Who owns MAS
811 institutions reported holding MAS for 2026Q1, together 97% of the company, fewer than the 822 a quarter earlier.
811
Institutions reporting a position · as of 2026Q1 · down from 822 the quarter before
- Shares held by institutions
- 198.5M
Shares held by institutions · 97% of the company · long US equity positions only, as reported on Form 13F
- Reported value
- $12.0B
Reported value · at 2026-03-31 prices, not today's
- Top 5 holders
- 33%
Top 5 holders · of the whole company, between five filers
Details›
- Reporting quarter2026-03-31
- 2026Q1
- Quarters on record
- 52
- New positions
- 87
- Positions exited
- 102
- Added to
- 260
- Reduced
- 285
- Top 10 holdersof the company
- 45%
| Quarter | Filers | Shares | Reported value |
|---|---|---|---|
| 2026Q1 | 811 | 198.5M | $12.0B |
| 2025Q4 | 822 | 206.7M | $13.1B |
| 2025Q3 | 854 | 199.0M | $14.0B |
| 2025Q2 | 825 | 199.1M | $12.8B |
| 2025Q1 | 845 | 196.6M | $13.7B |
| 2024Q4 | 832 | 197.9M | $14.4B |
| 2024Q3 | 824 | 198.0M | $16.6B |
| 2024Q2 | 782 | 208.8M | $13.9B |
| 2024Q1 | 828 | 206.2M | $16.2B |
| 2023Q4 | 776 | 206.6M | $13.8B |
| 2023Q3 | 711 | 207.4M | $11.1B |
| 2023Q2 | 702 | 207.9M | $11.9B |
| 2023Q1 | 673 | 208.0M | $10.7B |
| 2022Q4 | 686 | 212.6M | $9.93B |
| 2022Q3 | 674 | 208.3M | $9.74B |
| 2022Q2 | 677 | 206.4M | $10.4B |
| Holder | Shares | % of company | Value |
|---|---|---|---|
| VANGUARD GROUP INC | 27.4M | 13% | $1.65B |
| BlackRock Inc. | 15.6M | 7.7% | $943M |
| STATE STREET CORP | 10.0M | 4.9% | $601M |
| HARRIS ASSOCIATES L P | 8.6M | 4.2% | $519M |
| JPMORGAN CHASE & CO | 6.6M | 3.3% | $389M |
| VAN ECK ASSOCIATES CORP | 5.8M | 2.9% | $353M |
| GEODE CAPITAL MANAGEMENT LLC | 5.4M | 2.6% | $322M |
| NORDEA INVESTMENT MANAGEMENT AB | 4.5M | 2.2% | $265M |
| Robeco Investment Management, Inc. | 4.5M | 2.2% | $271M |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 4.3M | 2.1% | $265M |
SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold.
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