Insmed (INSM) Short Interest Ratio & Short Volume

Short interest is the volume of Insmed shares that have been sold short but have not yet been covered or closed out. As of April 15th, traders have sold 15,120,000 shares of INSM short. 8.86% of Insmed's shares are currently sold short. Learn More on Insmed'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. INSM shares currently have a short interest ratio of 7.0. Learn More on Insmed's short interest ratio.

As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Insmed: Jefferies Financial Group Inc., Wolverine Trading LLC, Summit Partners Public Asset Management LLC, Millennium Management LLC, LMR Partners LLP, Lighthouse Investment Partners LLC, Jefferies Financial Group Inc., Hudson Bay Capital Management LP, Group One Trading LLC, D. E. Shaw & Co. Inc., Caption Management LLC, Citadel Advisors LLC, Ameriprise Financial Inc., Jane Street Group LLC, Tudor Investment Corp ET AL, Parallax Volatility Advisers L.P., Susquehanna International Group LLP, HAP Trading LLC, Concourse Financial Group Securities Inc., Walleye Trading LLC, Walleye Capital LLC, Mirae Asset Securities USA Inc., Simplex Trading LLC, Twin Tree Management LP, and Wolverine Asset Management 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. 8.86% of Insmed's floating shares are currently sold short.

Insmed saw a increase in short interest in the month of April. As of April 15th, there was short interest totaling 15,120,000 shares, an increase of 4.3% from the previous total of 14,500,000 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.

8.86% of Insmed's shares are currently sold short. Here is how the short interest of companies in the industry of "pharmaceutical preparations" compare to Insmed: Takeda Pharmaceutical Company Limited (0.16%), Alnylam Pharmaceuticals, Inc. (2.40%), Royalty Pharma plc (6.15%), Summit Therapeutics Inc. (29.08%), Teva Pharmaceutical Industries Limited (2.69%), Intra-Cellular Therapies, Inc. (2.58%), Genmab A/S (0.33%), United Therapeutics Co. (3.77%), Dr. Reddy's Laboratories Limited (1.91%), BioMarin Pharmaceutical Inc. (2.72%),

As of the most recent reporting period, the following stocks had the largest short interest positions: Invesco QQQ ($21.71 billion), iShares 20+ Year Treasury Bond ETF ($9.48 billion), Strategy Incorporated ($8.92 billion), Charter Communications, Inc. ($3.86 billion), Apollo Global Management, Inc. ($3.86 billion), Capital One Financial Co. ($3.72 billion), Super Micro Computer, Inc. ($3.47 billion), AppLovin Co. ($2.64 billion), VanEck Semiconductor ETF ($2.46 billion), and The Kroger Co. ($2.33 billion). View all of the most shorted stocks.

Short selling INSM is an investing strategy that aims to generate trading profit from Insmed as its price is falling. INSM shares are trading up $0.74 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 Insmed 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 INSM, 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 INSM, twice per month. The most recent reporting period available is April, 15 2025.