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ImmunityBio (IBRX) Short Interest Ratio & Short Volume

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$7.49 -0.15 (-1.96%)
As of 04:00 PM Eastern
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ImmunityBio Short Interest Overview

As of July 15, 2026, ImmunityBio (IBRX) had a short interest of 134.40 million shares sold short, representing 37.85% of the public float. This marks a 1.95% increase in short interest since the prior report. The short interest ratio (days to cover) is 11.9, meaning it would take 11.9 days of the average trading volume of 9.41 million shares to cover all short positions.

Current Short Interest
134,395,641 shares
Previous Short Interest
131,830,884 shares
Change Vs. Previous Month
1.95%
Dollar Volume Sold Short
$1.04 billion
Short Interest Ratio
11.9 Days to Cover
Last Record Date
July 15, 2026
Outstanding Shares
1,059,840,000 shares
Short Percent of Float
37.85%
Today's Trading Volume
5,990,763 shares
Average Trading Volume
9,414,807 shares
Today's Volume Vs. Average
64%
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Short Interest ChartDays to Cover ChartShort Percent of Float Chart

IBRX Short Interest Over Time

IBRX Days to Cover Over Time

IBRX Percentage of Float Shorted Over Time

ImmunityBio 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
7/15/2026134,395,641 shares $1.04 billion +2.0%37.9%11.92 $7.73
6/30/2026131,830,884 shares $1.15 billion -2.5%37.1%8.66 $8.76
6/15/2026135,149,785 shares $963.62 million +2.3%38.1%11.95 $7.13
5/29/2026132,143,163 shares $993.72 million -0.5%41.3%7.64 $7.52
5/15/2026132,753,919 shares $1.06 billion -3.9%41.5%10.57 $7.97
4/30/2026138,109,255 shares $980.58 million -1.6%43.2%10.6 $7.10
4/15/2026140,326,066 shares $1.09 billion +3.5%39.5%9.54 $7.78
3/31/2026135,542,079 shares $1.04 billion +1.0%38.2%4.68 $7.67
3/13/2026134,199,301 shares $1.13 billion +1.3%42.8%5.26 $8.39
2/27/2026132,437,647 shares $1.30 billion -1.7%42.2%2.68 $9.78
2/13/2026134,701,658 shares $801.47 million -0.3%37.9%6.18 $5.95
1/30/2026135,160,945 shares $844.76 million +6.4%45.0%1.69 $6.25
1/15/2026127,000,990 shares $501.65 million +5.3%42.2%5.56 $3.95
12/31/2025120,642,502 shares $238.87 million +10.7%40.1%8.27 $1.98
12/15/2025109,024,436 shares $242.03 million +23.1%36.3%8.26 $2.22
11/28/202588,553,549 shares $211.20 million +9.2%29.5%8.44 $2.39
11/14/202581,064,526 shares $168.61 million +9.9%27.0%9.18 $2.08
10/31/202573,753,432 shares $177.01 million +1.6%24.5%8.49 $2.40
10/15/202572,560,000 shares $187.20 million -1.2%24.1%7.5 $2.58
9/30/202573,430,000 shares $180.64 million -13.2%N/A7.9 $2.46
9/15/202584,560,000 shares $231.69 million +12.3%N/A9.5 $2.74
8/31/202575,310,000 shares $176.23 million +0.2%34.3%8.6 $2.34
8/15/202575,180,000 shares $191.71 million -2.5%N/A8.5 $2.55
7/31/202577,070,000 shares $189.59 million +0.1%35.1%8.8 $2.46
7/15/202576,980,000 shares $210.93 million +0.0%N/A8.6 $2.74
6/30/202576,960,000 shares $203.17 million +6.4%37.6%8.4 $2.64
6/15/202572,360,000 shares $222.15 million +0.3%35.3%7.9 $3.07
5/31/202572,120,000 shares $192.56 million -2.2%62.3%8.3 $2.67
5/15/202573,740,000 shares $196.89 million +7.2%63.7%9.5 $2.67
4/30/202568,760,000 shares $172.59 million +2.4%N/A9.7 $2.51
4/15/202567,180,000 shares $186.76 million +6.3%58.1%10.6 $2.78
3/31/202563,180,000 shares $190.17 million +6.1%54.6%9.8 $3.01
3/15/202559,540,000 shares $170.88 million -2.3%51.5%10.1 $2.87
2/28/202560,930,000 shares $200.46 million +7.0%52.7%9.4 $3.29
2/15/202556,960,000 shares $206.20 million +1.9%49.2%9.5 $3.62
1/31/202555,920,000 shares $192.92 million +2.5%N/A9.5 $3.45
1/15/202554,540,000 shares $130.35 million +9.1%N/A7.3 $2.39
12/31/202450,010,000 shares $128.03 million +12.6%N/A7.6 $2.56
12/15/202444,410,000 shares $127.46 million -10.8%N/A7.3 $2.87
11/30/202449,780,000 shares $250.89 million -4.4%31.2%9.8 $5.04
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11/15/202452,050,000 shares $233.70 million -1.3%32.6%10.3 $4.49
10/31/202452,750,000 shares $274.83 million +2.3%33.1%10.8 $5.21
10/15/202451,580,000 shares $190.85 million -2.1%32.3%18.4 $3.70
9/30/202452,680,000 shares $195.97 million +3.8%33.0%19.2 $3.72
9/15/202450,740,000 shares $181.65 million -1.1%31.8%17.9 $3.58
8/31/202451,290,000 shares $202.60 million +4.3%32.2%16.3 $3.95
8/15/202449,180,000 shares $195.74 million +5.2%31.6%15.2 $3.98
7/31/202446,770,000 shares $240.87 million -3.5%30.3%13.5 $5.15
