Short Interest in SWK Holdings Soars 600% in February SWK Holdings Co. 9.00% Senior Notes due 2027 saw a dramatic 600% rise in short interest during February, jumping from 200 to 1,400 shares by the month's end. Despite this, the stock's performance remains stable, with its price hovering near its annual high of $25.88 and offering a dividend yield of 8.92%.1