MAS Masco Corporation
Masco Corporation (MAS) Institutional Ownership
What the institutions did with MAS last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended June 30, 2026.
Every manager below opens. Subscribers can see any firm's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.
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Each block is one manager, sized by shares held and colored by how much they moved the position last quarter. Green added, red cut, grey stood pat.
Largest holders
| Manager | Shares | % of reported |
|---|---|---|
| BlackRock, Inc. | 15.7M | 7.8% |
| VANGUARD CAPITAL MANAGEMENT LLC | 13.2M | 6.6% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 12.2M | 6.1% |
| STATE STREET CORP | 10.7M | 5.3% |
| HARRIS ASSOCIATES L P | 8.3M | 4.1% |
| JPMORGAN CHASE & CO | 5.5M | 2.7% |
| GEODE CAPITAL MANAGEMENT, LLC | 5.4M | 2.7% |
| VAN ECK ASSOCIATES CORP | 4.7M | 2.3% |
| Boston Partners | 4.6M | 2.3% |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 4.5M | 2.3% |
| WELLINGTON MANAGEMENT GROUP LLP | 3.8M | 1.9% |
| Beutel, Goodman & Co Ltd. | 3.7M | 1.8% |
| Invesco Ltd. | 3.6M | 1.8% |
| NORTHERN TRUST CORP | 3.2M | 1.6% |
| NORDEA INVESTMENT MANAGEMENT AB | 3.1M | 1.5% |
| MORGAN STANLEY | 2.7M | 1.4% |
| Nuveen, LLC | 2.4M | 1.2% |
| AQR CAPITAL MANAGEMENT LLC | 2.3M | 1.2% |
| BANK OF AMERICA CORP /DE/ | 2.2M | 1.1% |
| NORGES BANK | 2.2M | 1.1% |
| GOLDMAN SACHS GROUP INC | 2.2M | 1.1% |
| Holocene Advisors, LP | 2.2M | 1.1% |
| EARNEST PARTNERS LLC | 2.1M | 1.1% |
| Quantinno Capital Management LP | 2.1M | 1.0% |
| Impax Asset Management Group plc | 2.0M | 1.0% |
Largest changes
| Manager | Action | Previous | Current | Change |
|---|---|---|---|---|
| JACOBS LEVY EQUITY MANAGEMENT, INC | Reduced | 2.3M | 8.1K | -2.3M |
| NORDEA INVESTMENT MANAGEMENT AB | Reduced | 4.5M | 3.1M | -1.4M |
| AQR CAPITAL MANAGEMENT LLC | Increased | 1.0M | 2.3M | +1.3M |
| Amundi | Reduced | 2.2M | 937.4K | -1.2M |
| JPMORGAN CHASE & CO | Reduced | 6.6M | 5.5M | -1.2M |
| VAN ECK ASSOCIATES CORP | Reduced | 5.8M | 4.7M | -1.1M |
| ARIEL INVESTMENTS, LLC | Increased | 523.4K | 1.6M | +1.1M |
| FRANKLIN RESOURCES INC | Increased | 258.0K | 1.4M | +1.1M |
| AMERIPRISE FINANCIAL INC | Increased | 405.8K | 1.3M | +902.6K |
| FIDUCIARY MANAGEMENT INC /WI/ | Reduced | 2.4M | 1.6M | -805.9K |
| Eurizon Capital SGR S.p.A. | Increased | 810.8K | 1.6M | +802.2K |
| Pictet Asset Management Holding SA | Reduced | 2.5M | 1.7M | -785.1K |
| STATE STREET CORP | Increased | 10.0M | 10.7M | +766.7K |
| Squarepoint Ops LLC | Reduced | 843.5K | 204.9K | -638.6K |
| VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. | Sold Out | 635.3K | 0 | -635.3K |
| Quantinno Capital Management LP | Increased | 1.5M | 2.1M | +556.0K |
| Beutel, Goodman & Co Ltd. | Increased | 3.2M | 3.7M | +545.4K |
| Holocene Advisors, LP | Reduced | 2.6M | 2.2M | -462.4K |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | Increased | 9.5K | 470.5K | +461.0K |
