Free Trial
→ Secret financial plot unfolding in Washington DC… [DEVELOPING] (From Timothy Sykes) (Ad) Free REGN Stock Alerts

Regeneron Pharmaceuticals (REGN) Short Interest Ratio & Short Volume

Regeneron Pharmaceuticals logo
$700.33 +4.31 (+0.62%)
Closing price 02/21/2025 04:00 PM Eastern
Extended Trading
$703.93 +3.60 (+0.51%)
As of 02/21/2025 07:50 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.
Compare

Regeneron Pharmaceuticals Short Interest Data

Regeneron Pharmaceuticals (REGN) has a short interest of 2.19 million shares. This marks a 3.30% increase in short interest from the previous month. The short interest ratio (days to cover) is 2.4, indicating that it would take 2.4 days of the average trading volume of 923,518 shares to cover all short positions.

Current Short Interest
2,190,000 shares
Previous Short Interest
2,120,000 shares
Change Vs. Previous Month
+3.30%
Dollar Volume Sold Short
$1.47 billion
Short Interest Ratio
2.4 Days to Cover
Last Record Date
January 31, 2025
Outstanding Shares
109,320,000 shares
Percentage of Shares Shorted
2.00%
Today's Trading Volume
727,332 shares
Average Trading Volume
923,518 shares
Today's Volume Vs. Average
79%
Short Selling Regeneron Pharmaceuticals?
cover of A Guide to High-Short-Interest Stocks and How to Trade Them ebook

Sign up to receive the latest short interest report for Regeneron Pharmaceuticals and its competitors with MarketBeat's FREE newsletter.

Skip Charts & View Short Interest History
Short Interest ChartDays to Cover ChartShort Percent of Float Chart

REGN Short Interest Over Time

REGN Days to Cover Over Time

REGN Percentage of Float Shorted Over Time

Regeneron Pharmaceuticals 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
1/31/20252,190,000 shares $1.47 billion +3.3%N/A2.4 $672.98
1/15/20252,120,000 shares $1.49 billion +1.0%N/A2.4 $703.43
12/31/20242,100,000 shares $1.50 billion +11.7%N/A2.6 $712.33
12/15/20241,880,000 shares $1.37 billion +4.4%N/A2.2 $731.30
11/30/20241,800,000 shares $1.35 billion +0.6%N/A2.3 $750.22
11/15/20241,790,000 shares $1.35 billion -3.2%N/A2.5 $756.81
10/31/20241,850,000 shares $1.55 billion +7.6%N/A2.9 $838.20
10/15/20241,720,000 shares $1.75 billion -0.6%N/A3 $1,016.53
9/30/20241,730,000 shares $1.82 billion -12.6%N/A3.3 $1,051.24
9/15/20241,980,000 shares $2.28 billion -5.7%N/A4.1 $1,153.35
8/31/20242,100,000 shares $2.49 billion -0.5%N/A4.6 $1,184.69
8/15/20242,110,000 shares $2.48 billion +5.0%N/A4.7 $1,175.33
7/31/20242,010,000 shares $2.17 billion +6.4%N/A4.6 $1,079.19
7/15/20241,890,000 shares $2.05 billion -7.4%N/A4.3 $1,082.11
6/30/20242,040,000 shares $2.14 billion +10.3%N/A4.5 $1,051.03
6/15/20241,850,000 shares $1.92 billion +5.7%N/A4.1 $1,036.52
5/31/20241,750,000 shares $1.72 billion +7.4%N/A4 $980.16
5/15/20241,630,000 shares $1.59 billion +3.8%N/A3.7 $978.21
4/30/20241,570,000 shares $1.40 billion +13.0%N/A3.4 $890.66
4/15/20241,390,000 shares $1.25 billion -2.1%N/A3 $898.56
3/31/20241,420,000 shares $1.37 billion +2.2%N/A3 $962.49
3/15/20241,390,000 shares $1.34 billion +2.2%N/A2.7 $964.47
2/29/20241,360,000 shares $1.31 billion -0.7%N/A2.4 $966.09
2/15/20241,370,000 shares $1.31 billion +9.6%N/A2.4 $954.73
1/31/20241,250,000 shares $1.18 billion +16.8%N/A2.2 $942.78
1/15/20241,070,000 shares $998.52 million +0.9%1.0%1.9 $933.20
12/31/20231,060,000 shares $930.99 million -13.1%1.0%2 $878.29
12/15/20231,220,000 shares $1.05 billion -0.8%1.2%2.4 $859.14
11/30/20231,230,000 shares $1.01 billion -12.1%1.2%2.7 $823.81
11/15/20231,400,000 shares $1.11 billion +6.9%1.3%3.3 $792.38
10/31/20231,310,000 shares $1.02 billion -4.4%1.3%3 $779.89
10/15/20231,370,000 shares $1.15 billion +16.1%1.3%3 $839.63
9/30/20231,180,000 shares $971.09 million -18.6%1.1%2.4 $822.96
9/15/20231,450,000 shares $1.19 billion -2.0%1.4%2.5 $823.40
8/31/20231,480,000 shares $1.22 billion +8.8%1.4%2.5 $826.49
8/15/20231,360,000 shares $1.10 billion +1.5%1.3%2.1 $805.91
7/31/20231,340,000 shares $994.16 million +5.5%1.3%2.1 $741.91
7/15/20231,270,000 shares $912.52 million +17.6%N/A2 $718.52
6/30/20231,080,000 shares $776.02 million -12.2%N/A1.8 $718.54
6/15/20231,230,000 shares $963.18 million +7.9%N/A2.2 $783.07
Collect $7k per month from Tesla’s SECRET dividend (Ad)

