Comparable stake leader
VANGUARD CAPITAL MANAGEMENT LLC
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001039684.
Comparable stake leader
VANGUARD CAPITAL MANAGEMENT LLC
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
20 May 2026
Ownership snapshot
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Quick read
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
13F
Vanguard Capital Management · Company
|
7.5%
|
$4,264,120,456
47,489,926 shares
|
$0 | 31 Mar 2026 |
| Julie H. Edwards |
3/4/5
Director
|
0.01%
|
$6,203,465
68,630 shares
|
— | 20 May 2026 |
| Mark W. Helderman |
3/4/5
Director
|
0.01%
|
$3,498,454
38,704 shares
|
— | 20 May 2026 |
| Mark A. Mccollum |
3/4/5
Director
|
0%
|
$232,483
2,572 shares
|
— | 20 May 2026 |
| Precious Williams Owodunni |
3/4/5
Director
|
0%
|
$232,483
2,572 shares
|
— | 20 May 2026 |
| BlackRock, Inc. |
13F
Company
|
9.4%
|
$5,368,144,508
59,388,699 shares
|
— | 31 Mar 2026 |
| STATE STREET CORP |
13F
Company
|
6.6%
|
$3,757,908,299
41,574,381 shares
|
— | 31 Mar 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13F
Company
|
4.9%
|
$2,785,631,608
30,817,918 shares
|
— | 31 Mar 2026 |
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Net insider flow leans to buying over the last 12 months. Net value: +$165,000.
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 2,500 | 0 | $165,000 | $0 | +$165,000 |
Reporting owners
Showing 1-20 of 27 reporting-owner rows connected to ONEOK INC /NEW/. Open a relationship link for the CIK-to-CIK filing trail.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Mary M. Spears | OKE | Common Stock, par value $0.01 | Gift | -3.53% | -1,000 | 27,353 | 28 May 2026 | Direct | ||
| Eduardo A. Rodriguez | OKE | Common Stock, par value $0.01 | Award | 5.18% | 1,476 | 29,972 | 20 May 2026 | Direct | ||
| Eduardo A. Rodriguez | OKE | Phantom Stock-OKE | Award | 2.19% | 369 | 17,229 | 20 May 2026 | Direct | ||
| Mark W. Helderman | OKE | Common Stock, par value $0.01 | Award | 8.52% | 3,039 | 38,704 | 20 May 2026 | Direct | ||
| Precious Williams Owodunni | OKE | Common Stock, par value $0.01 | Award | 253.8% | 1,845 | 2,572 | 20 May 2026 | Direct | ||
| Julie H. Edwards | OKE | Common Stock, par value $0.01 | Award | 2.76% | 1,845 | 68,630 | 20 May 2026 | Direct | ||
| Mark A. McCollum | OKE | Common Stock, par value $0.01 | Award | 253.8% | 1,845 | 2,572 | 20 May 2026 | Direct | ||
| Lori A. Gobillot | OKE | Phantom Stock-OKE | Award | 25% | 1,845 | 9,209 | 20 May 2026 | Direct | ||
| Randall J. Larson | OKE | Phantom Stock-OKE | Award | 83.6% | 1,845 | 4,052 | 20 May 2026 | Direct | ||
| Wayne T. Smith | OKE | Phantom Stock-OKE | Award | 29.7% | 1,845 | 8,063 | 20 May 2026 | Direct | ||
| Brian L. Derksen | OKE | Phantom Stock-OKE | Award | 4.62% | 1,845 | 41,803 | 20 May 2026 | Direct | ||
| Sheridan C. Swords | OKE | Common Stock, par value $0.01 | Tax liability | -0.93% | -2,226 | 236,033 | 22 Feb 2026 | Direct | ||
| Sheridan C. Swords | OKE | Common Stock, par value $0.01 | Options Exercise | 2.11% | 4,925 | 238,259 | 22 Feb 2026 | Direct | ||
| Sheridan C. Swords | OKE | RSU 2023 | Options Exercise | -100% | -4,925 | 0 | 22 Feb 2026 | Direct | ||
| Walter S. Hulse III | OKE | Common Stock, par value $0.01 | Tax liability | -2% | -3,454 | 168,985 | 22 Feb 2026 | Direct | ||
| Walter S. Hulse III | OKE | Common Stock, par value $0.01 | Options Exercise | 4.7% | 7,739 | 172,439 | 22 Feb 2026 | Direct | ||
