They sold off the last of their stake in ASML in 2004. They also sold off the remainder of their stake in TSMC in 2007. If they had kept both stakes, they'd be

They sold off the last of their stake in ASML in 2004. They also sold off the remainder of their stake in TSMC in 2007. If they had kept both stakes, they'd be worth like $140b instead of $15b.