Masco Corporation (MAS) Ownership & Trading Activity
Institutional holders, insider transactions, and congressional trades for MAS. 13F holdings as of 2026-03-31.
Top Institutional Holders
| Institution | Shares | Value | Change |
|---|
| BlackRock, Inc. | 15,618,560 | $943M | DECREASED |
| VANGUARD CAPITAL MANAGEMENT LLC | 13,224,747 | $798M | NEW |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 12,351,666 | $746M | NEW |
| STATE STREET CORP | 9,959,319 | $601M | DECREASED |
| HARRIS ASSOCIATES L P | 8,596,734 | $519M | DECREASED |
Recent Insider Trades
| Insider | Type | Shares | Value | Date |
|---|
| Mark R. Alexander (Director) | AWARD | 2,650 | | 2026-05-08 |
| Gary A Coombe (Director) | AWARD | 2,650 | | 2026-05-08 |
| Aine Denari (Director) | AWARD | 2,650 | | 2026-05-08 |
| Marie A Ffolkes (Director) | AWARD | 2,650 | | 2026-05-08 |
| Christopher A O'Herlihy (Director) | AWARD | 2,650 | | 2026-05-08 |
Recent Congressional Trades
| Member | Type | Amount | Date |
|---|
| Ro Khanna (Democrat) | PURCHASE | $1,001 - $15,000 | 2026-05-01 |
Full institutional holdings, insider history, and congressional trades for Masco Corporation on SentiSense.