Alkermes - ALKS Short Interest Ratio & Short Volume

Short interest is the volume of Alkermes shares that have been sold short but have not yet been closed out or covered. As of February 28th, traders have sold 8,980,000 shares of ALKS short. Learn More on Alkermes' current short interest.

The short interest ratio, also known as the "days to cover ratio", is calculated by dividing the number of shares of a stock sold short divided by its average trading volume. A short interest ratio ranging between 1 and 4 generally indicates strong positive sentiment about a stock and a lack of short sellers. A short interest ratio of 10 or greater indicates strong pessimism about a stock. ALKS shares currently have a short interest ratio of 7.0. Learn More on Alkermes's short interest ratio.

As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Alkermes: Parallax Volatility Advisers L.P., Jane Street Group LLC, Jefferies Financial Group Inc., Susquehanna International Group LLP, Group One Trading L.P., Citigroup Inc., Cutler Group LLC CA, Simplex Trading LLC, and Concourse Financial Group Securities Inc.. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission.

Here is how the short interest of companies in the industry of "pharmaceutical preparations" compare to Alkermes: Madrigal Pharmaceuticals, Inc. (7.43%), Amicus Therapeutics, Inc. (6.40%), Ironwood Pharmaceuticals, Inc. (10.72%), Dynavax Technologies Co. (12.66%), Ligand Pharmaceuticals Incorporated (5.23%), United Therapeutics Co. (2.87%), BioMarin Pharmaceutical Inc. (3.99%), Intra-Cellular Therapies, Inc. (3.47%), Elanco Animal Health Incorporated (2.84%), and Perrigo Company plc (4.18%).

As of the most recent reporting period, the following stocks had the largest short interest positions: Suncor Energy Inc. ($3.27 billion), Occidental Petroleum Co. ($2.77 billion), Coinbase Global, Inc. ($2.25 billion), T. Rowe Price Group, Inc. ($2.23 billion), Paramount Global ($1.92 billion), Etsy, Inc. ($1.75 billion), Voya Financial, Inc. ($1.74 billion), CarMax, Inc. ($1.62 billion), Old Dominion Freight Line, Inc. ($1.62 billion), and Royal Caribbean Cruises Ltd. ($1.39 billion). View all of the most shorted stocks.

Short selling ALKS is an investing strategy that aims to generate trading profit from Alkermes as its price is falling. ALKS shares are trading down $0.08 today. To short a stock, an investor borrows shares, sells them and buys the shares back on the public market later to return it to the lender. Short sellers are betting that a stock will decline in price. If the stock does drop after selling, the short seller buys it back at a lower price and returns it to the lender. The difference between the sell price and the buy price is the trader's profit.

A short squeeze for Alkermes occurs when it has a large amount of short interest and its stock increases in price. This forces short sellers to cover their short interest positions by buying actual shares of ALKS, which in turn drives the price of the stock up even further.

Short interest is typically published by a stock exchange once per month. However, NASDAQ publishes a report for U.S. stocks, including ALKS, twice per month. The most recent reporting period available is February, 28 2023.