> in investments of some sort But he's got most of his investments in one sort, stock in AMZN. It's not a secret that there isn't $150bn of liquidity at the B

> in investments of some sort But he's got most of his investments in one sort, stock in AMZN. It's not a secret that there isn't $150bn of liquidity at the B/A price. If he tried to unload those shares he wouldn't get anywhere close to their calculated value. That's what GP means by "virtual" it exists on paper but any tangible use of that quantity will change it . Not only is there not enough liquidity at that price, but once the market learned he was unloading a substantial quantity the price would become depressed (not sure what the technical term for that is).