By Ben Horowitz @bhorowitz At Andreessen Horowitz, we just raised over $15B. With these new funds including American Dynamism ($1.176B), Apps ($1.7B), Bio + Health ($700M), Infrastructure ($1.7B), Growth ($6.75B), and other venture strategies ($3B), we raised over 18% of all venture capital dollars allocated in the United States in 2025. Why did we raise the money and how do we plan to invest it? At a16z, we believe that the best thing that a society can do for a person is to give them a…