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Aura Biosciences (AURA) Short Interest Ratio & Short Volume

Aura Biosciences logo
$7.02 +0.07 (+1.01%)
As of 06/23/2026 04:00 PM Eastern
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Aura Biosciences Short Interest Overview

As of May 29, 2026, Aura Biosciences (AURA) had a short interest of 3.76 million shares sold short, representing 3.88% of the public float. This marks a 19.22% increase in short interest since the prior report. The short interest ratio (days to cover) is 7.6, meaning it would take 7.6 days of the average trading volume of 504,776 shares to cover all short positions.

Current Short Interest
3,762,979 shares
Previous Short Interest
3,156,446 shares
Change Vs. Previous Month
19.22%
Dollar Volume Sold Short
$28.11 million
Short Interest Ratio
7.6 Days to Cover
Last Record Date
May 29, 2026
Outstanding Shares
103,390,000 shares
Short Percent of Float
3.88%
Today's Trading Volume
500,366 shares
Average Trading Volume
504,776 shares
Today's Volume Vs. Average
99%
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Short Interest ChartDays to Cover ChartShort Percent of Float Chart

AURA Short Interest Over Time

AURA Days to Cover Over Time

AURA Percentage of Float Shorted Over Time

Aura Biosciences Tesla Short Interest History & Recent Changes

Export
Report DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date
5/29/20263,762,979 shares $28.11 million +19.2%3.9%7.58 $7.47
5/15/20263,156,446 shares $24.43 million +44.0%3.3%2.78 $7.74
4/30/20262,192,556 shares $15.46 million +8.9%3.6%7.97 $7.05
4/15/20262,013,075 shares $14.27 million -23.0%2.1%6.14 $7.09
3/31/20262,615,841 shares $17.50 million +4.3%2.7%8.86 $6.69
3/13/20262,508,348 shares $14.90 million +11.5%4.2%8.88 $5.94
2/27/20262,249,277 shares $13.25 million -22.1%2.3%10.81 $5.89
2/13/20262,885,504 shares $16.07 million -8.8%3.0%15.37 $5.57
1/30/20263,163,686 shares $17.72 million -0.9%5.3%17.47 $5.60
1/15/20263,192,788 shares $16.32 million +0.6%5.4%17.85 $5.11
12/31/20253,172,944 shares $17.29 million +3.7%5.3%15.49 $5.45
12/15/20253,058,660 shares $19.36 million -5.3%5.1%20.53 $6.33
11/28/20253,231,139 shares $21.34 million +10.6%5.4%13.28 $6.61
11/14/20252,922,667 shares $16.16 million 0.0%4.9%14.63 $5.53
10/31/20252,922,993 shares $17.92 million -7.0%5.0%9.66 $6.13
10/15/20253,140,000 shares $19.94 million No Change6.9%13.2 $6.35
9/30/20253,140,000 shares $19.41 million +7.5%7.6%15.8 $6.18
9/15/20252,920,000 shares $17.43 million +4.7%7.0%13.9 $5.97
8/31/20252,790,000 shares $17.47 million +1.8%6.7%15.5 $6.26
8/15/20252,740,000 shares $18.41 million -0.7%6.6%14.7 $6.72
7/31/20252,760,000 shares $19.02 million +1.9%5.9%13 $6.89
7/15/20252,710,000 shares $17.78 million +1.5%5.8%12.8 $6.56
6/30/20252,670,000 shares $16.71 million -1.8%5.7%12 $6.26
6/15/20252,720,000 shares $17.46 million +3.0%5.9%9.2 $6.42
5/31/20252,640,000 shares $15.42 million +10.5%5.7%9.1 $5.84
5/15/20252,390,000 shares $12.38 million +10.7%5.1%8.3 $5.18
4/30/20252,160,000 shares $12.59 million +10.8%4.8%8.1 $5.83
4/15/20251,950,000 shares $10.86 million +37.3%4.4%7.6 $5.57
3/31/20251,420,000 shares $8.32 million +19.3%3.2%5.7 $5.86
3/15/20251,190,000 shares $8.75 million +6.3%2.7%7.2 $7.35
2/28/20251,120,000 shares $8.39 million -13.2%2.5%7.1 $7.49
2/15/20251,290,000 shares $10.26 million +6.6%2.9%7.6 $7.95
1/31/20251,210,000 shares $9.50 million -14.2%2.7%6.8 $7.85
1/15/20251,410,000 shares $10.90 million +10.2%3.1%7.7 $7.73
12/31/20241,280,000 shares $10.52 million +20.8%2.9%6.2 $8.22
12/15/20241,060,000 shares $8.91 million +2.9%2.5%5.2 $8.41
11/30/20241,030,000 shares $9.59 million +8.8%2.4%5.1 $9.31
11/15/2024947,100 shares $8.97 million -16.2%2.2%4.9 $9.47
10/31/20241,130,000 shares $11.80 million +7.6%2.7%6.9 $10.44
10/15/20241,050,000 shares $10.35 million -8.7%2.5%5.7 $9.86
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9/30/20241,150,000 shares $10.25 million -12.2%2.7%7.2 $8.91
9/15/20241,310,000 shares $13.19 million +0.8%3.1%6.9 $10.07
