Super Micro Computer
Builds modular rack-scale server, storage, and liquid-cooling systems for AI and enterprise infrastructure.
$37.08
After-hours close0.00 (0.00%)
At close$37.08(−3.59%)
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Breakdown13F · Form 4
Institutions 73.57%475.90M sharesInsiders 12.88%83.33M sharesOther 13.55%87.65M shares
Shares outstanding 646.87M · Float 563.39M · 87.1% free float
Institutions13F, as of Jun 30, 2026
897 holders · 475.90M shares · 155 new positions · 451 increased · 247 reduced · 90 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 47.69M | 7.37% | +4.33M | Aug 7, 2026 |
| Vanguard Capital Management LLC | 36.36M | 5.62% | +3.46M | Aug 13, 2026 |
| Vanguard Portfolio Management LLC | 32.86M | 5.08% | +3.30M | Aug 13, 2026 |
| Jane Street Group, LLC | 28.79M | 4.45% | +24.37M | Aug 14, 2026 |
| State Street Corp | 24.64M | 3.81% | +2.62M | Aug 7, 2026 |
| UBS Group AG | 19.69M | 3.04% | +7.62M | Aug 13, 2026 |
| Geode Capital Management, LLC | 15.51M | 2.40% | +1.35M | Aug 12, 2026 |
| Invesco Ltd. | 11.72M | 1.81% | −96.4K | Aug 14, 2026 |
Beneficial owners13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| Jane Street Group, LLC | 8.50% | 56.64M | 13G | Jun 18, 2026 ↗ |
| Vanguard Capital Management | 6.31% | 37.93M | 13G | Apr 30, 2026 ↗ |
| Capital Ventures International | 6.20% | 40.33M | 13G | Jun 18, 2026 ↗ |
| Susquehanna Investment Groupincl. G1 Execution Services, LLC, Susquehanna Securities, LLC | 5.30% | 30.81M | 13G | Nov 14, 2024 ↗ |
| Vanguard Portfolio Management | 5.09% | 32.93M | 13G | Jul 31, 2026 ↗ |
InsidersForm 4
| Insider | Role | Shares | % outstanding | Filed |
|---|---|---|---|---|
| Charles Liang | director, 10 percent owner, officer: President and CEO | 41.06M | 6.35% | Aug 19, 2026 |
| Liang Chiu-Chu Sara Liu | director, 10 percent owner: | 25.97M | 4.01% | Aug 19, 2026 |
| Yih-Shyan Wally Liaw | director | 15.08M | 2.33% | Feb 19, 2026 |
| Tally C. Liu | director | 288.7K | 0.04% | Jul 2, 2026 |
| Sherman Tuan | director | 207.2K | 0.03% | Dec 1, 2025 |
| Jin Xiao | officer: Sr. Corporate VP, Engineering | 194.6K | 0.03% | Aug 19, 2026 |
| David E. Weigand | officer: SVP, Chief Financial Officer | 134.7K | 0.02% | Aug 19, 2026 |
| George Kao | officer: SVP, OPERATIONS | 134.7K | 0.02% | Nov 26, 2025 |
| Kenneth Cheung | officer: SVP, Chief Accounting Officer | 63.8K | 0.01% | Aug 19, 2026 |
| Judy L. Lin | director | 60.3K | 0.01% | Jul 2, 2026 |
1 ten-percent owner holds 100.0K shares by Form 4, outside the officers-and-directors figure above · 9 people have not refiled in the last 18 months (3.87M shares), so they are not in the figure above
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Nov 26, 2025 | Sherman Tuandirector | Sale | 48,630 | $33.00 | 207,156 |
| Nov 24, 2025 | George Kaoofficer: SVP, OPERATIONS | Sale | 56,904 | $32.83 | 134,691 |
| Sep 15, 2025 | David E. Weigandofficer: SVP, Chief Financial Officer | Sale | 25,000 | $45.14 | 100,188 |
| Sep 3, 2025 | David E. Weigandofficer: SVP, Chief Financial Officer | Sale · 2 lots | 25,000 | $40.29 | 100,188 |
CongressHouse and Senate disclosures
Not reported.