BioNTech (BNTX) Short Interest Ratio & Short Volume

Short interest is the volume of BioNTech shares that have been sold short but have not yet been closed out or covered. As of May 15th, investors have sold 5,380,000 shares of BNTX short. 2.27% of BioNTech's shares are currently sold short. Learn More on BioNTech's 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. BNTX shares currently have a short interest ratio of 5.0. Learn More on BioNTech's short interest ratio.

As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of BioNTech: Jane Street Group LLC, Goldman Sachs Group Inc., Caption Management LLC, Twin Tree Management LP, HAP Trading LLC, Walleye Trading LLC, Walleye Capital LLC, Capital Fund Management S.A., Simplex Trading LLC, Citigroup Inc., and IMC Chicago LLC. 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. 2.27% of BioNTech's floating shares are currently sold short.

BioNTech saw a increase in short interest in the month of May. As of May 15th, there was short interest totaling 5,380,000 shares, an increase of 16.2% from the previous total of 4,630,000 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.

BioNTech currently has issued a total of 240,393,000 shares. Some of BioNTech's 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. BioNTech currently has a public float of 236,700,000 shares.

2.27% of BioNTech's shares are currently sold short. Here is how the short interest of companies in the industry of "pharmaceutical products" compare to BioNTech: GSK plc (0.83%), Takeda Pharmaceutical Company Limited (0.20%), argenx SE (4.05%), Teva Pharmaceutical Industries Limited (3.43%), Intra-Cellular Therapies, Inc. (2.58%), Genmab A/S (0.45%), Summit Therapeutics Inc. (29.82%), Dr. Reddy's Laboratories Limited (1.83%), Ascendis Pharma A/S (10.33%), Moderna, Inc. (19.64%),

As of the most recent reporting period, the following stocks had the largest short interest positions: Invesco QQQ ($29.20 billion), Strategy Incorporated ($10.88 billion), iShares 20+ Year Treasury Bond ETF ($10.04 billion), Capital One Financial Co. ($5.51 billion), Charter Communications, Inc. ($5.00 billion), Super Micro Computer, Inc. ($4.43 billion), Apollo Global Management, Inc. ($4.02 billion), Hims & Hers Health, Inc. ($3.65 billion), VanEck Semiconductor ETF ($3.27 billion), and Coinbase Global, Inc. ($3.10 billion). View all of the most shorted stocks.

Short selling BNTX is an investing strategy that aims to generate trading profit from BioNTech as its price is falling. BNTX shares are trading down $2.08 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 BioNTech 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 BNTX, 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 BNTX, twice per month. The most recent reporting period available is May, 15 2025.