Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
330 institutional managers reported holding AS for the quarter ended Mar 31, 2026. Together they hold about 37% of shares outstanding; the top 10 hold 20%. 71 opened new positions; 52 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| FountainVest China Capital Partners GP3 LTD. (focused) | 34.10M | 6.13% | $1.12B | unchanged | 2024 Q1 |
| FMR (Fidelity) | 25.06M | 4.50% | $824.8M | added +12.2% | 2024 Q2 |
| Point72 | 9.91M | 1.78% | $326.3M | added +441.8% | 2024 Q1 |
| Aspex Management (HK) LTD (focused) | 8.27M | 1.49% | $272.2M | added +8.9% | 2025 Q3 |
| Viking Global | 7.27M | 1.31% | $239.3M | added +51% | 2025 Q1 |
| D. E. Shaw | 5.93M | 1.07% | $195.4M | trimmed -31.2% | 2024 Q4 |
| Marshall Wace | 4.93M | 0.89% | $162.2M | added +115.5% | 2024 Q1 |
| Artisan Partners | 4.74M | 0.85% | $156.0M | trimmed -9.1% | 2025 Q3 |
| Avala Global LP (focused) | 4.36M | 0.78% | $143.4M | trimmed -6.1% | 2024 Q4 |
| Balyasny Asset Management | 4.00M | 0.72% | $131.7M | added +176% | 2024 Q1 |
| Westfield Capital Management CO LP | 3.94M | 0.71% | $129.6M | opened | 2026 Q1 |
| BlackRock | 3.71M | 0.67% | $122.1M | added +14% | 2024 Q2 |
| Temasek Holdings | 3.67M | 0.66% | $120.7M | added +42.1% | 2025 Q1 |
| Brown Advisory INC | 3.57M | 0.64% | $117.4M | added +5.7% | 2024 Q1 |
| Morgan Stanley | 3.43M | 0.62% | $112.9M | trimmed -7.5% | 2024 Q1 |
| MFS Investment Management | 2.96M | 0.53% | $97.5M | trimmed -1.8% | 2025 Q3 |
| Bank OF America CORP /DE/ | 2.57M | 0.46% | $84.7M | trimmed -4.1% | 2024 Q1 |
| Deutsche Bank AG\ | 2.46M | 0.44% | $80.8M | added +20.2% | 2024 Q2 |
| Jane Street | 2.42M | 0.44% | $79.8M | added +1455.3% | 2024 Q1 |
| AllianceBernstein | 2.12M | 0.38% | $69.7M | trimmed -1.3% | 2024 Q1 |
| WT Asset Management LTD (focused) | 1.93M | 0.35% | $63.5M | trimmed -18.6% | 2024 Q1 |
| Goldman Sachs | 1.83M | 0.33% | $60.3M | added +151% | 2024 Q2 |
| Woodson Capital Management, LP (focused) | 1.82M | 0.33% | $60.1M | added +21.7% | 2024 Q3 |
| Scopus Asset Management, L.p. | 1.78M | 0.32% | $58.8M | added +1.4% | 2025 Q2 |
| State Street | 1.71M | 0.31% | $56.1M | added +3.4% | 2024 Q2 |
| CI Investments INC. | 1.70M | 0.31% | $56.1M | opened | 2024 Q2 |
| Wellington Management | 1.59M | 0.29% | $52.3M | opened | 2025 Q1 |
| Hook Mill Capital Partners, LP (focused) | 1.54M | 0.28% | $50.6M | added +22.9% | 2024 Q4 |
| Bank OF Nova Scotia | 1.48M | 0.27% | $48.8M | trimmed -26.7% | 2025 Q3 |
| Toronto Dominion Bank | 1.48M | 0.27% | $48.6M | opened | 2025 Q3 |
| UBS | 1.42M | 0.25% | $46.6M | added +30.4% | 2024 Q1 |
| Senator Investment Group LP | 1.30M | 0.23% | $42.8M | added +40.6% | 2025 Q4 |
| Qube Research & Technologies LTD | 1.29M | 0.23% | $42.6M | trimmed -41.5% | 2025 Q1 |
| Anomaly Capital Management, LP (focused) | 1.28M | 0.23% | $42.1M | opened | 2026 Q1 |
| Citadel Advisors | 1.28M | 0.23% | $42.0M | added +2751.5% | 2024 Q1 |
| SEI Investments CO | 1.24M | 0.22% | $41.0M | trimmed -15.7% | 2024 Q1 |
| Woodline Partners LP | 1.23M | 0.22% | $40.7M | added +2164.1% | 2024 Q4 |
| Ghisallo Capital Management LLC | 1.20M | 0.22% | $39.5M | added +380% | 2024 Q1 |
| Gotham Asset Management | 1.06M | 0.19% | $34.8M | added +24.1% | 2024 Q3 |
| Brilliance Asset Management LTD (focused) | 1.00M | 0.18% | $32.9M | trimmed -64.4% | 2024 Q1 |
| Allianz Asset Management GmbH | 934.4k | 0.17% | $30.8M | opened | 2026 Q1 |
| Millennium Management | 925.2k | 0.17% | $30.5M | added +2.4% | 2024 Q1 |
| Vident Advisory, LLC | 915.3k | 0.17% | $30.1M | added +14.6% | 2024 Q4 |
| BNP Paribas Financial Markets | 898.9k | 0.16% | $29.6M | trimmed -52.6% | 2024 Q2 |
| Man Group | 887.5k | 0.16% | $29.2M | added +13.2% | 2024 Q1 |
| Pictet Asset Management Holding SA | 882.1k | 0.16% | $29.0M | trimmed -8.6% | 2025 Q3 |
| Engineers Gate Manager LP | 861.8k | 0.15% | $28.4M | added +192.6% | 2025 Q1 |
| FIL LTD | 859.6k | 0.15% | $28.3M | added +922.8% | 2025 Q1 |
| Ameriprise Financial INC | 852.2k | 0.15% | $28.1M | added +3.3% | 2024 Q1 |
| Shellback Capital, LP | 830.0k | 0.15% | $27.3M | trimmed -16.2% | 2024 Q1 |
Largest 50 of 330 shown; the full ranked, searchable register is at boothcheck.com/holders/AS. 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.