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ProQR Therapeutics (PRQR) Short Interest Ratio & Short Volume

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$1.76 +0.06 (+3.24%)
As of 03:49 PM Eastern
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ProQR Therapeutics Short Interest Overview

As of June 30, 2026, ProQR Therapeutics (PRQR) had a short interest of 1.20 million shares sold short, representing 1.24% of the public float. This marks a 18.79% increase in short interest since the prior report. The short interest ratio (days to cover) is 0.6, meaning it would take 0.6 days of the average trading volume of 705,038 shares to cover all short positions.

Current Short Interest
1,199,214 shares
Previous Short Interest
1,009,500 shares
Change Vs. Previous Month
18.79%
Dollar Volume Sold Short
$2.23 million
Short Interest Ratio
0.6 Days to Cover
Last Record Date
June 30, 2026
Outstanding Shares
105,360,000 shares
Short Percent of Float
1.24%
Today's Trading Volume
800,921 shares
Average Trading Volume
705,038 shares
Today's Volume Vs. Average
114%
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Short Interest ChartDays to Cover ChartShort Percent of Float Chart

PRQR Short Interest Over Time

PRQR Days to Cover Over Time

PRQR Percentage of Float Shorted Over Time

ProQR Therapeutics 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
6/30/20261,199,214 shares $2.23 million +18.8%1.2%0.61 $1.86
6/15/20261,009,500 shares $1.57 million +13.7%1.0%1.78 $1.56
5/29/2026887,574 shares $1.40 million +2.5%0.9%1.6 $1.58
5/15/2026865,672 shares $1.38 million +2.5%0.9%1.75 $1.59
4/30/2026844,972 shares $1.33 million -33.0%0.9%0.92 $1.57
4/15/20261,261,281 shares $2.51 million -24.4%1.3%1.71 $1.99
3/31/20261,667,465 shares $2.70 million -0.9%1.7%3.93 $1.62
3/13/20261,683,024 shares $3.06 million -1.3%1.7%4.87 $1.82
2/27/20261,704,877 shares $2.71 million -4.4%1.8%6.93 $1.59
2/13/20261,782,469 shares $2.60 million -0.2%1.8%4.45 $1.46
1/30/20261,785,809 shares $2.89 million +47.2%1.9%4.06 $1.62
1/15/20261,213,326 shares $1.92 million -2.8%1.3%2.05 $1.58
12/31/20251,248,698 shares $2.52 million -2.0%1.3%2.4 $2.02
12/15/20251,273,703 shares $3.12 million +19.9%1.3%1.65 $2.45
11/28/20251,062,666 shares $2.47 million +36.6%1.1%3.27 $2.32
11/14/2025778,119 shares $1.69 million +0.3%0.8%2.43 $2.17
10/31/2025775,919 shares $2.13 million -62.9%0.8%1.24 $2.75
10/15/20252,090,000 shares $5.66 million +80.2%2.2%4.9 $2.71
9/30/20251,160,000 shares $2.47 million -4.1%N/A3.4 $2.13
9/15/20251,210,000 shares $2.41 million +120.1%N/A3.8 $1.99
8/31/2025549,700 shares $1.24 million +53.6%0.6%1.8 $2.25
8/15/2025357,900 shares $733.70 thousand -4.6%N/A1.2 $2.05
7/31/2025375,100 shares $787.71 thousand -13.1%0.4%1.2 $2.10
7/15/2025431,600 shares $1.02 million +23.1%N/A1.1 $2.36
6/30/2025350,600 shares $715.22 thousand -45.4%0.4%0.8 $2.04
6/15/2025641,600 shares $1.21 million +9.8%0.7%1.3 $1.88
5/31/2025584,200 shares $981.46 thousand +3.0%0.8%1 $1.68
5/15/2025567,400 shares $924.86 thousand +50.9%0.8%1 $1.63
4/30/2025376,000 shares $624.16 thousand -54.5%N/A0.7 $1.66
4/15/2025825,500 shares $982.35 thousand -2.1%1.1%1.6 $1.19
3/31/2025843,100 shares $1.12 million -17.3%1.1%1.8 $1.33
3/15/20251,020,000 shares $1.72 million +12.7%1.4%2.4 $1.69
2/28/2025904,800 shares $2.11 million -6.3%1.2%2.1 $2.33
2/15/2025965,900 shares $2.34 million +4.4%1.3%2.4 $2.42
1/31/2025925,500 shares $1.96 million -8.4%N/A1.9 $2.12
1/15/20251,010,000 shares $2.31 million +10.0%N/A1.7 $2.29
12/31/2024918,100 shares $2.43 million +151.7%N/A0.6 $2.65
12/15/2024364,700 shares $1.03 million +94.4%N/A0.2 $2.83
11/30/2024187,600 shares $720.38 thousand -54.7%N/A0.1 $3.84
11/15/2024413,800 shares $1.58 million -38.9%N/A0.3 $3.82
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10/31/2024677,600 shares $2.37 million +408.3%N/A0.5 $3.50
10/15/2024133,300 shares $241.27 thousand -10.5%0.3%0.1 $1.81
9/30/2024148,900 shares $271.00 thousand -6.2%0.3%1.1 $1.82
9/15/2024158,700 shares $293.60 thousand -4.3%0.3%1.5 $1.85
8/31/2024165,900 shares $335.12 thousand -4.5%0.3%1.5 $2.02
8/15/2024173,700 shares $387.35 thousand +6.9%0.3%1.5 $2.23
7/31/2024162,500 shares $313.63 thousand -5.4%0.3%1.7 $1.93
7/15/2024171,700 shares $300.48 thousand -0.9%0.3%1.7 $1.75
