Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
359 institutional managers reported holding ASX for the quarter ended Mar 31, 2026. Together they hold about 4% of shares outstanding; the top 10 hold 2%. 76 opened new positions; 29 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BlackRock | 22.19M | 0.51% | $481.2M | added +14% | 2016 Q3 |
| Lazard Asset Management LLC | 13.53M | 0.31% | $293.5M | trimmed -32.4% | ≤2013 |
| UBS | 9.35M | 0.21% | $202.8M | added +3.4% | ≤2013 |
| Acadian Asset Management | 7.37M | 0.17% | $159.9M | added +17.7% | 2020 Q2 |
| Bank OF America CORP /DE/ | 6.83M | 0.16% | $148.2M | trimmed -22.1% | ≤2013 |
| Morgan Stanley | 6.73M | 0.15% | $145.9M | trimmed -36.6% | ≤2013 |
| Goldman Sachs | 5.85M | 0.14% | $126.8M | trimmed -3% | 2013 Q3 |
| American Century Companies INC | 5.83M | 0.13% | $126.4M | added +37.7% | 2019 Q4 |
| Fisher Investments | 4.81M | 0.11% | $104.2M | added +3.5% | ≤2013 |
| Cullen Capital Management, LLC | 4.01M | 0.09% | $87.0M | trimmed -28.5% | 2017 Q3 |
| Rafferty Asset Management, LLC | 3.58M | 0.08% | $77.7M | trimmed -23.1% | 2021 Q4 |
| Citigroup INC | 3.46M | 0.08% | $75.0M | added +9.5% | ≤2013 |
| Barclays PLC | 3.37M | 0.08% | $73.1M | trimmed -10.1% | 2021 Q2 |
| Jane Street | 3.14M | 0.07% | $68.2M | added +381.9% | 2015 Q2 |
| Envestnet Asset Management INC | 2.00M | 0.05% | $43.4M | trimmed -21.8% | ≤2013 |
| Natixis Advisors, LLC | 1.94M | 0.04% | $42.1M | trimmed -23.7% | 2016 Q3 |
| Creative Planning | 1.90M | 0.04% | $41.1M | added +38.4% | 2024 Q1 |
| Jones Financial Companies Lllp | 1.84M | 0.04% | $39.8M | added +13172.2% | 2023 Q4 |
| Hsbc Holdings PLC | 1.80M | 0.04% | $39.1M | added +3.9% | 2023 Q3 |
| DZ Bank AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 1.80M | 0.04% | $38.9M | opened | 2026 Q1 |
| Earnest Partners LLC | 1.73M | 0.04% | $37.5M | trimmed -13% | 2013 Q4 |
| Point72 | 1.67M | 0.04% | $36.3M | added +312.6% | 2025 Q2 |
| Vanguard Group | 1.59M | 0.04% | $34.4M | trimmed -1.8% | ≤2013 |
| Bridgewater Associates | 1.55M | 0.04% | $33.6M | opened | 2026 Q1 |
| Dimensional Fund Advisors | 1.40M | 0.03% | $30.4M | added +9.8% | ≤2013 |
| BNP Paribas Financial Markets | 1.24M | 0.03% | $27.0M | added +20% | 2016 Q3 |
| Northern Trust | 1.19M | 0.03% | $25.9M | trimmed -4.8% | 2013 Q3 |
| Wells Fargo & COMPANY/MN | 1.16M | 0.03% | $25.3M | trimmed -20% | ≤2013 |
| Schroder Investment Management Group | 1.07M | 0.03% | $23.3M | trimmed -85.2% | 2014 Q4 |
| Marshall Wace | 1.00M | 0.02% | $21.7M | added +52.1% | 2025 Q4 |
| Millennium Management | 938.8k | 0.02% | $20.4M | trimmed -31.3% | 2024 Q1 |
| Mackenzie Financial CORP | 822.7k | 0.02% | $17.8M | added +63.8% | 2025 Q1 |
| SEI Investments CO | 812.0k | 0.02% | $17.6M | added +12.1% | ≤2013 |
| Deutsche Bank AG\ | 780.7k | 0.02% | $16.9M | added +4316.4% | 2025 Q3 |
| Nine Masts Capital LTD | 777.2k | 0.02% | $16.9M | added +5.1% | 2024 Q3 |
| Tidal Investments LLC | 734.9k | 0.02% | $15.9M | opened | 2026 Q1 |
| Quantinno Capital Management LP | 588.2k | 0.01% | $12.8M | added +37.8% | 2022 Q4 |
| Vident Advisory, LLC | 571.7k | 0.01% | $12.4M | added +5.7% | 2022 Q2 |
| Connor, Clark & Lunn Investment Management LTD. | 566.0k | 0.01% | $12.3M | added +56% | 2025 Q2 |
| Capital Fund Management S.a. | 564.2k | 0.01% | $12.2M | trimmed -8.3% | 2024 Q2 |
| Verition Fund Management | 555.3k | 0.01% | $12.0M | added +108.3% | 2024 Q4 |
| Capital Wealth Planning, LLC | 532.6k | 0.01% | $11.6M | trimmed -7.9% | 2025 Q3 |
| Royal Bank OF Canada | 503.9k | 0.01% | $10.9M | trimmed -13.2% | ≤2013 |
| Arrowstreet Capital | 481.4k | 0.01% | $10.4M | opened | 2026 Q1 |
| Ninety One North America, INC. | 451.8k | 0.01% | $9.8M | trimmed -4.8% | 2024 Q3 |
| O'shaughnessy Asset Management, LLC | 449.2k | 0.01% | $9.7M | added +37.7% | 2019 Q4 |
| Ramirez Asset Management, INC. | 447.3k | 0.01% | $9.7M | added +2% | 2023 Q4 |
| Polymer Capital Management (HK) LTD | 443.2k | 0.01% | $9.6M | opened | 2024 Q3 |
| Oppenheimer Asset Management INC. | 438.4k | 0.01% | $9.5M | trimmed -31.6% | 2017 Q1 |
| Rhumbline Advisers | 419.9k | 0.01% | $9.1M | trimmed -16.7% | 2023 Q2 |
Largest 50 of 359 shown; the full ranked, searchable register is at boothcheck.com/holders/ASX. 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.