John Schaeffer

Hahn Capital Management LLC is an investment manager based in San Francisco, CA with $511.5 B in assets under management.

Explore John Schaeffer's largest investments on Profit.com, including companies like Keysight Technologies Inc, Virtu Financial, Inc., and Westinghouse Air Brake Technologies Corp, and their significance in his portfolio.

John Schaeffer’s portfolio updates are typically published quarterly through SEC 13F filings, which provide detailed information about their holdings, including recent buys and sells. Additionally, real-time updates on insider trades are available through Form 4 filings, offering a more timely view of their trading activity.

John Schaeffer currently invests in companies such as Keysight Technologies Inc, Virtu Financial, Inc., and Westinghouse Air Brake Technologies Corp, focusing on sectors like Technology and Financial Services.

The largest holding in John Schaeffer’s portfolio is Keysight Technologies Inc, accounting for 8.04% of their total investments.

One of John Schaeffer’s most profitable investments is Fortrea Holdings Inc., which has generated a return of 67.75% over the past year.

As of 18 Sep 2026, John Schaeffer’s portfolio is valued at approximately $164.93M, based on the latest filings available on Profit.com.

Yes, you can use Profit.com to follow John Schaeffer’s portfolio and gain insights to build your own investment portfolio.

You can follow John Schaeffer’s portfolio updates on Profit.com, which provides notifications on the latest portfolio transactions as soon as they’re available.

Stay up-to-date with John Schaeffer’s latest trades by following their portfolio on Profit.com. Enable notifications to receive real-time alerts on their newest buy and sell transactions.