Mass. residents on Forbes list of the 400 richest Americans

Forbes has published its annual rankings of the richest people in America, and for the 20th year in a row, Bill Gates has been named the richest person in the United States. The founder of Microsoft has a net worth of $72 billion, Forbes said.

Other people topping the list are investor Warren Buffet, with a fortune of $58.5 billion, and Larry Ellison, co-founder and chief executive officer of Oracle Corp., a computer technology company. Forbes lists Ellison’s net worth as $41 billion.

The list also includes a number of Massachusetts residents and, one who is considered to be a fixture in Boston. Find out who made the list.

Phillip Ragon

Net worth: $1.5 billion

Overall rank: 352

Age: 64

Residence:Boston

Ragon founded InterSystems in 1978 and built it to a company that posted $443 million in revenues in 2012. He and his wife, Susan, have established the Ragon Institute of Massachusetts General Hospital, Harvard, and MIT, to pursue the development of an HIV vaccine, Forbes reported.

Shown: Phillip and Susan M. Ragon, center, toured the MGH lab in Charlestown of Dr. Bruce Walker in 2009.

John W. Henry

Net worth: $1.7 billion

Overall rank: 327

Age: 64

Residence:Brookline, and Boca Raton, Fla.

Forbes lists Henry’s residence as Florida even as the Boston Red Sox owner strengthens his ties to Massachusetts. In August, Henry entered into a deal to purchase The Boston Globe and its business affiliates from the New York Times for $70 million. Henry’s Fenway Sports Group also owns Liverpool Football Club, a majority stake in the regional sports channel New England Sports Network, a NASCAR racing team, and a sports marketing operation. He shut his shrinking commodities firm last year.

Robert Kraft

Net worth: $2.9 billion

Overall rank: 184

Age: 72

Residence:Brookline

Forbes reported in August that the Patriots are the second-most valuable team in football with a worth of $1.8 billion. In the last year, the team’s value has also increased by 10 percent, Forbes said.

On the other side of the coin, news about the Patriots has been dominated since June by the arrest of former tight end Aaron Hernandez, who is accused of murdering an associate in June. Hernandez, who signed a $40 million contract extension last year, has pleaded not guilty to all charges.

Amos Hostetter Jr.

Net worth: $2.9 billion

Overall rank: 184

Age: 76

Residence:Boston

Hostetter founded Continental Cablevision in 1963, and made his fortune when he sold his stake in the company in the 1990s.

The Barr Foundation, a charitable organization that Hostetter founded with his wife, Barbara, has made a name for itself in giving gifts to support efforts to fight climate change.

Jim Davis and family

Net worth: $3.1 billion

Overall rank: 161

Age: 70

Residence: Newton

Davis bought New Balance in 1972, and turned it an operation that employs 4,000 worldwide and boasts of being the only major company making athletic footwear in the United States. Davis currently serves as chairman of the company.

New Balance set a groundbreaking for Sept. 23 for its $500 million “Boston Landing’’ development project in Brighton. The plans call for a new headquarters, sports complex, hotel, and up to three office buildings along with space for retail, restaurant, recreation, and parking. The company also plans to pay to build a new commuter rail station on the Framingham-Worcester line tracks that abut the site and run parallel to the Massachusetts Turnpike.

Davis and Cruiseport Gloucester’s Sheree DeLorenzo are also developing a $25 million, full-story, 101-room waterfront hotel in downtown Gloucester.

Edward Johnson III

Net worth: $9.3 billion

Overall rank: 44

Age: 83

Residence: Boston

Johnson is chairman and chief executive officer of Fidelity Investments. His father founded the company about 65 years ago. It is now the second largest mutual fund company in the United States, Forbes reported. His daughter, Abigail, is seen as his likely successor.

Abigail Johnson

Net worth: $17.2 billion

Overall rank: 23

Age: 51

Residence: Milton

Johnson is the daughter of Edward Johnson III, the chief executive and chairman of Fidelity Investments. In August 2012, Abigail Johnson was given a new title, president of Fidelity Financial Services. She is widely considered to succeed her father as head of the Boston-based investment giant.