Newhouse controls Advance Publications, a closely held media company. The New York-based business has newspapers in more than two dozen American cities, as well as interests in cable TV distribution and programming. Through Conde Nast, it publishes magazines that include Vanity Fair and the New Yorker.
The majority of Newhouse's fortune is derived from US media assets he controlled with his late brother Si. The bulk of their wealth came from the $10.4 billion sale of cable operator Bright House Networks to publicly traded Charter Communications in May 2016. From the sale, the brothers received 31 million Class B common units, more than $2 billion in convertible preferred shares and $2 billion in cash.
The fortune is controlled through closely held partnerships that don't disclose individual ownership stakes. The analysis assumes the wealth was split evenly between the two and that Si Newhouse's half was passed to his estate upon his death in 2017.
The Advance/Newhouse Partnership reported owning 18.8 million shares of Charter in an August 2025 schedule 13D filing.
It disclosed owning 98.2 million shares of television and digital media company Warner Bros. Discovery in a June 2025 schedule 13D filing.
Advance Magazine Publishers owns 42.2 million shares in Reddit Inc., according to the social media company's 2025 proxy statement.
Conde Nast revenue is calculated at about $1.8 billion in 2024, using the company's print revenue as reported by Privco in 2016 and the performance of peer companies Gannet Co. Inc and The New York Times Company. A 15% liquidity discount is applied due to uncertainty about future cash flows.
Advance Publications revenue was estimated at $1.8 billion in a June 2024 market research report by research firm IBISWorld.
Media representatives at Advance didn't respond to emails requesting comment on the net worth calculation in February 2024.
Donald Newhouse was born into a media empire that his father, Sam, started with the purchase of an ailing newspaper in Staten Island in 1922. He turned it around and built the Advance newspaper chain into one of the largest in the US. Donald attended Horace Mann private boys school in the Bronx.
Donald and his older brother, Si, both dropped out of Syracuse University so they could begin their business careers. Donald met his wife, Susan Marley, while a student there. They were married in 1955.
After his father's death in 1979, Newhouse and his late brother took charge of the family business. Donald ran the newspaper group; Si focused on magazines. The company revived Vanity Fair, bringing in celebrity editors Tina Brown and Graydon Carter, who transformed the glossy into one of the most talked about magazines in the world.
Newhouse has been enduring the downturn in the print publishing business since 2008. The company has closed half a dozen magazines, including old stalwarts such as Gourmet and House & Garden, and have made big cuts on the newspaper side, including reducing the frequency of an award-winning daily broadsheet, the New Orleans Times-Picayune.
He and his wife are art collectors and the named benefactors for the humanities center at Wellesley College.