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Pfizer (PFE) Short Interest Ratio & Short Volume

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$24.46 +0.16 (+0.64%)
Closing price 03:59 PM Eastern
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$24.44 -0.01 (-0.04%)
As of 07:59 PM Eastern
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Pfizer Short Interest Data

Pfizer (PFE) has a short interest of 104.99 million shares, representing 1.85% of the float (the number of shares available for trading by the public). This marks a -2.23% decrease in short interest from the previous month. The short interest ratio (days to cover) is 2.0, indicating that it would take 2.0 days of the average trading volume of 41.07 million shares to cover all short positions.

Current Short Interest
104,990,000 shares
Previous Short Interest
107,380,000 shares
Change Vs. Previous Month
-2.23%
Dollar Volume Sold Short
$2.46 billion
Short Interest Ratio
2.0 Days to Cover
Last Record Date
May 31, 2025
Outstanding Shares
5,685,366,000 shares
Short Percent of Float
1.85%
Today's Trading Volume
38,525,338 shares
Average Trading Volume
41,072,579 shares
Today's Volume Vs. Average
94%
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Short Interest ChartDays to Cover ChartShort Percent of Float Chart

PFE Short Interest Over Time

PFE Days to Cover Over Time

PFE Percentage of Float Shorted Over Time

Pfizer 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
5/31/2025104,990,000 shares $2.46 billion -2.2%1.9%2 $23.46
5/15/2025107,380,000 shares $2.42 billion -6.8%1.9%2 $22.57
4/30/2025115,160,000 shares $2.81 billion +7.2%N/A2.2 $24.41
4/15/2025107,430,000 shares $2.41 billion +10.2%1.9%2.1 $22.45
3/31/202597,490,000 shares $2.47 billion -1.7%1.7%2 $25.36
3/15/202599,170,000 shares $2.55 billion +4.4%1.8%2.2 $25.74
2/28/202594,960,000 shares $2.51 billion +6.6%1.7%2.3 $26.43
2/15/202589,120,000 shares $2.27 billion +21.1%1.6%2.2 $25.50
1/31/202573,570,000 shares $1.95 billion -19.8%N/A1.7 $26.51
1/15/202591,780,000 shares $2.41 billion +21.2%N/A2.1 $26.25
12/31/202475,710,000 shares $2.01 billion -11.3%N/A1.8 $26.53
12/15/202485,370,000 shares $2.18 billion -5.5%N/A2 $25.58
11/30/202490,380,000 shares $2.37 billion -4.4%N/A2.3 $26.21
11/15/202494,540,000 shares $2.34 billion +52.8%N/A2.5 $24.80
10/31/202461,870,000 shares $1.75 billion -12.8%N/A1.9 $28.29
10/15/202470,940,000 shares $2.09 billion +4.9%N/A2.3 $29.46
9/30/202467,620,000 shares $1.96 billion -9.7%N/A2.1 $28.94
9/15/202474,840,000 shares $2.19 billion +14.5%N/A2.4 $29.27
8/31/202465,380,000 shares $1.90 billion +5.9%N/A2 $29.01
8/15/202461,730,000 shares $1.77 billion -5.5%N/A1.8 $28.71
7/31/202465,330,000 shares $2.00 billion +17.3%N/A1.9 $30.54
7/15/202455,700,000 shares $1.62 billion -7.0%N/A1.5 $29.10
6/30/202459,890,000 shares $1.68 billion -3.5%N/A1.6 $27.98
6/15/202462,070,000 shares $1.71 billion -18.3%N/A1.6 $27.53