7/15/202448,480,000 shares $308.33 million -1.2%31.4%7.5 $6.36
6/30/202449,080,000 shares $310.19 million -8.2%31.8%7.2 $6.32
6/15/202453,440,000 shares $318.50 million -0.1%34.6%7.5 $5.96
5/31/202453,470,000 shares $343.28 million +0.1%34.6%7.7 $6.42
5/15/202453,430,000 shares $432.78 million -3.1%38.0%7.2 $8.10
4/30/202455,140,000 shares $440.57 million +0.6%40.1%7.8 $7.99
4/15/202454,840,000 shares $287.36 million +0.1%40.1%11.7 $5.24
3/31/202454,770,000 shares $294.11 million +2.9%41.5%13.6 $5.37
3/15/202453,250,000 shares $273.17 million +3.3%40.4%13.3 $5.13
2/29/202451,550,000 shares $243.83 million +9.4%39.4%12.2 $4.73
2/15/202447,140,000 shares $225.33 million +7.3%36.1%11.4 $4.78
1/31/202443,930,000 shares $147.60 million +4.8%33.6%10.5 $3.36
1/15/202441,930,000 shares $161.43 million +3.5%32.1%6.8 $3.85
12/31/202340,520,000 shares $203.41 million +7.1%31.0%6.8 $5.02
12/15/202337,840,000 shares $162.71 million +4.7%N/A6.5 $4.30
11/30/202336,140,000 shares $133.00 million +1.4%N/A6.6 $3.68
11/15/202335,660,000 shares $145.85 million -14.9%N/A6.7 $4.09
10/31/202341,920,000 shares $131.63 million +0.7%N/A8.7 $3.14
10/15/202341,640,000 shares $54.55 million +5.3%N/A13.7 $1.31
9/30/202339,540,000 shares $66.82 million +8.5%30.2%14.6 $1.69
9/15/202336,440,000 shares $65.59 million +36.4%19.8%14.1 $1.80
8/31/202326,720,000 shares $43.02 million +17.4%23.5%10.7 $1.61
8/15/202322,760,000 shares $44.61 million -4.8%20.0%8.8 $1.96
7/31/202323,900,000 shares $52.58 million -0.8%22.0%6.1 $2.20
7/15/202324,100,000 shares $67.00 million +3.5%22.2%5.3 $2.78
6/30/202323,290,000 shares $64.75 million -0.6%21.5%4.8 $2.78
6/15/202323,440,000 shares $65.40 million +4.7%21.6%4.6 $2.79
5/31/202322,390,000 shares $61.57 million -10.3%20.7%3.8 $2.75
5/15/202324,960,000 shares $80.37 million -16.7%23.0%4.2 $3.22
4/30/202329,980,000 shares $83.94 million +12.6%27.6%6 $2.80
4/15/202326,630,000 shares $51.40 million -0.4%24.6%6.7 $1.93
3/31/202326,730,000 shares $48.65 million +4.7%30.7%7.7 $1.82
3/15/202325,520,000 shares $36.49 million +11.7%29.3%8.1 $1.43
2/28/202322,850,000 shares $55.75 million -3.8%26.2%10.1 $2.44
2/15/202323,760,000 shares $83.16 million -1.1%29.0%12.3 $3.50
1/31/202324,030,000 shares $91.31 million +6.2%29.3%14 $3.80
1/15/202322,630,000 shares $108.17 million +0.9%27.6%14.1 $4.78
12/30/202222,430,000 shares $113.72 million -5.5%30.1%14.5 $5.07
12/15/202223,730,000 shares $159.23 million -0.4%31.8%15.8 $6.71
11/30/202223,830,000 shares $131.30 million -1.0%28.8%13.3 $5.51
11/15/202224,080,000 shares $145.68 million +1.5%29.1%14 $6.05
10/31/202223,730,000 shares $130.52 million +1.0%28.6%14.6 $5.50
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10/15/202223,490,000 shares $116.04 million -5.0%28.4%14.6 $4.94
9/30/202224,720,000 shares $122.86 million +13.6%29.8%15.6 $4.97
9/15/202221,770,000 shares $139.98 million +7.8%26.3%13.5 $6.43
8/31/202220,190,000 shares $80.76 million +6.5%24.9%13.6 $4.00
8/15/202218,950,000 shares $89.63 million +1.5%23.4%11.1 $4.73
7/31/202218,680,000 shares $72.67 million +1.2%23.2%9.7 $3.89
7/15/202218,460,000 shares $83.07 million -0.4%22.9%9.2 $4.50
6/30/202218,530,000 shares $68.93 million -3.8%23.0%9 $3.72
6/15/202219,270,000 shares $61.86 million +4.3%23.9%9.6 $3.21
5/31/202218,470,000 shares $69.45 million +8.8%23.0%10.9 $3.76
5/15/202216,980,000 shares $59.26 million -1.5%21.1%11 $3.49
4/30/202217,230,000 shares $62.54 million +4.4%21.4%11.7 $3.63
4/15/202216,500,000 shares $83.33 million +3.6%20.5%11.2 $5.05
3/31/202215,930,000 shares $89.37 million -4.4%N/A10.7 $5.61
3/15/202216,670,000 shares $89.52 million +2.0%20.7%9.9 $5.37
2/28/202216,350,000 shares $111.83 million +12.2%20.3%9.6 $6.84
2/15/202214,570,000 shares $102.43 million +12.2%18.1%7.8 $7.03
1/31/202212,990,000 shares $75.60 million +4.6%16.2%7.6 $5.82
1/15/202212,420,000 shares $82.84 million +0.9%N/A7.7 $6.67
12/31/202112,310,000 shares $74.84 million +18.0%15.3%8.3 $6.08
12/15/202110,430,000 shares $59.45 million +9.4%13.0%8.3 $5.70
11/30/20219,530,000 shares $74.24 million +4.7%12.7%8.4 $7.79
11/15/20219,100,000 shares $64.97 million +2.6%12.1%9.4 $7.14
10/29/20218,870,000 shares $69.45 million -3.7%12.0%9.7 $7.83
10/15/20219,210,000 shares $85.65 million -5.3%12.4%10.5 $9.30
9/30/20219,730,000 shares $94.77 million +3.3%13.1%11.4 $9.74
9/15/20219,420,000 shares $90.15 million +2.2%12.7%10 $9.57
8/31/20219,220,000 shares $104.92 million -4.2%13.5%8.6 $11.38
8/13/20219,620,000 shares $108.23 million No Change14.2%8.9 $11.25

