SeaStar Medical (ICU) Short Interest Ratio & Short Volume

Short interest is the volume of SeaStar Medical shares that have been sold short but have not yet been closed out or covered. As of June 30th, investors have sold 2,950,000 shares of ICU short. 19.11% of SeaStar Medical's shares are currently sold short. Learn More on SeaStar Medical's current short interest.

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. 19.11% of SeaStar Medical's floating shares are currently sold short.

SeaStar Medical saw a increase in short interest in June. As of June 30th, there was short interest totaling 2,950,000 shares, an increase of 3,606.0% from the previous total of 79,600 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.

SeaStar Medical currently has issued a total of 11,200,000 shares. Some of SeaStar Medical'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. SeaStar Medical currently has a public float of 15,440,000 shares.

19.11% of SeaStar Medical's shares are currently sold short. Here is how the short interest of companies in the industry of "medical equipment" compare to SeaStar Medical: DarioHealth Corp. (7.85%), Femasys Inc. (0.77%), CollPlant Biotechnologies Ltd. Sponsored ADR (0.88%), Allurion Technologies, Inc. (2.72%), IRIDEX Corporation (2.63%), Retractable Technologies, Inc. (0.19%), NeurAxis, Inc. (0.43%), Plus Therapeutics, Inc. (11.70%), Nexalin Technology, Inc. (0.60%), NexGel, Inc. (1.02%),

As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($72.10 billion), Invesco QQQ ($26.89 billion), iShares Russell 2000 ETF ($19.61 billion), MicroStrategy Incorporated ($9.52 billion), iShares 20+ Year Treasury Bond ETF ($8.70 billion), WD-40 Company ($7.66 billion), Technology Select Sector SPDR Fund ($6.10 billion), Invesco S&P 500 Equal Weight ETF ($5.80 billion), Invesco S&P 500 Top 50 ETF ($5.53 billion), and Vanguard Large-Cap ETF ($5.35 billion). View all of the most shorted stocks.

Short selling ICU is an investing strategy that aims to generate trading profit from SeaStar Medical as its price is falling. ICU shares are trading down $0.01 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 SeaStar Medical 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 ICU, 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 ICU, twice per month. The most recent reporting period available is June, 30 2025.