Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
504 institutional managers reported holding AHR for the quarter ended Mar 31, 2026. Reported positions total over 95% of shares outstanding; the top 10 hold 56%. 60 opened new positions; 82 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BlackRock | 28.74M | 15.29% | $1.36B | added +42.7% | 2024 Q1 |
| Vanguard Group | 25.91M | 13.79% | $1.22B | added +3.7% | 2024 Q1 |
| State Street | 9.55M | 5.08% | $450.0M | added +34.7% | 2024 Q1 |
| Wellington Management | 8.28M | 4.41% | $390.6M | added +4.6% | 2024 Q1 |
| Principal Financial Group INC | 7.42M | 3.95% | $350.0M | added +3.2% | 2024 Q1 |
| Invesco | 6.78M | 3.61% | $319.6M | added +22.5% | 2024 Q2 |
| Geode Capital | 6.19M | 3.29% | $291.9M | added +15.4% | 2024 Q1 |
| FMR (Fidelity) | 5.06M | 2.69% | $238.8M | trimmed -3.9% | 2024 Q3 |
| Prudential Financial INC | 3.52M | 1.87% | $165.9M | added +2% | 2024 Q1 |
| WCM Investment Management | 3.43M | 1.82% | $161.5M | unchanged | 2025 Q4 |
| Federated Hermes, INC. | 3.31M | 1.76% | $155.9M | added +29.3% | 2024 Q3 |
| Bank OF America CORP /DE/ | 3.24M | 1.72% | $152.6M | added +28.1% | 2024 Q1 |
| Charles Schwab Investment Management | 2.98M | 1.59% | $140.6M | added +1.8% | 2024 Q1 |
| AllianceBernstein | 2.80M | 1.49% | $132.0M | trimmed -20.4% | 2024 Q2 |
| Centersquare Investment Management LLC | 2.78M | 1.48% | $131.1M | trimmed -8% | 2024 Q1 |
| Dimensional Fund Advisors | 2.68M | 1.43% | $126.5M | added +33.1% | 2025 Q1 |
| Northern Trust | 2.27M | 1.21% | $107.1M | added +37.7% | 2024 Q1 |
| CPP Investment Board | 2.25M | 1.20% | $106.2M | opened | 2026 Q1 |
| American Century Companies INC | 2.05M | 1.09% | $96.5M | trimmed -23.7% | 2024 Q1 |
| TD Asset Management INC | 2.00M | 1.06% | $94.4M | opened | 2026 Q1 |
| Morgan Stanley | 1.75M | 0.93% | $82.5M | trimmed -3.3% | 2024 Q1 |
| Goldman Sachs | 1.60M | 0.85% | $75.5M | added +78.6% | 2024 Q2 |
| BNY Mellon | 1.58M | 0.84% | $74.5M | added +48% | 2024 Q2 |
| Deutsche Bank AG\ | 1.56M | 0.83% | $73.7M | trimmed -33.8% | 2024 Q1 |
| Capital Group (American Funds) | 1.44M | 0.76% | $67.7M | opened | 2026 Q1 |
| T. Rowe Price | 1.39M | 0.74% | $65.4M | added +38.4% | 2024 Q2 |
| Alyeska Investment Group | 1.28M | 0.68% | $60.3M | added +39.1% | 2025 Q4 |
| Two Sigma | 1.28M | 0.68% | $60.1M | added +187.5% | 2024 Q1 |
| Nuveen | 1.27M | 0.67% | $59.6M | trimmed -33.4% | 2024 Q1 |
| Cbre Investment Management Listed Real Assets LLC | 1.26M | 0.67% | $59.3M | trimmed -16.4% | 2024 Q4 |
| Bahl & Gaynor INC | 1.21M | 0.64% | $57.0M | added +768.5% | 2025 Q4 |
| Hudson Bay Capital | 1.20M | 0.64% | $56.4M | trimmed -22.4% | 2024 Q1 |
| Balyasny Asset Management | 1.17M | 0.62% | $55.1M | trimmed -45.7% | 2024 Q4 |
| Aberdeen Group plc | 1.15M | 0.61% | $54.2M | trimmed -14.1% | 2024 Q1 |
| Duff & Phelps Investment Management CO | 1.08M | 0.58% | $51.1M | added +230% | 2025 Q2 |
| Legal & General Group PLC | 1.03M | 0.55% | $48.7M | added +0.9% | 2024 Q1 |
| GRS Advisors, LLC (focused) | 1.02M | 0.54% | $48.1M | trimmed -12.3% | 2024 Q3 |
| Land & Buildings Investment Management, LLC (focused) | 1.01M | 0.54% | $47.7M | trimmed -4% | 2024 Q1 |
| Russell Investments Group, LTD. | 1.01M | 0.54% | $47.5M | trimmed -19% | 2024 Q1 |
| Citadel Advisors | 877.2k | 0.47% | $41.4M | added +340.4% | 2024 Q1 |
| Commonwealth Equity Services, LLC | 789.1k | 0.42% | $37.2M | trimmed -5.3% | 2024 Q1 |
| Eurizon Capital SGR S.p.A. | 720.4k | 0.38% | $34.0M | added +745.7% | 2025 Q4 |
| LPL Financial LLC | 682.0k | 0.36% | $32.2M | trimmed -5.8% | 2024 Q1 |
| UBS | 676.8k | 0.36% | $31.9M | added +151.9% | 2024 Q1 |
| Freestone Grove Partners LP | 666.0k | 0.35% | $31.4M | trimmed -4.2% | 2025 Q4 |
| Algert Global LLC | 614.7k | 0.33% | $29.0M | unchanged | 2024 Q4 |
| Voloridge Investment Management | 613.4k | 0.33% | $28.9M | trimmed -43.4% | 2024 Q3 |
| Nomura Asset Management International INC. | 608.9k | 0.32% | $28.7M | trimmed -22.8% | 2025 Q4 |
| Rhumbline Advisers | 546.8k | 0.29% | $25.8M | added +138.9% | 2024 Q2 |
| Hsbc Holdings PLC | 501.3k | 0.27% | $23.6M | added +45% | 2024 Q3 |
Largest 50 of 504 shown; the full ranked, searchable register is at boothcheck.com/holders/AHR. 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.