A philanthropic fundraising race targeting future AI tycoons has begun in Silicon Valley ahead of the IPOs of Anthropic and OpenAI, with a wave of charitable assets estimated at hundreds of billions of dollars expected. Although the wealth has not yet materialized, some of the nearly 2 million charities across the U.S. are vying for attention through email blasts, social infiltration, and preemptive hiring. Employees at OpenAI and Anthropic currently receive up to 20 fundraising emails per week, and staffers are embedding themselves in San Francisco's tech social circles. Ryan Carrier of ForHumanity stated he is trying every avenue to enter social scenes around tech IPOs, saying, "I need to get into that room." Bo Young Lee of AI4ALL is leveraging event exposure and co-founder Fei-Fei Li's network. Some charities have job postings requiring "building relationships with Anthropic employees," and many non-profits have expanded fundraising teams. Nan Ransohoff of Stripe estimates the two IPOs could generate approximately $370 billion in new philanthropic assets, equivalent to roughly 60% of total individual charitable giving in the U.S. for all of 2025. OpenAI's non-profit entity, the OpenAI Foundation, holds roughly 26% of shares in OpenAI Group. Anthropic's seven co-founders have pledged to donate 80% of their personal wealth, and the company has an equity donation matching program with a match ratio as high as 3:1, up