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Buy Day today: Neutral (51) Mixed market breadth · no major macro event
MAS

Masco Corporation

Industrials · Building Products & Equipment

68.10$ -0.2% vs. previous close Closing price · As of: Sep 18, 2026

Ownership

Ownership Structure

Who owns Masco Corporation (MAS)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 99.6% of the shares are freely tradable; institutional investors hold 105.5%.

Institutional ownership ?Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings. 105.5%
Insiders ?Share of the stock held by the executives, founders and major shareholders of the company itself. 0.2%
Float ?Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders. 99.6%
Short % of float ?Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices. 4.9%
Shares Outstanding ?Total number of shares issued. Price times share count gives market cap. 197Mio.

Largest Shareholders

Institutions

Institutions MAS
Name Stake (%) Shares Change (%) Date
BlackRock Inc 7.92 15,618,560 -5.3 03/31/2026
Vanguard Capital Management, LLC 6.71 13,224,747 +0.0 03/31/2026
Vanguard Portfolio Management, LLC 6.26 12,351,666 +0.0 03/31/2026
State Street Corp 5.05 9,959,319 -2.7 03/31/2026
Harris Associates L.P. 4.22 8,318,944 -3.2 06/30/2026
JPMorgan Chase & Co 3.37 6,641,369 +9.5 03/31/2026
Van Eck Associates Corporation 2.96 5,842,483 +73.1 03/31/2026
Geode Capital Management, LLC 2.72 5,354,444 +0.7 03/31/2026

Funds

Funds MAS
Name Stake (%) Shares Change (%) Date
Vanguard MStar Total Stk Mkt Idx Invest 3.26 6,420,260 +0.3 07/31/2026
Vanguard 500 Index Investor 2.69 5,294,554 +1.1 07/31/2026

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: September 18, 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.

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