ONEOK Inc
Ownership
Ownership Structure
Who owns ONEOK Inc (OKE)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 99.7% of the shares are freely tradable; institutional investors hold 83.5%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 10.24 | 64,537,467 | +8.7 | 06/30/2026 |
| State Street Corp | 6.92 | 43,633,749 | +5.0 | 06/30/2026 |
| Vanguard Capital Management, LLC | 6.52 | 41,112,675 | +0.6 | 06/30/2026 |
| Vanguard Portfolio Management, LLC | 4.90 | 30,904,162 | +0.3 | 06/30/2026 |
| Arnhold & S. Bleichroeder Advisers, LLC | 3.75 | 23,669,654 | +102.7 | 06/30/2026 |
| Charles Schwab Investment Management Inc | 3.23 | 20,373,418 | +10.9 | 06/30/2026 |
| Geode Capital Management, LLC | 2.77 | 17,439,867 | +1.9 | 06/30/2026 |
| Capital Research & Mgmt Co - Division 3 | 2.73 | 17,204,063 | +31.2 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 3.18 | 20,016,166 | -0.1 | 09/30/2026 |
| Schwab US Dividend Equity ETF™ | 2.78 | 17,530,566 | +0.3 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Swords Sheridan C | See Remarks | 238,811 | 23,188,586 $ | Sep 23, 2026 | direct |
| Hulse Walter S Iii | See Remarks | 173,049 | 16,803,063 $ | Sep 23, 2026 | direct |
| Burdick Kevin L | See Remarks | 172,029 | 16,704,027 $ | Sep 23, 2026 | direct |
| Spears Mary M | See Remarks | 28,652 | 2,782,121 $ | Sep 23, 2026 | direct |
| Taylor Lyndon C | See Remarks | 9,389 | 911,672 $ | Sep 23, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 23, 2026 | Spears Mary M | See Remarks | Other | 1,016 | 90.09 | 91,531 |
| Sep 23, 2026 | Spears Mary M | See Remarks | Other | 2,316 | – | – |
| Sep 23, 2026 | Swords Sheridan C | See Remarks | Other | 1,905 | 90.09 | 171,621 |
| Sep 23, 2026 | Swords Sheridan C | See Remarks | Other | 4,343 | – | – |
| Sep 23, 2026 | Hulse Walter S Iii | See Remarks | Other | 3,174 | 90.09 | 285,946 |
| Sep 23, 2026 | Hulse Walter S Iii | See Remarks | Other | 7,238 | – | – |
| Sep 23, 2026 | Taylor Lyndon C | See Remarks | Other | 2,793 | 90.09 | 251,621 |
| Sep 23, 2026 | Taylor Lyndon C | See Remarks | Other | 6,369 | – | – |
| Sep 23, 2026 | Burdick Kevin L | See Remarks | Other | 1,270 | 90.09 | 114,414 |
| Sep 23, 2026 | Burdick Kevin L | See Remarks | Other | 2,895 | – | – |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: October 30, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.