Adam Wyden, 26, started the fund under the name ADW Capital Partners LP and runs it from the Washington house that now belongs to his mother, according to a private placement notice filed last month with the U.S. Securities and Exchange Commission. The fund is modeled after theinvestment partnership billionaire Warren Buffett ran in the 1950s and 1960s before acquiring Berkshire Hathaway Inc., Adam Wyden said in an interview.

The younger Wyden, whose father hasn’t invested in the fund, is among thefirst generation of post-crash money managers, many of whom must keep alid on expenses in the face of a difficult money-raising environment. Beforegraduating last year from Columbia University’s business school in New Yorkwith a master’s degree, Adam Wyden worked as an intern at the $19 billion hedge fund founded by David Shaw, a Democratic fundraiser who backed Ron Wyden’s campaigns in 2004 and 2010.

“Right now it’s just me,” Adam Wyden, 26, said when reached at his home in the Palisades neighborhood of Washington, from where he’s been running his $3 million fund since September. “I am the CEO, I am the secretary, and I am the chief marketing officer.” […]