IBRX Short Interest - Frequently Asked Questions

Short interest is the volume of ImmunityBio shares that have been sold short but have not yet been closed out or covered. As of July 15th, traders have sold 134,395,641 shares of IBRX short. 37.85% of ImmunityBio's shares are currently sold short. Learn More on ImmunityBio'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. IBRX shares currently have a short interest ratio of 11.9. Learn More on ImmunityBio'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. 37.85% of ImmunityBio's floating shares are currently sold short.

ImmunityBio saw a increase in short interest in July. As of July 15th, there was short interest totaling 134,395,641 shares, an increase of 1.9% from the previous total of 131,830,884 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.

37.85% of ImmunityBio's shares are currently sold short. Here is how the short interest of companies in the industry of "biotechnology" compare to ImmunityBio: Alnylam Pharmaceuticals, Inc. (4.36%), Roivant Sciences Ltd. (5.72%), Incyte Corporation (6.28%), BioNTech SE Sponsored ADR (1.11%), Moderna, Inc. (14.81%), United Therapeutics Corporation (5.38%), Insmed, Inc. (5.48%), Genmab A/S Sponsored ADR (1.23%), BridgeBio Pharma, Inc. (15.33%), Ascendis Pharma A/S (8.29%),

As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($73.09 billion), Invesco QQQ ($48.11 billion), iShares Russell 2000 ETF ($23.61 billion), Sandisk Corporation ($12.69 billion), Nebius Group N.V. ($12.18 billion), Western Digital Corporation ($11.95 billion), SPDR S&P Biotech ETF ($11.73 billion), Quhuo Limited Sponsored ADR ($9.74 billion), VanEck Semiconductor ETF ($9.57 billion), and Financial Select Sector SPDR Fund ($8.43 billion). View all of the most shorted stocks.

Short selling IBRX is an investing strategy that aims to generate trading profit from ImmunityBio as its price is falling. IBRX shares are trading down $0.15 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 ImmunityBio 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 IBRX, 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 IBRX, twice per month. The most recent reporting period available is July, 15 2026.

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

  • 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:IBRX is sourced from the Financial Industry Regulatory Authority (FINRA), with the most recent report published on 7/24/2026. FINRA publishes updated short interest twice a month.
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