Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
247 institutional managers reported holding AAMI for the quarter ended Mar 31, 2026. Reported positions total over 95% of shares outstanding; the top 10 hold 62%. 31 opened new positions; 37 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Paulson & CO. INC. (focused) | 7.74M | 21.66% | $420.8M | unchanged | 2019 Q3 |
| BlackRock | 4.57M | 12.79% | $248.6M | trimmed -1.7% | 2019 Q3 |
| Vanguard Group | 2.26M | 6.33% | $123.0M | trimmed -3.1% | 2019 Q3 |
| Jennison Associates LLC | 2.02M | 5.66% | $109.9M | added +5.9% | 2019 Q3 |
| Empyrean Capital Partners, LP | 1.31M | 3.66% | $71.1M | trimmed -6.9% | 2022 Q1 |
| State Street | 1.21M | 3.38% | $65.7M | unchanged | 2019 Q3 |
| Dimensional Fund Advisors | 904.5k | 2.53% | $49.2M | trimmed -0.5% | 2019 Q3 |
| Impax Asset Management Group plc | 823.3k | 2.30% | $44.7M | trimmed -2.6% | 2021 Q2 |
| Geode Capital | 747.8k | 2.09% | $40.6M | added +9.1% | 2019 Q3 |
| Woodline Partners LP | 701.7k | 1.96% | $38.1M | added +25.5% | 2025 Q3 |
| Soros Fund Management | 648.8k | 1.81% | $35.3M | trimmed -12% | 2020 Q1 |
| SG Americas Securities, LLC | 603.7k | 1.69% | $32.8M | added +67.9% | 2024 Q3 |
| Nuveen | 588.5k | 1.65% | $32.0M | trimmed -9.8% | 2019 Q3 |
| Federated Hermes, INC. | 568.3k | 1.59% | $30.9M | added +1.8% | 2024 Q3 |
| Morgan Stanley | 537.6k | 1.50% | $29.2M | added +1% | 2019 Q3 |
| Two Sigma | 478.8k | 1.34% | $26.0M | added +68.9% | 2023 Q1 |
| Charles Schwab Investment Management | 453.3k | 1.27% | $24.6M | trimmed -5.6% | 2019 Q3 |
| Allspring Global Investments Holdings, LLC | 419.2k | 1.17% | $22.8M | added +13.9% | 2025 Q2 |
| Invesco | 412.7k | 1.15% | $22.4M | trimmed -1.9% | 2019 Q3 |
| Gw&k Investment Management, LLC | 376.0k | 1.05% | $20.4M | trimmed -9% | 2025 Q3 |
| Systematic Alpha Investments, LLC | 370.1k | 1.03% | $20.1M | unchanged | 2020 Q4 |
| Azora Capital LP (focused) | 329.3k | 0.92% | $17.9M | opened | 2026 Q1 |
| Jacobs Levy Equity Management, INC | 318.1k | 0.89% | $17.3M | trimmed -24.1% | 2025 Q3 |
| UBS | 284.2k | 0.80% | $15.4M | added +75.8% | 2019 Q3 |
| Boston Trust Walden CORP | 281.6k | 0.79% | $15.3M | opened | 2026 Q1 |
| Northern Trust | 279.1k | 0.78% | $15.2M | unchanged | 2019 Q3 |
| William Blair Investment Management, LLC | 263.7k | 0.74% | $14.3M | added +3.4% | 2022 Q2 |
| Arrowstreet Capital | 241.2k | 0.68% | $13.1M | trimmed -53.1% | 2019 Q3 |
| North Reef Capital Management LP | 220.2k | 0.62% | $12.0M | trimmed -50.4% | 2021 Q4 |
| Goldman Sachs | 219.3k | 0.61% | $11.9M | added +4.9% | 2019 Q3 |
| FMR (Fidelity) | 213.0k | 0.60% | $11.6M | added +19.1% | 2019 Q3 |
| Principal Financial Group INC | 204.5k | 0.57% | $11.1M | added +13.9% | 2020 Q2 |
| BNY Mellon | 196.2k | 0.55% | $10.7M | trimmed -3% | 2019 Q3 |
| Janus Henderson | 195.3k | 0.55% | $10.6M | added +1471.1% | 2023 Q1 |
| First Trust Advisors LP | 194.2k | 0.54% | $10.6M | added +14.7% | 2025 Q3 |
| Allianz Asset Management GmbH | 181.4k | 0.51% | $9.9M | added +69.5% | 2024 Q4 |
| Qube Research & Technologies LTD | 174.9k | 0.49% | $9.5M | added +1.9% | 2024 Q4 |
| AQR Capital | 159.7k | 0.45% | $8.7M | added +72.7% | 2019 Q3 |
| Public Sector Pension Investment Board | 147.4k | 0.41% | $8.0M | added +19.8% | 2020 Q2 |
| Bank OF America CORP /DE/ | 137.2k | 0.38% | $7.5M | added +36.8% | 2019 Q3 |
| Jupiter Asset Management LTD | 131.7k | 0.37% | $7.2M | added +19.9% | 2025 Q2 |
| Deutsche Bank AG\ | 119.7k | 0.34% | $6.5M | added +420.3% | 2019 Q3 |
| Man Group | 118.1k | 0.33% | $6.4M | trimmed -14.7% | 2019 Q3 |
| Brightlight Capital Management LP (focused) | 100.2k | 0.28% | $5.4M | trimmed -7.1% | 2025 Q2 |
| Algert Global LLC | 96.7k | 0.27% | $5.3M | trimmed -15.9% | 2022 Q3 |
| Karl Kapital LLC (focused) | 90.0k | 0.25% | $4.9M | opened | 2026 Q1 |
| Cannell & Spears LLC | 84.5k | 0.24% | $4.6M | added +42.8% | 2025 Q4 |
| LSV Asset Management | 82.3k | 0.23% | $4.5M | unchanged | 2025 Q1 |
| Ameriprise Financial INC | 81.1k | 0.23% | $4.4M | added +2.1% | 2019 Q3 |
| Citadel Advisors | 81.0k | 0.23% | $4.4M | trimmed -20.9% | 2019 Q3 |
Largest 50 of 247 shown; the full ranked, searchable register is at boothcheck.com/holders/AAMI. 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.