| Walter S. Hulse III | OKE | RSU 2023 | Options Exercise | -100% | -7,739 | 0 | 22 Feb 2026 | Direct | ||
| Lyndon C. Taylor | OKE | Common Stock, par value $0.01 | Tax liability | -41.6% | -3,813 | 5,345 | 22 Feb 2026 | Direct | ||
| Lyndon C. Taylor | OKE | Common Stock, par value $0.01 | Options Exercise | 1380.3% | 8,539 | 9,157 | 22 Feb 2026 | Direct | ||
| Lyndon C. Taylor | OKE | RSU 2023 | Options Exercise | -100% | -8,539 | 0 | 22 Feb 2026 | Direct | ||
| Mary M. Spears | OKE | Common Stock, par value $0.01 | Tax liability | -3.65% | -1,074 | 28,353 | 22 Feb 2026 | Direct | ||
| Mary M. Spears | OKE | Common Stock, par value $0.01 | Options Exercise | 8.42% | 2,286 | 29,427 | 22 Feb 2026 | Direct | ||
| Mary M. Spears | OKE | RSU 2023 | Options Exercise | -100% | -2,286 | 0 | 22 Feb 2026 | Direct | ||
| Pierce H. Norton II | OKE | Common Stock, par value $0.01 | Tax liability | -5.74% | -7,774 | 127,782 | 22 Feb 2026 | Direct | ||
| Pierce H. Norton II | OKE | Common Stock, par value $0.01 | Options Exercise | 14.9% | 17,588 | 135,556 | 22 Feb 2026 | Direct | ||
| Pierce H. Norton II | OKE | RSU 2023 | Options Exercise | -100% | -17,588 | 0 | 22 Feb 2026 | Direct | ||
| Kevin L. Burdick | OKE | Common Stock, par value $0.01 | Tax liability | -1.47% | -2,538 | 170,405 | 22 Feb 2026 | Direct | ||
| Kevin L. Burdick | OKE | Common Stock, par value $0.01 | Options Exercise | 3.36% | 5,629 | 172,942 | 22 Feb 2026 | Direct | ||
| Kevin L. Burdick | OKE | RSU 2023 | Options Exercise | -100% | -5,629 | 0 | 22 Feb 2026 | Direct | ||
| Walter S. Hulse III | OKE | RSU 2026 | Award | 24,628 | 24,628 | 18 Feb 2026 | Direct | |||
| Randy N. Lentz | OKE | RSU 2026 | Award | 14,115 | 14,115 | 18 Feb 2026 | Direct | |||
| Mary M. Spears | OKE | RSU 2026 | Award | 5,473 | 5,473 | 18 Feb 2026 | Direct | |||
| Lyndon C. Taylor | OKE | RSU 2026 | Award | 17,283 | 17,283 | 18 Feb 2026 | Direct | |||
| Sheridan C. Swords | OKE | RSU 2026 | Award | 14,115 | 14,115 | 18 Feb 2026 | Direct | |||
| Kevin L. Burdick | OKE | RSU 2026 | Award | 12,098 | 12,098 | 18 Feb 2026 | Direct | |||
| Pierce H. Norton II | OKE | RSU 2026 | Award | 60,491 | 60,491 | 18 Feb 2026 | Direct | |||
| Randy N. Lentz | OKE | Common Stock, par value $0.01 | Tax liability | -24.7% | -1,686 | 5,139 | 30 Jan 2026 | Direct | ||
| Randy N. Lentz | OKE | Common Stock, par value $0.01 | Options Exercise | 2439.8% | 6,557 | 6,825 | 30 Jan 2026 | Direct | ||
| Randy N. Lentz | OKE | RSU 2025-OC | Options Exercise | -34.9% | -6,557 | 12,225 | 30 Jan 2026 | Direct | ||
| Precious W. Owodunni | OKE | Common Stock, par value $0.01 | Award | 727 | 727 | 23 Jan 2026 | Direct | |||
| Mark A. McCollum | OKE | Common Stock, par value $0.01 | Award | 727 | 727 | 23 Jan 2026 | Direct | |||
| Brian L. Derksen | OKE | Common Stock, par value $0.01 | Purchase | 13.4% | $165,000 | $66.00 | 2,500 | 21,200 | 03 Nov 2025 | Direct |
| Sheridan C. Swords | OKE | RSU 2025-S | Award | 20,661 | 20,661 | 23 Sep 2025 | Direct | |||
| Mary M. Spears | OKE | RSU 2025-S | Award | 11,019 | 11,019 | 23 Sep 2025 | Direct | |||
| Lyndon C. Taylor | OKE | RSU 2025-S | Award | 30,303 | 30,303 | 23 Sep 2025 | Direct | |||
| Randy N. Lentz | OKE | RSU 2025-S | Award | 10,331 | 10,331 | 23 Sep 2025 | Direct | |||
| Kevin L. Burdick | OKE | RSU 2025-S | Award | 13,774 | 13,774 | 23 Sep 2025 | Direct | |||
| Walter S. Hulse III | OKE | RSU 2025-S | Award | 34,435 | 34,435 | 23 Sep 2025 | Direct |