6/30/2024173,200 shares $287.51 thousand -11.9%0.3%1.5 $1.66
6/15/2024196,600 shares $346.02 thousand -18.5%0.4%1.6 $1.76
5/31/2024241,200 shares $470.34 thousand +3.7%0.5%1.7 $1.95
5/15/2024232,500 shares $444.08 thousand +8.0%0.5%1.5 $1.91
4/30/2024215,300 shares $417.68 thousand -10.9%0.4%1.1 $1.94
4/15/2024241,500 shares $493.87 thousand -7.5%0.5%1.2 $2.05
3/31/2024261,100 shares $597.89 thousand -4.0%0.5%0.9 $2.29
3/15/2024272,100 shares $696.58 thousand +3.1%0.5%0.9 $2.56
2/29/2024263,900 shares $533.08 thousand -17.3%0.6%0.9 $2.02
2/15/2024319,000 shares $622.05 thousand +5.9%0.7%1 $1.95
1/31/2024301,300 shares $653.82 thousand -39.1%0.6%0.9 $2.17
1/15/2024494,800 shares $1.10 million -27.3%1.0%1.6 $2.23
12/31/2023680,400 shares $1.35 million -30.7%1.4%3.3 $1.98
12/15/2023981,100 shares $2.11 million +55.8%2.0%4.3 $2.15
11/30/2023629,800 shares $976.19 thousand +2.6%1.3%2.9 $1.55
11/15/2023613,600 shares $908.13 thousand -9.0%1.2%3.5 $1.48
10/31/2023674,200 shares $775.33 thousand -4.5%1.4%3.8 $1.15
10/15/2023705,800 shares $868.13 thousand +2.9%1.4%3.7 $1.23
9/30/2023685,900 shares $891.67 thousand -24.4%1.4%3.3 $1.30
9/15/2023907,500 shares $1.46 million -3.6%1.8%4.7 $1.61
8/31/2023940,900 shares $1.51 million -2.9%1.7%3.9 $1.61
8/15/2023969,400 shares $1.49 million -16.4%1.8%3.5 $1.54
7/31/20231,160,000 shares $1.74 million +148.1%2.1%3.6 $1.50
7/15/2023467,600 shares $818.30 thousand -2.9%0.9%1.3 $1.75
6/30/2023481,300 shares $779.71 thousand -8.4%0.9%1.2 $1.62
6/15/2023525,200 shares $892.84 thousand -34.0%0.9%0.8 $1.70
5/31/2023796,200 shares $1.39 million -41.9%1.4%1 $1.74
5/15/20231,370,000 shares $2.63 million -33.5%2.5%1.6 $1.92
4/30/20232,060,000 shares $4.49 million -20.2%3.7%2.3 $2.18
4/15/20232,580,000 shares $5.75 million -4.1%4.6%2.6 $2.23
3/31/20232,690,000 shares $5.73 million +66.1%5.1%2.2 $2.13
3/15/20231,620,000 shares $5.02 million +21.8%3.5%0.6 $3.10
2/28/20231,330,000 shares $3.92 million +16.7%2.9%0.5 $2.95
2/15/20231,140,000 shares $3.28 million -23.0%2.5%0.4 $2.88
1/31/20231,480,000 shares $4.08 million -20.0%3.1%0.5 $2.76
1/15/20231,850,000 shares $6.35 million -7.5%3.9%0.6 $3.43
12/30/20222,000,000 shares $7.40 million +102.0%4.2%0.8 $3.70
12/15/2022990,200 shares $1.64 million +0.1%1.7%0.4 $1.66
11/30/2022989,600 shares $1.22 million +44.3%1.7%1.3 $1.23
11/15/2022685,700 shares $654.98 thousand -34.7%1.2%1 $0.96
10/31/20221,050,000 shares $971.36 thousand -16.0%1.8%1.9 $0.93
10/15/20221,250,000 shares $1.11 million +131.4%2.2%2.6 $0.89
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9/30/2022540,300 shares $401.98 thousand +54.6%0.9%1.2 $0.74
9/15/2022349,600 shares $276.11 thousand +1.7%0.6%0.9 $0.79
8/31/2022343,900 shares $271.65 thousand +6.7%0.6%0.8 $0.79
8/15/2022322,300 shares $286.85 thousand +3.2%0.6%0.7 $0.89
7/31/2022312,300 shares $261.58 thousand -7.1%0.6%0.6 $0.84
7/15/2022336,000 shares $268.80 thousand -52.0%0.6%0.5 $0.80
6/30/2022699,900 shares $544.52 thousand +33.5%1.2%0.8 $0.78
6/15/2022524,400 shares $399.12 thousand -27.4%1.0%0.5 $0.76
5/31/2022722,500 shares $476.85 thousand -29.9%1.3%0.7 $0.66
5/15/20221,030,000 shares $638.60 thousand -10.4%1.9%0.9 $0.62
4/30/20221,150,000 shares $796.95 thousand -28.1%2.1%0.6 $0.69
4/15/20221,600,000 shares $1.26 million +27.0%2.9%0.8 $0.79
3/31/20221,260,000 shares $1.14 million -8.7%2.3%0.7 $0.91
3/15/20221,380,000 shares $1.28 million -31.7%2.5%0.8 $0.93
2/28/20222,020,000 shares $2.16 million -37.5%3.7%1.3 $1.07
2/15/20223,230,000 shares $4.07 million +46.2%5.9%2.2 $1.26
1/31/20222,210,000 shares $12.04 million +82.6%3.9%4.7 $5.45
1/15/20221,210,000 shares $8.18 million +45.2%2.5%3.2 $6.76
12/31/2021833,400 shares $6.68 million +23.7%1.7%2.5 $8.01
12/15/2021673,600 shares $4.75 million +6.4%1.4%1.6 $7.05
11/30/2021633,300 shares $4.47 million -35.5%1.3%0.9 $7.06
11/15/2021981,200 shares $7.61 million -41.9%2.0%1.4 $7.76
10/29/20211,690,000 shares $13.05 million -13.3%3.4%2.4 $7.72
10/15/20211,950,000 shares $15.37 million +8.3%3.9%2.6 $7.88
9/30/20211,800,000 shares $15.07 million -2.7%3.6%2.4 $8.37
9/15/20211,850,000 shares $15.30 million -12.3%3.7%2.7 $8.27
8/31/20212,110,000 shares $14.09 million -9.8%4.0%3.1 $6.68
8/13/20212,340,000 shares $14.72 million +29.3%4.4%4.8 $6.29
7/30/20211,810,000 shares $9.47 million -0.6%3.2%3.6 $5.23