8/31/20241,300,000 shares $10.34 million +5.7%3.1%7.4 $7.95
8/15/20241,230,000 shares $10.06 million -63.1%3.0%6.2 $8.18
7/31/20243,330,000 shares $34.00 million +0.6%8.0%16.2 $10.21
7/15/20243,310,000 shares $29.76 million +11.1%8.5%18.9 $8.99
6/30/20242,980,000 shares $22.53 million +3.1%7.6%17.7 $7.56
6/15/20242,890,000 shares $21.18 million +0.7%7.4%19.6 $7.33
5/31/20242,870,000 shares $21.09 million +6.3%7.4%14.5 $7.35
5/15/20242,700,000 shares $20.25 million -2.2%6.9%14.4 $7.50
4/30/20242,760,000 shares $20.42 million +7.0%7.0%15.6 $7.40
4/15/20242,580,000 shares $19.48 million +5.3%6.5%14.2 $7.55
3/31/20242,450,000 shares $19.23 million +9.4%6.2%13.6 $7.85
3/15/20242,240,000 shares $16.13 million +4.7%7.3%12.3 $7.20
2/29/20242,140,000 shares $19.41 million -15.4%6.9%14.3 $9.07
2/15/20242,530,000 shares $22.01 million +2.0%8.2%16.8 $8.70
1/31/20242,480,000 shares $19.10 million -5.7%8.2%10.9 $7.70
1/15/20242,630,000 shares $22.01 million -1.9%8.6%11.7 $8.37
12/31/20232,680,000 shares $23.74 million +10.3%8.8%12.4 $8.86
12/15/20232,430,000 shares $21.87 million -4.3%7.9%11.7 $9.00
11/30/20232,540,000 shares $20.37 million -3.1%8.3%14.4 $8.02
11/15/20232,620,000 shares $21.20 million +2.0%8.6%16.7 $8.09
10/31/20232,570,000 shares $20.97 million -4.1%8.7%19.3 $8.16
10/15/20232,680,000 shares $22.70 million No Change9.1%47.9 $8.47
9/30/20232,680,000 shares $24.04 million +0.8%9.1%51.4 $8.97
9/15/20232,660,000 shares $25.03 million -0.8%9.0%51.7 $9.41
8/31/20232,680,000 shares $27.82 million -2.9%9.1%37.2 $10.38
8/15/20232,760,000 shares $28.15 million -1.4%9.3%37.7 $10.20
7/31/20232,800,000 shares $33.32 million +0.4%9.7%37.6 $11.90
7/15/20232,790,000 shares $34.07 million -0.4%9.6%34.2 $12.21
6/30/20232,800,000 shares $34.58 million +2.2%9.7%32.8 $12.35
6/15/20232,740,000 shares $34.55 million +24.6%9.5%29.5 $12.61
5/31/20232,200,000 shares $24.90 million +35.0%7.6%21.2 $11.32
5/15/20231,630,000 shares $17.49 million -3.0%6.2%15.1 $10.73
4/30/20231,680,000 shares $15.19 million +2.4%6.4%15.2 $9.04
4/15/20231,640,000 shares $14.27 million +5.1%6.2%14.3 $8.70
3/31/20231,560,000 shares $14.48 million +24.8%6.0%13.1 $9.28
3/15/20231,250,000 shares $12.73 million +30.2%4.8%10.8 $10.18
2/28/2023960,000 shares $9.59 million +22.3%4.8%11.7 $9.99
2/15/2023785,000 shares $8.75 million +27.0%3.9%7.9 $11.15
1/31/2023618,100 shares $6.43 million +41.3%3.1%5.7 $10.41
1/15/2023437,500 shares $4.99 million -36.4%2.2%4.6 $11.40
12/30/2022688,300 shares $7.23 million +38.7%3.9%7.2 $10.50
12/15/2022496,400 shares $5.93 million -53.2%2.8%5.3 $11.95
11/30/20221,060,000 shares $15.14 million +1.9%6.0%10.1 $14.28
11/15/20221,040,000 shares $14.14 million -14.1%5.8%12.5 $13.60
10/31/20221,210,000 shares $14.99 million -4.7%6.8%16.6 $12.39
10/15/20221,270,000 shares $17.22 million -3.8%7.1%17.6 $13.56
9/30/20221,320,000 shares $23.92 million +4.8%7.4%19.5 $18.12
9/15/20221,260,000 shares $18.11 million +3.3%7.1%13.5 $14.37
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8/31/20221,220,000 shares $16.30 million -7.6%6.8%11.4 $13.36
8/15/20221,320,000 shares $24.88 million -1.5%7.4%12 $18.85
7/31/20221,340,000 shares $19.11 million -0.7%7.5%12.6 $14.26
7/15/20221,350,000 shares $19.39 million +10.7%7.6%12.5 $14.36
6/30/20221,220,000 shares $17.29 million +27.7%6.9%11.2 $14.17
6/15/2022955,600 shares $13.11 million +17.8%5.4%9.8 $13.72
5/31/2022810,900 shares $14.17 million +15.4%4.5%16.4 $17.47
5/15/2022703,000 shares $11.63 million +9.4%3.9%16.9 $16.54
4/30/2022642,500 shares $10.90 million +23.6%3.6%17 $16.96
4/15/2022519,900 shares $9.28 million +56.1%2.9%16.5 $17.85
3/31/2022333,000 shares $7.33 million +73.3%1.8%11.5 $22.00
3/15/2022192,200 shares $4.14 million +53.9%1.1%5 $21.53
2/28/2022124,900 shares $2.24 million -0.9%0.7%2.2 $17.90
2/15/2022126,000 shares $2.64 million -2.0%0.7%1.9 $20.99
1/31/2022128,500 shares $2.35 million +26.9%0.7%1.5 $18.25
1/15/2022101,300 shares $1.66 million +0.8%0.6%0.7 $16.40
12/31/2021100,500 shares $1.71 million No Change0.6%0.6 $16.98

