Top 5 Stocks to Buy Now
→ SpaceX IPO hides a much bigger story (From Weiss Ratings) (Ad)tc pixel Free ALGM Stock Alerts

Allegro MicroSystems (ALGM) Short Interest Ratio & Short Volume

Allegro MicroSystems logo
$56.64 -4.93 (-8.01%)
As of 01:08 PM Eastern
This is a fair market value price provided by Massive. Learn more.
Compare

Allegro MicroSystems Short Interest Overview

As of May 29, 2026, Allegro MicroSystems (ALGM) had a short interest of 11.93 million shares sold short, representing 6.43% of the public float. This marks a 14.20% increase in short interest since the prior report. The short interest ratio (days to cover) is 5.1, meaning it would take 5.1 days of the average trading volume of 2.45 million shares to cover all short positions.

Current Short Interest
11,930,842 shares
Previous Short Interest
10,446,907 shares
Change Vs. Previous Month
14.20%
Dollar Volume Sold Short
$570.82 million
Short Interest Ratio
5.1 Days to Cover
Last Record Date
May 29, 2026
Outstanding Shares
186,220,000 shares
Short Percent of Float
6.43%
Today's Trading Volume
1,419,269 shares
Average Trading Volume
2,453,983 shares
Today's Volume Vs. Average
58%
Short Selling Allegro MicroSystems?
A Guide To High-Short-Interest Stocks

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

Get Report
SMS is currently available in Australia, Belgium, Canada, France, Germany, Ireland, Italy, New Zealand, the Netherlands, Singapore, South Africa, Spain, Switzerland, the United Kingdom, and the United States. By entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy.
Skip Charts & View Short Interest History
Short Interest ChartDays to Cover ChartShort Percent of Float Chart

ALGM Short Interest Over Time

ALGM Days to Cover Over Time

ALGM Percentage of Float Shorted Over Time

Allegro MicroSystems Tesla Short Interest History & Recent Changes

Export
Report DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date
5/29/202611,930,842 shares $570.82 million +14.2%6.4%5.12 $47.84
5/15/202610,446,907 shares $450.26 million -5.1%5.7%3.45 $43.10
4/30/202611,011,048 shares $534.04 million -11.6%6.0%5.25 $48.50
4/15/202612,448,216 shares $463.70 million +4.5%6.7%7.48 $37.25
3/31/202611,917,864 shares $375.77 million +5.3%6.4%6.49 $31.53
3/13/202611,319,970 shares $352.39 million +10.2%6.1%6.6 $31.13
2/27/202610,272,676 shares $374.64 million -6.4%5.5%3.64 $36.47
2/13/202610,970,784 shares $464.94 million -11.3%5.9%3.97 $42.38
1/30/202612,366,004 shares $456.43 million +12.7%6.7%3.48 $36.91
1/15/202610,971,271 shares $358.65 million +11.2%6.0%4.72 $32.69
12/31/20259,867,730 shares $260.31 million +9.2%5.4%5.63 $26.38
12/15/20259,038,245 shares $241.50 million -11.7%4.9%4.64 $26.72
11/28/202510,236,718 shares $271.28 million +3.4%5.6%7.26 $26.50
11/14/20259,896,480 shares $244.54 million +3.7%5.4%4.99 $24.71
10/31/20259,540,144 shares $285.44 million +11.0%5.2%3.16 $29.92
10/15/20258,590,000 shares $248.08 million -17.6%7.0%5 $28.88
9/30/202510,430,000 shares $304.56 million +2.0%8.5%6 $29.20
9/15/202510,230,000 shares $305.57 million +15.6%8.3%5.5 $29.87
8/31/20258,850,000 shares $273.02 million +12.2%7.2%4.6 $30.85
8/15/20257,890,000 shares $242.22 million -3.1%6.4%4.1 $30.70
7/31/20258,140,000 shares $255.68 million -32.9%6.6%3.7 $31.41
7/15/202512,130,000 shares $442.38 million -6.6%9.9%4.9 $36.47
6/30/202512,980,000 shares $443.79 million +6.6%10.6%4.6 $34.19
6/15/202512,180,000 shares $348.96 million -7.1%9.9%4.2 $28.65
5/31/202513,110,000 shares $330.24 million -13.0%10.7%4.3 $25.19
5/15/202515,070,000 shares $407.19 million -8.6%12.3%4.1 $27.02
4/30/202516,490,000 shares $314.46 million -1.8%13.5%4.5 $19.07
4/15/202516,790,000 shares $333.79 million +16.5%13.7%4.6 $19.88
3/31/202514,410,000 shares $362.12 million -5.8%11.8%4.4 $25.13
3/15/202515,290,000 shares $409.47 million +0.6%12.5%5 $26.78
2/28/202515,200,000 shares $338.96 million +10.4%12.4%5.2 $22.30
2/15/202513,770,000 shares $354.44 million +22.1%11.3%5.7 $25.74
1/31/202511,280,000 shares $271.74 million +4.5%9.3%5.1 $24.09
1/15/202510,790,000 shares $252.49 million +4.0%8.8%5.2 $23.40
12/31/202410,380,000 shares $226.91 million -9.0%8.5%5.3 $21.86
12/15/202411,400,000 shares $250.80 million -12.0%9.3%5.8 $22.00
11/30/202412,950,000 shares $281.40 million -0.1%10.6%5.7 $21.73
11/15/202412,960,000 shares $247.15 million +5.3%10.6%5.6 $19.07
10/31/202412,310,000 shares $256.54 million +5.3%10.1%5.7 $20.84
10/15/202411,690,000 shares $239.18 million -10.6%9.6%4.5 $20.46
Read this warning immediately (Ad)

