Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
237 institutional managers reported holding ASAN for the quarter ended Mar 31, 2026. Together they hold about 42% of shares outstanding; the top 10 hold 24%. 49 opened new positions; 48 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Vanguard Group | 13.37M | 5.62% | $85.7M | added +1.5% | 2020 Q3 |
| BlackRock | 7.85M | 3.30% | $50.3M | trimmed -6% | 2020 Q3 |
| Arrowstreet Capital | 7.18M | 3.02% | $46.1M | added +37.8% | 2024 Q4 |
| D. E. Shaw | 6.88M | 2.89% | $44.1M | added +3.3% | 2021 Q3 |
| Voya Investment Management LLC | 4.72M | 1.99% | $30.3M | trimmed -2.4% | 2021 Q2 |
| Goldman Sachs | 4.17M | 1.75% | $26.7M | added +49.2% | 2020 Q4 |
| Morgan Stanley | 3.61M | 1.52% | $23.1M | added +36.2% | 2020 Q3 |
| Two Sigma | 3.46M | 1.46% | $22.2M | added +107.7% | 2020 Q4 |
| Point72 | 3.20M | 1.35% | $20.5M | added +210.6% | 2025 Q1 |
| Millennium Management | 2.74M | 1.15% | $17.5M | added +193.3% | 2020 Q3 |
| State Street | 2.71M | 1.14% | $17.4M | added +8.3% | 2020 Q4 |
| UBS | 2.69M | 1.13% | $17.3M | added +126.3% | 2020 Q3 |
| AQR Capital | 2.34M | 0.98% | $15.0M | added +341.2% | 2023 Q3 |
| Jacobs Levy Equity Management, INC | 2.33M | 0.98% | $14.9M | added +50.3% | 2024 Q2 |
| Bank OF America CORP /DE/ | 2.24M | 0.94% | $14.3M | added +92.6% | 2020 Q4 |
| Geode Capital | 2.02M | 0.85% | $12.9M | trimmed -2.9% | 2020 Q4 |
| First Trust Advisors LP | 1.99M | 0.84% | $12.7M | added +12.9% | 2021 Q1 |
| Westerly Capital Management, LLC (focused) | 1.27M | 0.54% | $8.2M | added +409.6% | 2021 Q4 |
| Engineers Gate Manager LP | 1.04M | 0.44% | $6.7M | added +105.8% | 2021 Q3 |
| Charles Schwab Investment Management | 1.04M | 0.44% | $6.7M | added +12.7% | 2020 Q4 |
| Voleon Capital Management LP | 1.03M | 0.43% | $6.6M | added +59.6% | 2025 Q3 |
| FMR (Fidelity) | 982.6k | 0.41% | $6.3M | added +52.9% | 2021 Q1 |
| Susquehanna International Group | 967.9k | 0.41% | $6.2M | added +116.7% | 2020 Q3 |
| Acadian Asset Management | 866.1k | 0.36% | $5.6M | added +56.6% | 2024 Q3 |
| Marshall Wace | 865.8k | 0.36% | $5.5M | trimmed -67.4% | 2024 Q2 |
| BNY Mellon | 856.6k | 0.36% | $5.5M | added +49.3% | 2020 Q4 |
| Northern Trust | 839.5k | 0.35% | $5.4M | added +2.9% | 2020 Q4 |
| Jupiter Asset Management LTD | 814.2k | 0.34% | $5.2M | trimmed -40.8% | 2025 Q1 |
| Nuveen | 786.6k | 0.33% | $5.0M | added +1.4% | 2020 Q4 |
| Walleye Capital LLC | 739.3k | 0.31% | $4.7M | added +549.8% | 2021 Q1 |
| Marex Group plc | 672.8k | 0.28% | $4.3M | added +203.8% | 2023 Q4 |
| Trexquant Investment LP | 640.5k | 0.27% | $4.1M | added +31% | 2024 Q4 |
| XTX Topco LTD | 623.3k | 0.26% | $4.0M | added +164.7% | 2025 Q3 |
| Federated Hermes, INC. | 612.9k | 0.26% | $3.9M | trimmed -23.8% | 2025 Q1 |
| Campbell & CO Investment Adviser LLC | 606.8k | 0.26% | $3.9M | added +2366% | 2025 Q2 |
| Jane Street | 604.1k | 0.25% | $3.9M | trimmed -7.7% | 2020 Q3 |
| Y-Intercept (Hong Kong) LTD | 532.8k | 0.22% | $3.4M | added +250.4% | 2025 Q1 |
| Squarepoint Ops LLC | 410.3k | 0.17% | $2.6M | added +209.8% | 2024 Q3 |
| Whetstone Capital Advisors, LLC | 381.7k | 0.16% | $2.4M | unchanged | 2021 Q2 |
| Brevan Howard Capital Management LP | 362.2k | 0.15% | $2.3M | added +2225.1% | 2025 Q2 |
| Holocene Advisors | 359.4k | 0.15% | $2.3M | added +1265.7% | 2023 Q1 |
| Citigroup INC | 349.9k | 0.15% | $2.2M | trimmed -15.4% | 2020 Q3 |
| Public Sector Pension Investment Board | 316.8k | 0.13% | $2.0M | unchanged | 2025 Q4 |
| IEQ Capital, LLC | 239.5k | 0.10% | $1.5M | added +537.2% | 2025 Q1 |
| Connor, Clark & Lunn Investment Management LTD. | 235.3k | 0.10% | $1.5M | trimmed -21.9% | 2024 Q4 |
| Qube Research & Technologies LTD | 208.8k | 0.09% | $1.3M | opened | 2024 Q3 |
| Numerai GP LLC | 188.6k | 0.08% | $1.2M | opened | 2026 Q1 |
| Royal Bank OF Canada | 180.6k | 0.08% | $1.2M | added +2925.2% | 2020 Q3 |
| Swiss National Bank | 170.0k | 0.07% | $1.1M | unchanged | 2021 Q2 |
| Rhumbline Advisers | 163.6k | 0.07% | $1.0M | added +42.1% | 2021 Q2 |
Largest 50 of 237 shown; the full ranked, searchable register is at boothcheck.com/holders/ASAN. 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.