Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
682 institutional managers reported holding SMCI for the quarter ended Mar 31, 2026. Together they hold about 49% of shares outstanding; the top 10 hold 29%. 90 opened new positions; 145 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Vanguard Group | 67.64M | 9.77% | $1.54B | trimmed -0.6% | 2020 Q2 |
| BlackRock | 43.36M | 6.26% | $986.9M | added +4.2% | 2020 Q1 |
| State Street | 22.02M | 3.18% | $501.1M | trimmed -0.6% | 2020 Q2 |
| UBS | 15.84M | 2.29% | $360.4M | added +45.5% | 2020 Q1 |
| Geode Capital | 14.16M | 2.04% | $322.2M | added +2.5% | 2020 Q1 |
| Invesco | 11.81M | 1.71% | $268.9M | added +18.7% | 2020 Q1 |
| Morgan Stanley | 7.67M | 1.11% | $174.6M | trimmed -32% | 2020 Q1 |
| Marshall Wace | 7.19M | 1.04% | $163.6M | added +15612.2% | 2022 Q4 |
| Defiance ETFs, LLC | 6.22M | 0.90% | $141.6M | opened | 2026 Q1 |
| BNP Paribas Financial Markets | 5.50M | 0.80% | $125.2M | added +10.7% | 2023 Q3 |
| Disciplined Growth Investors INC /MN | 4.99M | 0.72% | $113.5M | trimmed -48.3% | ≤2013 |
| Wells Fargo & COMPANY/MN | 4.97M | 0.72% | $113.2M | added +59.6% | 2020 Q1 |
| Jane Street | 4.42M | 0.64% | $100.6M | added +3367.9% | 2022 Q2 |
| Northern Trust | 4.34M | 0.63% | $98.7M | trimmed -1.4% | 2020 Q1 |
| Charles Schwab Investment Management | 4.16M | 0.60% | $94.7M | added +2.7% | 2020 Q2 |
| Dimensional Fund Advisors | 4.08M | 0.59% | $92.9M | added +2.8% | 2020 Q1 |
| Legal & General Group PLC | 3.98M | 0.57% | $90.6M | added +0.6% | 2020 Q2 |
| Bank OF America CORP /DE/ | 3.89M | 0.56% | $88.6M | added +32.7% | 2020 Q1 |
| Barclays PLC | 3.64M | 0.53% | $82.8M | trimmed -19% | 2020 Q2 |
| Goldman Sachs | 3.44M | 0.50% | $78.4M | trimmed -29.5% | 2020 Q1 |
| Citigroup INC | 2.80M | 0.41% | $63.8M | added +25.7% | 2020 Q1 |
| CPP Investment Board | 2.75M | 0.40% | $62.5M | trimmed -24.9% | 2023 Q4 |
| National Bank OF Canada /FI/ | 2.65M | 0.38% | $60.4M | added +12.1% | 2022 Q2 |
| BNY Mellon | 2.44M | 0.35% | $55.4M | trimmed -3.5% | 2020 Q2 |
| Hawk Ridge Capital Management LP (focused) | 2.32M | 0.34% | $52.9M | opened | 2026 Q1 |
| Marex Group plc | 2.24M | 0.32% | $51.1M | trimmed -25.5% | 2023 Q4 |
| Deutsche Bank AG\ | 1.98M | 0.29% | $45.2M | added +14.1% | 2020 Q1 |
| Mirae Asset Global Etfs Holdings LTD. | 1.97M | 0.28% | $44.8M | added +125% | 2021 Q1 |
| HRT Financial LP | 1.85M | 0.27% | $42.1M | added +33% | 2025 Q3 |
| Amundi | 1.69M | 0.24% | $38.5M | trimmed -30.2% | 2022 Q1 |
| Citadel Advisors | 1.63M | 0.23% | $37.0M | trimmed -75.6% | 2020 Q1 |
| Needham Investment Management LLC | 1.62M | 0.23% | $36.8M | added +17.1% | 2020 Q1 |
| Swiss National Bank | 1.58M | 0.23% | $35.9M | added +7.6% | 2020 Q2 |
| Hsbc Holdings PLC | 1.50M | 0.22% | $34.1M | added +32.2% | 2023 Q1 |
| Mitsubishi UFJ Asset Management CO., LTD. | 1.45M | 0.21% | $33.1M | added +7.3% | 2023 Q3 |
| Weiss Asset Management LP | 1.40M | 0.20% | $31.8M | added +40% | 2025 Q1 |
| Nuveen | 1.37M | 0.20% | $31.2M | trimmed -3.1% | 2020 Q2 |
| Bank OF Montreal /CAN/ | 1.34M | 0.19% | $30.4M | trimmed -47.6% | 2022 Q3 |
| Royal Bank OF Canada | 1.30M | 0.19% | $29.7M | trimmed -3.4% | 2020 Q1 |
| Sumitomo Mitsui Trust Group, INC. | 1.22M | 0.18% | $27.7M | trimmed -3.3% | 2023 Q3 |
| Cantor Fitzgerald, L. P. | 1.16M | 0.17% | $26.4M | trimmed -24.9% | 2024 Q2 |
| Natixis Advisors, LLC | 1.05M | 0.15% | $23.8M | trimmed -4% | 2022 Q4 |
| Rhumbline Advisers | 1.02M | 0.15% | $23.2M | added +3.5% | 2020 Q2 |
| Capital Fund Management S.a. | 978.3k | 0.14% | $22.3M | added +48.6% | 2024 Q4 |
| Two Sigma | 906.9k | 0.13% | $20.6M | added +462.8% | 2024 Q4 |
| Clear Street Group INC. | 896.7k | 0.13% | $20.4M | trimmed -47.4% | 2024 Q4 |
| Mizuho Markets Americas LLC | 877.8k | 0.13% | $20.0M | trimmed -10.4% | 2024 Q1 |
| LPL Financial LLC | 871.2k | 0.13% | $19.8M | added +4.2% | 2022 Q3 |
| SG Americas Securities, LLC | 856.6k | 0.12% | $19.5M | added +122.3% | 2020 Q2 |
| Walleye Capital LLC | 847.8k | 0.12% | $19.3M | added +27.3% | 2021 Q2 |
Largest 50 of 682 shown; the full ranked, searchable register is at boothcheck.com/holders/SMCI. 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.