determined for this company: bond issues.
Every fund and institutional holder, quarter by quarter, is on the Ownership tab with a free account.
Recent filings
All filings →Each filing opens into its own statements and disclosures here.
Put this business in context.
Compare this company with peers, find it in your funds and follow its financial history with your connected AI:
- “How do Oneok and its peers compare on margins and cash generation over ten years?”
- “Where did five years of Oneok's earnings go — cash, debt, buybacks, reinvestment?”
- “What changed in Oneok's last four quarterly filings that the numbers alone won't show?”