Porter Stansberry, founder of one of the world's largest financial research firms, says he's breaking the biggest story of his 26-year career. A famous historian whose books have sold over 45 million copies in 65 languages is warning of a structural shift so large it has only one historical parallel - 1776. One Stanford economist calls it 'the biggest change ever - bigger than electricity, bigger than the steam engine.' Stansberry outlines the stocks to buy, the stocks to sell, and three money moves to position yourself on the right side of this shift.tc pixel

Read Porter Stansberry's full breakdown and protect your wealth now
9/30/202413,080,000 shares $304.76 million +27.2%10.7%4.9 $23.30
9/15/202410,280,000 shares $230.68 million +11.7%8.2%4 $22.44
8/31/20249,200,000 shares $225.68 million +3.6%6.9%4.2 $24.53
8/15/20248,880,000 shares $223.07 million +5.7%6.7%4.4 $25.12
7/31/20248,400,000 shares $201.94 million -10.2%6.2%4 $24.04
7/15/20249,350,000 shares $296.58 million -3.1%10.5%6.2 $31.72
6/30/20249,650,000 shares $272.52 million -0.5%10.8%6.8 $28.24
6/15/20249,700,000 shares $271.79 million -0.7%11.1%6.8 $28.02
5/31/20249,770,000 shares $294.47 million +7.1%11.2%6.9 $30.14
5/15/20249,120,000 shares $272.69 million +0.6%10.5%5.9 $29.90
4/30/20249,070,000 shares $269.29 million +4.9%11.5%5.7 $29.69
4/15/20248,650,000 shares $227.15 million +7.6%11.0%4.9 $26.26
3/31/20248,040,000 shares $216.76 million -0.4%10.2%4.6 $26.96
3/15/20248,070,000 shares $221.93 million +2.5%10.3%4.7 $27.50
2/29/20247,870,000 shares $247.83 million +9.6%10.1%4.5 $31.49
2/15/20247,180,000 shares $224.38 million +10.1%9.2%4.5 $31.25
1/31/20246,520,000 shares $169.13 million +12.2%8.3%4.3 $25.94
1/15/20245,810,000 shares $152.34 million +7.8%8.0%4.2 $26.22
12/31/20235,390,000 shares $163.16 million +7.4%7.4%4.1 $30.27
12/15/20235,020,000 shares $156.67 million -5.8%6.9%3.8 $31.21
11/30/20235,330,000 shares $145.08 million -6.2%7.3%4.2 $27.22
11/15/20235,680,000 shares $162.68 million +5.0%7.8%4.3 $28.64
10/31/20235,410,000 shares $140.44 million +8.6%7.4%4.2 $25.96
10/15/20234,980,000 shares $147.01 million +2.9%6.8%3.7 $29.52
9/30/20234,840,000 shares $154.59 million +0.4%6.6%3.3 $31.94
9/15/20234,820,000 shares $158.05 million -19.1%6.6%3.3 $32.79
8/31/20235,960,000 shares $227.97 million +0.9%8.1%4 $38.25
8/15/20235,910,000 shares $229.96 million -16.6%8.4%4 $38.91
7/31/20237,090,000 shares $365.91 million -5.5%10.1%4.5 $51.61
7/15/20237,500,000 shares $374.03 million +8.7%10.7%4.6 $49.87
6/30/20236,900,000 shares $311.47 million -0.7%9.9%4.5 $45.14
6/15/20236,950,000 shares $279.88 million +6.1%10.0%4.6 $40.27
5/31/20236,550,000 shares $257.61 million +12.5%9.5%4.2 $39.33
5/15/20235,820,000 shares $220.75 million +5.8%8.4%3.7 $37.93
4/30/20235,500,000 shares $196.74 million +4.2%7.9%3.6 $35.77
4/15/20235,280,000 shares $237.81 million -7.7%7.6%3.3 $45.04
3/31/20235,720,000 shares $274.50 million -10.1%8.2%3.7 $47.99
3/15/20236,360,000 shares $282.83 million -3.9%9.1%4.3 $44.47
2/28/20236,620,000 shares $289.16 million -6.6%9.5%4.2 $43.68
2/15/20237,090,000 shares $325.57 million -2.3%10.2%4.6 $45.92
1/31/20237,260,000 shares $277.11 million +5.5%10.5%4.9 $38.17
1/15/20236,880,000 shares $232.13 million +7.5%10.7%5.9 $33.74
12/30/20226,400,000 shares $192.13 million +30.6%10.0%6 $30.02
12/15/20224,900,000 shares $150.04 million +15.8%7.6%4.6 $30.62
11/30/20224,230,000 shares $131.72 million +5.5%6.6%5.2 $31.14
11/15/20224,010,000 shares $117.37 million +35.5%6.2%5.8 $29.27
10/31/20222,960,000 shares $75.21 million +14.3%4.6%5.2 $25.41
10/15/20222,590,000 shares $52.34 million +5.7%4.0%5 $20.21
9/30/20222,450,000 shares $53.53 million +8.4%3.8%4.9 $21.85
9/15/20222,260,000 shares $50.80 million +3.7%3.5%4.8 $22.48
The REAL Reason Trump is Invading Iran (Ad)

