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ICU Medical (ICUI) Short Interest Ratio & Short Volume

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$159.18 +2.00 (+1.27%)
As of 01:44 PM Eastern
This is a fair market value price provided by Massive. Learn more.
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ICU Medical Short Interest Overview

As of September 15, 2026, ICU Medical (ICUI) had a short interest of 1.52 million shares sold short, representing 6.19% of the public float. This marks a 5.76% increase in short interest since the prior report. The short interest ratio (days to cover) is 6.3, meaning it would take 6.3 days of the average trading volume of 284,476 shares to cover all short positions.

Current Short Interest
1,515,688 shares
Previous Short Interest
1,433,092 shares
Change Vs. Previous Month
5.76%
Dollar Volume Sold Short
$236.27 million
Short Interest Ratio
6.3 Days to Cover
Last Record Date
September 15, 2026
Outstanding Shares
24,990,000 shares
Short Percent of Float
6.19%
Today's Trading Volume
54,754 shares
Average Trading Volume
284,476 shares
Today's Volume Vs. Average
19%
Short Selling ICU Medical?
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Short Interest ChartDays to Cover ChartShort Percent of Float Chart

ICUI Short Interest Over Time

ICUI Days to Cover Over Time

ICUI Percentage of Float Shorted Over Time

ICU Medical Tesla Short Interest History & Recent Changes

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Report DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date
9/15/20261,515,688 shares $236.27 million +5.8%6.2%6.29 $155.88
8/31/20261,433,092 shares $247.85 million +3.5%5.9%6.74 $172.95
8/14/20261,384,259 shares $253.29 million -0.3%5.7%3.57 $182.98
7/31/20261,387,706 shares $233.84 million -24.3%5.7%4.87 $168.51
7/15/20261,832,002 shares $289.38 million +8.7%7.5%6.7 $157.96
6/30/20261,685,563 shares $247.10 million -4.9%6.9%4.57 $146.60
6/15/20261,773,120 shares $254.83 million -3.5%7.2%6.82 $143.72
5/29/20261,837,896 shares $248.83 million +12.6%7.5%5.49 $135.39
5/15/20261,632,597 shares $193.82 million +0.3%6.7%5.58 $118.72
4/30/20261,628,295 shares $194.09 million +25.2%6.7%5.96 $119.20
4/15/20261,300,677 shares $164.16 million -0.3%5.3%5.32 $126.21
3/31/20261,304,985 shares $168.54 million +9.5%5.3%4.27 $129.15
3/13/20261,191,690 shares $149.97 million +6.1%4.9%4.17 $125.85
2/27/20261,123,583 shares $169.19 million +10.4%4.6%3.52 $150.58
2/13/20261,018,208 shares $147.54 million -10.7%4.2%3.9 $144.90
1/30/20261,140,705 shares $170.99 million -0.7%4.7%4.47 $149.90
1/15/20261,148,474 shares $178.15 million -5.3%4.7%5.19 $155.12
12/31/20251,212,276 shares $172.96 million -7.9%5.0%5.84 $142.67
12/15/20251,315,759 shares $194.77 million -0.6%5.4%6.17 $148.03
11/28/20251,324,011 shares $195.99 million +0.3%5.4%5.2 $148.03
11/14/20251,319,642 shares $180.13 million -12.7%5.4%3.51 $136.50
10/31/20251,512,385 shares $181.62 million +18.0%6.2%6.63 $120.09
10/15/20251,280,000 shares $148.85 million -6.6%5.4%4.3 $116.29
9/30/20251,370,000 shares $164.35 million -5.5%5.7%4.7 $119.96
9/15/20251,450,000 shares $191.65 million +7.4%6.1%5 $132.17
8/31/20251,350,000 shares $172.34 million +8.0%5.7%5 $127.66
8/15/20251,250,000 shares $151.19 million -1.6%5.2%4.7 $120.95
7/31/20251,270,000 shares $163.08 million +7.6%5.3%4.9 $128.41
7/15/20251,180,000 shares $149.26 million -13.2%5.0%4.9 $126.49
6/30/20251,360,000 shares $179.72 million +23.6%6.0%5.2 $132.15
6/15/20251,100,000 shares $145.24 million +3.8%4.9%4.1 $132.04
5/31/20251,060,000 shares $142.17 million +9.4%4.7%3.6 $134.12
5/15/2025968,700 shares $136.14 million +0.2%4.3%3.1 $140.54
4/30/2025967,200 shares $132.11 million -8.8%4.3%3.3 $136.59
4/15/20251,060,000 shares $148.02 million +12.7%4.7%3.8 $139.64
3/31/2025940,600 shares $130.61 million +9.6%4.2%3.6 $138.86
3/15/2025858,400 shares $123.14 million +10.0%3.8%3.6 $143.45
2/28/2025780,200 shares $114.17 million -0.8%3.5%3.5 $146.33
2/15/2025786,400 shares $125.95 million +7.8%3.5%3.8 $160.16
1/31/2025729,600 shares $119.92 million -1.1%3.2%3.2 $164.36
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1/15/2025737,800 shares $122.93 million -12.0%3.3%3.4 $166.62
