Steven A Ballmer - Net Worth and Insider Trading
Steven A Ballmer Net Worth
The estimated net worth of Steven A Ballmer is at least $161.0 Billion dollars as of 2026-08-21. Steven A Ballmer is the CEO of Microsoft Corp and owns about 333,252,990 shares of Microsoft Corp (MSFT) stock worth over $161.0 Billion. Details can be seen in Steven A Ballmer's Latest Holdings Summary section.
Disclaimer: The insider information is derived from SEC filings. The estimated net worth is based on the final shares held after open market or private purchases and sales of common stock with a transaction code of "P" or "S" on Form 4, assuming that Steven A Ballmer has not made any transactions after 2010-11-23 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.
Transaction Summary of Steven A Ballmer
Steven A Ballmer Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Steven A Ballmer owns 2 companies in total, including Microsoft Corp (MSFT) , and Stagwell Inc (STGW) .
Click here to see the complete history of Steven A Ballmer’s form 4 insider trades.
Insider Ownership Summary of Steven A Ballmer
| Ticker | Company | Transaction Date | Type of Owner |
|---|---|---|---|
| MSFT | Microsoft Corp | 2010-11-23 | director & Chief Executive Officer |
| STGW | Stagwell Inc | 2025-04-04 | 10 percent owner |
Steven A Ballmer Latest Holdings Summary
Steven A Ballmer currently owns a total of 1 stock. Steven A Ballmer owns 333,252,990 shares of Microsoft Corp (MSFT) as of November 23, 2010, with a value of $161.0 Billion.
Latest Holdings of Steven A Ballmer
| Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
|---|---|---|---|---|---|
| MSFT | Microsoft Corp | 2010-11-23 | 333,252,990 | 483.24 | 161,041,174,888 |
Holding Weightings of Steven A Ballmer
Steven A Ballmer Form 4 Trading Tracker
According to the SEC Form 4 filings, Steven A Ballmer has made a total of 0 transactions in Microsoft Corp (MSFT) over the past 5 years. The most-recent trade in Microsoft Corp is the sale of 8,143,171 shares on November 23, 2010, which brought Steven A Ballmer around $207 Million.
Insider Trading History of Steven A Ballmer
* The information on this page (including Insider Trading Shares, Share Changes, Cost, etc.) is sourced exclusively from Form 4 filings and does not incorporate any data from 13F or 13D/G filings. As a result, it may differ from the values shown on the Guru page.
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Steven A Ballmer Trading Performance
Steven A Ballmer Ownership Network
Ownership Network List of Steven A Ballmer
Ownership Network Relation of Steven A Ballmer
Steven A Ballmer Owned Company Details
What does Microsoft Corp do?
Who are the key executives at Microsoft Corp?
Steven A Ballmer is the director & Chief Executive Officer of Microsoft Corp. Other key executives at Microsoft Corp include EVP & Chief Commercial Officer Judson Althoff , EVP & Chief Marketing Officer Takeshi Numoto , and EVP & Chief Human Resources Off Amy Coleman .
Microsoft Corp (MSFT) Insider Trades Summary
Over the past 18 months, Steven A Ballmer made no insider transaction in Microsoft Corp (MSFT). Other recent insider transactions involving Microsoft Corp (MSFT) include a net sale of 23,510 shares made by Takeshi Numoto , a net sale of 119,500 shares made by Bradford L Smith , and a net sale of 54,250 shares made by Judson Althoff .
In summary, during the past 3 months, insiders sold 37,310 shares of Microsoft Corp (MSFT) in total and bought 0 shares, with a net sale of 37,310 shares. During the past 18 months, 398,633 shares of Microsoft Corp (MSFT) were sold and 8,842 shares were bought by its insiders, resulting in a net sale of 389,791 shares.
Microsoft Corp (MSFT)'s detailed insider trading history can be found in Insider Trading Tracker table.
Microsoft Corp Insider Transactions
Steven A Ballmer Mailing Address
Above is the net worth, insider trading, and ownership report for Steven A Ballmer. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Steven A Ballmer's mailing address is: Bellevue Wa 98009.
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