For a moment… Forget about Trump’s ties to Israel. Forget about reports of Iran’s nuclear program. Because my research has led me to believe we’re risking World War 3 with Iran for a completely different reason.tc pixel

Click here to find out what it is.
8/31/20222,180,000 shares $50.84 million +5.8%3.4%4.7 $23.32
8/15/20222,060,000 shares $54.55 million -5.9%3.2%3.9 $26.48
7/31/20222,190,000 shares $54.38 million -3.1%3.4%3.6 $24.83
7/15/20222,260,000 shares $47.82 million -1.3%3.6%3.8 $21.16
6/30/20222,290,000 shares $47.38 million -2.1%3.6%3.8 $20.69
6/15/20222,340,000 shares $51.55 million -6.4%3.7%3.8 $22.03
5/31/20222,500,000 shares $64.38 million -1.6%3.9%4.3 $25.75
5/15/20222,540,000 shares $59.99 million -2.7%4.0%4.8 $23.62
4/30/20222,610,000 shares $63.45 million -3.3%4.1%5.5 $24.31
4/15/20222,700,000 shares $64.75 million -5.3%4.2%5 $23.98
3/31/20222,850,000 shares $80.94 million +1.4%4.4%4.9 $28.40
3/15/20222,810,000 shares $72.81 million -4.1%4.4%4.3 $25.91
2/28/20222,930,000 shares $84.00 million -0.3%4.6%4.1 $28.67
2/15/20222,940,000 shares $85.35 million +2.4%4.6%3.9 $29.03
1/31/20222,870,000 shares $81.45 million +1.8%4.5%3.6 $28.38
1/15/20222,820,000 shares $86.74 million -2.1%4.4%3.3 $30.76
12/31/20212,880,000 shares $104.20 million +12.9%4.5%3.6 $36.18
12/15/20212,550,000 shares $88.49 million -4.9%4.0%3.5 $34.70
11/30/20212,680,000 shares $83.70 million +15.0%4.2%3.5 $31.23
11/15/20212,330,000 shares $77.08 million -15.6%3.7%3.2 $33.08
10/29/20212,760,000 shares $92.07 million +6.6%4.4%3.9 $33.36
10/15/20212,590,000 shares $81.20 million +8.8%4.8%4.5 $31.35
9/30/20212,380,000 shares $76.06 million +20.8%4.4%4.2 $31.96
9/15/20211,970,000 shares $71.83 million +16.6%3.6%3.4 $36.46
8/31/20211,690,000 shares $50.78 million +16.6%3.1%3.6 $30.05
8/13/20211,450,000 shares $42.91 million No Change2.7%2.9 $29.59
7/30/20211,450,000 shares $39.74 million -5.2%2.7%2.5 $27.41
7/15/20211,530,000 shares $39.83 million -2.6%2.9%2.5 $26.03
6/30/20211,570,000 shares $43.49 million +14.6%2.9%2.5 $27.70

