VANGUARD GROUP INC
Rank #1
11.3%
- Shares
- 68.03M
- Change
- -816.73K
- Change %
- -1.19%
- Filing
- Dec 31, 2025
Decreased
Methodology published · Market data, model notes, and corrections process are public · Data policy · Corrections policy
NASDAQ · TECHNOLOGY · Holders
Super Micro Computer Inc (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.
Ownership read
SMCI insider sentiment: Net selling.
VANGUARD GROUP INC is the largest loaded institutional holder. 72 sale rows and 0 purchase rows are visible in the loaded Form 4 history. Use the filters below to separate real buying and selling from option exercises, gifts, awards, and tax withholding.
Insider flow
SMCI
Purchases—
Sales1.11M
Directional bars ignore awards, gifts, conversions, and tax withholding rows.
Top holder
68.03M
VANGUARD GROUP INC
Insider stance
Net selling
$4.55M sold / — bought
Latest filing
May 26, 2026
Most recent holder or insider filing date
Rows loaded
240
120 holder / 120 insider
- Holder rows
- 120
- Market data feed
- Latest filing
- May 26, 2026
- Most recent holder or insider filing date
- Increased / initiated
- 71
- 49 decreased in loaded rows
- Insider rows
- 120
- Market data feed
Top 120 institutional holders
Super Micro Computer Inc (SMCI) institutional ownership
Ranked by reported share count, with position changes and latest filing dates where the ownership feed supplies them.
BLACKROCK
Rank #2
7.22%
- Shares
- 43.36M
- Change
- +1.73M
- Change %
- +4.15%
- Filing
- Mar 31, 2026
Increased
VANGUARD CAPITAL MANAGEMENT LLC
Rank #3
5.48%
- Shares
- 32.89M
- Change
- +32.89M
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
VANGUARD PORTFOLIO MANAGEMENT LLC
Rank #4
4.93%
- Shares
- 29.57M
- Change
- +29.57M
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
STATE STREET CORP
Rank #5
3.67%
- Shares
- 22.02M
- Change
- -132.45K
- Change %
- -60.00%
- Filing
- Mar 31, 2026
Decreased
GEODE CAPITAL MANAGEMENT
Rank #6
2.36%
- Shares
- 14.16M
- Change
- +347.43K
- Change %
- +2.52%
- Filing
- Mar 31, 2026
Increased
UBS GROUP AG
Rank #7
2.01%
- Shares
- 12.07M
- Change
- +4.66M
- Change %
- +62.92%
- Filing
- Mar 31, 2026
Increased
INVESCO LTD.
Rank #8
1.97%
- Shares
- 11.81M
- Change
- +1.86M
- Change %
- +18.68%
- Filing
- Mar 31, 2026
Increased
MORGAN STANLEY
Rank #9
1.28%
- Shares
- 7.67M
- Change
- -3.62M
- Change %
- -32.03%
- Filing
- Mar 31, 2026
Decreased
MARSHALL WACE
Rank #10
1.20%
- Shares
- 7.19M
- Change
- +7.14M
- Change %
- —
- Filing
- Mar 31, 2026
Increased
DEFIANCE ETFS
Rank #11
1.04%
- Shares
- 6.22M
- Change
- +6.22M
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
BNP PARIBAS FINANCIAL MARKETS
Rank #12
0.90%
- Shares
- 5.43M
- Change
- +924.50K
- Change %
- +20.51%
- Filing
- Mar 31, 2026
Increased
DISCIPLINED GROWTH INVESTORS INC
Rank #13
0.83%
- Shares
- 4.99M
- Change
- -4.65M
- Change %
- -48.25%
- Filing
- Mar 31, 2026
Decreased
WELLS FARGO & COMPANY
Rank #14
0.83%
- Shares
- 4.97M
- Change
- +1.86M
- Change %
- +59.59%
- Filing
- Mar 31, 2026
Increased
NORGES BANK
Rank #15
0.78%
- Shares
- 4.67M
- Change
- +1.60M
- Change %
- +52.05%
- Filing
- Dec 31, 2025
Increased
JANE STREET GROUP
Rank #16
0.74%
- Shares
- 4.42M
- Change
- +4.29M
- Change %
- +33.68%
- Filing
- Mar 31, 2026
Increased
NORTHERN TRUST CORP
Rank #17
0.72%
- Shares
- 4.34M
- Change
- -60.84K
- Change %
- -1.38%
- Filing
- Mar 31, 2026
Decreased
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
Rank #18
0.69%
- Shares
- 4.16M
- Change
- +108.65K
- Change %
- +2.68%
- Filing
- Mar 31, 2026