5/31/202475,970,000 shares $2.18 billion +8.2%N/A1.9 $28.68
5/15/202470,220,000 shares $2.02 billion +12.3%N/A1.7 $28.82
4/30/202462,510,000 shares $1.60 billion -8.2%N/A1.5 $25.61
4/15/202468,060,000 shares $1.76 billion +4.7%N/A1.6 $25.90
3/31/202465,000,000 shares $1.80 billion -9.3%N/A1.5 $27.75
3/15/202471,650,000 shares $2.00 billion +8.4%N/A1.7 $27.97
2/29/202466,120,000 shares $1.76 billion +9.0%N/A1.4 $26.55
2/15/202460,680,000 shares $1.67 billion +0.8%N/A1.3 $27.51
1/31/202460,190,000 shares $1.63 billion +4.5%N/A1.3 $27.06
1/15/202457,580,000 shares $1.65 billion +1.0%N/A1.4 $28.70
12/31/202357,030,000 shares $1.64 billion -7.9%N/A1.4 $28.79
12/15/202361,890,000 shares $1.65 billion +8.7%N/A1.6 $26.59
11/30/202356,940,000 shares $1.73 billion -1.0%N/A1.8 $30.44
11/15/202357,500,000 shares $1.74 billion +21.9%N/A2 $30.19
10/31/202347,180,000 shares $1.44 billion -13.5%N/A1.8 $30.56
10/15/202354,570,000 shares $1.75 billion +6.8%N/A2 $32.11
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9/30/202351,080,000 shares $1.69 billion +2.3%N/A2.1 $33.17
9/15/202349,950,000 shares $1.70 billion -1.0%N/A2 $34.03
8/31/202350,460,000 shares $1.79 billion -3.7%N/A2.1 $35.38
8/15/202352,390,000 shares $1.85 billion +14.2%N/A1.9 $35.39
7/31/202345,860,000 shares $1.65 billion -13.0%N/A1.7 $36.06
7/15/202352,680,000 shares $1.91 billion -11.5%N/A2 $36.32
6/30/202359,510,000 shares $2.18 billion +8.0%N/A2.3 $36.68
6/15/202355,120,000 shares $2.19 billion -1.2%N/A2.2 $39.77
5/31/202355,780,000 shares $2.12 billion +21.5%N/A2.3 $38.02
5/15/202345,920,000 shares $1.71 billion +4.7%N/A1.9 $37.16
4/30/202343,870,000 shares $1.71 billion +6.0%N/A2.1 $38.89
4/15/202341,370,000 shares $1.70 billion -15.7%N/A1.9 $41.19
3/31/202349,070,000 shares $2.00 billion +11.2%N/A2.1 $40.80
3/15/202344,140,000 shares $1.78 billion +14.7%N/A2 $40.28
2/28/202338,490,000 shares $1.56 billion +1.2%N/A1.7 $40.57
2/15/202338,020,000 shares $1.65 billion -2.9%N/A1.7 $43.32
1/31/202339,170,000 shares $1.73 billion +5.4%N/A1.8 $44.16
1/15/202337,170,000 shares $1.78 billion -12.6%N/A1.7 $47.85
12/30/202242,530,000 shares $2.18 billion -26.7%N/A2 $51.24
12/15/202258,020,000 shares $3.11 billion -7.7%N/A2.7 $53.61
11/30/202262,830,000 shares $3.15 billion -10.3%N/A3.1 $50.13
11/15/202270,040,000 shares $3.40 billion +28.1%N/A3.6 $48.57
10/31/202254,690,000 shares $2.55 billion -12.5%N/A2.7 $46.55
10/15/202262,510,000 shares $2.68 billion +3.5%N/A3.2 $42.86
9/30/202260,370,000 shares $2.64 billion -5.5%N/A3.3 $43.76
9/15/202263,890,000 shares $2.94 billion +2.7%N/A3.6 $45.94
8/31/202262,200,000 shares $2.81 billion -8.5%N/A3.3 $45.23
8/15/202267,940,000 shares $3.38 billion +13.4%N/A3.4 $49.75
7/31/202259,900,000 shares $3.03 billion -11.1%N/A2.9 $50.51
7/15/202267,350,000 shares $3.49 billion -2.3%N/A3 $51.75
6/30/202268,930,000 shares $3.61 billion -10.5%N/A2.9 $52.43
6/15/202276,980,000 shares $3.73 billion -0.3%N/A3.1 $48.51
