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Tango Therapeutics (TNGX) Short Interest Ratio & Short Volume

Tango Therapeutics logo
$23.78 +0.41 (+1.75%)
Closing price 09/11/2026 04:00 PM Eastern
Extended Trading
$23.78 -0.01 (-0.02%)
As of 09/11/2026 07:30 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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Tango Therapeutics Short Interest Overview

As of August 31, 2026, Tango Therapeutics (TNGX) had a short interest of 42.63 million shares sold short, representing 27.04% of the public float. This marks a -1.29% decrease in short interest since the prior report. The short interest ratio (days to cover) is 19.7, meaning it would take 19.7 days of the average trading volume of 2.13 million shares to cover all short positions.

Current Short Interest
42,627,550 shares
Previous Short Interest
43,186,169 shares
Change Vs. Previous Month
-1.29%
Dollar Volume Sold Short
$973.61 million
Short Interest Ratio
19.7 Days to Cover
Last Record Date
August 31, 2026
Outstanding Shares
168,610,000 shares
Short Percent of Float
27.04%
Today's Trading Volume
2,279,285 shares
Average Trading Volume
2,127,323 shares
Today's Volume Vs. Average
107%
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Short Interest ChartDays to Cover ChartShort Percent of Float Chart

TNGX Short Interest Over Time

TNGX Days to Cover Over Time

TNGX Percentage of Float Shorted Over Time

Tango 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
8/31/202642,627,550 shares $973.61 million -1.3%27.0%19.7 $22.84
8/14/202643,186,169 shares $1.11 billion -3.2%27.4%20.93 $25.60
7/31/202644,608,423 shares $1.21 billion +4.4%33.0%19.15 $27.18
7/15/202642,720,390 shares $1.29 billion +1.7%31.6%15.32 $30.25
6/30/202642,009,250 shares $1.31 billion +23.4%31.1%6.59 $31.26
6/15/202634,040,485 shares $1.12 billion +1.7%25.2%5.43 $32.90
5/29/202633,488,854 shares $736.09 million +5.3%24.8%13.01 $21.98
5/15/202631,809,897 shares $654.01 million -16.8%23.5%10 $20.56
4/30/202638,250,843 shares $826.98 million -5.0%28.4%12.51 $21.62
4/15/202640,245,058 shares $1.02 billion -0.3%29.8%14.36 $25.33
3/31/202640,370,279 shares $845.60 million -14.6%29.8%12.09 $20.95
3/13/202647,246,429 shares $817.36 million -3.1%34.9%9.77 $17.30
2/27/202648,739,116 shares $542.95 million +3.6%36.0%18.2 $11.14
2/13/202647,035,092 shares $606.75 million +2.7%34.8%16.21 $12.90
1/30/202645,822,083 shares $531.99 million +7.2%33.9%16.78 $11.61
1/15/202642,753,576 shares $499.79 million +7.0%31.6%12.03 $11.69
12/31/202539,972,307 shares $354.15 million +19.1%29.6%13.49 $8.86
12/15/202533,549,991 shares $305.98 million +0.9%24.8%16.28 $9.12
11/28/202533,248,529 shares $362.91 million +7.9%24.6%9.93 $10.92
11/14/202530,816,336 shares $251.77 million +4.9%24.8%10.34 $8.17
10/31/202529,388,713 shares $238.05 million -19.2%23.6%5.33 $8.10
10/15/202536,350,000 shares $346.05 million +7.5%56.5%13.9 $9.52
9/30/202533,810,000 shares $284.00 million +26.2%52.6%17.2 $8.40
9/15/202526,800,000 shares $182.78 million +5.5%40.4%12.8 $6.82
8/31/202525,400,000 shares $170.43 million +1.0%38.9%12.3 $6.71
8/15/202525,160,000 shares $170.33 million +11.9%40.1%9.6 $6.77
7/31/202522,480,000 shares $135.78 million +4.4%37.2%7.1 $6.04
7/15/202521,530,000 shares $127.24 million +1.6%36.5%7.6 $5.91
6/30/202521,190,000 shares $108.49 million +35.2%36.0%7.8 $5.12
6/15/202515,670,000 shares $73.49 million -1.8%26.6%6.5 $4.69
5/31/202515,950,000 shares $34.77 million +16.0%27.1%7.6 $2.18
5/15/202513,750,000 shares $20.90 million +9.6%23.3%9.5 $1.52
4/30/202512,550,000 shares $17.70 million +11.7%21.2%17.5 $1.41
4/15/202511,240,000 shares $15.46 million +12.0%19.0%15.8 $1.38
3/31/202510,040,000 shares $13.75 million +10.2%17.0%12.6 $1.37
3/15/20259,110,000 shares $17.76 million +29.4%15.4%10.4 $1.95
2/28/20257,040,000 shares $14.57 million +18.5%11.9%7.3 $2.07
2/15/20255,940,000 shares $14.67 million +9.2%12.3%5.9 $2.47
1/31/20255,440,000 shares $16.21 million -22.5%11.0%3.2 $2.98
1/15/20257,020,000 shares $19.31 million -6.3%14.1%3.8 $2.75
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12/31/20247,490,000 shares $23.14 million -7.1%15.0%3.9 $3.09
12/15/20248,060,000 shares $24.66 million +11.6%16.3%4.2 $3.06
11/30/20247,220,000 shares $28.45 million +1.6%14.6%3.9 $3.94
11/15/20247,110,000 shares $27.37 million -21.7%14.4%3.9 $3.85
10/31/20249,080,000 shares $49.35 million +2.0%14.6%6 $5.44
10/15/20248,900,000 shares $61.50 million -17.7%15.4%9.7 $6.91
9/30/202410,810,000 shares $83.24 million +3.4%18.7%11.9 $7.70
