Super Micro Computer, Inc. (SMCI) ownership: Top institutional holder: VANGUARD GROUP INC ($1.99B). Insider activity: Net Seller (0 buys, 20 sells). 10 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| VANGUARD GROUP INC | 68032047.00 | $1.99B | 2025-12-31 |
| BlackRock, Inc. | 43360579.00 | $987.32M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 32894995.00 | $749.02M | 2026-03-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 29569380.00 | $673.29M | 2026-03-31 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 27616900.00 | $628.84M | 2026-03-31 |
| STATE STREET CORP | 22017501.00 | $501.34M | 2026-03-31 |
| JANE STREET GROUP, LLC | 18291600.00 | $416.50M | 2026-03-31 |
| GEODE CAPITAL MANAGEMENT, LLC | 14155928.00 | $321.14M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-08-17 | |
| Sell | null | 2026-08-17 | |
| Sell | null | 2026-08-17 | |
| Sell | null | 2026-08-17 | |
| Sell | null | 2026-08-17 | |
| Sell | null | 2026-08-17 | |
| Sell | null | 2026-08-17 | |
| Sell | null | 2026-08-17 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.