5/31/202277,200,000 shares $4.09 billion +33.9%N/A2.9 $53.04
5/15/202257,670,000 shares $2.88 billion -15.2%N/A2.1 $49.92
4/30/202267,990,000 shares $3.34 billion +8.5%N/A2.3 $49.07
4/15/202262,650,000 shares $3.33 billion +1.8%N/A2 $53.12
3/31/202261,560,000 shares $3.19 billion +0.6%N/A1.9 $51.77
3/15/202261,180,000 shares $3.19 billion -6.8%N/A1.7 $52.21
2/28/202265,640,000 shares $3.08 billion +3.8%N/A1.7 $46.94
2/15/202263,260,000 shares $3.15 billion -8.6%N/A1.5 $49.79
1/31/202269,220,000 shares $3.65 billion +8.0%N/A1.6 $52.69
1/15/202264,080,000 shares $3.52 billion +9.3%N/A1.5 $54.95
12/31/202158,640,000 shares $3.46 billion -11.2%N/A1.4 $59.05
12/15/202166,010,000 shares $3.88 billion +3.9%N/A1.7 $58.80
11/30/202163,560,000 shares $3.42 billion +0.0%N/A1.9 $53.73
11/15/202163,540,000 shares $3.15 billion +7.9%N/A2.1 $49.65
10/29/202158,880,000 shares $2.58 billion +8.1%N/A1.7 $43.74
10/15/202154,480,000 shares $2.26 billion +4.4%N/A1.7 $41.49
9/30/202152,180,000 shares $2.24 billion -3.5%N/A1.6 $43.01
9/15/202154,090,000 shares $2.42 billion -7.8%N/A1.7 $44.77
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8/31/202158,670,000 shares $2.70 billion -4.5%N/A1.9 $46.07
8/13/202161,420,000 shares $2.98 billion +12.7%N/A2.1 $48.48
7/30/202154,500,000 shares $2.33 billion -11.0%1.0%2.1 $42.81
7/15/202161,240,000 shares $2.46 billion -3.0%N/A2.5 $40.09
6/30/202163,150,000 shares $2.47 billion +5.7%N/A2.4 $39.16
6/15/202159,770,000 shares $2.37 billion +1.3%N/A2.2 $39.59
5/28/202159,000,000 shares $2.29 billion +2.9%N/A2.2 $38.73
5/14/202157,320,000 shares $2.30 billion -1.2%N/A2 $40.10
4/30/202158,020,000 shares $2.24 billion -4.7%N/A1.9 $38.60
4/15/202160,890,000 shares $2.26 billion -7.6%N/A1.9 $37.17
3/31/202165,930,000 shares $2.38 billion -3.5%N/A2 $36.11
3/15/202168,320,000 shares $2.39 billion +1.0%N/A2 $34.94
2/26/202167,650,000 shares $2.29 billion +7.2%N/A1.7 $33.82
2/12/202163,120,000 shares $2.17 billion +0.0%N/A1.5 $34.43
1/29/202163,110,000 shares $2.26 billion -3.6%N/A1.3 $35.86
1/15/202165,480,000 shares $2.41 billion +0.3%N/A1.4 $36.75
12/31/202065,270,000 shares $2.40 billion +3.4%N/A1.5 $36.74
12/15/202063,140,000 shares $2.48 billion -0.9%N/A1.5 $39.21
11/30/202063,680,000 shares $2.37 billion -4.3%N/A1.7 $37.23
11/15/202066,530,000 shares $2.57 billion +44.9%N/A2.1 $38.62
10/30/202045,930,000 shares $1.62 billion +13.6%N/A1.7 $35.28
10/15/202040,440,000 shares $1.49 billion -10.5%N/A1.7 $36.86
9/30/202045,160,000 shares $1.66 billion +5.6%N/A1.8 $36.70
9/15/202042,750,000 shares $1.58 billion -5.4%N/A1.6 $36.96
8/31/202045,210,000 shares $1.71 billion -10.0%N/A1.5 $37.79
8/14/202050,220,000 shares $1.91 billion -6.1%N/A1.6 $38.06
7/31/202053,490,000 shares $2.06 billion +12.7%N/A1.7 $38.48
7/15/202047,470,000 shares $1.70 billion -7.8%N/A1.6 $35.72
6/30/202051,490,000 shares $1.68 billion -4.2%N/A1.8 $32.70
6/15/202053,750,000 shares $1.79 billion +3.3%N/A1.9 $33.36

