Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
461 institutional managers reported holding M for the quarter ended Mar 31, 2026. Together they hold about 91% of shares outstanding; the top 10 hold 50%. 58 opened new positions; 88 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BlackRock | 28.26M | 10.29% | $511.6M | added +4.2% | ≤2013 |
| Vanguard Group | 27.23M | 9.92% | $492.8M | added +5.1% | ≤2013 |
| Dimensional Fund Advisors | 16.48M | 6.00% | $298.2M | added +2% | ≤2013 |
| American Century Companies INC | 12.14M | 4.42% | $219.8M | added +9.1% | 2019 Q4 |
| RWC Asset Management LLP | 11.27M | 4.11% | $204.1M | added +2.8% | 2025 Q1 |
| State Street | 9.22M | 3.36% | $167.0M | trimmed -0.5% | ≤2013 |
| Charles Schwab Investment Management | 9.21M | 3.35% | $166.6M | added +184.4% | ≤2013 |
| Geode Capital | 7.63M | 2.78% | $138.1M | added +53.2% | ≤2013 |
| Goldman Sachs | 7.62M | 2.78% | $137.9M | added +11.7% | ≤2013 |
| Newport Trust Company, LLC | 6.93M | 2.52% | $125.5M | trimmed -0.8% | 2021 Q1 |
| LSV Asset Management | 6.57M | 2.39% | $119.0M | added +9.5% | ≤2013 |
| Arrowstreet Capital | 5.76M | 2.10% | $104.3M | added +81.9% | 2017 Q4 |
| Allianz Asset Management GmbH | 5.53M | 2.01% | $100.0M | added +119.2% | ≤2013 |
| AQR Capital | 4.97M | 1.81% | $89.9M | added +24.2% | ≤2013 |
| UBS | 4.19M | 1.53% | $75.9M | added +18.9% | ≤2013 |
| Invesco | 3.89M | 1.42% | $70.4M | added +5% | ≤2013 |
| Morgan Stanley | 3.51M | 1.28% | $63.5M | trimmed -7.7% | ≤2013 |
| Prudential Financial INC | 3.21M | 1.17% | $58.0M | added +30.1% | ≤2013 |
| SG Americas Securities, LLC | 3.06M | 1.11% | $55.4M | added +1344.4% | 2023 Q4 |
| Berkshire Hathaway (focused) | 3.04M | 1.11% | $55.0M | opened | 2026 Q1 |
| BNY Mellon | 2.91M | 1.06% | $52.7M | added +10.9% | ≤2013 |
| Northern Trust | 2.56M | 0.93% | $46.3M | added +1.8% | ≤2013 |
| Franklin Resources | 2.43M | 0.88% | $43.9M | added +198.5% | ≤2013 |
| Hennessy Advisors INC | 2.12M | 0.77% | $38.4M | trimmed -9.5% | 2025 Q3 |
| Wedge Capital Management L L P/NC | 1.82M | 0.66% | $32.9M | added +30.5% | 2025 Q4 |
| Barclays PLC | 1.80M | 0.66% | $32.6M | added +435.7% | ≤2013 |
| Nomura Asset Management International INC. | 1.74M | 0.64% | $31.6M | added +217% | 2025 Q1 |
| Macquarie Group LTD | 1.67M | 0.61% | $30.2M | added +234.3% | ≤2013 |
| Citadel Advisors | 1.62M | 0.59% | $29.4M | trimmed -66.1% | ≤2013 |
| Barington Companies Management, LLC (focused) | 1.45M | 0.53% | $26.2M | added +11.5% | 2023 Q3 |
| Russell Investments Group, LTD. | 1.41M | 0.52% | $25.6M | added +1276.7% | 2016 Q4 |
| Royce & Associates | 1.39M | 0.51% | $25.2M | added +24.1% | 2022 Q2 |
| Gotham Asset Management | 1.37M | 0.50% | $24.8M | added +32% | 2025 Q1 |
| Healthcare OF Ontario Pension Plan Trust Fund | 1.29M | 0.47% | $23.3M | opened | 2026 Q1 |
| Douglas Lane & Associates, LLC | 1.24M | 0.45% | $22.5M | trimmed -1.7% | 2016 Q1 |
| Squarepoint Ops LLC | 1.21M | 0.44% | $21.9M | opened | 2024 Q2 |
| Ameriprise Financial INC | 1.20M | 0.44% | $21.7M | added +27.8% | ≤2013 |
| Millennium Management | 1.06M | 0.39% | $19.2M | trimmed -31.6% | ≤2013 |
| Invenomic Capital Management LP | 1.05M | 0.38% | $19.0M | added +60.8% | 2023 Q4 |
| Jane Street | 989.5k | 0.36% | $17.9M | opened | 2014 Q1 |
| Nuveen | 978.5k | 0.36% | $17.7M | trimmed -12.2% | ≤2013 |
| Bank OF America CORP /DE/ | 978.2k | 0.36% | $17.7M | added +23.4% | ≤2013 |
| Trexquant Investment LP | 962.4k | 0.35% | $17.4M | trimmed -4.3% | 2025 Q1 |
| Quantinno Capital Management LP | 878.6k | 0.32% | $15.9M | trimmed -39.2% | 2023 Q4 |
| Qube Research & Technologies LTD | 805.6k | 0.29% | $14.6M | trimmed -10.2% | 2025 Q4 |
| Algert Global LLC | 706.7k | 0.26% | $12.8M | added +59% | 2025 Q4 |
| Rhumbline Advisers | 696.1k | 0.25% | $12.6M | trimmed -1.4% | ≤2013 |
| J. Goldman & CO LP | 674.9k | 0.25% | $12.2M | opened | 2026 Q1 |
| First Trust Advisors LP | 660.5k | 0.24% | $12.0M | trimmed -9% | ≤2013 |
| SEI Investments CO | 639.5k | 0.23% | $11.6M | trimmed -7.7% | 2021 Q3 |
Largest 50 of 461 shown; the full ranked, searchable register is at boothcheck.com/holders/M. Related filers are grouped using the filings' own included-manager declarations. Historically, several managers opening new positions in the same quarter said almost nothing about the quarter that followed (59,118 cases since 2013). A filed record, not a forecast. Nothing here is investment advice.