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Immunocore (IMCR) Short Interest Ratio & Short Volume

Immunocore logo
$34.20 -0.54 (-1.55%)
Closing price 04:00 PM Eastern
Extended Trading
$34.22 +0.02 (+0.06%)
As of 04:10 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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Immunocore Short Interest Overview

As of July 31, 2026, Immunocore (IMCR) had a short interest of 8.22 million shares sold short, representing 17.97% of the public float. This marks a -8.09% decrease in short interest since the prior report. The short interest ratio (days to cover) is 17.4, meaning it would take 17.4 days of the average trading volume of 476,105 shares to cover all short positions.

Current Short Interest
8,217,977 shares
Previous Short Interest
8,940,861 shares
Change Vs. Previous Month
-8.09%
Dollar Volume Sold Short
$277.85 million
Short Interest Ratio
17.4 Days to Cover
Last Record Date
July 31, 2026
Outstanding Shares
50,870,000 shares
Short Percent of Float
17.97%
Today's Trading Volume
329,515 shares
Average Trading Volume
476,105 shares
Today's Volume Vs. Average
69%
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Short Interest ChartDays to Cover ChartShort Percent of Float Chart

IMCR Short Interest Over Time

IMCR Days to Cover Over Time

IMCR Percentage of Float Shorted Over Time

Immunocore 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
7/31/20268,217,977 shares $277.85 million -8.1%18.0%17.38 $33.81
7/15/20268,940,861 shares $310.07 million -0.6%19.6%12.63 $34.68
6/30/20268,992,351 shares $285.51 million -0.5%19.7%12.51 $31.75
6/15/20269,039,457 shares $258.80 million +3.3%19.8%21.37 $28.63
5/29/20268,749,260 shares $252.77 million -2.5%19.2%19.71 $28.89
5/15/20268,970,345 shares $251.62 million +0.0%19.7%35.4 $28.05
4/30/20268,969,565 shares $250.34 million -8.3%19.7%20.81 $27.91
4/15/20269,781,949 shares $309.50 million -3.6%21.4%22.57 $31.64
3/31/202610,144,803 shares $305.87 million +0.1%22.2%26.05 $30.15
3/13/202610,137,184 shares $312.83 million -15.4%22.3%28.45 $30.86
2/27/202611,984,360 shares $387.09 million +5.5%26.5%31.43 $32.30
2/13/202611,360,037 shares $366.70 million +3.9%24.8%29.39 $32.28
1/30/202610,931,087 shares $355.81 million +9.1%24.1%17.53 $32.55
1/15/202610,015,378 shares $328.00 million +5.2%22.1%25.46 $32.75
12/31/20259,520,098 shares $330.44 million +5.2%21.0%36.58 $34.71
12/15/20259,052,969 shares $326.09 million +5.7%20.0%31.2 $36.02
11/28/20258,564,719 shares $338.01 million -2.3%18.9%22.05 $39.47
11/14/20258,767,994 shares $315.21 million +1.3%19.4%33.9 $35.95
10/31/20258,655,047 shares $286.40 million -0.1%19.2%31.74 $33.09
10/15/20258,660,000 shares $297.82 million +3.6%17.3%27.1 $34.39
9/30/20258,360,000 shares $303.72 million -3.8%16.7%28 $36.33
9/15/20258,690,000 shares $299.11 million -0.5%17.4%29.4 $34.42
8/31/20258,730,000 shares $281.28 million -0.9%17.5%25.8 $32.22
8/15/20258,810,000 shares $289.67 million +5.6%17.6%22.7 $32.88
7/31/20258,340,000 shares $273.30 million -1.2%17.1%20.7 $32.77
7/15/20258,440,000 shares $296.67 million -0.6%17.4%22.5 $35.15
6/30/20258,490,000 shares $266.42 million +1.6%17.5%21 $31.38
6/15/20258,360,000 shares $289.92 million +4.4%17.2%20 $34.68
5/31/20258,010,000 shares $292.28 million +0.8%16.5%19.4 $36.49
5/15/20257,950,000 shares $231.03 million No Change16.4%22.4 $29.06
4/30/20257,950,000 shares $239.30 million +3.5%16.3%25.3 $30.10
4/15/20257,680,000 shares $209.74 million -5.0%15.8%25.1 $27.31
3/31/20258,080,000 shares $239.73 million +6.5%16.6%26.7 $29.67
3/15/20257,590,000 shares $218.59 million +2.2%17.2%26.6 $28.80
2/28/20257,430,000 shares $218.22 million +0.1%16.8%28.2 $29.37
2/15/20257,420,000 shares $219.63 million +1.1%16.8%28.8 $29.60
1/31/20257,340,000 shares $241.34 million +9.4%15.1%27.8 $32.88
1/15/20256,710,000 shares $197.54 million -0.3%13.8%24.4 $29.44
12/31/20246,730,000 shares $198.54 million -4.7%13.8%24.7 $29.50
12/15/20247,060,000 shares $204.10 million -1.8%14.5%25.7 $28.91
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11/30/20247,190,000 shares $235.40 million -5.4%14.8%25.9 $32.74
11/15/20247,600,000 shares $240.08 million -4.6%15.6%21.4 $31.59
10/31/20247,970,000 shares $245.72 million -4.3%16.4%21.6 $30.83
10/15/20248,330,000 shares $269.23 million -0.6%17.1%21.8 $32.32
9/30/20248,380,000 shares $260.87 million -1.0%17.2%20.8 $31.13
9/15/20248,460,000 shares $283.83 million +23.0%17.4%19 $33.55
8/31/20246,880,000 shares $246.85 million +16.2%14.2%13.2 $35.88