Increased
DIMENSIONAL FUND ADVISORS LP
Rank #19
0.68%
- Shares
- 4.08M
- Change
- +111.39K
- Change %
- +2.81%
- Filing
- Mar 31, 2026
Increased
LEGAL & GENERAL GROUP PLC
Rank #20
0.66%
- Shares
- 3.98M
- Change
- +22.43K
- Change %
- +57.00%
- Filing
- Mar 31, 2026
Increased
| # | Institution | % held | Shares | Change | Change % | Filing date |
|---|---|---|---|---|---|---|
| 1 | 11.3% | 68.03M | -816.73K Decreased | -1.19% | Dec 31, 2025 | |
| 2 | 7.22% | 43.36M | +1.73M Increased | +4.15% | Mar 31, 2026 | |
| 3 | 5.48% | 32.89M | +32.89M Initiated | — | Mar 31, 2026 | |
| 4 | 4.93% | 29.57M | +29.57M Initiated | — | Mar 31, 2026 | |
| 5 | 3.67% | 22.02M | -132.45K Decreased | -60.00% | Mar 31, 2026 | |
| 6 | 2.36% | 14.16M | +347.43K Increased | +2.52% | Mar 31, 2026 | |
| 7 | 2.01% | 12.07M | +4.66M Increased | +62.92% | Mar 31, 2026 | |
| 8 | 1.97% | 11.81M | +1.86M Increased | +18.68% | Mar 31, 2026 | |
| 9 | 1.28% | 7.67M | -3.62M Decreased | -32.03% | Mar 31, 2026 | |
| 10 | MARSHALL WACE | 1.20% | 7.19M | +7.14M Increased | — | Mar 31, 2026 |
| 11 | DEFIANCE ETFS | 1.04% | 6.22M | +6.22M Initiated | — | Mar 31, 2026 |
| 12 | BNP PARIBAS FINANCIAL MARKETS | 0.90% | 5.43M | +924.50K Increased | +20.51% | Mar 31, 2026 |
| 13 | DISCIPLINED GROWTH INVESTORS INC | 0.83% | 4.99M | -4.65M Decreased | -48.25% | Mar 31, 2026 |
| 14 | WELLS FARGO & COMPANY | 0.83% | 4.97M | +1.86M Increased | +59.59% | Mar 31, 2026 |
| 15 | 0.78% | 4.67M | +1.60M Increased | +52.05% | Dec 31, 2025 | |
| 16 | JANE STREET GROUP | 0.74% | 4.42M | +4.29M Increased | +33.68% | Mar 31, 2026 |
| 17 | 0.72% | 4.34M | -60.84K Decreased | -1.38% | Mar 31, 2026 | |
| 18 | 0.69% | 4.16M | +108.65K Increased | +2.68% | Mar 31, 2026 | |
| 19 | 0.68% | 4.08M | +111.39K Increased | +2.81% | Mar 31, 2026 | |
| 20 | 0.66% | 3.98M | +22.43K Increased | +57.00% | Mar 31, 2026 |
Showing 20 of 120 matching institutional rows.Load more institutions
Recent insider transactions
Super Micro Computer Inc (SMCI) Form 4 filings
Action codes are translated so open-market buys and sales are separate from awards, gifts, conversions, and tax withholding.
LIU, LIANG CHIU-CHU SARA
Director, 10% Owner
- Shares
- 340.00K
- % company
- 0.06%
- Price
- Not reported
- Value
- Not reported
Filed May 26, 2026
LIANG, CHARLES
Director, President and CEO, 10% Owner
- Shares
- 340.00K
- % company
- 0.06%
- Price
- Not reported
- Value
- Not reported
Filed May 26, 2026
WEIGAND, DAVID E
SVP, Chief Financial Officer
- Shares
- 1.49K
- % company
- <0.01%
- Price
- Not reported
- Value
- Not reported
Filed May 10, 2026
CHEUNG, KENNETH
SVP, Chief Accounting Officer
- Shares
- 1.25K
- % company
- <0.01%
- Price
- No cash value
- Value
- No cash value
Filed May 10, 2026
WEIGAND, DAVID E
SVP, Chief Financial Officer
- Shares
- 962
- % company
- <0.01%
- Price
- $35.37
- Value
- $34,026
Filed May 10, 2026
WEIGAND, DAVID E
SVP, Chief Financial Officer
- Shares
- 1.49K
- % company
- <0.01%
- Price
- No cash value
- Value
- No cash value
Filed May 10, 2026
WEIGAND, DAVID E
SVP, Chief Financial Officer
- Shares
- 535
- % company
- <0.01%
- Price
- $35.37
- Value
- $18,923
Filed May 10, 2026
CLEGG, DON W
SVP, Worldwide Sales
- Shares
- 1.29K
- % company
- <0.01%
- Price
- No cash value
- Value
- No cash value
Filed May 10, 2026
CLEGG, DON W
SVP, Worldwide Sales
- Shares
- 1.02K
- % company
- <0.01%
- Price
- No cash value
- Value
- No cash value
Filed May 10, 2026
XIAO, JIN
Sr. Corporate VP, Engineering
- Shares
- 1.47K
- % company
- <0.01%
- Price
- $35.37