PFE Short Interest - Frequently Asked Questions

What is Pfizer's current short interest?

Short interest is the volume of Pfizer shares that have been sold short but have not yet been covered or closed out. As of May 31st, investors have sold 104,990,000 shares of PFE short. 1.85% of Pfizer's shares are currently sold short. Learn More on Pfizer's current short interest.

What is a good short interest ratio for Pfizer?

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. PFE shares currently have a short interest ratio of 2.0. Learn More on Pfizer's short interest ratio.

Which institutional investors are shorting Pfizer?

As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Pfizer: Quaker Wealth Management LLC, Jane Street Group LLC, CTC LLC, Goldman Sachs Group Inc., Parallax Volatility Advisers L.P., Millennium Management LLC, CMT Capital Markets Trading GmbH, Capital Markets Trading UK LLP, Cubist Systematic Strategies LLC, Royal Bank of Canada, Caption Management LLC, Nomura Holdings Inc., DRW Securities LLC, Twin Tree Management LP, Symmetry Peak Management LLC, 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., Tradition Wealth Management LLC, Credit Agricole S A, Maven Securities LTD, Marathon Trading Investment Management LLC, Simplex Trading LLC, JPMorgan Chase & Co., Wolverine Asset Management LLC, National Bank of Canada FI, Citigroup Inc., Delta Accumulation LLC, Bank of Nova Scotia, Jefferies Financial Group Inc., Wernau Asset Management Inc., Readystate Asset Management LP, Allianz Asset Management GmbH, Total Wealth Planning & Management Inc., and SG Americas Securities LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission.

What is a good short interest percentage for Pfizer?

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. 1.85% of Pfizer's floating shares are currently sold short.

Is Pfizer's short interest increasing or decreasing?

Pfizer saw a decline in short interest during the month of May. As of May 31st, there was short interest totaling 104,990,000 shares, a decline of 2.2% from the previous total of 107,380,000 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 Pfizer's short interest compare to its competitors?

1.85% of Pfizer's shares are currently sold short. Here is how the short interest of companies in the industry of "pharmaceutical preparations" compare to Pfizer: Johnson & Johnson (0.80%), AbbVie Inc. (0.90%), Merck & Co., Inc. (1.38%), Bristol-Myers Squibb (1.60%), Zoetis Inc. (2.37%), Royalty Pharma plc (8.73%), Corcept Therapeutics Incorporated (13.48%), Jazz Pharmaceuticals plc (9.72%), Perrigo Company plc (3.86%), Supernus Pharmaceuticals, Inc. (7.98%),

Which stocks are the most shorted right now?

As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($64.96 billion), Invesco QQQ ($27.88 billion), iShares Russell 2000 ETF ($19.94 billion), iShares 20+ Year Treasury Bond ETF ($9.69 billion), Strategy Incorporated ($8.58 billion), SPDR S&P Biotech ETF ($5.72 billion), Invesco S&P 500 Equal Weight ETF ($5.45 billion), iShares iBoxx $ Investment Grade Corporate Bond ETF ($4.70 billion), Charter Communications, Inc. ($4.54 billion), and Industrial Select Sector SPDR Fund ($4.49 billion). View all of the most shorted stocks.

What does it mean to sell short Pfizer stock?

Short selling PFE is an investing strategy that aims to generate trading profit from Pfizer as its price is falling. PFE shares are trading up $0.16 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 Pfizer?

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

How often is Pfizer'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 PFE, twice per month. The most recent reporting period available is May, 31 2025.



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This page (NYSE:PFE) was last updated on 6/11/2025 by MarketBeat.com Staff
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