12/31/2024838,100 shares $130.05 million +14.0%3.7%3.8 $155.17
12/15/2024735,400 shares $118.87 million +11.9%3.3%3.1 $161.64
11/30/2024657,500 shares $107.80 million +12.9%2.9%2.6 $163.96
11/15/2024582,400 shares $97.76 million -10.7%2.6%2.3 $167.86
10/31/2024652,500 shares $111.40 million -7.2%2.9%2.6 $170.73
10/15/2024703,400 shares $126.26 million -7.0%3.1%2.5 $179.50
9/30/2024756,400 shares $137.83 million -9.0%3.4%2.5 $182.22
9/15/2024831,100 shares $148.77 million -10.1%3.7%2.5 $179.00
8/31/2024924,500 shares $152.85 million -33.5%4.1%2.8 $165.33
8/15/20241,390,000 shares $219.79 million +4.5%6.2%4.2 $158.12
7/31/20241,330,000 shares $168.88 million -11.9%5.9%4.1 $126.98
7/15/20241,510,000 shares $189.91 million +13.5%6.7%5.1 $125.77
6/30/20241,330,000 shares $157.94 million +0.8%6.3%4.7 $118.75
6/15/20241,320,000 shares $149.97 million +11.9%6.2%5.5 $113.61
5/31/20241,180,000 shares $125.48 million +2.6%5.6%5.2 $106.34
5/15/20241,150,000 shares $120.15 million -2.5%5.4%4.7 $104.48
4/30/20241,180,000 shares $115.55 million -1.7%5.6%4.6 $97.92
4/15/20241,200,000 shares $116.52 million +21.1%5.7%4.9 $97.10
3/31/2024990,600 shares $106.31 million +3.2%4.7%3.8 $107.32
3/15/2024959,500 shares $94.11 million +4.6%4.6%3.6 $98.08
2/29/2024917,400 shares $100.21 million -10.1%4.4%3.2 $109.23
2/15/20241,020,000 shares $109.25 million -7.3%5.1%2.8 $107.11
1/31/20241,100,000 shares $100.68 million +6.8%5.4%2.7 $91.53
1/15/20241,030,000 shares $98.38 million -1.0%5.1%2.6 $95.51
12/31/20231,040,000 shares $103.73 million -12.6%5.1%2.7 $99.74
12/15/20231,190,000 shares $118.30 million -4.8%5.9%3.2 $99.41
11/30/20231,250,000 shares $109.70 million -1.6%6.2%3.7 $87.76
11/15/20231,270,000 shares $112.38 million -4.5%6.3%5.6 $88.49
10/31/20231,330,000 shares $130.42 million +11.8%6.6%6 $98.06
10/15/20231,190,000 shares $128.52 million +2.6%5.9%6 $108.00
9/30/20231,160,000 shares $138.05 million +5.5%5.7%5.8 $119.01
9/15/20231,100,000 shares $140.80 million -5.2%5.4%5.5 $128.00
8/31/20231,160,000 shares $168.23 million -1.7%5.7%6 $145.03
8/15/20231,180,000 shares $166.03 million -6.4%5.8%6.1 $140.70
7/31/20231,260,000 shares $224.51 million +10.5%6.2%6.3 $178.18
7/15/20231,140,000 shares $206.02 million +11.8%5.7%6.5 $180.72
6/30/20231,020,000 shares $181.75 million -6.4%5.1%6.1 $178.19
6/15/20231,090,000 shares $205.77 million +10.2%5.4%6.1 $188.78
5/31/2023988,900 shares $172.95 million -14.0%4.9%5.6 $174.89
5/15/20231,150,000 shares $229.07 million No Change5.7%6.1 $199.19
10/31/20221,200,000 shares $178.09 million +9.1%6.0%5.6 $148.41
10/15/20221,100,000 shares $154.58 million +7.8%5.5%5.4 $140.53
9/30/20221,020,000 shares $153.61 million +12.0%5.1%5 $150.60
9/15/2022910,800 shares $153.07 million +5.7%4.6%4.7 $168.06
8/31/2022861,600 shares $136.99 million +7.2%4.3%4.5 $159.00
8/15/2022804,000 shares $141.25 million -4.0%4.0%4 $175.68
7/31/2022837,800 shares $148.43 million +23.9%4.2%4 $177.17
7/15/2022676,200 shares $113.19 million -0.1%3.4%3.4 $167.39
6/30/2022676,900 shares $111.28 million +2.0%3.4%3.4 $164.39
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6/15/2022663,700 shares $109.68 million -4.0%3.3%3.2 $165.25
5/31/2022691,600 shares $125.62 million +0.5%3.4%3.2 $181.64
5/15/2022688,000 shares $120.58 million +5.0%3.4%3 $175.26
4/30/2022655,500 shares $140.27 million +15.8%3.3%3.1 $213.99
4/15/2022565,900 shares $126.50 million -3.1%2.8%2.7 $223.54
3/31/2022584,200 shares $130.07 million +18.2%N/A0 $222.64
3/15/2022494,200 shares $111.70 million -4.1%2.5%2.6 $226.03
2/28/2022515,100 shares $121.94 million -1.1%2.6%2.9 $236.73
2/15/2022520,600 shares $114.97 million +0.8%2.6%3.3 $220.85
1/31/2022516,600 shares $110.22 million +19.3%2.7%3.6 $213.36
1/15/2022433,200 shares $95.30 million +2.8%N/A3.1 $219.99
12/31/2021421,500 shares $100.04 million -10.7%2.1%3.2 $237.34
12/15/2021472,100 shares $107.09 million +11.2%2.4%3.5 $226.83
11/30/2021424,500 shares $96.03 million +2.7%2.1%2.7 $226.21
11/15/2021413,400 shares $101.00 million -13.9%2.1%2 $244.31
10/29/2021480,000 shares $112.38 million +0.3%2.4%2.5 $234.13
10/15/2021478,700 shares $110.50 million -7.0%2.4%2.4 $230.84