- Value
- $52,029
Filed May 10, 2026
XIAO, JIN
Sr. Corporate VP, Engineering
- Shares
- 4.10K
- % company
- <0.01%
- Price
- No cash value
- Value
- No cash value
Filed May 10, 2026
XIAO, JIN
Sr. Corporate VP, Engineering
- Shares
- 707
- % company
- <0.01%
- Price
- $35.37
- Value
- $25,007
Filed May 10, 2026
| # | Insider | % company | Action | Shares | Price | Value | Filing date |
|---|---|---|---|---|---|---|---|
| 1 | LIU, LIANG CHIU-CHU SARA Director, 10% Owner | 0.06% | Sale to issuer | 340.00K | Not reported | Not reported | May 26, 2026 |
| 2 | LIANG, CHARLES Director, President and CEO, 10% Owner | 0.06% | Sale to issuer | 340.00K | Not reported | Not reported | May 26, 2026 |
| 3 | WEIGAND, DAVID E SVP, Chief Financial Officer | <0.01% | Sale to issuer | 1.49K | Not reported | Not reported | May 10, 2026 |
| 4 | CHEUNG, KENNETH SVP, Chief Accounting Officer | <0.01% | Award / grant | 1.25K | No cash value | No cash value | May 10, 2026 |
| 5 | WEIGAND, DAVID E SVP, Chief Financial Officer | <0.01% | Sale to issuer | 962 | $35.37 | $34,026 | May 10, 2026 |
| 6 | WEIGAND, DAVID E SVP, Chief Financial Officer | <0.01% | Award / grant | 1.49K | No cash value | No cash value | May 10, 2026 |
| 7 | WEIGAND, DAVID E SVP, Chief Financial Officer | <0.01% | Sale to issuer | 535 | $35.37 | $18,923 | May 10, 2026 |
| 8 | CLEGG, DON W SVP, Worldwide Sales | <0.01% | Award / grant | 1.29K | No cash value | No cash value | May 10, 2026 |
| 9 | CLEGG, DON W SVP, Worldwide Sales | <0.01% | Award / grant | 1.02K | No cash value | No cash value | May 10, 2026 |
| 10 | XIAO, JIN Sr. Corporate VP, Engineering | <0.01% | Sale to issuer | 1.47K | $35.37 | $52,029 | May 10, 2026 |
| 11 | XIAO, JIN Sr. Corporate VP, Engineering | <0.01% | Award / grant | 4.10K | No cash value | No cash value | May 10, 2026 |
| 12 | XIAO, JIN Sr. Corporate VP, Engineering | <0.01% | Sale to issuer | 707 | $35.37 | $25,007 | May 10, 2026 |
Showing 12 of 120 matching Form 4 rows. Percent of company uses current shares outstanding when available.Load more insiders
Frequently asked
Common questions.
Who are the largest SMCI shareholders?
VANGUARD GROUP INC is the largest institutional holder in the loaded SMCI ownership feed, with 68.03 million shares, or about 11.33% of shares outstanding. The table ranks additional institutions by reported share count.
What is institutional ownership of SMCI?
The current TECHi snapshot has 120 loaded institutional rows for Super Micro Computer Inc. 71 rows are marked increased or initiated, while 49 rows are marked decreased, with the latest holder filing dated Mar 31, 2026.
Where can I see Super Micro Computer Inc insider transactions?
The insider transaction table currently shows 120 loaded Form 4 rows for SMCI, with the latest insider filing dated May 26, 2026. It separates purchases, sales, option exercises, awards, gifts, and tax withholding so administrative transactions are not confused with open-market trades.
Are SMCI insiders buying or selling?
The loaded SMCI Form 4 rows currently read Net selling: 72 sale rows and 0 purchase rows. Awards, gifts, conversions, and tax withholding are shown separately because they do not carry the same signal as open-market buying or selling.
Who is the most active SMCI insider in the loaded filings?
LIU, LIANG CHIU-CHU SARA is the most active insider by absolute share movement in the loaded SMCI rows, with 424,930 shares moving across the visible filing history. Review the action labels before treating that activity as buying or selling.