Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
183 institutional managers reported holding AXTI for the quarter ended Mar 31, 2026. Together they hold about 61% of shares outstanding; the top 10 hold 31%. 100 opened new positions; 28 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Vanguard Group | 2.66M | 4.99% | $151.9M | added +25.5% | ≤2013 |
| Jane Street | 2.43M | 4.55% | $138.4M | added +168.2% | 2023 Q2 |
| E20 Capital LTD (focused) | 2.07M | 3.88% | $118.0M | trimmed -32% | 2025 Q4 |
| Assenagon Asset Management S.a. | 1.51M | 2.82% | $85.9M | added +161.9% | 2023 Q2 |
| Morgan Stanley | 1.44M | 2.71% | $82.4M | added +62.1% | ≤2013 |
| WT Asset Management LTD (focused) | 1.35M | 2.53% | $76.8M | opened | 2026 Q1 |
| Anther Capital LTD (focused) | 1.31M | 2.45% | $74.6M | opened | 2026 Q1 |
| E Fund Management CO., LTD. | 1.26M | 2.37% | $72.0M | opened | 2026 Q1 |
| UBS | 1.17M | 2.20% | $66.9M | added +1076.5% | 2016 Q4 |
| BlackRock | 1.12M | 2.10% | $63.9M | added +33.8% | ≤2013 |
| Citigroup INC | 952.7k | 1.79% | $54.3M | added +10331.4% | 2025 Q3 |
| Goldman Sachs | 933.5k | 1.75% | $53.3M | added +246.5% | 2024 Q1 |
| T. Rowe Price | 909.8k | 1.71% | $51.9M | opened | 2026 Q1 |
| Bank OF America CORP /DE/ | 776.3k | 1.46% | $44.3M | added +112% | 2017 Q2 |
| D. E. Shaw | 776.3k | 1.46% | $44.3M | added +74.9% | 2021 Q4 |
| Millennium Management | 739.2k | 1.39% | $42.2M | added +259.7% | 2025 Q3 |
| Ariose Capital Management LTD (focused) | 685.5k | 1.29% | $39.1M | opened | 2026 Q1 |
| Geode Capital | 587.7k | 1.10% | $33.5M | added +19.4% | ≤2013 |
| Citadel Advisors | 569.7k | 1.07% | $32.5M | trimmed -26.7% | 2025 Q2 |
| Hood River Capital Management LLC | 526.7k | 0.99% | $30.0M | trimmed -73.8% | 2025 Q4 |
| Anatole Investment Management LTD (focused) | 463.2k | 0.87% | $26.4M | opened | 2026 Q1 |
| IMC-Chicago, LLC | 456.0k | 0.85% | $26.0M | opened | 2026 Q1 |
| Driehaus Capital Management LLC | 384.6k | 0.72% | $21.9M | opened | 2026 Q1 |
| BNP Paribas Financial Markets | 377.0k | 0.71% | $21.5M | added +96.6% | 2017 Q2 |
| State Street | 337.9k | 0.63% | $19.3M | added +35.6% | ≤2013 |
| CloudAlpha Capital Management Limited/Hong Kong (focused) | 334.4k | 0.63% | $19.1M | trimmed -76% | 2025 Q4 |
| Rokos Capital Management LLP | 330.8k | 0.62% | $18.9M | opened | 2026 Q1 |
| Susquehanna International Group | 301.6k | 0.57% | $17.2M | trimmed -57.2% | 2022 Q3 |
| Qube Research & Technologies LTD | 299.9k | 0.56% | $17.1M | trimmed -38.6% | 2023 Q2 |
| Monolith Management LTD (focused) | 281.3k | 0.53% | $16.0M | trimmed -37.1% | 2025 Q4 |
| Caitong International Asset Management CO., LTD | 255.6k | 0.48% | $14.6M | opened | 2026 Q1 |
| Barclays PLC | 252.8k | 0.47% | $14.4M | added +192% | 2025 Q4 |
| Persistent Asset Partners LTD | 233.6k | 0.44% | $13.3M | trimmed -24.1% | 2025 Q4 |
| Private Advisor Group, LLC | 224.4k | 0.42% | $12.8M | opened | 2026 Q1 |
| Boothbay Fund Management, LLC | 206.9k | 0.39% | $11.8M | trimmed -6.5% | 2025 Q4 |
| Alyeska Investment Group | 200.0k | 0.38% | $11.4M | trimmed -83.8% | 2025 Q4 |
| Dimensional Fund Advisors | 187.7k | 0.35% | $10.7M | unchanged | 2025 Q3 |
| Simplex Trading, LLC | 173.6k | 0.33% | $9.9M | added +97.9% | 2017 Q3 |
| Informed Momentum CO LLC | 155.0k | 0.29% | $8.8M | added +34.1% | 2025 Q4 |
| Northern Trust | 125.9k | 0.24% | $7.2M | added +35.6% | ≤2013 |
| Gotham Asset Management | 120.4k | 0.23% | $6.9M | added +89.2% | 2025 Q4 |
| Marshall Wace | 120.4k | 0.23% | $6.9M | trimmed -37.3% | 2025 Q4 |
| HRT Financial LP | 117.9k | 0.22% | $6.7M | opened | 2026 Q1 |
| Polymer Capital Management (HK) LTD | 115.6k | 0.22% | $6.6M | opened | 2026 Q1 |
| Valliance Asset Management LTD (focused) | 112.6k | 0.21% | $6.4M | opened | 2026 Q1 |
| LMR Partners LLP | 105.0k | 0.20% | $6.0M | added +60.3% | 2025 Q4 |
| Swiss National Bank | 103.9k | 0.20% | $5.9M | opened | 2026 Q1 |
| White Pine Capital LLC | 98.1k | 0.18% | $5.6M | trimmed -76.4% | 2019 Q1 |
| Maytree Asset Management LTD (focused) | 94.8k | 0.18% | $5.4M | trimmed -86.1% | 2025 Q4 |
| LPL Financial LLC | 90.2k | 0.17% | $5.1M | opened | 2026 Q1 |
Largest 50 of 183 shown; the full ranked, searchable register is at boothcheck.com/holders/AXTI. 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.