There's a little-known secret about Tesla that even seasoned investors don't know. Despite not paying a traditional dividend, there's a way to collect up to $7,013 per month from Tesla… starting as early as next month. This backdoor strategy is changing the game for smart investors. Want to see how it works?

Click here to uncover Tesla's hidden income secret.
5/31/20231,140,000 shares $838.54 million -5.8%N/A2 $735.56
5/15/20231,210,000 shares $908.66 million +2.5%N/A2.1 $750.96
4/30/20231,180,000 shares $946.11 million -2.5%1.1%2 $801.79
4/15/20231,210,000 shares $1.00 billion -6.9%1.2%2 $829.33
3/31/20231,300,000 shares $1.07 billion +7.4%1.2%2 $821.67
3/15/20231,210,000 shares $919.96 million +0.8%1.2%1.9 $760.30
2/28/20231,200,000 shares $912.50 million -10.5%1.2%1.9 $760.42
2/15/20231,340,000 shares $1.01 billion -8.2%1.3%2.1 $752.40
1/31/20231,460,000 shares $1.11 billion +3.6%1.4%2.2 $758.47
1/15/20231,410,000 shares $1.02 billion -6.0%1.4%2.2 $722.13
12/30/20221,500,000 shares $1.08 billion +4.2%1.5%2.2 $721.49
12/15/20221,440,000 shares $1.05 billion -7.1%1.4%2.1 $731.27
11/30/20221,550,000 shares $1.17 billion -11.9%1.5%2.1 $751.70
11/15/20221,760,000 shares $1.28 billion -0.6%1.7%2.3 $728.73
10/31/20221,770,000 shares $1.33 billion -16.1%1.7%2.3 $748.75
10/15/20222,110,000 shares $1.55 billion -7.5%2.1%2.8 $736.06
9/30/20222,280,000 shares $1.57 billion -3.8%2.2%3.2 $688.87
9/15/20222,370,000 shares $1.67 billion -18.6%2.3%3.5 $705.85
8/31/20222,910,000 shares $1.69 billion -0.7%2.8%4.3 $581.06
8/15/20222,930,000 shares $1.88 billion -4.6%2.9%4.6 $643.29
7/31/20223,070,000 shares $1.79 billion +7.3%3.0%4.6 $581.69
7/15/20222,860,000 shares $1.74 billion +3.3%2.8%4.3 $607.54
6/30/20222,770,000 shares $1.64 billion +7.4%N/A4.1 $591.13
6/15/20222,580,000 shares $1.45 billion +23.4%N/A3.7 $561.19
5/31/20222,090,000 shares $1.39 billion -4.1%N/A3.1 $664.74
5/15/20222,180,000 shares $1.41 billion +0.9%N/A3.4 $645.52
4/30/20222,160,000 shares $1.42 billion +0.5%N/A3.2 $659.11
4/15/20222,150,000 shares $1.58 billion -2.3%2.1%3 $733.02
3/31/20222,200,000 shares $1.54 billion -8.0%2.1%3 $698.42
3/15/20222,390,000 shares $1.59 billion +6.7%2.3%3.3 $665.93
2/28/20222,240,000 shares $1.39 billion +4.7%2.2%3 $618.36
2/15/20222,140,000 shares $1.35 billion +19.6%2.1%2.8 $630.15
1/31/20221,790,000 shares $1.09 billion -1.7%1.7%2.4 $608.59
1/15/20221,820,000 shares $1.12 billion +11.0%1.8%2.4 $615.24
12/31/20211,640,000 shares $1.04 billion +7.2%1.6%2.2 $631.52
12/15/20211,530,000 shares $1.01 billion +3.4%1.5%1.9 $657.93
11/30/20211,480,000 shares $942.06 million -8.1%1.4%2 $636.53
11/15/20211,610,000 shares $1.04 billion -14.4%1.6%2.1 $647.73
10/29/20211,880,000 shares $1.20 billion +6.8%1.8%2.3 $639.94
10/15/20211,760,000 shares $973.70 million -2.2%1.7%2.2 $553.24
9/30/20211,800,000 shares $1.09 billion +14.7%1.8%2.4 $605.18
9/15/20211,570,000 shares $1.02 billion +15.4%1.5%2 $652.00
8/31/20211,360,000 shares $915.82 million -3.6%1.3%1.7 $673.40
8/13/20211,410,000 shares $880.95 million -11.3%1.4%1.8 $624.79
7/30/20211,590,000 shares $913.63 million -13.6%1.6%2.1 $574.61
7/15/20211,840,000 shares $1.08 billion +30.5%1.8%2.4 $589.32
6/30/20211,410,000 shares $787.54 million -26.6%1.4%1.8 $558.54
6/15/20211,920,000 shares $1.01 billion -9.0%1.9%2.4 $527.49
5/28/20212,110,000 shares $1.06 billion -5.4%2.1%2.6 $502.43
5/14/20212,230,000 shares $1.15 billion -4.7%2.2%2.6 $517.17
Collect $7k per month from Tesla’s SECRET dividend (Ad)