AURA Short Interest - Frequently Asked Questions

Short interest is the volume of Aura Biosciences shares that have been sold short but have not yet been covered or closed out. As of May 29th, traders have sold 3,762,979 shares of AURA short. 3.88% of Aura Biosciences' shares are currently sold short. Learn More on Aura Biosciences' 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. AURA shares currently have a short interest ratio of 7.6. Learn More on Aura Biosciences'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. 3.88% of Aura Biosciences' floating shares are currently sold short.

Aura Biosciences saw a increase in short interest in the month of May. As of May 29th, there was short interest totaling 3,762,979 shares, an increase of 19.2% from the previous total of 3,156,446 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.

3.88% of Aura Biosciences' shares are currently sold short. Here is how the short interest of companies in the industry of "pharmaceutical products" compare to Aura Biosciences: Enliven Therapeutics, Inc. (8.82%), Ultragenyx Pharmaceutical Inc. (15.75%), Vera Therapeutics, Inc. (17.94%), Kailera Therapeutics, Inc. (2.07%), Anbio Biotechnology (0.06%), Trevi Therapeutics, Inc. (11.70%), Aurinia Pharmaceuticals Inc (7.81%), Kodiak Sciences Inc. (30.48%), Pharvaris N.V. (1.08%), Immunome, Inc. (16.05%),

As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($81.27 billion), Invesco QQQ ($49.06 billion), iShares Russell 2000 ETF ($23.61 billion), Western Digital Corporation ($16.93 billion), Sandisk Corporation ($15.61 billion), Salesforce Inc. ($11.65 billion), SPDR S&P Biotech ETF ($10.52 billion), Nebius Group N.V. ($10.24 billion), Lumentum Holdings Inc. ($8.74 billion), and iShares iBoxx $ High Yield Corporate Bond ETF ($8.21 billion). View all of the most shorted stocks.

Short selling AURA is an investing strategy that aims to generate trading profit from Aura Biosciences as its price is falling. AURA shares are trading up $0.07 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 Aura Biosciences 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 AURA, 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 AURA, twice per month. The most recent reporting period available is May, 29 2026.

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

  • 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:AURA) was last updated on 6/9/2026 by MarketBeat.com Staff.
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