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Companies / Energy / Oneok
OKE

Oneok

EnergyElectric, Gas & WaterDeregistered 2026-09-28S&P 500
Ticker OKETULSA, OKFiscal year ends DecemberBook value per share $36.30Diluted shares 631.8M

ONEOK, Inc. (NYSE: OKE) operates midstream energy infrastructure, providing natural gas gathering, processing, transportation and storage, as well as NGL fractionation, distribution and export services and refined-products and crude-oil transportation and terminal services. Its customers include energy producers,… From the company’s description.

In fiscal 2025, Oneok reported revenue of $33.63B, up 55.0% from fiscal 2024, and net income of $3.46B. Its operating margin was 17.1%, and operations generated $5.60B in cash. Over the twelve months to Jun 30, 2026, revenue was $39.37B.

Fiscal year 2025 · ends 12-31Changes are against fiscal 2024The amber dot is the latest twelve months, to 2026-06-30
Sales & profitability
$33.63BFY2025
+55.0% year over year
Last 12 mo $39.37B
17.07%FY2025
−5.9 percentage points
Last 12 mo 15.52%
$3.46BFY2025
+11.2% year over year
Last 12 mo $3.66B
15.09%FY2025
−2.7 percentage points
Last 12 mo 15.94%
Cash & financing
$5.60BFY2025
+14.5% year over year
Last 12 mo $6.16B
$2.45BFY2025
−14.6% year over year
Last 12 mo $2.91B
1.46FY2025
Was 1.88× a year earlier
Last 12 mo 1.44
625.9MFY2025
+6.7% year over year
Last 12 mo 631.8M

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) operates midstream energy infrastructure, providing natural gas gathering, processing, transportation and storage, as well as NGL fractionation, distribution and export services and refined-products and crude-oil transportation and terminal services. Its customers include energy producers, utilities, industrial and petrochemical companies, propane distributors, refineries, exporters and other end users. The company reports four segments: Natural Gas Gathering and Processing; Natural Gas Liquids; Natural Gas Pipelines; and Refined Products and Crude. Its approximately 60,000-mile pipeline network connects producing regions with refineries, storage facilities, demand centers and export markets. In 2025, ONEOK generated $[amount not provided] in revenue; its assets include 22,600 miles of natural gas gathering pipelines, 1.2 million barrels per day of NGL fractionation capacity, 8,300 miles of natural gas pipelines and 9,800 miles of refined-products pipelines. The company expanded through its acquisitions of Magellan Midstream Partners in 2023 and EnLink Midstream and Medallion in 2024–2025, broadening its liquids and natural gas infrastructure. Its website is www.oneok.com.

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 · USD
$-3.94B$7.87B$19.68B$31.49B$43.30B2013201420152016201720182019202020212022202320242025Last 12 moLast 12 monthsLast 12 months

The 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.

Ownership

Who owns Oneok — and what changed

Funds as of 2026Q2 · superinvestors as of 2026-06-30

749
funds hold it
0 of 35
superinvestors hold it
$22.04B
held by funds, at market
39.9%
of shares held by funds

Largest fund holders · Oneok’s weight in each

VANGUARD TOTAL STOCK MARKET INDEX FUND
VTI · VANGUARD INDEX FUNDS
0.08%of fund net assets
VANGUARD 500 INDEX FUND
VOO · VANGUARD INDEX FUNDS
0.08%of fund net assets
Schwab U.S. Dividend Equity ETF
SCHD · SCHWAB STRATEGIC TRUST
1.33%of fund net assets
VANGUARD MID-CAP INDEX FUND
VO · VANGUARD INDEX FUNDS
0.53%of fund net assets
3.29%of fund net assets

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.

Connected research

Put this business in context.

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