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NASDAQ:ALXN

Alexion Pharmaceuticals Short Interest Ratio and Short Volume

Notice: This company has been marked as potentially delisted and may not be actively trading.
$182.50
0.00 (0.00 %)
(As of 07/28/2021)
Add
Compare
Today's Range
$182.50
$182.50
50-Day Range
$179.45
$186.61
52-Week Range
$99.91
$187.45
Volume10 shs
Average Volume3.31 million shs
Market Capitalization$40.34 billion
P/E Ratio59.64
Dividend YieldN/A
Beta1.25

Alexion Pharmaceuticals (NASDAQ:ALXN) Short Interest Data

Current Short Volume9,800,000 shares
Previous Short Volume8,550,000 shares
Change Vs. Previous Month+14.62%
Dollar Volume Sold Short$1.80 billion
Short Interest Ratio / Days to Cover4.3
Last Record DateJune, 30 2021
Outstanding Shares221,019,000 shares
Float Size220,310,000 shares
Short Percent of Float4.45%
Today's Trading Volume10 shares
Average Trading Volume3,309,941 shares
Today's Volume Vs. Average-100.00%

Days to Cover Over Time

Percentage of Float Shorted Over Time

cover of A Guide to High-Short-Interest Stocks and How to Trade Them ebook
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Alexion Pharmaceuticals (NASDAQ:ALXN) Short Interest History

Report DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date
6/30/20219,800,000 shares $1.80 billion +14.6%4.5%4.3 $183.71
6/15/20218,550,000 shares $1.56 billion +1.1%3.9%4.3 $181.90
5/28/20218,460,000 shares $1.49 billion -9.4%3.8%4 $176.55
5/14/20219,340,000 shares $1.62 billion -2.2%4.2%3.9 $173.33
4/30/20219,550,000 shares $1.58 billion +6.8%4.3%4 $165.58
4/15/20218,940,000 shares $1.39 billion +14.0%4.1%3.5 $155.29
3/31/20217,840,000 shares $1.20 billion +0.5%3.6%3 $153.45
3/15/20217,800,000 shares $1.18 billion -7.7%3.6%2.7 $151.59
2/26/20218,450,000 shares $1.30 billion +7.0%3.9%2.6 $153.65
2/12/20217,900,000 shares $1.22 billion +80.4%3.6%2.7 $154.59
1/29/20214,380,000 shares $688.93 million +13.2%2.0%1.6 $157.29
1/15/20213,870,000 shares $606.24 million +5.2%1.8%1.5 $156.65
12/31/20203,680,000 shares $574.93 million +4.3%1.7%1.5 $156.23
12/15/20203,530,000 shares $551.77 million -17.1%1.6%1.5 $156.31
11/30/20204,260,000 shares $527.52 million +3.4%2.0%2.3 $123.83
11/15/20204,120,000 shares $526.37 million -2.6%1.9%2 $127.76
10/30/20204,230,000 shares $500.03 million -16.7%1.9%2.1 $118.21
10/15/20205,080,000 shares $622.40 million -9.1%2.3%2.4 $122.52
9/30/20205,590,000 shares $639.66 million +10.0%2.6%2.7 $114.43
9/15/20205,080,000 shares $587.15 million +5.0%2.3%2.6 $115.58
8/31/20204,840,000 shares $552.82 million +1.9%2.2%2.6 $114.22
8/14/20204,750,000 shares $489.11 million +7.7%2.2%2.6 $102.97
7/31/20204,410,000 shares $451.98 million -0.2%2.0%2.3 $102.49
7/15/20204,420,000 shares $491.19 million -7.1%2.0%2.1 $111.13
6/30/20204,760,000 shares $534.26 million +8.4%2.2%2.2 $112.24

Institutional Investors Shorting Alexion Pharmaceuticals (NASDAQ:ALXN)

This table shows institutional investors, funds, and major shareholders that have reported short positions as of their most recent reporting period. Most commonly, these investors have purchased put options on shares of Alexion Pharmaceuticals. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission.

Reporting DateInvestor NameShares Shorted (Previous)Shares Shorted (Current)Position ChangePosition Size
8/18/2021Bluefin Capital Management LLCN/A17,400N/A$15.00
8/17/2021Walleye Trading LLC18,50037,900+104.9%$6,963.00
8/17/2021Millennium Management LLC118,700341,100+187.4%$62,663.00
8/17/2021Parallax Volatility Advisers L.P.N/A5,400N/A$992.00
8/17/2021Citadel Advisors LLC92,00072,600-21.1%$13,337.00
8/16/2021Bluefin Capital Management LLCN/A17,400N/A$15.00
8/16/2021Credit Suisse AG3,9003,900No Change$716.00
8/16/2021Goldman Sachs Group Inc.84,10062,200-26.0%$11,427.00
8/16/2021Allianz Asset Management GmbH3,0004,200+40.0%$772.00
8/12/2021JPMorgan Chase & Co.64,100339,100+429.0%$62,296.00
8/12/2021Simplex Trading LLC50549,100+9,622.8%$47.00
8/11/2021Susquehanna International Group LLP270,400232,700-13.9%$42,749.00
8/10/2021Group One Trading L.P.38,00038,700+1.8%$7,110.00
8/10/2021BNP Paribas Arbitrage SA248248No Change$4,556.00
8/10/2021Citigroup Inc.44,00044,000No Change$8,083.00
8/9/2021GAM Holding AG10,00010,000No Change$1,837.00
8/6/2021Wolverine Trading LLC33,2000-100.0%$0.00
7/31/2021Cutler Group LP2,0002,700+35.0%$12.00
7/26/2021XR Securities LLC15,8000-100.0%$0.00

