Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
252 institutional managers reported holding AMR for the quarter ended Mar 31, 2026. Together they hold about 88% of shares outstanding; the top 10 hold 60%. 37 opened new positions; 54 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BlackRock | 1.87M | 14.63% | $384.9M | trimmed -1.2% | 2021 Q1 |
| Vanguard Group | 1.19M | 9.33% | $245.3M | added +2.4% | 2021 Q1 |
| State Street | 913.8k | 7.14% | $187.8M | added +10.6% | 2021 Q2 |
| Dimensional Fund Advisors | 721.9k | 5.64% | $148.4M | added +5.6% | 2021 Q1 |
| Continental General Insurance CO (focused) | 644.0k | 5.03% | $132.4M | unchanged | 2022 Q4 |
| Renaissance Technologies | 592.8k | 4.63% | $121.8M | trimmed -3.1% | 2021 Q1 |
| Dalal Street, LLC (focused) | 579.7k | 4.53% | $119.1M | added +6.8% | 2023 Q2 |
| Gendell Jeffrey L | 544.1k | 4.25% | $111.8M | added +10.1% | 2021 Q1 |
| American Century Companies INC | 334.9k | 2.62% | $68.8M | trimmed -15.6% | 2021 Q3 |
| Systrade AG (focused) | 280.0k | 2.19% | $57.5M | unchanged | 2025 Q4 |
| Geode Capital | 271.1k | 2.12% | $55.7M | added +1.6% | 2021 Q1 |
| Crocodile Capital Partners GmbH (focused) | 244.1k | 1.91% | $50.2M | added +19% | 2025 Q4 |
| Goehring & Rozencwajg Associates, LLC (focused) | 242.0k | 1.89% | $49.7M | added +206.8% | 2022 Q4 |
| Morgan Stanley | 161.3k | 1.26% | $33.2M | added +10.3% | 2021 Q1 |
| Charles Schwab Investment Management | 157.8k | 1.23% | $32.4M | added +0.8% | 2021 Q3 |
| D. E. Shaw | 143.2k | 1.12% | $29.4M | trimmed -8.3% | 2021 Q3 |
| Marshall Wace | 113.1k | 0.88% | $23.2M | added +121.7% | 2025 Q2 |
| Northern Trust | 107.4k | 0.84% | $22.1M | added +3.1% | 2021 Q1 |
| T. Rowe Price | 99.0k | 0.77% | $20.3M | trimmed -11.3% | 2021 Q3 |
| UBS | 83.6k | 0.65% | $17.2M | added +77.3% | 2021 Q1 |
| Hosking Partners LLP | 78.8k | 0.62% | $16.2M | trimmed -0.7% | 2024 Q2 |
| Allianz Asset Management GmbH | 71.6k | 0.56% | $14.7M | added +220% | 2024 Q1 |
| Alta Fundamental Advisers LLC (focused) | 69.2k | 0.54% | $14.2M | unchanged | 2021 Q1 |
| BNY Mellon | 68.0k | 0.53% | $14.0M | trimmed -0.9% | 2021 Q1 |
| Goldman Sachs | 63.8k | 0.50% | $13.1M | added +34.5% | 2021 Q1 |
| PDT Partners | 60.8k | 0.47% | $12.5M | trimmed -5.7% | 2024 Q4 |
| Bank OF America CORP /DE/ | 56.8k | 0.44% | $11.7M | trimmed -7% | 2021 Q1 |
| Connor, Clark & Lunn Investment Management LTD. | 54.5k | 0.43% | $11.2M | added +18.2% | 2023 Q4 |
| Principal Financial Group INC | 52.6k | 0.41% | $10.8M | added +2% | 2021 Q4 |
| Contrarius Group Holdings LTD (focused) | 48.7k | 0.38% | $10.0M | trimmed -16.8% | 2025 Q3 |
| Invesco | 42.7k | 0.33% | $8.8M | added +2.9% | 2021 Q1 |
| NWF Advisory Services INC. | 39.5k | 0.31% | $8.1M | added +10.6% | 2023 Q4 |
| Public Sector Pension Investment Board | 38.7k | 0.30% | $7.9M | added +3.5% | 2023 Q4 |
| SEI Investments CO | 38.2k | 0.30% | $7.9M | added +86% | 2022 Q1 |
| Towle & CO | 38.1k | 0.30% | $7.8M | trimmed -37.1% | 2023 Q1 |
| FMR (Fidelity) | 37.9k | 0.30% | $7.8M | added +1250% | 2022 Q1 |
| Empowered Funds, LLC | 37.3k | 0.29% | $7.7M | added +79.4% | 2022 Q3 |
| Steadfast Capital Management LP | 37.1k | 0.29% | $7.6M | trimmed -65.3% | 2025 Q4 |
| Old West Investment Management, LLC | 36.5k | 0.28% | $7.5M | added +26.2% | 2024 Q1 |
| Exchange Traded Concepts, LLC | 35.0k | 0.27% | $7.2M | added +138.5% | 2023 Q3 |
| Susquehanna Portfolio Strategies, LLC | 33.9k | 0.27% | $7.0M | trimmed -6.5% | 2025 Q1 |
| Rhumbline Advisers | 32.1k | 0.25% | $6.6M | added +1.6% | 2022 Q2 |
| Mraz, Amerine & Associates, INC. | 26.5k | 0.21% | $5.4M | unchanged | 2021 Q1 |
| Citadel Advisors | 26.4k | 0.21% | $5.4M | added +154.7% | 2021 Q1 |
| Nuveen | 25.8k | 0.20% | $5.3M | added +0.8% | 2022 Q2 |
| Deutsche Bank AG\ | 23.1k | 0.18% | $4.8M | added +111% | 2021 Q1 |
| LPL Financial LLC | 22.9k | 0.18% | $4.7M | trimmed -31.9% | 2022 Q1 |
| Ossiam | 22.8k | 0.18% | $4.7M | unchanged | 2025 Q3 |
| Osaic Holdings, INC. | 22.3k | 0.17% | $4.6M | added +20.1% | 2021 Q1 |
| Millennium Management | 21.9k | 0.17% | $4.5M | trimmed -78.6% | 2021 Q1 |
Largest 50 of 252 shown; the full ranked, searchable register is at boothcheck.com/holders/AMR. 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.