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Moderna (MRNA) Short Interest Ratio & Short Volume

Moderna logo
$27.60 -1.96 (-6.63%)
Closing price 08/1/2025 04:00 PM Eastern
Extended Trading
$27.72 +0.13 (+0.45%)
As of 08/1/2025 07:59 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 Polygon.io. Learn more.
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Moderna Short Interest Data

Moderna (MRNA) has a short interest of 66.24 million shares, representing 19.34% of the float (the number of shares available for trading by the public). This marks a 0.99% increase in short interest from the previous month. The short interest ratio (days to cover) is 6.2, indicating that it would take 6.2 days of the average trading volume of 8.23 million shares to cover all short positions.

Current Short Interest
66,240,000 shares
Previous Short Interest
65,590,000 shares
Change Vs. Previous Month
+0.99%
Dollar Volume Sold Short
$2.09 billion
Short Interest Ratio
6.2 Days to Cover
Last Record Date
July 15, 2025
Outstanding Shares
386,740,000 shares
Float Size
342,490,000 shares
Short Percent of Float
19.34%
Today's Trading Volume
16,270,216 shares
Average Trading Volume
8,225,488 shares
Today's Volume Vs. Average
198%
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Short Interest ChartDays to Cover ChartShort Percent of Float Chart

MRNA Short Interest Over Time

MRNA Days to Cover Over Time

MRNA Percentage of Float Shorted Over Time

Moderna Short Interest History

Export to Excel
Report DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date
7/15/202566,240,000 shares $2.09 billion +1.0%19.3%6.2 $31.58
6/30/202565,590,000 shares $1.81 billion +3.2%19.2%6 $27.59
6/15/202563,560,000 shares $1.70 billion -3.5%18.6%5.9 $26.67
5/31/202565,860,000 shares $1.75 billion -2.1%19.2%6.1 $26.56
5/15/202567,270,000 shares $1.59 billion +11.7%19.6%6.3 $23.65
4/30/202560,220,000 shares $1.72 billion +6.9%17.6%5.8 $28.54
4/15/202556,310,000 shares $1.48 billion +13.1%16.5%5.2 $26.24
3/31/202549,800,000 shares $1.41 billion +6.2%14.6%4.2 $28.35
3/15/202546,880,000 shares $1.62 billion +4.0%13.7%4.1 $34.62
2/28/202545,060,000 shares $1.40 billion +6.5%13.2%4 $30.96
2/15/202542,300,000 shares $1.40 billion +4.2%12.4%3.9 $32.99
1/31/202540,600,000 shares $1.60 billion -5.6%11.8%3.8 $39.42
1/15/202543,010,000 shares $1.50 billion +13.6%12.5%4.5 $34.77
12/31/202437,850,000 shares $1.57 billion -4.2%11.0%4.7 $41.58
12/15/202439,490,000 shares $1.65 billion -3.3%11.5%5.3 $41.83
11/30/202440,840,000 shares $1.76 billion +2.5%11.9%5.6 $43.06
11/15/202439,860,000 shares $1.47 billion +15.9%11.6%5.8 $36.85
10/31/202434,380,000 shares $1.87 billion +3.4%10.0%6.3 $54.36
10/15/202433,260,000 shares $1.91 billion +6.2%9.7%6.7 $57.31
9/30/202431,320,000 shares $2.09 billion +13.4%9.1%6.6 $66.83
9/15/202427,610,000 shares $1.89 billion +7.7%8.1%6.1 $68.28
8/31/202425,630,000 shares $1.98 billion +2.5%7.5%6.7 $77.40
8/15/202425,000,000 shares $2.17 billion +10.7%7.3%6 $86.62