9/15/202410,450,000 shares $109.73 million +2.4%18.1%11.5 $10.50
8/31/202410,210,000 shares $120.78 million +0.9%17.8%11.9 $11.83
8/15/202410,120,000 shares $95.13 million +11.0%17.7%13 $9.40
7/31/20249,120,000 shares $89.83 million +7.4%16.0%12.1 $9.85
7/15/20248,490,000 shares $85.07 million +1.9%15.3%11.7 $10.02
6/30/20248,330,000 shares $71.47 million -15.0%15.1%13 $8.58
6/15/20249,800,000 shares $87.51 million -6.5%17.8%15.6 $8.93
5/31/202410,480,000 shares $72.52 million -1.3%19.0%16.7 $6.92
5/15/202410,620,000 shares $82.84 million -2.5%12.1%17.9 $7.80
4/30/202410,890,000 shares $83.85 million +2.5%19.8%17.7 $7.70
4/15/202410,630,000 shares $77.81 million +4.3%19.4%17.6 $7.32
3/31/202410,190,000 shares $80.91 million +14.8%19.4%14.6 $7.94
3/15/20248,880,000 shares $80.19 million +0.1%16.9%13.4 $9.03
2/29/20248,870,000 shares $98.72 million -7.4%17.7%14.4 $11.13
2/15/20249,580,000 shares $113.24 million -8.9%19.1%15.1 $11.82
1/31/202410,510,000 shares $123.49 million +0.6%20.6%16.2 $11.75
1/15/202410,450,000 shares $114.32 million +2.7%20.5%14.9 $10.94
12/31/202310,180,000 shares $100.78 million +8.2%19.9%9.9 $9.90
12/15/20239,410,000 shares $100.12 million -3.6%18.4%8.3 $10.64
11/30/20239,760,000 shares $74.18 million +4.5%19.2%7.9 $7.60
11/15/20239,340,000 shares $67.57 million +10.7%18.4%7.7 $7.24
10/31/20238,440,000 shares $70.90 million +23.0%16.1%3.3 $8.40
10/15/20236,860,000 shares $52.75 million +29.4%13.0%2.8 $7.69
9/30/20235,300,000 shares $59.68 million +49.7%11.4%2.6 $11.26
9/15/20233,540,000 shares $30.13 million +37.2%7.6%2 $8.51
8/31/20232,580,000 shares $16.74 million -7.9%5.6%1.6 $6.49
8/15/20232,800,000 shares $19.32 million +71.8%6.9%1.7 $6.90
7/31/20231,630,000 shares $5.51 million +8.7%3.8%1.2 $3.38
7/15/20231,500,000 shares $5.15 million -1.3%3.5%7.8 $3.43
6/30/20231,520,000 shares $5.05 million +1.3%3.5%7.3 $3.32
6/15/20231,500,000 shares $5.42 million -18.5%3.5%6.6 $3.61
5/31/20231,840,000 shares $4.97 million +1.1%3.6%8.2 $2.70
5/15/20231,820,000 shares $6.86 million -18.0%3.6%11 $3.77
4/30/20232,220,000 shares $7.55 million -11.9%4.4%11 $3.40
4/15/20232,520,000 shares $10.74 million -2.0%5.0%12 $4.26
3/31/20232,570,000 shares $10.15 million +9.4%5.1%12.8 $3.95
3/15/20232,350,000 shares $10.06 million +2.2%4.7%12.3 $4.28
2/28/20232,300,000 shares $12.03 million +8.0%4.6%11 $5.23
2/15/20232,130,000 shares $12.10 million +43.9%4.2%9.6 $5.68
1/31/20231,480,000 shares $9.77 million +3.5%2.9%7.2 $6.60
1/15/20231,430,000 shares $11.53 million -2.1%2.9%7.1 $8.06
12/30/20221,460,000 shares $10.59 million +33.9%2.9%6.8 $7.25
12/15/20221,090,000 shares $8.63 million -14.8%2.2%5.1 $7.92
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11/30/20221,280,000 shares $9.61 million -0.8%2.8%5.8 $7.51
11/15/20221,290,000 shares $10.45 million +3.2%2.9%6.1 $8.10
10/31/20221,250,000 shares $10.05 million +13.6%2.8%6.2 $8.04
10/15/20221,100,000 shares $5.69 million +3.8%2.4%5.1 $5.17
9/30/20221,060,000 shares $3.84 million -24.3%2.4%4.8 $3.62
9/15/20221,400,000 shares $5.01 million +7.7%3.1%4 $3.58
8/31/20221,300,000 shares $5.33 million -4.4%2.9%3.7 $4.10
8/15/20221,360,000 shares $7.33 million -16.1%3.0%3.4 $5.39
7/31/20221,620,000 shares $6.63 million -3.0%3.6%4 $4.09
7/15/20221,670,000 shares $7.53 million -8.7%3.7%4.2 $4.51
6/30/20221,830,000 shares $8.29 million +81.2%4.1%4.9 $4.53
6/15/20221,010,000 shares $4.13 million +3.8%2.2%2.6 $4.09
5/31/2022973,300 shares $6.51 million -14.6%2.2%3.2 $6.69
5/15/20221,140,000 shares $5.78 million -63.2%2.5%4.3 $5.07
4/30/20223,100,000 shares $22.82 million +3.0%6.9%12.6 $7.36
4/15/20223,010,000 shares $23.00 million -2.9%6.7%13 $7.64
3/31/20223,100,000 shares $23.50 million +40.3%6.9%13.9 $7.58
3/15/20222,210,000 shares $19.51 million +5.2%4.9%11.3 $8.83
2/28/20222,100,000 shares $19.24 million No Change4.7%15.3 $9.16
2/15/20222,100,000 shares $19.64 million No Change5.3%15 $9.35
1/31/20222,100,000 shares $17.91 million +1.9%5.3%12.9 $8.53
1/15/20222,060,000 shares $17.80 million -10.4%5.2%12.4 $8.64
12/31/20212,300,000 shares $25.16 million -2.1%5.8%15.3 $10.94
12/15/20212,350,000 shares $25.76 million -6.4%5.9%14.9 $10.96
11/30/20212,510,000 shares $26.03 million +16.2%6.3%11 $10.37
11/15/20212,160,000 shares $29.16 million +64.9%5.4%9.5 $13.50
10/29/20211,310,000 shares $16.82 million -7.1%3.7%6.4 $12.84
10/15/20211,410,000 shares $19.78 million -6.6%4.0%7.3 $14.03
9/30/20211,510,000 shares $19.52 million +365.6%4.3%7.9 $12.93
9/15/2021324,300 shares $5.13 million +593.0%0.9%1.9 $15.83

