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Supermicro SMCI

Supermicro is the 389th largest S&P 500 company by market cap, worth $21.6 billion. 8 directors have filed with the SEC in the last 12 months (who counts), 1 of them an executive. 5 other officers are on file. At 30 Jun 2026, Vanguard was its largest institutional holder, with 12.5% of the company.

CEO
Charles Liang
Sector
Information Technology
Sub-industry
Technology Hardware, Storage & Peripherals
Headquarters
San Jose, California
Founded
1993
More
Wikipedia
Market cap
$21.6B
389th largest, 23 Oct 2026 close
Revenue
$39.1B
Fiscal year 2026
Price to sales
0.6
Market cap over revenue
Employees
7,000
10-K, 30 Jun 2026
Market cap per employee
$3.1M
Market cap over employees
Connections
0
S&P 500 companies sharing a director or officer

Largest institutional holders

Each fund group's share of Supermicro. Where a company has several share classes, the share is of its total value.

13F filings for the quarter to 30 Jun 2026

These five hold 33.3% of Supermicro.

Source: SEC Form 13F data sets, SEC XBRL shares outstanding 路 All holders

Board and officers

Roles filed up to 30 Sep 2026

NameTitle
Directors (8)
Charles LiangPresident and CEOPresident and CEO
Scott AngelDirectorDirector
Robert L. BlairDirectorDirector
Judy L. LinDirectorDirector
Liang Chiu-Chu Sara LiuDirectorDirector
Tally C. LiuDirectorDirector
Susan MogensenDirectorDirector
Sherman TuanDirectorDirector
Officers (5)
David E. WeigandSVP, Chief Financial OfficerLast filed 31 Aug 2026SVP, Chief Financial Officer
Kenneth CheungSVP, Chief Accounting OfficerLast filed 19 Aug 2026SVP, Chief Accounting Officer
Vikranth MalyalaSVP, Chief Business OfficerLast filed 31 Aug 2026SVP, Chief Business Officer
Matthew ThaubergerChief Revenue OfficerLast filed 19 Aug 2026Chief Revenue Officer
Jin XiaoSr. Corporate VP, EngineeringLast filed 31 Aug 2026Sr. Corporate VP, Engineering

Source: SEC insider filings (Forms 3, 4 and 5), Supermicro's Form 4 filings 路 All directors and officers

Supermicro's market cap since May 2009

Weekly, up to 23 Oct 2026

Show equal percentage changes as equal steps.
201020122014201620182020202220242026$21.6B

Source: Yahoo Finance closing prices, SEC XBRL shares outstanding

Workforce

Headcount at 30 Jun 2026

Employees
7,000
As of June 30, 2026, we employed over 7,000 employees, consisting of approximately 3,500 employees engaged in research and development, approximately 800 engaged in sales and marketing, approximately 600 engaged in general and administrative, and approximately 2,100 engaged in manufacturing.
Supermicro Form 10-K

Source: Supermicro Form 10-K

Insider trades

Open-market buys and sales by directors and officers. Grants, option exercises and shares withheld for tax are left out.

Trades from 30 Sep 2025 to 30 Sep 2026

Directors and officers sold $18.9 million of stock in 6 sales and made no open-market purchases in the 12 months to 30 Sep 2026.

DatePersonTitleTypeSharesValue
4 Sep 2026SaleLiang Chiu-Chu Sara LiuDirectorDirectorSale100,000$4.0M
4 Sep 2026SaleCharles LiangPresident and CEOPresident and CEOSale100,000$4.0M
3 Sep 2026SaleLiang Chiu-Chu Sara LiuDirectorDirectorSale100,000$3.7M
3 Sep 2026SaleCharles LiangPresident and CEOPresident and CEOSale100,000$3.7M
26 Nov 2025SaleSherman TuanDirectorDirectorSale48,630$1.6M
24 Nov 2025SaleGeorge KaoSVP, OperationsSVP, OperationsSale56,904$1.9M

Source: SEC insider transactions data sets, Supermicro's Form 4 filings

Trades by members of Congress and officials

Trades members of Congress and senior executive branch officials disclosed, including their families'. Amounts are filed as ranges.

Trades from 20 Oct 2023 to 20 Oct 2026

7 people disclosed 11 purchases and 13 sales of Supermicro stock since October 2023.

DateMember or officialTypeAmount
28 Aug 2026Donald J Trump (President)President 路 BoughtPurchase$15,001 to $50,000$15K to $50K
27 Apr 2026Donald J Trump (President)President 路 SoldSale$50,001 to $100,000$50K to $100K
13 Apr 2026Rohit Khanna (House, D-CA)House, D-CA 路 SoldSale$1,001 to $15,000$1K to $15K
10 Apr 2026Donald J Trump (President)President 路 BoughtPurchase$1,001 to $15,000$1K to $15K
7 Apr 2026Donald J Trump (President)President 路 SoldSale$1,001 to $15,000$1K to $15K
23 Jan 2026Donald J Trump (President)President 路 BoughtPurchase$1,001 to $15,000$1K to $15K
13 Jan 2026Rohit Khanna (House, D-CA)House, D-CA 路 SoldSale$1,001 to $15,000$1K to $15K
31 Dec 2025John Boozman (Senate, R-AR)Senate, R-AR 路 SoldSale$1,001 to $15,000$1K to $15K
11 Dec 2025John Boozman (Senate, R-AR)Senate, R-AR 路 BoughtPurchase$1,001 to $15,000$1K to $15K
5 Dec 2025Rohit Khanna (House, D-CA)House, D-CA 路 SoldSale$1,001 to $15,000$1K to $15K

Showing 10 of 24 trades

Source: House, Senate and OGE disclosures via the Congress trading monitor

Not on file: no director or officer shared with another S&P 500 company and no WARN layoff notices under its own name since October 2023.