Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
493 institutional managers reported holding AN for the quarter ended Mar 31, 2026. Together they hold about 68% of shares outstanding; the top 10 hold 37%. 60 opened new positions; 85 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Vanguard Group | 3.08M | 8.79% | $602.4M | trimmed -3.1% | ≤2013 |
| BlackRock | 2.44M | 6.96% | $477.0M | trimmed -2% | ≤2013 |
| Brave Warrior Advisors, LLC (focused) | 1.55M | 4.41% | $302.3M | unchanged | 2022 Q4 |
| Dimensional Fund Advisors | 1.48M | 4.21% | $288.9M | added +4% | ≤2013 |
| Alyeska Investment Group | 890.7k | 2.54% | $174.0M | added +195.9% | 2023 Q2 |
| State Street | 886.4k | 2.52% | $173.1M | trimmed -1% | ≤2013 |
| AQR Capital | 824.0k | 2.35% | $161.0M | added +21.3% | ≤2013 |
| Invesco | 754.7k | 2.15% | $147.4M | added +2.3% | ≤2013 |
| Geode Capital | 500.1k | 1.43% | $97.7M | trimmed -3.4% | ≤2013 |
| LSV Asset Management | 497.8k | 1.42% | $97.2M | trimmed -5.4% | 2018 Q1 |
| Morgan Stanley | 486.8k | 1.39% | $95.1M | trimmed -2.5% | ≤2013 |
| Goldman Sachs | 458.9k | 1.31% | $89.6M | added +204.1% | ≤2013 |
| FMR (Fidelity) | 387.9k | 1.10% | $75.8M | added +1221.1% | ≤2013 |
| Arrowstreet Capital | 383.6k | 1.09% | $74.9M | added +8.7% | 2025 Q1 |
| Lyrical Asset Management LP (focused) | 375.8k | 1.07% | $73.4M | opened | 2026 Q1 |
| Charles Schwab Investment Management | 344.7k | 0.98% | $67.3M | added +1% | ≤2013 |
| Gamco Investors, INC. et al | 317.3k | 0.90% | $62.0M | trimmed -3.6% | ≤2013 |
| Simcoe Capital Management, LLC (focused) | 295.0k | 0.84% | $57.6M | added +66.4% | 2025 Q3 |
| Northern Trust | 251.2k | 0.72% | $49.1M | unchanged | ≤2013 |
| Gotham Asset Management | 237.5k | 0.68% | $46.4M | added +24.6% | 2016 Q1 |
| GAMCO (Gabelli) | 229.3k | 0.65% | $44.8M | trimmed -1.8% | ≤2013 |
| Horizon Kinetics Asset Management LLC | 225.1k | 0.64% | $44.0M | trimmed -12.3% | ≤2013 |
| D. E. Shaw | 203.3k | 0.58% | $39.7M | added +256.9% | ≤2013 |
| Nuveen | 201.2k | 0.57% | $39.3M | added +15.5% | 2019 Q2 |
| BNY Mellon | 198.9k | 0.57% | $38.9M | trimmed -4.5% | ≤2013 |
| Bank OF America CORP /DE/ | 194.0k | 0.55% | $37.9M | trimmed -18.1% | ≤2013 |
| UBS | 193.0k | 0.55% | $37.7M | trimmed -8.3% | ≤2013 |
| Adage Capital Partners GP, L.l.c. | 175.0k | 0.50% | $34.2M | added +430.3% | 2024 Q3 |
| Prudential Financial INC | 174.0k | 0.50% | $34.0M | added +238.5% | ≤2013 |
| Wedge Capital Management L L P/NC | 172.9k | 0.49% | $33.8M | added +13.3% | 2025 Q3 |
| Greatmark Investment Partners, INC. | 165.3k | 0.47% | $32.3M | added +2% | 2024 Q1 |
| Fuller & Thaler Asset Management, INC. | 149.4k | 0.43% | $29.2M | trimmed -3.8% | 2022 Q2 |
| Allianz Asset Management GmbH | 139.3k | 0.40% | $27.2M | trimmed -6.3% | 2020 Q1 |
| American Century Companies INC | 136.6k | 0.39% | $26.7M | added +14.8% | 2019 Q4 |
| Ameriprise Financial INC | 132.1k | 0.38% | $25.8M | added +12.4% | ≤2013 |
| BNP Paribas Financial Markets | 117.2k | 0.33% | $22.9M | added +158.3% | 2013 Q3 |
| Quantinno Capital Management LP | 107.6k | 0.31% | $21.0M | trimmed -38.5% | 2021 Q1 |
| Squarepoint Ops LLC | 104.3k | 0.30% | $20.4M | added +77.3% | 2024 Q4 |
| Renaissance Technologies | 91.5k | 0.26% | $17.9M | trimmed -13.7% | 2025 Q2 |
| Franklin Resources | 85.3k | 0.24% | $16.7M | added +306.9% | 2020 Q3 |
| Rhumbline Advisers | 82.3k | 0.23% | $16.1M | trimmed -1% | ≤2013 |
| Voloridge Investment Management | 80.4k | 0.23% | $15.7M | trimmed -42.5% | 2020 Q3 |
| Private Management Group INC | 78.3k | 0.22% | $15.3M | trimmed -1.9% | 2016 Q4 |
| LPL Financial LLC | 74.5k | 0.21% | $14.6M | trimmed -8.6% | 2020 Q3 |
| Retirement Systems of Alabama | 73.5k | 0.21% | $14.4M | trimmed -1.2% | ≤2013 |
| HRT Financial LP | 73.1k | 0.21% | $14.3M | added +215.5% | 2020 Q4 |
| Holocene Advisors | 72.4k | 0.21% | $14.1M | trimmed -88.6% | 2023 Q1 |
| Stifel Financial CORP | 67.2k | 0.19% | $13.1M | added +419% | 2021 Q4 |
| Mitsubishi UFJ Asset Management CO., LTD. | 67.1k | 0.19% | $13.1M | added +11.2% | 2019 Q3 |
| Hotchkis & Wiley Capital Management LLC | 66.8k | 0.19% | $13.0M | opened | 2026 Q1 |
Largest 50 of 493 shown; the full ranked, searchable register is at boothcheck.com/holders/AN. 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.