TNGX Short Interest - Frequently Asked Questions

Short interest is the volume of Tango Therapeutics shares that have been sold short but have not yet been covered or closed out. As of August 31st, traders have sold 42,627,550 shares of TNGX short. 27.04% of Tango Therapeutics' shares are currently sold short. Learn More on Tango 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. TNGX shares currently have a short interest ratio of 19.7. Learn More on Tango 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. 27.04% of Tango Therapeutics' floating shares are currently sold short.

Tango Therapeutics saw a drop in short interest in the month of August. As of August 31st, there was short interest totaling 42,627,550 shares, a drop of 1.3% from the previous total of 43,186,169 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.

27.04% of Tango Therapeutics' shares are currently sold short. Here is how the short interest of companies in the industry of "biotechnology" compare to Tango Therapeutics: BridgeBio Pharma, Inc. (13.03%), Exelixis, Inc. (11.87%), Summit Therapeutics PLC (31.40%), BioMarin Pharmaceutical Inc. (5.14%), Madrigal Pharmaceuticals, Inc. (11.77%), Halozyme Therapeutics, Inc. (13.45%), Arrowhead Pharmaceuticals, Inc. (6.94%), Abivax SA Sponsored ADR (7.98%), Krystal Biotech, Inc. (13.02%), Praxis Precision Medicines, Inc. (13.81%),

As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($62.68 billion), Invesco QQQ ($47.06 billion), iShares Russell 2000 ETF ($23.54 billion), SPDR S&P Biotech ETF ($12.10 billion), Nebius Group N.V. ($9.34 billion), Western Digital Corporation ($8.96 billion), Financial Select Sector SPDR Fund ($8.16 billion), iShares 20+ Year Treasury Bond ETF ($7.98 billion), iShares iBoxx $ High Yield Corporate Bond ETF ($7.52 billion), and VanEck Semiconductor ETF ($7.39 billion). View all of the most shorted stocks.

Short selling TNGX is an investing strategy that aims to generate trading profit from Tango Therapeutics as its price is falling. TNGX shares are trading up $0.41 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 Tango Therapeutics 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 TNGX, 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 TNGX, twice per month. The most recent reporting period available is August, 31 2026.

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

  • 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:TNGX is sourced from the Financial Industry Regulatory Authority (FINRA), with the most recent report published on 9/10/2026. FINRA publishes updated short interest twice a month.
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