As Christiensen revists disruption theory 20 years later in HBR, the idea of favoring new ventures is starting to take off. Here is an article that present 7 incumbents that have created an incubator or accelerator for potential start-ups or spin-offs.
Microsoft’s venture accelerator
Barclay’s bank accelerator
LaPoste in France
Xerox Parc in the 80s
Canadian Tire Digital Garage (inverted)
My rule of thumb would be something like: if you’re big enough to be a household name, you should have another house to hold someone else who’s got game.