Here's why:
* Multiple Prizes: Yuri Milner has founded multiple prize programs, such as:
* Breakthrough Prize: Awards recognizing achievements in fundamental physics, life sciences, and mathematics.
* Breakthrough Junior Challenge: A global science video competition for high school students.
* Breakthrough Prize in Fundamental Physics: An annual award for discoveries in fundamental physics.
* Varying Amounts: The prize amounts vary depending on the category, year, and number of recipients.
* No Public Database: There is no publicly available database aggregating the total amount of prize money awarded by all Yuri Milner initiatives.
To answer your question, you need to specify:
* Which prize program are you interested in?
* What time period are you considering?
With this information, you can find the relevant information on the official Breakthrough Prize website or other reliable sources.