The Williams Companies, Inc. (WMB) ownership: Top institutional holder: BlackRock, Inc. ($8.18B). Insider activity: Net Seller (0 buys, 20 sells). 10 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BlackRock, Inc. | 112406876.00 | $8.18B | 2026-03-31 |
| VANGUARD GROUP INC | 133963343.00 | $8.05B | 2025-12-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 79356001.00 | $5.78B | 2026-03-31 |
| STATE STREET CORP | 72988408.00 | $5.31B | 2026-03-31 |
| BANK OF AMERICA CORP /DE/ | 44461236.00 | $3.24B | 2026-03-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 43269040.00 | $3.15B | 2026-03-31 |
| MORGAN STANLEY | 33740119.00 | $2.46B | 2026-03-31 |
| GEODE CAPITAL MANAGEMENT, LLC | 29593870.00 | $2.14B | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-05-19 | |
| Sell | null | 2026-05-15 | |
| Sell | null | 2026-05-15 | |
| Sell | null | 2026-05-15 | |
| Sell | null | 2026-05-15 | |
| Sell | null | 2026-05-15 | |
| Sell | null | 2026-05-15 | |
| Sell | null | 2026-05-14 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.