The institutions to which you refer are the owners of the short shares as well. Some of our retail followers have trouble getting their minds wrapped around the concept but, over 80% of the time, these guys are flat; they have the same number of shares in their long account as they have short in their short account. At such times as they wish to actually take a bias in their position, they have one of two choices:
1) Move some or all of their long shares into their short account, neutralizing the portion thereof.
2) Selling their long shares on the open market - causing a net short postion.
3) Borrowing shares to add to the short account. (This choice is not currently available as there are no shares left to borrow).
The institutions hold both sides to enable their ability to go short without the need to locate and borrow shares - often times for extortion level fees.
I hear that! I told my PC Doc that I wanted CG and he laughed and asked me what it was. His response was that it's probably tied to some kind of stock scam, that it was not being used by the doctors at his rather large LA medical group nor would it likely ever be. They're firm believers in Colonoscopy - the one stop shop! Not that I agree, but it was a rather disheartening experience knowing that we shareholders are forking over hundreds of millions to market this stuff and a doctor who sees 10's of thousands in his group practice doesn't know of or condone CG. Kevin! Where are your salespeople? Are they doing anything more than "lunch" with each other?