Williams Companies Inc (WMB)
Who owns Williams Companies Inc (WMB)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 99.4% of the shares are freely tradable; institutional investors hold 89.1%.
Ownership Structure
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Group Inc | 10.95 | 133,963,343 | +0.7 | 12/31/2025 |
| BlackRock Inc | 9.15 | 111,870,176 | +3.7 | 03/31/2026 |
| Vanguard Capital Management, LLC | 6.49 | 79,356,001 | +0.0 | 03/31/2026 |
| State Street Corp | 5.97 | 72,988,408 | +7.4 | 03/31/2026 |
| Bank of America Corp | 3.64 | 44,461,236 | -3.5 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 3.54 | 43,269,040 | +0.0 | 03/31/2026 |
| Morgan Stanley - Brokerage Accounts | 2.76 | 33,740,119 | +0.5 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Cushing Midstream Strategy | 11.68 | 142,834,689 | +3.4 | 12/31/2025 |
| Vanguard Total Stock Mkt Idx Inv | 3.18 | 38,923,641 | +0.3 | 04/30/2026 |
| Vanguard 500 Index Investor | 2.59 | 31,665,417 | +1.8 | 04/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: July 31, 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.