BlackRock Discloses 9.6% Passive Stake in ONEOK Inc.

Schedule 13G Analysis: ONEOK INC /NEW/ (BlackRock, Inc.)

Overview

On October 5, 2026, BlackRock, Inc. filed an initial or regular Schedule 13G with the SEC, disclosing a beneficial ownership stake of 9.6% in ONEOK INC /NEW/ (NYSE: OKE). The triggering event date for the ownership threshold was September 30, 2026.

Key Ownership Details

• Total Beneficial Ownership: 60,766,830 shares
• Percent of Class: 9.6%
• Sole Voting Power: 56,786,468 shares
• Shared Voting Power: 0 shares
• Sole Dispositive Power: 60,766,830 shares
• Shared Dispositive Power: 0 shares

Filing Nature and Intent

The filing was made pursuant to Rule 13d-1(b) as an institutional holding company/investment adviser (HC). Under Item 10 certifications, BlackRock confirms that the shares were acquired and are held in the ordinary course of business, without the purpose or effect of changing or influencing control of the issuer.

Market Impact & Significance

• Significance: Low
• Context: BlackRock routinely holds substantial passive index and institutional positions across S&P 500 and large-cap midstream energy companies. This filing represents routine passive asset management rather than an activist or strategic control campaign.