8/15/20245,920,000 shares $217.56 million +9.0%12.2%8.6 $36.75
7/31/20245,430,000 shares $215.57 million -6.2%11.2%7.3 $39.70
7/15/20245,790,000 shares $228.53 million -1.4%12.0%7.6 $39.47
6/30/20245,870,000 shares $198.93 million -5.5%12.1%7.5 $33.89
6/15/20246,210,000 shares $238.84 million -7.0%12.8%8.3 $38.46
5/31/20246,680,000 shares $327.19 million +29.2%13.8%9.5 $48.98
5/15/20245,170,000 shares $289.57 million +13.1%10.7%8.9 $56.01
4/30/20244,570,000 shares $270.00 million +11.7%9.4%11.2 $59.08
4/15/20244,090,000 shares $227.16 million -11.3%8.4%8.2 $55.54
3/31/20244,610,000 shares $299.65 million +7.5%9.5%9.4 $65.00
3/15/20244,290,000 shares $260.96 million +1.4%8.8%8.9 $60.83
2/29/20244,230,000 shares $284.34 million +9.6%8.7%8.6 $67.22
2/15/20243,860,000 shares $272.13 million +20.6%8.0%8.2 $70.50
1/31/20243,200,000 shares $231.33 million +8.1%6.6%6.7 $72.29
1/15/20242,960,000 shares $211.82 million +2.4%6.1%8 $71.56
12/31/20232,890,000 shares $197.44 million -13.0%6.0%8.4 $68.32
12/15/20233,320,000 shares $213.04 million -17.2%6.9%10.1 $64.17
11/30/20234,010,000 shares $211.45 million -3.4%8.3%13.1 $52.73
11/15/20234,150,000 shares $198.95 million +12.5%8.6%15.4 $47.94
10/31/20233,690,000 shares $163.84 million +7.3%8.0%14.2 $44.40
10/15/20233,440,000 shares $172.65 million +4.6%7.4%15 $50.19
9/30/20233,290,000 shares $170.75 million +3.8%7.1%14.9 $51.90
9/15/20233,170,000 shares $167.34 million +6.0%6.9%15.1 $52.79
8/31/20232,990,000 shares $168.25 million +4.2%6.2%15.2 $56.27
8/15/20232,870,000 shares $172.92 million +8.3%6.0%14.2 $60.25
7/31/20232,650,000 shares $174.85 million -4.7%5.8%12.8 $65.98
7/15/20232,780,000 shares $176.25 million No Change6.1%12 $63.40
6/30/20232,780,000 shares $166.69 million -4.1%6.1%11.5 $59.96
6/15/20232,900,000 shares $168.03 million +7.8%6.4%11.3 $57.94
5/31/20232,690,000 shares $148.43 million -5.0%5.7%10.2 $55.18
5/15/20232,830,000 shares $174.44 million +14.6%6.0%10.8 $61.64
4/30/20232,470,000 shares $143.38 million -1.6%5.3%9.5 $58.05
4/15/20232,510,000 shares $137.57 million +0.4%5.3%9.7 $54.81
3/31/20232,500,000 shares $123.60 million +8.7%5.3%9.5 $49.44
3/15/20232,300,000 shares $121.12 million +10.1%4.9%8.6 $52.66
2/28/20232,090,000 shares $114.64 million No Change4.5%6.9 $54.85
2/15/20232,090,000 shares $134.87 million No Change4.5%6.3 $64.53
1/31/20232,090,000 shares $128.05 million +8.9%4.5%5.8 $61.27
1/15/20231,920,000 shares $122.00 million +39.1%4.1%4.9 $63.54
12/30/20221,380,000 shares $78.76 million -28.5%3.0%3.6 $57.07
12/15/20221,930,000 shares $114.68 million +27.0%4.1%5.2 $59.42
11/30/20221,520,000 shares $95.47 million -9.5%3.3%3.9 $62.81
11/15/20221,680,000 shares $109.33 million -15.6%3.6%4.4 $65.08
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10/31/20221,990,000 shares $113.71 million -13.9%5.2%6 $57.14
10/15/20222,310,000 shares $111.76 million +6.9%6.1%7.8 $48.38
9/30/20222,160,000 shares $101.39 million +27.8%5.7%7.7 $46.94
9/15/20221,690,000 shares $76.17 million +89.5%4.4%5.7 $45.07
8/31/2022891,800 shares $47.10 million -1.2%2.3%3.1 $52.81
8/15/2022902,500 shares $49.42 million -15.7%2.4%4.3 $54.76
7/31/20221,070,000 shares $49.37 million No Change2.8%4.9 $46.14
7/15/20221,070,000 shares $46.28 million +4.9%2.8%5 $43.25
6/30/20221,020,000 shares $38.06 million -4.7%2.4%4.8 $37.31
6/15/20221,070,000 shares $32.37 million -21.3%2.5%5.3 $30.25
5/31/20221,360,000 shares $38.56 million +18.3%3.2%7 $28.35
5/15/20221,150,000 shares $33.74 million +31.6%2.7%6.2 $29.34
4/30/2022873,800 shares $28.49 million -0.1%2.0%5.5 $32.61
4/15/2022874,300 shares $30.64 million +2.5%2.0%5 $35.05
3/31/2022852,700 shares $25.50 million +4.0%2.0%4.9 $29.90
3/15/2022820,000 shares $20.25 million +9.1%1.9%5.6 $24.70
2/28/2022751,900 shares $16.62 million +5.1%1.8%5.6 $22.10
2/15/2022715,500 shares $17.64 million +64.7%1.7%5.7 $24.66
1/31/2022434,400 shares $9.80 million +17.7%1.0%3.6 $22.57
1/15/2022369,200 shares $8.47 million -5.0%N/A3.5 $22.95
12/31/2021388,700 shares $13.31 million +5.4%0.9%5.5 $34.24
12/15/2021368,700 shares $11.99 million +144.5%0.9%5.8 $32.51
11/30/2021150,800 shares $5.43 million -1.3%0.4%2.5 $35.99
11/15/2021152,800 shares $5.97 million -17.8%0.4%2.5 $39.10
10/29/2021185,800 shares $7.16 million +9.6%0.4%2.6 $38.52
10/15/2021169,500 shares $6.44 million -50.1%0.4%2.4 $38.00
9/30/2021339,500 shares $12.59 million +131.6%0.8%4.8 $37.07
9/15/2021146,600 shares $4.74 million -12.6%0.3%2.1 $32.31
8/31/2021167,700 shares $5.80 million -53.9%0.4%2.4 $34.56
8/13/2021363,500 shares $11.17 million No Change0.9%6.1 $30.72

