NASDAQ · Holders
Super Micro Computer (SMCI) Institutional Ownership & Insider Trading History
Top SMCI institutional shareholders, filing changes, and Form 4 insider activity with filters for buys, sales, option exercises, gifts, and tax withholding.
- Last confirmed price
- $43.91+1.04%
- Oct 7, 2026, 9:33 AM EDT · Prices may be delayed
Data dates
Prices as of Oct 7, 9:33 AM EDT · Fundamentals checked Oct 7, 8:37 AM EDT · Statement period ended Jun 30, 2026
Ownership read
SMCI insider transaction activity: Net selling.
Blackrock Inc. is the largest institutional holder. 19 sales and 0 purchases appear in the recent Form 4 filings. Use the filters below to separate open-market activity from option exercises, gifts, awards, and tax withholding.
Insider flow
SMCI
Directional bars ignore awards, gifts, conversions, and tax withholding rows.
Top holder
47.69M
Blackrock Inc.
Insider transaction activity
Net selling
$105.14M sold / $0.0000 bought
Observations shown
130
10 holder / 120 insider
- Holder rows
- 10
- Yahoo Finance · Filing dates shown per row
- Increased / initiated
- 9
- 1 decreased · provider-reported changes
- Insider rows
- 120
- Yahoo Finance · Filing dates shown per row
Ownership concentration and transaction activity
- Top 10 reported holders
- 36.24% outstanding
- Changes with share-count history
- Prior-position data unavailable
- New / exited positions
- 0 / 0 explicitly reported
- Largest increase with share-count history
- Prior share counts unavailable
These changes cover the holders shown. A holder missing from this list may still own shares. Compare positions from the same reporting quarters.
Net shares sold: 2,274,700
Sale-code S shares minus purchase-code P shares in this sample. Includes disclosed plans and unknown plan status; excludes grants, gifts, exercises and withholding. This is activity, not sentiment.
- Purchase / sale; plan unknown: 19
- Other / unclassified: 87
- Gift: 5
- Conversion / exercise: 9
Top 10 institutional holders
Super Micro Computer (SMCI) institutional ownership
Ranked by reported share count, with position changes and separate position and filing dates where ownership data supplies them.
| # | Institution | % held | Shares | Change % | Position / filing date |
|---|---|---|---|---|---|
| 1 | 7.26% | 47.69M | +9.98% | Position as of Jun 30, 2026Filing date unknown | |
| 2 | 5.53% | 36.36M | +10.52% | Position as of Jun 30, 2026Filing date unknown | |
| 3 | 5.00% | 32.86M | +11.14% | Position as of Jun 30, 2026Filing date unknown | |
| 4 | Jane Street Group, LLC | 4.38% | 28.79M | +551.35% | Position as of Jun 30, 2026Filing date unknown |
| 5 | 3.75% | 24.64M | +11.89% | Position as of Jun 30, 2026Filing date unknown | |
| 6 | 3.00% | 19.69M | +63.08% | Position as of Jun 30, 2026Filing date unknown | |
| 7 | 2.36% | 15.51M | +9.57% | Position as of Jun 30, 2026Filing date unknown | |
| 8 | 1.78% | 11.72M | -0.82% | Position as of Jun 30, 2026Filing date unknown | |
| 9 | 1.69% | 11.09M | +221.95% | Position as of Jun 30, 2026Filing date unknown | |
| 10 | Two Sigma Investments, LP | 1.49% | 9.78M | +978.78% | Position as of Jun 30, 2026Filing date unknown |
Recent insider transactions
Super Micro Computer (SMCI) Form 4 filings
Action codes are translated so open-market buys and sales are separate from awards, gifts, conversions, and tax withholding.
| # | Insider | % company | Action | Shares | Transaction date |
|---|---|---|---|---|---|
| 1 | LIANG CHARLES Chief Executive Officer | 0.03% | SaleOpen-market or direct sale reported on Form 4.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 200.00K | Sep 4, 2026 |
| 2 | LIU LIANG CHIU-CHU SARA Director and Beneficial Owner of more than 10% of a Class of Security | 0.03% | SaleOpen-market or direct sale reported on Form 4.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 200.00K | Sep 4, 2026 |
| 3 | CHEUNG KENNETH Officer | <0.01% | OtherTransaction code reported in the data source. Check the original Form 4 filing for details.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 2.25K | Aug 17, 2026 |
| 4 | WEIGAND DAVID E Chief Financial Officer | <0.01% | OtherTransaction code reported in the data source. Check the original Form 4 filing for details.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 6.50K | Aug 17, 2026 |
| 5 | XIAO JIN Officer | <0.01% | OtherTransaction code reported in the data source. Check the original Form 4 filing for details.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 4.00K | Aug 17, 2026 |
| 6 | MALYALA VIKRANTH Officer | <0.01% | OtherTransaction code reported in the data source. Check the original Form 4 filing for details.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 6.00K | Aug 17, 2026 |
| 7 | THAUBERGER MATTHEW Officer | <0.01% | OtherTransaction code reported in the data source. Check the original Form 4 filing for details.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 2.25K | Aug 17, 2026 |
| 8 | LIANG CHARLES Chief Executive Officer | <0.01% | OtherTransaction code reported in the data source. Check the original Form 4 filing for details.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 3.65K | Aug 17, 2026 |
| 9 | LIU LIANG CHIU-CHU SARA Director and Beneficial Owner of more than 10% of a Class of Security | <0.01% | OtherTransaction code reported in the data source. Check the original Form 4 filing for details.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 3.65K | Aug 17, 2026 |
| 10 | CHEUNG KENNETH Officer | <0.01% | OtherTransaction code reported in the data source. Check the original Form 4 filing for details.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 4.68K | Aug 10, 2026 |
| 11 | WEIGAND DAVID E Chief Financial Officer | <0.01% | OtherTransaction code reported in the data source. Check the original Form 4 filing for details.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 1.48K | Aug 10, 2026 |
| 12 | XIAO JIN Officer | <0.01% | OtherTransaction code reported in the data source. Check the original Form 4 filing for details.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 2.99K | Aug 10, 2026 |
Frequently asked
Questions about this quote
Who are the largest SMCI shareholders?
Blackrock Inc. is the largest reported institutional holder of SMCI, with 47.69 million shares, or about 7.26% of shares outstanding.
What does the institutional filing activity show for SMCI?
Super Micro Computer has 10 institutional rows on file: 9 increased or initiated positions and 1 reduced them.
What insider transactions are available for SMCI?
TECHi shows 120 dated SMCI insider transactions through Sep 4, 2026, with transaction types kept separate so administrative actions are not presented as open-market trades.
Are SMCI insiders buying or selling?
The displayed SMCI activity reads Net selling: 19 sales and 0 purchases. Other transaction types remain separate.
Who is the most active reported SMCI insider?
LIANG CHARLES has the largest absolute share movement in the displayed SMCI filing rows, totaling 1.35 million shares. The action labels provide the transaction context.
All data sources
Search the dated figures used for this view. Each entry identifies its units, reporting period and calculation status.
What this page answers
Check who owns the float and whether insiders are active.
Explore Institutional concentration, insider transaction pattern, and float context.
Keep in mind Filings are delayed or transactions are administrative rather than economic.
Regular session
Regular hours: 9:30 AM–4:00 PM America/New_York
Next open: 2026-10-08 · 9:30 AM America/New_York
Exchange calendar includes scheduled holidays and early closes. Extended-session prices appear separately only when supplied by the quote source.
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