Marc Andreessen

Marc Andreessen is a U.S.-based billionaire in finance, born in 1971 and located in California, with an estimated net worth of ~$1.9B. Federal Election Commission records show very large political giving in 2025 totaling $27,764,234, with most dollars categorized as “Unknown” party in the dataset. SEC EDGAR records also show frequent insider-reporting activity under his name, with 231 insider filings on record. RTB FEC SEC EDGAR

Business & SEC Activity

SEC EDGAR lists Marc L Andreessen with a personal CIK (0001160077) and 231 insider filings, including recent Forms 3 and 4. Form 3 is an initial statement that someone has become an insider at a public company, and Form 4 reports subsequent changes in insider ownership (such as buys, sells, or option-related transactions). The EDGAR entity results also associate him with companies including Pinterest (PINS), Okta (OKTA), DigitalOcean (DOCN), Accolade (ACCD), and Maplebear/Instacart (CART). SEC EDGAR

Philanthropy

ProPublica nonprofit filings list the Marc And Laura Andreessen Foundation (Palo Alto, CA) with $239,590 in total assets in tax year 2023 and $0 in grants paid, alongside $3,187 in total revenue and $4,190 in total expenses. A second entity, the Marc And Laura Andreessen Art Foundation (Los Altos, CA), is listed with $0 assets and $0 grants paid in the available data. Across the listed foundations, total grants paid are $0 and total foundation assets are $239,590. ProPublica 990

Political Activity

FEC data shows 100 contributions from 2025-02-20 to 2025-12-30 totaling $27,764,234. The top recipients by amount were LEADING THE FUTURE ($12,500,000), FAIRSHAKE ($11,900,000), MAGA INC. ($2,500,000), NRSC ($150,000), and SLF PAC ($125,000). The party breakdown in the dataset is heavily “Unknown” ($27,468,784), with smaller amounts labeled Republican ($281,784) and Democratic ($13,666). FEC