ALGM Short Interest - Frequently Asked Questions

Short interest is the volume of Allegro MicroSystems shares that have been sold short but have not yet been closed out or covered. As of May 29th, investors have sold 11,930,842 shares of ALGM short. 6.43% of Allegro MicroSystems' shares are currently sold short. Learn More on Allegro MicroSystems' 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. ALGM shares currently have a short interest ratio of 5.1. Learn More on Allegro MicroSystems'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. 6.43% of Allegro MicroSystems' floating shares are currently sold short.

Allegro MicroSystems saw a increase in short interest in the month of May. As of May 29th, there was short interest totaling 11,930,842 shares, an increase of 14.2% from the previous total of 10,446,907 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.

6.43% of Allegro MicroSystems' shares are currently sold short. Here is how the short interest of companies compare to Allegro MicroSystems: Analog Devices, Inc. (1.95%), Diodes Incorporated (3.96%), Lattice Semiconductor Corporation (4.59%), Microchip Technology Incorporated (6.16%), MKS Inc. (6.59%), Monolithic Power Systems, Inc. (4.89%), NXP Semiconductors N.V. (3.28%), onsemi (8.00%), Texas Instruments Incorporated (2.10%), STMicroelectronics N.V. (1.39%),

As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($81.27 billion), Invesco QQQ ($49.06 billion), iShares Russell 2000 ETF ($23.61 billion), Western Digital Corporation ($16.93 billion), Sandisk Corporation ($15.61 billion), Salesforce Inc. ($11.65 billion), SPDR S&P Biotech ETF ($10.52 billion), Nebius Group N.V. ($10.24 billion), Lumentum Holdings Inc. ($8.74 billion), and iShares iBoxx $ High Yield Corporate Bond ETF ($8.21 billion). View all of the most shorted stocks.

Short selling ALGM is an investing strategy that aims to generate trading profit from Allegro MicroSystems as its price is falling. ALGM shares are trading up $2.58 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 Allegro MicroSystems 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 ALGM, 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 ALGM, twice per month. The most recent reporting period available is May, 29 2026.

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

  • 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.


Related Companies
Short Interest Tools

This page (NASDAQ:ALGM) was last updated on 6/9/2026 by MarketBeat.com Staff.
From Our Partners
The 1934 playbook
In 1934, a legal government maneuver transferred billions in wealth overnight. Most Americans never saw it com...
American Alternative | Sponsoredtc pixel
Trump's gold order: the announcement they won't put on the front page
On August 15, 1971, Nixon interrupted prime-time television and ended the gold standard in 15 minutes - no deb...
Reagan Gold Group | Sponsoredtc pixel
Louis Navellier: My #1 AI stock for 2026 (name & ticker inside)
Louis Navellier's Stock Grader system helped him flag Nvidia before its 82,000% run and has identified the top...
InvestorPlace | Sponsoredtc pixel
Trump Takes Emergency Action - Plus Elon Musk's New Venture
Elon Musk has quietly launched a new venture - one that has nothing to do with rockets, EVs, or Neuralink. Tru...
Altimetry | Sponsoredtc pixel
The roadshow starts Monday. This stock isn't ready.
The SpaceX roadshow kicks off June 8. Goldman Sachs, the lead underwriter, will present the full S-1 to the wo...
Behind the Markets | Sponsoredtc pixel
CODE RED: AI Meltdown Imminent?
After correctly predicting the 2008 and 2020 stock market meltdowns, I believe this AI company is about to tri...
Paradigm Press | Sponsoredtc pixel
Do NOT Buy SpaceX – Do This Instead
SpaceX just went public - and Whitney Tilson, Harvard MBA and 30-year Wall Street veteran, says buying in coul...
Stansberry Research | Sponsoredtc pixel
Trump just signed it
A recent policy development is drawing attention from income-focused investors. According to one analyst, c...
Investors Alley | Sponsoredtc pixel