Alnylam Pharmaceuticals (ALNY) Short Interest Ratio & Short Volume

Short interest is the volume of Alnylam Pharmaceuticals shares that have been sold short but have not yet been closed out or covered. As of April 15th, traders have sold 2,500,000 shares of ALNY short. Learn More on Alnylam Pharmaceuticals' 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. ALNY shares currently have a short interest ratio of 3.0. Learn More on Alnylam Pharmaceuticals's short interest ratio.

As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Alnylam Pharmaceuticals: Simplex Trading LLC, Portman Square Capital LLP, UBS Group AG, BNP Paribas Financial Markets, Concourse Financial Group Securities Inc., Simplex Trading LLC, and Wolverine Asset Management LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission.

Alnylam Pharmaceuticals saw a drop in short interest during the month of April. As of April 15th, there was short interest totaling 2,500,000 shares, a drop of 10.7% from the previous total of 2,800,000 shares. Changes in short volume can be used to identify positive and negative investor sentiment. Investors that short sell a stock are betting that its price will decline in the future. An increase in short sale volume suggests bearish (negative) sentiment among investors. A decrease on short sale volume suggests bullish (positive) sentiment.

Here is how the short interest of companies compare to Alnylam Pharmaceuticals: BioMarin Pharmaceutical Inc. (1.96%), Royalty Pharma plc (3.74%), United Therapeutics Co. (9.96%), Ionis Pharmaceuticals, Inc. (7.12%), Genmab A/S (0.40%), Teva Pharmaceutical Industries Limited (1.04%), Viatris Inc. (3.55%), BeiGene, Ltd. (1.92%), Karuna Therapeutics, Inc. (5.16%), Dr. Reddy's Laboratories Limited (0.45%),

As of the most recent reporting period, the following stocks had the largest short interest positions: T-Mobile US, Inc. ($3.70 billion), Occidental Petroleum Co. ($3.52 billion), Charter Communications, Inc. ($3.14 billion), General Motors ($2.68 billion), Coinbase Global, Inc. ($2.57 billion), Moderna, Inc. ($2.18 billion), Tractor Supply ($2.10 billion), Royal Caribbean Cruises Ltd. ($1.91 billion), TC Energy Co. ($1.90 billion), and Williams-Sonoma, Inc. ($1.78 billion). View all of the most shorted stocks.

Short selling ALNY is an investing strategy that aims to generate trading profit from Alnylam Pharmaceuticals as its price is falling. ALNY shares are trading down $0.40 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 Alnylam Pharmaceuticals occurs when it has a large amount of short interest and its stock appreciates in price. This forces short sellers to cover their short interest positions by buying actual shares of ALNY, 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 ALNY, twice per month. The most recent reporting period available is April, 15 2024.