Short Position. As a short-seller, you ask yourself "do I cover and take out the ask, before Katy bars the door, or am I barring the door by taking out the ask?" Immunomedics Short Position as of 1/31/17, 22 Million Shares. http://seekingalpha.com/instablog/295897-roland-rick-perry/4958424-short-interest-20-million-shares