7/31/202422,590,000 shares $2.69 billion -0.7%6.7%5.4 $119.22
7/15/202422,740,000 shares $2.76 billion +2.8%6.8%5.8 $121.48
6/30/202422,130,000 shares $2.63 billion +2.5%6.6%5.6 $118.75
6/15/202421,600,000 shares $3.02 billion +7.0%6.4%5.5 $140.03
5/31/202420,180,000 shares $2.88 billion -5.8%6.0%4.9 $142.55
5/15/202421,430,000 shares $2.77 billion +1.7%6.4%5.4 $129.06
4/30/202421,070,000 shares $2.32 billion +0.4%6.3%5.4 $110.31
4/15/202420,980,000 shares $2.18 billion -2.2%6.2%5.6 $103.86
3/31/202421,440,000 shares $2.28 billion -3.6%6.4%5.2 $106.56
3/15/202422,230,000 shares $2.31 billion +0.5%6.6%5 $103.85
2/29/202422,110,000 shares $2.04 billion -8.2%6.6%4.4 $92.24
2/15/202424,080,000 shares $2.19 billion +15.3%7.2%5 $91.14
1/31/202420,880,000 shares $2.11 billion -9.5%6.3%4.5 $101.05
1/15/202423,070,000 shares $2.44 billion -4.6%7.0%4.5 $105.95
12/31/202324,190,000 shares $2.41 billion +10.6%7.3%4.6 $99.45
12/15/202321,880,000 shares $1.88 billion -0.5%6.6%4.7 $86.01
11/30/202321,990,000 shares $1.71 billion -1.7%6.6%5.4 $77.70
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11/15/202322,380,000 shares $1.71 billion +14.1%6.8%5.6 $76.35
10/31/202319,610,000 shares $1.49 billion +8.6%5.9%4.6 $75.96
10/15/202318,050,000 shares $1.77 billion -2.3%5.5%4.5 $98.30
9/30/202318,470,000 shares $1.91 billion +1.7%5.6%4.9 $103.29
9/15/202318,160,000 shares $2.08 billion +0.6%5.5%4.8 $114.59
8/31/202318,050,000 shares $2.04 billion +4.8%5.5%5.1 $113.07
8/15/202317,220,000 shares $1.66 billion +9.2%5.2%4.6 $96.41
7/31/202315,770,000 shares $1.86 billion +1.7%4.8%4.6 $117.66
7/15/202315,510,000 shares $1.88 billion -11.7%4.7%4.8 $121.35
6/30/202317,560,000 shares $2.13 billion -4.2%5.3%5.2 $121.50
6/15/202318,320,000 shares $2.38 billion -2.1%5.5%5.5 $129.98
5/31/202318,720,000 shares $2.39 billion +2.7%5.6%5.6 $127.71
5/15/202318,220,000 shares $2.37 billion +2.1%5.5%5.1 $130.26
4/30/202317,850,000 shares $2.37 billion +6.9%5.4%5.1 $132.89
4/15/202316,700,000 shares $2.62 billion -2.6%5.0%4.7 $157.10
3/31/202317,150,000 shares $2.63 billion +7.9%5.1%4.8 $153.58
3/15/202315,890,000 shares $2.38 billion +1.3%4.7%4 $149.60
2/28/202315,680,000 shares $2.18 billion +6.9%4.7%3.2 $138.81
2/15/202314,670,000 shares $2.60 billion +3.8%4.4%3 $177.28
1/31/202314,130,000 shares $2.49 billion +0.6%4.2%2.9 $176.06
1/15/202314,040,000 shares $2.70 billion No Change4.2%2.7 $192.00
12/30/202214,040,000 shares $2.52 billion -15.8%4.2%2.6 $179.62
12/15/202216,670,000 shares $3.45 billion No Change5.0%3.1 $207.25
11/30/202216,670,000 shares $2.93 billion +4.3%5.0%3.6 $175.91
11/15/202215,980,000 shares $2.96 billion -3.0%4.8%3.3 $185.47
10/31/202216,480,000 shares $2.48 billion +2.0%5.0%3.3 $150.33
10/15/202216,160,000 shares $2.17 billion +2.2%4.8%3.3 $134.00
9/30/202215,810,000 shares $1.87 billion -3.2%4.7%3.5 $118.25
9/15/202216,340,000 shares $2.22 billion +7.4%4.9%3.3 $135.86
8/31/202215,210,000 shares $2.01 billion +1.5%4.5%3.1 $132.27
8/15/202214,980,000 shares $2.65 billion +1.7%4.4%2.9 $176.78