| Woodline Partners LP | Reduced | 501.0K | 44.1K | -456.9K |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | 1.1M | 683.9K | -450.2K |
| WELLINGTON MANAGEMENT GROUP LLP | Reduced | 4.2M | 3.8M | -445.7K |
| FULLER & THALER ASSET MANAGEMENT, INC. | Increased | 718.7K | 1.1M | +383.3K |
| Russell Investments Group, Ltd. | Reduced | 605.6K | 231.8K | -373.9K |
| ROYAL BANK OF CANADA | Increased | 343.7K | 692.6K | +348.9K |
| Impax Asset Management Group plc | Reduced | 2.4M | 2.0M | -345.4K |
| CITADEL ADVISORS LLC | Increased | 182.8K | 524.4K | +341.7K |
| Aware Super Pty Ltd as trustee of Aware Super | Increased | 128.9K | 431.8K | +302.8K |
| SCHRODER INVESTMENT MANAGEMENT GROUP | Increased | 1.6M | 1.9M | +296.8K |
| HARRIS ASSOCIATES L P | Reduced | 8.6M | 8.3M | -277.8K |
| MILLENNIUM MANAGEMENT LLC | Increased | 333.8K | 610.4K | +276.6K |
| NATIXIS | New | 0 | 268.5K | +268.5K |
| DEUTSCHE BANK AG\ | Reduced | 2.1M | 1.8M | -233.6K |
| Baird Financial Group, Inc. | Increased | 13.7K | 224.5K | +210.8K |
| Invesco Ltd. | Reduced | 3.8M | 3.6M | -209.3K |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | Increased | 1.1M | 1.3M | +204.8K |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | Increased | 4.3M | 4.5M | +198.6K |
| GOLDMAN SACHS GROUP INC | Increased | 2.0M | 2.2M | +193.8K |
| BANK OF AMERICA CORP /DE/ | Increased | 2.0M | 2.2M | +187.0K |
| Distillate Capital Partners LLC | Reduced | 182.1K | 5 | -182.1K |
| AMERICAN CENTURY COMPANIES INC | Reduced | 1.9M | 1.7M | -182.0K |
| FIRST TRUST ADVISORS LP | Reduced | 1.2M | 1.1M | -163.9K |
| KBC Group NV | Increased | 307.3K | 465.9K | +158.5K |
| Mitsubishi UFJ Trust & Banking Corp | Increased | 370.0K | 528.1K | +158.2K |
| TEACHER RETIREMENT SYSTEM OF TEXAS | Increased | 217.1K | 373.3K | +156.2K |
| SG Americas Securities, LLC | Increased | 155.8K | 307.3K | +151.4K |
| BANK OF MONTREAL /CAN/ | Increased | 265.8K | 415.0K | +149.2K |
| AustralianSuper Pty Ltd | New | 0 | 137.1K | +137.1K |
| PBU - The Pension Fund of Early Childhood & Youth Educators | Sold Out | 135.0K | 0 | -135.0K |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Reduced | 12.4M | 12.2M | -132.1K |
| Qsemble Capital Management, LP | Sold Out | 132.0K | 0 | -132.0K |
| Gotham Asset Management, LLC | Reduced | 442.6K | 317.3K | -125.3K |
| PINEBRIDGE INVESTMENTS LLC | New | 0 | 115.6K | +115.6K |
| BI Asset Management Fondsmaeglerselskab A/S | Increased | 33.7K | 149.2K | +115.5K |
| Schonfeld Strategic Advisors LLC | Increased | 42.9K | 157.7K | +114.8K |
| Swedbank AB | Increased | 156.9K | 271.0K | +114.1K |
| Boston Partners | Increased | 4.5M | 4.6M | +114.0K |
| Boston Trust Walden Corp | Reduced | 713.6K | 602.9K | -110.7K |
| WINTON GROUP Ltd | Increased | 267.9K | 376.7K | +108.8K |
| Mitsubishi UFJ Asset Management Co., Ltd. | Reduced | 608.6K | 500.1K | -108.5K |
13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.