| 0.04% |
| 4 | STATE STREET CORP | 10.7M | $872.8M | +7.7% | 5.439% | 0.01% |
| 5 | HARRIS ASSOCIATES L P | 8.3M | $676.9M | -3.2% | 4.219% | 0.90% |
| 6 | JPMORGAN CHASE & CO | 5.5M | $439.8M | -17.7% | 2.771% | 0.02% |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | 5.4M | $433.6M | -0.1% | 2.713% | 0.02% |
| 8 | VAN ECK ASSOCIATES CORP | 4.7M | $382.9M | -19.5% | 2.386% | 0.23% |
| 9 | Boston Partners | 4.6M | $374.7M | +2.5% | 2.336% | 0.33% |
| 10 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 4.5M | $372.8M | +4.6% | 2.293% | 0.12% |
| 11 | WELLINGTON MANAGEMENT GROUP LLP | 3.8M | $308.4M | -10.5% | 1.922% | 0.05% |
| 12 | Invesco Ltd. | 3.6M | $291.2M | -5.5% | 1.815% | 0.02% |
| 13 | NORTHERN TRUST CORP | 3.2M | $261.4M | -2.1% | 1.629% | 0.03% |
| 14 | NORDEA INVESTMENT MANAGEMENT AB | 3.1M | $249.9M | -31.4% | 1.565% | 0.20% |
| 15 | MORGAN STANLEY | 2.7M | $221.4M | -1.4% | 1.380% | 0.01% |
| 16 | Nuveen, LLC | 2.4M | $195.9M | -0.0% | 1.221% | 0.05% |
| 17 | AQR CAPITAL MANAGEMENT LLC | 2.3M | $187.7M | +131.8% | 1.181% | 0.07% |
| 18 | BANK OF AMERICA CORP /DE/ | 2.2M | $178.4M | +9.3% | 1.112% | 0.01% |
| 19 | NORGES BANK | 2.2M | $177.5M | β | 1.107% | 0.02% |
| 20 | GOLDMAN SACHS GROUP INC | 2.2M | $176.1M | +9.8% | 1.098% | 0.02% |
| 21 | Holocene Advisors, LP | 2.2M | $175.5M | -17.6% | 1.094% | 0.40% |
| 22 | EARNEST PARTNERS LLC | 2.1M | $174.9M | -1.4% | 1.090% | 0.63% |
| 23 | Quantinno Capital Management LP | 2.1M | $170.8M | +36.0% | 1.064% | 0.20% |
| 24 | Impax Asset Management Group plc | 2.0M | $165.3M | -14.5% | 1.030% | 1.08% |
| 25 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 2.0M | $160.4M | -0.2% | 1.000% | 0.02% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in MAS β a direct measure of their conviction.
| 93.14% |
| +0.47 pp |
| $12.65B |
| 17% |
| Q4 2024 | 831 | +1.7% | 92.67% | +1.84 pp | $15.31B | +0.9% |
| Q3 2024 | 817 | β | 90.83% | β | $15.18B | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
135 institutions opened new positions in MAS during Q2 2026, while 59 fully exited. 694 added to existing positions and 62 trimmed.
MAS institutional ownership rose by 3.10 percentage points quarter-over-quarter, with a net change of +87 holders.
The top 10 institutions account for 43.7% of all reported 13F value in MAS, and the top 25 account for 63.3%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.