There's a little-known secret about Tesla that even seasoned investors don't know. Despite not paying a traditional dividend, there's a way to collect up to $7,013 per month from Tesla… starting as early as next month. This backdoor strategy is changing the game for smart investors. Want to see how it works?

Click here to uncover Tesla's hidden income secret.
4/30/20212,340,000 shares $1.13 billion -14.9%2.3%2.5 $485.00
4/15/20212,750,000 shares $1.32 billion +24.4%2.7%2.8 $481.16
3/31/20212,210,000 shares $1.04 billion -16.9%2.2%2.1 $470.67
3/15/20212,660,000 shares $1.25 billion +14.7%2.6%2.6 $471.46
2/26/20212,320,000 shares $1.05 billion +10.0%2.3%2.2 $453.19
2/12/20212,110,000 shares $1.04 billion +8.8%2.1%2 $490.54
1/29/20211,940,000 shares $982.16 million -18.8%1.9%2 $506.27
1/15/20212,390,000 shares $1.24 billion +6.2%2.4%2.6 $517.91
12/31/20202,250,000 shares $1.08 billion +14.8%2.2%2.4 $478.30
12/15/20201,960,000 shares $980.74 million -8.0%1.9%1.9 $500.38
11/30/20202,130,000 shares $1.09 billion +6.0%2.1%2.2 $514.05
11/15/20202,010,000 shares $1.14 billion -7.4%2.0%2.1 $566.43
10/30/20202,170,000 shares $1.21 billion -6.9%2.1%2.4 $555.79
10/15/20202,330,000 shares $1.40 billion +13.7%2.3%2.7 $600.82
9/30/20202,050,000 shares $1.15 billion +28.1%2.0%2.4 $559.78
9/15/20201,600,000 shares $927.84 million +0.6%1.6%2.1 $579.90
8/31/20201,590,000 shares $985.69 million -0.6%1.6%2 $619.93
8/14/20201,600,000 shares $980.11 million -15.3%1.6%1.4 $612.57
7/31/20201,890,000 shares $1.19 billion -5.0%1.9%1.5 $632.07
7/15/20201,990,000 shares $1.28 billion -6.1%1.9%1.5 $641.23
6/30/20202,120,000 shares $1.32 billion -14.2%2.0%1.5 $623.65
6/15/20202,470,000 shares $1.46 billion +24.1%2.3%1.7 $590.57
5/29/20201,990,000 shares $1.22 billion +11.8%1.9%1.3 $612.81
5/15/20201,780,000 shares $1.03 billion -4.8%2.1%1.2 $576.72
4/30/20201,870,000 shares $983.40 million -7.0%2.2%1.4 $525.88
4/15/20202,010,000 shares $1.03 billion +12.9%2.5%1.5 $511.69
3/31/20201,780,000 shares $1.01 billion -30.4%2.2%1.4 $566.21
3/13/20202,558,900 shares $1.31 billion -11.2%3.1%2 $512.96
2/28/20202,880,000 shares $1.31 billion +8.7%3.5%2.9 $455.63

REGN Short Interest - Frequently Asked Questions

What is Regeneron Pharmaceuticals' current short interest?

Short interest is the volume of Regeneron Pharmaceuticals shares that have been sold short but have not yet been closed out or covered. As of January 31st, traders have sold 2,190,000 shares of REGN short. Learn More on Regeneron Pharmaceuticals' current short interest.

What is a good short interest ratio for Regeneron 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. REGN shares currently have a short interest ratio of 2.0. Learn More on Regeneron Pharmaceuticals's short interest ratio.

Which institutional investors are shorting Regeneron Pharmaceuticals?

