SpaceX is valued at $36B, times 7.5% would be $2.7B for google's stake. Divide by google's market cap of $973B and you get 0.29%. Investing $100 into Google to

SpaceX is valued at $36B, times 7.5% would be $2.7B for google's stake. Divide by google's market cap of $973B and you get 0.29%. Investing $100 into Google to put 29 cents on SpaceX doesn't seem efficient. SpaceX could double in value, and the effect on the Google stock price would still be indistinguishable from noise.