7/31/202214,730,000 shares $2.42 billion -9.6%4.3%2.7 $164.09
7/15/202216,290,000 shares $2.72 billion +14.3%4.8%2.9 $166.91
6/30/202214,250,000 shares $2.04 billion -3.5%4.2%2.4 $142.85
6/15/202214,760,000 shares $1.90 billion -4.9%4.3%2.4 $128.53
5/31/202215,520,000 shares $2.26 billion -9.0%4.5%2.3 $145.33
5/15/202217,060,000 shares $2.35 billion +10.6%5.0%2.4 $137.91
4/30/202215,430,000 shares $2.07 billion -3.6%4.4%2.1 $134.41
4/15/202216,010,000 shares $2.65 billion -1.2%4.6%2.2 $165.49
3/31/202216,210,000 shares $2.79 billion -6.1%4.7%2 $172.26
3/15/202217,260,000 shares $2.56 billion -2.0%5.0%1.9 $148.12
2/28/202217,610,000 shares $2.70 billion +7.0%5.1%2 $153.60
2/15/202216,460,000 shares $2.49 billion +2.7%4.7%1.6 $151.12
1/31/202216,030,000 shares $2.71 billion +1.5%4.6%1.5 $169.33
1/15/202215,800,000 shares $3.23 billion -5.3%4.5%1.3 $204.73
12/31/202116,690,000 shares $4.24 billion +8.7%4.8%1.4 $253.98
12/15/202115,360,000 shares $4.35 billion +0.5%4.4%1.2 $283.28
11/30/202115,290,000 shares $5.39 billion +4.9%4.4%1.1 $352.43
11/15/202114,570,000 shares $3.42 billion +12.0%4.2%1.2 $235.07
10/29/202113,010,000 shares $4.49 billion -12.1%3.8%0.9 $345.21
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10/15/202114,800,000 shares $4.80 billion +3.3%4.3%0.9 $324.21
9/30/202114,330,000 shares $5.52 billion +0.2%4.2%0.7 $384.86
9/15/202114,300,000 shares $6.21 billion +3.9%4.2%0.8 $434.46
8/31/202113,770,000 shares $5.19 billion -10.6%4.0%0.8 $376.69
8/13/202115,400,000 shares $6.00 billion -18.1%4.5%0.9 $389.78
7/30/202118,810,000 shares $6.65 billion +37.8%5.5%1.3 $353.60
7/15/202113,650,000 shares $3.54 billion +9.6%4.0%1.1 $259.68
6/30/202112,460,000 shares $2.93 billion -13.1%3.6%1.3 $234.98
6/15/202114,330,000 shares $2.89 billion +21.1%4.2%1.5 $201.59
5/28/202111,830,000 shares $2.19 billion -1.0%3.5%1.3 $185.01
5/14/202111,950,000 shares $1.79 billion -7.7%N/A1.3 $149.87
4/30/202112,940,000 shares $2.27 billion +9.3%N/A1.3 $175.67
4/15/202111,840,000 shares $1.89 billion -8.6%N/A1.1 $160.03
3/31/202112,950,000 shares $1.53 billion -13.5%N/A1.1 $118.49
3/15/202114,970,000 shares $2.05 billion +12.6%N/A1 $136.99
2/26/202113,290,000 shares $1.97 billion -9.5%N/A0.7 $148.38
2/12/202114,690,000 shares $2.69 billion -26.5%4.5%0.6 $183.44
1/29/202119,980,000 shares $3.19 billion -19.4%6.1%0.8 $159.55
1/15/202124,800,000 shares $3.22 billion +6.0%7.6%1.1 $129.72
12/31/202023,390,000 shares $2.60 billion -8.6%7.2%1.1 $111.13
12/15/202025,580,000 shares $3.97 billion -7.5%7.9%1.3 $155.07
11/30/202027,640,000 shares $3.51 billion +12.0%8.5%1.7 $127.03
11/15/202024,680,000 shares $2.21 billion -2.2%7.6%2.3 $89.39
10/30/202025,230,000 shares $1.80 billion -7.7%7.8%2.7 $71.28
10/15/202027,340,000 shares $2.09 billion -9.6%8.5%2.4 $76.56
9/30/202030,250,000 shares $2.14 billion +7.2%9.4%1.7 $70.75
9/15/202028,220,000 shares $1.89 billion +0.7%8.8%1.4 $66.88
8/31/202028,020,000 shares $1.82 billion -11.5%8.7%1.4 $64.89
8/14/202031,660,000 shares $2.19 billion +16.4%9.9%1.4 $69.15

