Arguably, Toy R Us... it looks like Bain and its partners put down about 20% of their own money towards the purchase. However, there has been no IPO since that

Arguably, Toy R Us... it looks like Bain and its partners put down about 20% of their own money towards the purchase. However, there has been no IPO since that purchase, and they will likely lose most if not all of that investment, so I don't think even that fits the pattern.