Michael F Mahoney - Net Worth and Insider Trading
Michael F Mahoney Net Worth
The estimated net worth of Michael F Mahoney is at least $82 Million dollars as of 2026-08-22. Michael F Mahoney is the Chairman, President & CEO of Boston Scientific Corp and owns about 1,612,143 shares of Boston Scientific Corp (BSX) stock worth over $81 Million. Michael F Mahoney is also the Director of CVS Health Corp and owns about 6,411 shares of CVS Health Corp (CVS) stock worth over $596,351. Details can be seen in Michael F Mahoney'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 Michael F Mahoney has not made any transactions after 2026-08-03 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.
Transaction Summary of Michael F Mahoney
Michael F Mahoney Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Michael F Mahoney owns 3 companies in total, including Baxter International Inc (BAX) , Boston Scientific Corp (BSX) , and CVS Health Corp (CVS) .
Click here to see the complete history of Michael F Mahoney’s form 4 insider trades.
Insider Ownership Summary of Michael F Mahoney
| Ticker | Company | Transaction Date | Type of Owner |
|---|---|---|---|
| BAX | Baxter International Inc | 2022-05-03 | director |
| BSX | Boston Scientific Corp | 2026-08-03 | President |
| CVS | CVS Health Corp | 2025-02-18 | director |
Michael F Mahoney Latest Holdings Summary
Michael F Mahoney currently owns a total of 2 stocks. Among these stocks, Michael F Mahoney owns 1,612,143 shares of Boston Scientific Corp (BSX) as of August 3, 2026, with a value of $81 Million and a weighting of 99.27%. Michael F Mahoney also owns 6,411 shares of CVS Health Corp (CVS) as of February 18, 2025, with a value of $596,351 and a weighting of 0.73%.
Latest Holdings of Michael F Mahoney
| Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
|---|---|---|---|---|---|
| BSX | Boston Scientific Corp | 2026-08-03 | 1,612,143 | 50.37 | 81,203,643 |
| CVS | CVS Health Corp | 2025-02-18 | 6,411 | 93.02 | 596,351 |
Holding Weightings of Michael F Mahoney
Michael F Mahoney Form 4 Trading Tracker
According to the SEC Form 4 filings, Michael F Mahoney has made a total of 17 transactions in Boston Scientific Corp (BSX) over the past 5 years, including 1 buys and 16 sells. The most-recent trade in Boston Scientific Corp is the acquisition of 186,240 shares on August 3, 2026, which cost Michael F Mahoney around $9 Million.
According to the SEC Form 4 filings, Michael F Mahoney has made a total of 2 transactions in CVS Health Corp (CVS) over the past 5 years, including 2 buys and 0 sells. The most-recent trade in CVS Health Corp is the acquisition of 30,000 shares on February 18, 2025, which cost Michael F Mahoney around $2 Million.
Insider Trading History of Michael F Mahoney
* 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.
- 1
Michael F Mahoney Trading Performance
GuruFocus tracks the stock performance after each of Michael F Mahoney's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Michael F Mahoney is 8.41%. GuruFocus also compares Michael F Mahoney's trading performance to market benchmark return within the same time period. The performance of stocks bought by Michael F Mahoney within 3 months outperforms 2 times out of 4 transactions in total compared to the return of S&P 500 within the same period.
You can select different timeframes to see how Michael F Mahoney's insider trading performs compared to the benchmark.
Performance of Michael F Mahoney
Michael F Mahoney Ownership Network
Ownership Network List of Michael F Mahoney
Ownership Network Relation of Michael F Mahoney

Michael F Mahoney Owned Company Details
What does Baxter International Inc do?
Who are the key executives at Baxter International Inc?
Michael F Mahoney is the director of Baxter International Inc. Other key executives at Baxter International Inc include President & CCS James Teaff , President & Front Line Care Julie Foster , and President & Adv. Surgery Steven P. Wallace .
Baxter International Inc (BAX) Insider Trades Summary
In summary, during the past 3 months, insiders sold 0 shares of Baxter International Inc (BAX) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 0 shares of Baxter International Inc (BAX) were sold and 0 shares were bought by its insiders, resulting in a net sale of 0 shares.
Baxter International Inc (BAX)'s detailed insider trading history can be found in Insider Trading Tracker table.
Baxter International Inc Insider Transactions
Michael F Mahoney Mailing Address
Above is the net worth, insider trading, and ownership report for Michael F Mahoney. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Michael F Mahoney's mailing address is: Marlborough Ma 01752-1234.