MRNA Short Interest - Frequently Asked Questions

What is Moderna's current short interest?

Short interest is the volume of Moderna shares that have been sold short but have not yet been closed out or covered. As of July 15th, traders have sold 66,240,000 shares of MRNA short. 19.34% of Moderna's shares are currently sold short. Learn More on Moderna's current short interest.

What is a good short interest ratio for Moderna?

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. MRNA shares currently have a short interest ratio of 6.0. Learn More on Moderna's short interest ratio.

Which institutional investors are shorting Moderna?

As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Moderna: Allianz Asset Management GmbH, Twin Tree Management LP, Game Plan Financial Advisors LLC, IMC Chicago LLC, Quaker Wealth Management LLC, Jane Street Group LLC, Game Plan Financial Advisors LLC, CTC LLC, Parallax Volatility Advisers L.P., CMT Capital Markets Trading GmbH, Cubist Systematic Strategies LLC, Royal Bank of Canada, Twin Tree Management LP, HAP Trading LLC, BNP Paribas Financial Markets, Eisler Capital Management Ltd., PEAK6 LLC, Jane Street Group LLC, Walleye Trading LLC, Walleye Capital LLC, Capital Fund Management S.A., Marathon Trading Investment Management LLC, Persistent Asset Partners Ltd, Arrowpoint Investment Partners Singapore Pte. Ltd., Simplex Trading LLC, National Bank of Canada FI, Citigroup Inc., XY Capital Ltd, Bank of Nova Scotia, Jefferies Financial Group Inc., and Allianz Asset Management GmbH. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission.

What is a good short interest percentage for Moderna?

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. 19.34% of Moderna's floating shares are currently sold short.

Is Moderna's short interest increasing or decreasing?

Moderna saw a increase in short interest in July. As of July 15th, there was short interest totaling 66,240,000 shares, an increase of 1.0% from the previous total of 65,590,000 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.

What is Moderna's float size?

Moderna currently has issued a total of 386,742,000 shares. Some of Moderna's outstanding shares are available for trading, while others are subject to various restrictions. The public float, also referred to as floating shares or "the float", are shares that publicly owned, unrestricted and available to trade on the open market. Moderna currently has a public float of 342,490,000 shares.

How does Moderna's short interest compare to its competitors?

19.34% of Moderna's shares are currently sold short. Here is how the short interest of companies compare to Moderna: CRISPR Therapeutics AG (29.30%), CureVac N.V. (1.11%), Robinhood Markets, Inc. (4.47%), Novavax, Inc. (26.60%), Ocugen, Inc. (19.22%), Tesla, Inc. (2.17%), Johnson & Johnson (0.76%), Merck & Co., Inc. (1.15%), Pfizer Inc. (1.75%), Takeda Pharmaceutical Co. (0.14%),

Which stocks are the most shorted right now?

As of the most recent reporting period, the following stocks had the largest short interest positions: Coinbase Global, Inc. ($5.11 billion), Charter Communications, Inc. ($4.76 billion), Reddit Inc. ($2.84 billion), SoFi Technologies, Inc. ($2.79 billion), Seagate Technology Holdings PLC ($2.79 billion), Live Nation Entertainment, Inc. ($2.67 billion), Rocket Lab Corporation ($2.49 billion), AST SpaceMobile, Inc. ($2.12 billion), Moderna, Inc. ($2.09 billion), and Omnicom Group Inc. ($2.04 billion). View all of the most shorted stocks.

What does it mean to sell short Moderna stock?

Short selling MRNA is an investing strategy that aims to generate trading profit from Moderna as its price is falling. MRNA shares are trading down $1.96 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.

How does a short squeeze work against Moderna?

A short squeeze for Moderna 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 MRNA, which in turn drives the price of the stock up even further.

How often is Moderna's short interest reported?

Short interest is typically published by a stock exchange once per month. However, NASDAQ publishes a report for U.S. stocks, including MRNA, twice per month. The most recent reporting period available is July, 15 2025.



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This page (NASDAQ:MRNA) was last updated on 8/2/2025 by MarketBeat.com Staff
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