As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Regeneron Pharmaceuticals: Wolverine Trading LLC, Squarepoint Ops LLC, Point72 Asset Management L.P., Nomura Holdings Inc., Millennium Management LLC, Laurion Capital Management LP, Group One Trading LLC, Eisler Capital Management Ltd., D. E. Shaw & Co. Inc., Cresset Asset Management LLC, Cubist Systematic Strategies LLC, Caption Management LLC, Centiva Capital LP, Capstone Investment Advisors LLC, Citadel Advisors LLC, Balyasny Asset Management L.P., Bank of America Corp DE, BNP Paribas Financial Markets, Jane Street Group LLC, Tudor Investment Corp ET AL, Parallax Volatility Advisers L.P., Two Sigma Securities LLC, Susquehanna International Group LLP, Hsbc Holdings PLC, Concourse Financial Group Securities Inc., PEAK6 LLC, Walleye Trading LLC, Walleye Capital LLC, Barclays PLC, Capital Fund Management S.A., Capula Management Ltd, National Bank of Canada FI, JPMorgan Chase & Co., Mirae Asset Securities USA Inc., Simplex Trading LLC, NINE MASTS CAPITAL Ltd, Garda Capital Partners LP, Allianz Asset Management GmbH, Covenant Asset Management LLC, IMC Chicago LLC, XR Securities LLC, SG Americas Securities LLC, and JPMorgan Chase & Co.. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission.

Is Regeneron Pharmaceuticals' short interest increasing or decreasing?

Regeneron Pharmaceuticals saw a increase in short interest in January. As of January 31st, there was short interest totaling 2,190,000 shares, an increase of 3.3% from the previous total of 2,120,000 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.

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

Here is how the short interest of companies in the industry of "biotechnology" compare to Regeneron Pharmaceuticals: Amgen Inc. (2.38%), Gilead Sciences, Inc. (1.85%), Vertex Pharmaceuticals Incorporated (1.78%), Alnylam Pharmaceuticals, Inc. (2.27%), Biogen Inc. (2.59%), United Therapeutics Co. (4.59%), Incyte Co. (3.06%), BioMarin Pharmaceutical Inc. (2.36%), Neurocrine Biosciences, Inc. (2.41%), Exelixis, Inc. (4.72%),

Which stocks are the most shorted right now?

As of the most recent reporting period, the following stocks had the largest short interest positions: AppLovin Co. ($5.21 billion), Charter Communications, Inc. ($4.07 billion), Reddit, Inc. ($3.33 billion), The Kroger Co. ($2.67 billion), Cencora, Inc. ($2.29 billion), Hims & Hers Health, Inc. ($2.17 billion), SoFi Technologies, Inc. ($1.99 billion), Live Nation Entertainment, Inc. ($1.87 billion), Rivian Automotive, Inc. ($1.76 billion), and Moderna, Inc. ($1.60 billion). View all of the most shorted stocks.

What does it mean to sell short Regeneron Pharmaceuticals stock?

Short selling REGN is an investing strategy that aims to generate trading profit from Regeneron Pharmaceuticals as its price is falling. REGN shares are trading up $4.31 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 Regeneron Pharmaceuticals?

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

How often is Regeneron 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 REGN, twice per month. The most recent reporting period available is January, 31 2025.



Related Companies
Short Interest Tools

This page (NASDAQ:REGN) was last updated on 2/22/2025 by MarketBeat.com Staff
From Our Partners
Secret financial plot unfolding in Washington DC… [DEVELOPING]
What stocks are next up to soar in 2025? I believe I’ve found the answer - and it might surprise you. Yo...
Timothy Sykes | Sponsored
Elon’s “New Gold”
MIT scientists just developed a brand-new metal… A metal that’s shaping up to be, not only the biggest brea...
True Market Insiders | Sponsored
Grab This Altcoin Before Trump's Crypto Announcement
Grab This Altcoin Before Trump's Crypto Announcement Whatever it is, I expect it to pump the market, which ...
Crypto 101 Media | Sponsored
Has Trump finally met his match?
Dylan Jovine predicted the 2008 crash over a year before it happened. Folks who listened to him had the chance...
Behind the Markets | Sponsored
Market down? Do this now.
During Trump's first term, his tariffs sent gold prices soaring. Investors who acted early made a fortune. Now...
Colonial Metals | Sponsored
Collect $7k per month from Tesla’s SECRET dividend
Tesla doesn't pay a traditional dividend.... But I just discovered a secret backdoor to collect a secret 69...
Investors Alley | Sponsored
What is this southern state hiding?
The financial press had a field day this week after President Donald Trump and Department of Government Effici...
Stansberry Research | Sponsored
Elon Takes Aim at Social Security
Elon Musk just dropped another bombshell... He revealed his DOGE organization has been taking aim at Social...
Altimetry | Sponsored