Masco Corporation (MAS) Shareholders & Insider Trades
Masco shareholders at a glance
The largest holder of Masco stock is Vanguard Capital Management LLC, with 13.2 million shares (6.68% of the company), worth about $951.00 million as of September 25, 2026. The 10 largest holders together own 41.6%.
In Q2 2026, 949 institutional holdings reports listed shares worth $16.70 billion.
Insiders reported 52 transactions in the last two years: 10 sales worth $18.63 million and no purchases. The newest one on file is from May 8, 2026 (Alexander Mark R, Director).
Major holders as of September 25, 2026; quarterly totals from institutional holdings reports (latest Q2 2026); insider transactions on file through May 8, 2026.
Masco Corporation
Shareholders Summary
2026Q2
Ownership by Type
Geographic Distribution
Largest Masco shareholders
| Holder | Shares | % of company | Value |
|---|---|---|---|
| Vanguard Capital Management LLC | 13.2 million | 6.68% | $951.0M |
| BlackRock Advisors LLC | 12.9 million | 6.53% | $930.0M |
| Vanguard Portfolio Management LLC | 12.2 million | 6.20% | $882.0M |
| State Street Corporation | 10.7 million | 5.44% | $774.0M |
| Harris Associates LP | 8.3 million | 4.22% | $600.0M |
| JPMorgan Investment Management, Inc. | 5.5 million | 2.77% | $394.0M |
| Geode Capital Management LLC | 5.4 million | 2.71% | $386.0M |
| Van Eck Associates Corp. | 4.7 million | 2.39% | $340.0M |
| Boston Partners Global Investors, Inc. | 4.6 million | 2.34% | $332.0M |
| MFS Investment Management Canada Ltd. | 4.5 million | 2.29% | $326.0M |
As of September 25, 2026.
Masco institutional holdings by quarter
| Quarter | Reports | Shares | Value |
|---|---|---|---|
| Q2 2026 | 949 | – | $16.7B |
| Q1 2026 | 862 | 199.0 million | $12.0B |
| Q4 2025 | 872 | – | $13.2B |
| Q3 2025 | 915 | 205.0 million | $14.4B |
| Q2 2025 | 887 | 201.0 million | $12.9B |
| Q1 2025 | 908 | 198.0 million | $13.8B |
| Q4 2024 | 891 | 199.0 million | $14.4B |
| Q3 2024 | 880 | 204.0 million | $17.1B |
Shares and value held by institutions that file quarterly holdings reports (options not included).
Masco insider trades
| Insider | Date | Title | Transaction | Value |
|---|---|---|---|---|
| Alexander Mark R | May 8, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
| O Herlihy Christopher A | May 8, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
| Coombe Gary A | May 8, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
| Ffolkes Marie A | May 8, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
| Denari Aine | May 8, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
| Plant John C | May 8, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
| Reddy Sandeep | May 8, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
| Payne Lisa A | May 8, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
| Stevens Charles K Iii | May 8, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
| Payne Lisa A | Mar 6, 2026 | Director | Sale at price 63.66 per share. | $1.1M |
| Eisman Heath M | Feb 26, 2026 | Officer | Sale at price 71.92 per share. | $53,721 |
| Nudi Jonathon J | Feb 12, 2026 | Chief Executive Officer | Stock Award(Grant) at price 0.00 per share. | – |
Newest 12 of 52 insider transactions in the last two years.
Questions and answers
Who owns the most Masco stock?
Vanguard Capital Management LLC, with 6.68% of the company (as of September 25, 2026). Next: BlackRock Advisors LLC (6.53%) and Vanguard Portfolio Management LLC (6.20%).
How many institutions own Masco stock?
949 institutional holdings reports listed Masco shares in Q2 2026 worth $16.70 billion.
Are Masco insiders buying or selling the stock?
In the last two years insiders reported 10 sales and no purchases (52 transactions in all); the newest on file is from May 8, 2026.