IMCR Short Interest - Frequently Asked Questions

Short interest is the volume of Immunocore shares that have been sold short but have not yet been closed out or covered. As of July 31st, traders have sold 8,217,977 shares of IMCR short. 17.97% of Immunocore's shares are currently sold short. Learn More on Immunocore'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. IMCR shares currently have a short interest ratio of 17.4. Learn More on Immunocore'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. 17.97% of Immunocore's floating shares are currently sold short.

Immunocore saw a drop in short interest in July. As of July 31st, there was short interest totaling 8,217,977 shares, a drop of 8.1% from the previous total of 8,940,861 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.

17.97% of Immunocore's shares are currently sold short. Here is how the short interest of companies in the industry of "biotechnology" compare to Immunocore: CG Oncology, Inc. (14.04%), Mirum Pharmaceuticals, Inc. (11.46%), Xenon Pharmaceuticals Inc. (5.74%), Dianthus Therapeutics, Inc. (15.80%), Ligand Pharmaceuticals Incorporated (11.47%), Oruka Therapeutics, Inc. (17.45%), Erasca, Inc. (11.23%), Kiniksa Pharmaceuticals International, plc (11.52%), PTC Therapeutics, Inc. (13.37%), Scholar Rock Holding Corporation (16.17%),

As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($70.50 billion), Invesco QQQ ($50.36 billion), iShares Russell 2000 ETF ($21.20 billion), Western Digital Corporation ($13.40 billion), SPDR S&P Biotech ETF ($11.59 billion), Nebius Group N.V. ($11.46 billion), iShares 20+ Year Treasury Bond ETF ($7.84 billion), iShares iBoxx $ High Yield Corporate Bond ETF ($7.51 billion), iShares Semiconductor ETF ($6.37 billion), and Financial Select Sector SPDR Fund ($6.34 billion). View all of the most shorted stocks.

Short selling IMCR is an investing strategy that aims to generate trading profit from Immunocore as its price is falling. IMCR shares are trading down $0.54 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 Immunocore 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 IMCR, 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 IMCR, twice per month. The most recent reporting period available is July, 31 2026.

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

  • 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.


Related Companies
Short Interest Tools

Short interest data for NASDAQ:IMCR is sourced from the Financial Industry Regulatory Authority (FINRA), with the most recent report published on 8/11/2026. FINRA publishes updated short interest twice a month.
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