May 25, 2023 · OpenAI CEO Sam Altman is an avid startup investor, having backed nearly 100 companies over the years. Here are the 12 notable startups that count him as an investor.

Jan 5, 2025 · What are some of Sam Altman’s most notable investments? Some of Altman’s most notable investments include Airbnb, Stripe, Reddit, DoorDash, OpenAI, SpaceX, Machine Zone, Boom Supersonic, Modern Meadow, and Worldcoin, among others.

Sam Altman has made numerous investments in companies like Helion, Boom Supersonic, and Exowatt within the Alternative Energy Equipment, Aerospace and Defense, and Energy Production industries. What has Sam Altman invested in recently?

Jan 3, 2025 · From artificial intelligence to biotechnology and beyond, Altman’s investment portfolio as well as the companies he’s founded reflect a strategic and forward-thinking approach to innovation. 1. OpenAI: Pioneering artificial general intelligence. Arguably one of the most notable ventures associated with Sam Altman is OpenAI.

Mar 31, 2024 · Probably the best known of Altman's investments is Reddit (RDDT 4.03%). The social media company revealed Altman to be a major investor in its initial pubic offering (IPO) paperwork. His...

Feb 19, 2023 · OpenAI CEO Sam Altman has invested in lots of tech and energy companies. He was the lead investor in rounds for companies like Reddit, Helion Energy, and Asana. He also invested in Neuralink, the...

Jan 31, 2025 · Sam Altman has invested in 59 companies. Their most recent investment was in Roboflow (Series B Round) on Aug 09, 2024. Want to explore profiles similar to Sam Altman? Let us walk you through our investor database and other offerings. Sam Altman has 18 Portfolio Exits. The most notable exits are Airbnb, Reddit, Instacart and Codecademy.

Dec 14, 2023 · In November 2021, Sam Altman contributed $375M to nuclear fusion startup Helion ’s $500M Series E raise — his largest personal investment to date. Altman wrote on his blog at the time of the investment: “Helion is by far the …

Jan 3, 2025 · In this article, we’ll explore some of Sam Altman’s top investments, analyzing the success stories and the inevitable failures that come with the dynamic world of venture capital. Before delving into Altman’s investments, it’s crucial to understand his journey and the role he plays in the startup ecosystem.

In November 2021, Sam Altman contributed $375M to nuclear fusion startup Helion’s $500M Series E raise — his largest personal investment to date. Altman wrote on his blog at the time of the investment: “Helion is by far the most promising approach to fusion I’ve seen.”