PRQR Short Interest - Frequently Asked Questions

Short interest is the volume of ProQR Therapeutics shares that have been sold short but have not yet been closed out or covered. As of June 30th, investors have sold 1,199,214 shares of PRQR short. 1.24% of ProQR Therapeutics' shares are currently sold short. Learn More on ProQR Therapeutics' 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. PRQR shares currently have a short interest ratio of 0.6. Learn More on ProQR Therapeutics'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. 1.24% of ProQR Therapeutics' floating shares are currently sold short.

ProQR Therapeutics saw a increase in short interest in the month of June. As of June 30th, there was short interest totaling 1,199,214 shares, an increase of 18.8% from the previous total of 1,009,500 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.

1.24% of ProQR Therapeutics' shares are currently sold short. Here is how the short interest of companies in the industry of "pharmaceutical products" compare to ProQR Therapeutics: Allogene Therapeutics, Inc. (21.16%), Prime Medicine, Inc. (22.90%), CorMedix Inc (19.72%), 4D Molecular Therapeutics, Inc. (27.63%), Tectonic Therapeutic, Inc. (18.81%), Relmada Therapeutics, Inc. (11.87%), Ginkgo Bioworks Holdings, Inc. (9.05%), Monopar Therapeutics Inc. (25.12%), Bright Minds Biosciences Inc. (17.07%), CytomX Therapeutics, Inc. (21.72%),

As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($82.01 billion), Invesco QQQ ($47.15 billion), iShares Russell 2000 ETF ($24.07 billion), Nebius Group N.V. ($16.85 billion), Western Digital Corporation ($14.29 billion), SPDR S&P Biotech ETF ($11.89 billion), VanEck Semiconductor ETF ($11.29 billion), KLA Corporation ($10.37 billion), iShares 20+ Year Treasury Bond ETF ($8.78 billion), and Lumentum Holdings Inc. ($8.29 billion). View all of the most shorted stocks.

Short selling PRQR is an investing strategy that aims to generate trading profit from ProQR Therapeutics as its price is falling. PRQR shares are trading up $0.04 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 ProQR Therapeutics 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 PRQR, 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 PRQR, twice per month. The most recent reporting period available is June, 30 2026.

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

  • 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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This page (NASDAQ:PRQR) was last updated on 7/10/2026 by MarketBeat.com Staff.
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