ICUI Short Interest - Frequently Asked Questions

Short interest is the volume of ICU Medical shares that have been sold short but have not yet been covered or closed out. As of September 15th, investors have sold 1,515,688 shares of ICUI short. 6.19% of ICU Medical's shares are currently sold short. Learn More on ICU Medical'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. ICUI shares currently have a short interest ratio of 6.3. Learn More on ICU Medical's short interest ratio.

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. 6.19% of ICU Medical's floating shares are currently sold short.

ICU Medical saw a increase in short interest in September. As of September 15th, there was short interest totaling 1,515,688 shares, an increase of 5.8% from the previous total of 1,433,092 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.

6.19% of ICU Medical's shares are currently sold short. Here is how the short interest of companies in the industry of "healthcare equipment & supplies" compare to ICU Medical: Solventum Corporation (2.86%), The Cooper Companies, Inc. (5.38%), Align Technology, Inc. (5.49%), Bausch + Lomb Corporation (0.90%), Merit Medical Systems, Inc. (6.64%), Envista Holdings Corporation (6.42%), Neogen Corporation (5.14%), UFP Technologies, Inc. (14.26%), DENTSPLY SIRONA Inc. (12.39%), Avanos Medical, Inc. (3.83%),

As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($75.21 billion), Invesco QQQ ($46.31 billion), iShares Russell 2000 ETF ($27.98 billion), SPDR S&P Biotech ETF ($11.59 billion), Nebius Group N.V. ($9.70 billion), Canadian Natural Resources Limited ($9.42 billion), iShares 20+ Year Treasury Bond ETF ($8.70 billion), iShares iBoxx $ High Yield Corporate Bond ETF ($8.53 billion), iShares iBoxx $ Investment Grade Corporate Bond ETF ($7.79 billion), and Financial Select Sector SPDR Fund ($7.74 billion). View all of the most shorted stocks.

Short selling ICUI is an investing strategy that aims to generate trading profit from ICU Medical as its price is falling. ICUI shares are trading up $1.15 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 ICU Medical 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 ICUI, 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 ICUI, twice per month. The most recent reporting period available is September, 15 2026.

Understanding short interest metrics can help you assess how traders are positioning around a stock like ICUI:

  • Shares Sold Short: The total number of shares that have been sold by short sellers but have not yet been covered or closed out. A high number may indicate bearish sentiment.
  • Short Float: The percentage of a company’s publicly available shares (or "float") that are sold short. A higher short float suggests a greater portion of the stock is being bet against.
  • Days to Cover (Short Interest Ratio): This estimates how many days it would take short sellers to cover their positions, based on average daily trading volume. Higher values can signal potential for a short squeeze if buying pressure increases.

These metrics are often used by traders to gauge sentiment, volatility risk, and the potential for price movements based on short covering activity.


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Short Interest Tools

Short interest data for NASDAQ:ICUI is sourced from the Financial Industry Regulatory Authority (FINRA), with the most recent report published on 9/24/2026. FINRA publishes updated short interest twice a month.
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