Jazz Pharmaceuticals (JAZZ) Short Interest Ratio & Short Volume

Short interest is the volume of Jazz Pharmaceuticals shares that have been sold short but have not yet been closed out or covered. As of July 15th, investors have sold 5,730,000 shares of JAZZ short. 9.92% of Jazz Pharmaceuticals' shares are currently sold short. Learn More on Jazz 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. JAZZ shares currently have a short interest ratio of 6.0. Learn More on Jazz 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 Jazz Pharmaceuticals: Simplex Trading LLC, Wolverine Asset Management LLC, Quaker Wealth Management LLC, Jane Street Group LLC, Jane Street Group LLC, Simplex Trading LLC, Wolverine Asset Management LLC, and Citigroup Inc.. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission.

Companies that have a short interest as a percentage of float below 10% indicates positive investor sentiment and few short sellers. Stocks with a short interest percentage above 10% is considered high, suggesting some investors are pessimistic about the stock. Companies with a short interest percentage of 20% or more indicates widespread negative sentiment. 9.92% of Jazz Pharmaceuticals' floating shares are currently sold short.

Jazz Pharmaceuticals saw a decline in short interest in July. As of July 15th, there was short interest totaling 5,730,000 shares, a decline of 2.4% from the previous total of 5,870,000 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.

Jazz Pharmaceuticals currently has issued a total of 60,511,000 shares. Some of Jazz Pharmaceuticals' outstanding shares are available for trading, while others are subject to various restrictions. The public float, also referred to as floating shares or "the float", are shares that publicly owned, unrestricted and available to trade on the open market. Jazz Pharmaceuticals currently has a public float of 57,780,000 shares.

9.92% of Jazz Pharmaceuticals' shares are currently sold short. Here is how the short interest of companies in the sector of "medical" compare to Jazz Pharmaceuticals: Axsome Therapeutics, Inc. (7.27%), Royalty Pharma PLC (5.04%), Corcept Therapeutics Incorporated (11.96%), Perrigo Company plc (4.61%), Supernus Pharmaceuticals, Inc. (9.11%), Pacira BioSciences, Inc. (12.15%), Nektar Therapeutics (6.88%), Omeros Corporation (24.29%), Assembly Biosciences, Inc. (0.76%), Cumberland Pharmaceuticals Inc. (0.08%),

As of the most recent reporting period, the following stocks had the largest short interest positions: Coinbase Global, Inc. ($5.11 billion), Charter Communications, Inc. ($4.76 billion), Reddit Inc. ($2.84 billion), SoFi Technologies, Inc. ($2.79 billion), Seagate Technology Holdings PLC ($2.79 billion), Live Nation Entertainment, Inc. ($2.67 billion), Rocket Lab Corporation ($2.49 billion), AST SpaceMobile, Inc. ($2.12 billion), Moderna, Inc. ($2.09 billion), and Omnicom Group Inc. ($2.04 billion). View all of the most shorted stocks.

Short selling JAZZ is an investing strategy that aims to generate trading profit from Jazz Pharmaceuticals as its price is falling. JAZZ shares are trading down $0.87 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 Jazz Pharmaceuticals 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 JAZZ, 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 JAZZ, twice per month. The most recent reporting period available is July, 15 2025.