Roughly $1 billion in stock is going to Catalyst4, which the billionaire started in 2021 with the dual purpose of supporting research into central nervous system diseases and climate-change solutions.
Sergey Brin gave away more than $1.1 billion worth of Alphabet Inc. stock this week, with most of the money going to a nonprofit the Google co-founder created.
Alphabet is in investor in some of the highest-valued private companies, including SpaceX, Anthropic and Stripe.
Alphabet's shares surged by over 4% in Monday trading.
Google’s cofounders have risen through the ranks of the world’s wealthiest in recent weeks.
Alphabet, Google’s parent, has been an investor in SpaceX since at least 2015, when it joined Fidelity Investments in a $1…
Despite the stellar rally in 2025, Alphabet's valuation remains lower than many of its AI-driven megacap peers.
Google was seen as an AI laggard in the early days of the AI boom, but investors are now betting that the search giant will be a…