Alexion Pharmaceuticals (NASDAQ:ALXN) Short Interest FAQ

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Alexion Pharmaceuticals (NASDAQ:ALXN) Short Interest Frequently Asked Questions

What is Alexion Pharmaceuticals' current short interest?

Short interest is the volume of Alexion Pharmaceuticals shares that have been sold short but have not yet been closed out or covered. As of June 30th, investors have sold 9,800,000 shares of ALXN short. 4.45% of Alexion Pharmaceuticals' shares are currently sold short. Learn More on Alexion Pharmaceuticals' current short interest.

What is a good short interest ratio for Alexion Pharmaceuticals?

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. Alexion Pharmaceuticals currently has a short interest ratio of 4.0. Learn More on a good short interest ratio for Alexion Pharmaceuticals

Which institutional investors are shorting Alexion Pharmaceuticals?

As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Alexion Pharmaceuticals: Bluefin Capital Management LLC, Walleye Trading LLC, Millennium Management LLC, Parallax Volatility Advisers L.P., Citadel Advisors LLC, Bluefin Capital Management LLC, Credit Suisse AG, Goldman Sachs Group Inc., Allianz Asset Management GmbH, JPMorgan Chase & Co., Simplex Trading LLC, Susquehanna International Group LLP, Group One Trading L.P., BNP Paribas Arbitrage SA, Citigroup Inc., GAM Holding AG, Wolverine Trading LLC, Cutler Group LP, and XR Securities LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission.

What is a good short interest percentage for Alexion Pharmaceuticals?

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. 4.45% of Alexion Pharmaceuticals' floating shares are currently sold short.

Is Alexion Pharmaceuticals' short interest increasing or decreasing?

Alexion Pharmaceuticals saw a increase in short interest in June. As of June 30th, there was short interest totaling 9,800,000 shares, an increase of 14.6% from the previous total of 8,550,000 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 Alexion Pharmaceuticals' float size?

Alexion Pharmaceuticals currently has issued a total of 221,019,000 shares. Some of Alexion Pharmaceuticals' 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. Alexion Pharmaceuticals currently has a public float of 220,310,000 shares.

How does Alexion Pharmaceuticals' short interest compare to its competitors?

4.45% of Alexion Pharmaceuticals' shares are currently sold short. Here is how the short interest of companies in the sub-industry of "biotechnology" compare to Alexion Pharmaceuticals: Amgen Inc. (1.63%), Gilead Sciences, Inc. (0.00%), Regeneron Pharmaceuticals, Inc. (1.39%), Vertex Pharmaceuticals Incorporated (1.58%), Biogen Inc. (1.28%), Seagen Inc. (1.66%), Alnylam Pharmaceuticals, Inc. (3.72%), Exact Sciences Co. (0.00%), Repligen Co. (3.34%), and Novavax, Inc. (8.28%).

Which stocks are the most shorted right now?

As of the most recent reporting period, the following stocks had the largest short interest positions: Advanced Micro Devices, Inc. ($8.32 billion), AstraZeneca PLC ($8.20 billion), Square, Inc. ($7.79 billion), Analog Devices, Inc. ($7.16 billion), S&P Global Inc. ($7.07 billion), Aon plc ($6.17 billion), Charter Communications, Inc. ($5.38 billion), Wayfair Inc. ($4.80 billion), AMC Entertainment Holdings, Inc. ($4.28 billion), and Snowflake Inc. ($3.19 billion). View all of the most shorted stocks.

What does it mean to sell short Alexion Pharmaceuticals stock?

Short selling ALXN is an investing strategy that aims to generate trading profit from Alexion Pharmaceuticals as its price is falling. To short Alexion Pharmaceuticals 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 Alexion Pharmaceuticals 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 Alexion Pharmaceuticals?

A short squeeze for Alexion Pharmaceuticals 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 ALXN, which in turn drives the price of the stock up even further.

How often is Alexion Pharmaceuticals' 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 ALXN, twice per month. The most recent reporting period available is June, 30 2021.



This page was last updated on 9/28/2021 by MarketBeat.com Staff

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