Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
1,426 institutional managers reported holding HWM for the quarter ended Mar 31, 2026. Together they hold about 84% of shares outstanding; the top 10 hold 48%. 196 opened new positions; 112 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Vanguard Group | 48.68M | 12.08% | $11.21B | trimmed -0.6% | 2020 Q1 |
| BlackRock | 47.96M | 11.90% | $11.04B | added +1.5% | 2020 Q2 |
| State Street | 18.32M | 4.55% | $4.22B | unchanged | 2020 Q2 |
| FMR (Fidelity) | 15.78M | 3.92% | $3.63B | added +1.8% | 2020 Q2 |
| T. Rowe Price | 15.43M | 3.83% | $3.55B | trimmed -7.2% | 2020 Q2 |
| Geode Capital | 11.58M | 2.87% | $2.67B | added +2.4% | 2020 Q2 |
| Bank OF America CORP /DE/ | 10.73M | 2.66% | $2.47B | added +1.7% | 2020 Q2 |
| Janus Henderson | 7.76M | 1.92% | $1.79B | trimmed -2.4% | 2020 Q2 |
| MFS Investment Management | 7.62M | 1.89% | $1.76B | trimmed -22.3% | 2020 Q4 |
| Invesco | 7.43M | 1.84% | $1.71B | added +1.5% | 2020 Q2 |
| Morgan Stanley | 5.93M | 1.47% | $1.37B | added +7.2% | 2020 Q2 |
| Kensico Capital Management CORP (focused) | 5.08M | 1.26% | $1.17B | trimmed -3.4% | 2020 Q2 |
| Nuveen | 5.08M | 1.26% | $1.17B | added +29.9% | 2020 Q2 |
| UBS | 4.70M | 1.17% | $1.08B | added +9% | 2020 Q1 |
| BNY Mellon | 4.01M | 0.99% | $922.1M | trimmed -15% | 2020 Q2 |
| Northern Trust | 3.72M | 0.92% | $855.5M | unchanged | 2020 Q1 |
| American Century Companies INC | 3.60M | 0.89% | $828.6M | trimmed -8.9% | 2020 Q4 |
| Goldman Sachs | 3.32M | 0.82% | $763.3M | added +20.4% | 2020 Q2 |
| Capital Research Global Investors | 2.60M | 0.65% | $598.7M | added +81.8% | 2024 Q1 |
| Ameriprise Financial INC | 2.57M | 0.64% | $591.8M | trimmed -12.3% | 2020 Q1 |
| Charles Schwab Investment Management | 2.47M | 0.61% | $569.3M | added +2.3% | 2020 Q2 |
| Westfield Capital Management CO LP | 2.29M | 0.57% | $527.1M | added +3.2% | 2025 Q1 |
| Schroder Investment Management Group | 2.26M | 0.56% | $519.7M | trimmed -22.2% | 2020 Q2 |
| Nomura Asset Management International INC. | 2.26M | 0.56% | $519.5M | trimmed -14.2% | 2023 Q4 |
| Legal & General Group PLC | 2.23M | 0.55% | $513.7M | trimmed -7.7% | 2020 Q2 |
| Amundi | 2.19M | 0.54% | $503.1M | added +73.1% | 2020 Q2 |
| Bessemer Group INC | 2.17M | 0.54% | $498.5M | added +0.7% | 2020 Q2 |
| TD Asset Management INC | 2.14M | 0.53% | $492.3M | trimmed -11.9% | 2020 Q1 |
| Mirae Asset Global Etfs Holdings LTD. | 1.90M | 0.47% | $436.7M | trimmed -22.8% | 2020 Q2 |
| Federated Hermes, INC. | 1.88M | 0.47% | $432.7M | added +20.4% | 2020 Q1 |
| Cibc Bancorp USA INC. | 1.84M | 0.46% | $424.4M | trimmed -21.4% | 2020 Q2 |
| Deutsche Bank AG\ | 1.57M | 0.39% | $360.6M | trimmed -4.9% | 2020 Q2 |
| Franklin Resources | 1.50M | 0.37% | $345.5M | added +4.7% | 2020 Q3 |
| Winslow Capital Management, LLC | 1.49M | 0.37% | $342.2M | trimmed -5.3% | 2024 Q4 |
| Millennium Management | 1.39M | 0.34% | $319.0M | added +46.6% | 2020 Q1 |
| Dimensional Fund Advisors | 1.31M | 0.33% | $301.8M | unchanged | 2020 Q2 |
| Voya Investment Management LLC | 1.30M | 0.32% | $299.4M | trimmed -1.3% | 2020 Q2 |
| Jane Street | 1.25M | 0.31% | $288.4M | added +2875.9% | 2020 Q2 |
| Boston Partners | 1.25M | 0.31% | $287.9M | trimmed -14.3% | 2020 Q2 |
| Royal Bank OF Canada | 1.20M | 0.30% | $275.5M | trimmed -14.2% | 2020 Q2 |
| Mitsubishi UFJ Asset Management CO., LTD. | 1.13M | 0.28% | $260.2M | added +7.9% | 2020 Q1 |
| Swiss National Bank | 1.12M | 0.28% | $258.1M | added +6.8% | 2020 Q2 |
| AustralianSuper Pty LTD | 1.10M | 0.27% | $253.9M | added +21.7% | 2023 Q2 |
| National Pension Service | 1.07M | 0.27% | $246.7M | trimmed -9.2% | 2021 Q3 |
| Wellington Management | 1.05M | 0.26% | $241.7M | trimmed -9.4% | 2020 Q2 |
| Citadel Advisors | 1.02M | 0.25% | $234.3M | added +578.2% | 2020 Q2 |
| DZ Bank AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 1.01M | 0.25% | $232.5M | added +42.6% | 2024 Q3 |
| AQR Capital | 942.5k | 0.23% | $217.0M | trimmed -16.7% | 2020 Q2 |
| CalPERS | 937.5k | 0.23% | $215.8M | trimmed -3.5% | 2020 Q1 |
| Nordea Investment Management AB | 932.9k | 0.23% | $214.8M | trimmed -10% | 2020 Q2 |
Largest 50 of 1,426 shown; the full ranked, searchable register is at boothcheck.com/holders/HWM. 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.