...or whatever your friends have registered for in lieu of a KitchenAid Artisan Stand Mixer and towels.
Facilitating these registries is a start-up called Shareswell, which was started by a Columbia MBA named Emily Washkowitz. The site allows anyone with a brokerage account to receive stock gifts in lieu of graduation presents, baby shower trinkets, or birthday gifts. (Though a casual search through the site's registries hints that it's mainly being used for weddings.)
*Bill Ackman is going to start giving "Name Your Own Strike Price" Herbalife Put Options to every young couple he knows.