Super Micro Computer, Inc.
Super Micro Computer, Inc. (SMCI) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · SMCI · as of Sep 30, 2025
Ownership Breakdown
954
Institutional Holders
▲ 23 vs Q2
$17.84B
Total Inst. Value
▲ $2.94B vs Q2
601.42M
Shares Outstanding
freeFloat 83.54%
319.62M
13F Shares Held
▲ 15.36M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
SMCI largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC electronic computers | 68.85M | 11.52% | 11.52% | $3.30T | Nov 7, 2025 | ▲ 2.70M |
BLACKROCK, INC. electronic computers | 40.59M | 6.79% | 6.79% | $1.95T | Nov 12, 2025 | ▲ 567.3K |
STATE STREET CORP electronic computers | 22.20M | 3.71% | 3.71% | $1.06T | Nov 14, 2025 | ▼ 300.7K |
SUSQUEHANNA INTERNATIONAL GROUP, LLP electronic computers | 20.08M | 3.36% | 3.36% | $962.82B | Nov 14, 2025 | ▲ 3.38M |
JANE STREET GROUP, LLC electronic computers | 18.57M | 3.13% | 3.13% | $890.22B | Nov 14, 2025 | ▲ 796.6K |
TOROSO INVESTMENTS, LLC electronic computers | 15.05M | 2.52% | 2.52% | $721.66B | Nov 14, 2025 | ▲ 14.96M |
JANE STREET GROUP, LLC electronic computers | 13.76M | 2.32% | 2.32% | $659.85B | Nov 14, 2025 | ▲ 5.52M |
GEODE CAPITAL MANAGEMENT, LLC electronic computers | 13.77M | 2.30% | 2.30% | $657.42B | Nov 12, 2025 | ▲ 14.6K |
SUSQUEHANNA INTERNATIONAL GROUP, LLP electronic computers | 12.43M | 2.08% | 2.08% | $595.66B | Nov 14, 2025 | ▲ 787.9K |
CITADEL ADVISORS LLC electronic computers | 11.66M | 1.95% | 1.95% | $558.90B | Nov 14, 2025 | ▼ 3.71M |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
32
Increased
+65.26M shares2
New Positions
first time holders16
Decreased
−14.82M shares0
Sold Out
fully exitedNet shares change (top 50)
+50.44M
+65.26M / −14.82M
Net new holders
+18
2 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
SMCI insider trading · insider activity
Source: SEC Form 4
15
Buy transactions
24
Sell transactions
0.63
Buy/Sell ratio
$1M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Liang Charles President and CEO | May 26, 2026 | Gift | 340,000 | — | — | 25.33M | Form 4 ↗ |
Liu Liang Chiu-Chu Sara
| May 26, 2026 | Gift | 340,000 | — | — | 25.33M | Form 4 ↗ |
WEIGAND DAVID E SVP, Chief Financial Officer | May 10, 2026 | Tax Withhold | 535 | $35.37 | $18.9K | 117.9K | Form 4 ↗ |
WEIGAND DAVID E SVP, Chief Financial Officer | May 10, 2026 | Tax Withhold | 962 | $35.37 | $34.0K | 117.0K | Form 4 ↗ |
WEIGAND DAVID E SVP, Chief Financial Officer | May 8, 2026 | Award | 30,622 | $35.37 | $1.08M | 30.6K | Form 4 ↗ |
WEIGAND DAVID E SVP, Chief Financial Officer | May 8, 2026 | Award | 13,780 | — | — | 13.8K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Super Micro Computer, Inc. (SMCI) is primarily owned by institutional investors, who hold approximately 53.1% of total shares outstanding. Company insiders own approximately 16.46%, while retail and public investors account for the remaining 30.40%.
The largest institutional shareholder of Super Micro Computer, Inc. is VANGUARD GROUP INC, holding approximately 68.85 million shares — equal to 11.52% of outstanding shares — as of September 30, 2025.
A total of 954 institutional investors currently hold SMCI stock, with a combined institutional value of approximately $17.84 billion as of the most recent 13F filing period.
Frequently asked questions
SMCI ownershipSuper Micro Computer, Inc. (SMCI) is primarily owned by institutional investors, who hold approximately 53.1% of shares. The largest shareholder is VANGUARD GROUP INC with a 11.52% stake. Company insiders hold 16.46%. Data sourced from SEC Form 13F as of September 30, 2025.