ONEOK Funding History
Since ONEOK was founded in 1906, it has participated in 4 rounds of funding. In total ONEOK has raised $9.0B. ONEOK's last funding round was on Aug 2025 for a total of $3.0B.
ONEOK Funding Rounds
ROUND
FUNDING DATE
AMOUNT
NUMBER OF INVESTORS
INVESTORS
Post-IPO Debt
Aug 2025
$3B
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Post-IPO Debt
Aug 2023
$5.3B
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Post-IPO Equity
Nov 2022
$750M
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