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NASDAQ · Semiconductors · USD

Allegro MicroSystems, Inc. (ALGM) Stock Analysis

Allegro MicroSystems, Inc. (ALGM) is a Semiconductors stock listed on NASDAQ and quoted in US Dollar.

Last Updated: October 21, 2026

ALGM

$34.51

+$0.60 (+1.77%)

Oct 21, 2026 · Market close

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Price History

Hover for the daily close. The dotted line marks the period open.

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ALGM Key Statistics

As of Oct 21, 2026
Trading
Open
$34.85
Previous Close
$33.91
Day's Range
34.08–35.21
52-Week Range
22.41–71.77
Volume
2.54M
BetaHow much the share price moves relative to the wider market. 1.0 moves in line with it; above 1.0 swings more, below 1.0 less.
1.99
Valuation
Market Cap
$6.43B
P/E Ratio
575.17
Forward P/EShare price divided by forecast earnings for the year ahead, rather than the year just past.
22.99
P/S ratioMarket value divided by annual revenue. Useful for companies that are not yet profitable, where a P/E cannot be calculated.
6.80
EPS (ttm)Profit attributable to each share over the last twelve months.
0.06
Financials (FY)
Revenue (FY)
$890.10M+22.77%
Net Income (FY)
−$14.90M
Profit marginThe share of revenue left as profit after all costs and taxes.
1.50%
Shares OutstandingThe total number of shares held by all investors. Market value is this figure multiplied by the share price.
186.40M
1-Year Return
+11.14%
Dividend and dates
Earnings Date
October 29, 2026
Avg Volume
2.45M

Only metrics the company reports are shown. Data provided by Yahoo Finance via yfinance. Updated daily.

Key facts

As of October 21, 2026, ALGM closed at $34.51, +11.14% over 1 year.

Allegro MicroSystems, Inc. (ALGM) has a market capitalization of $6.43B.

In fiscal 2025, ALGM reported revenue of $890.10M.

ALGM Stock Return by Calendar Year

Allegro MicroSystems, Inc. (ALGM) return since Oct 2020: what $10,000 became

1 year
$10,000 $11,114
+11.14%
5 years
$10,000 $10,354
+3.54%
Since Oct 2020
$10,000 $19,497
+94.97%

If you had invested $10,000 in Allegro MicroSystems, Inc. (ALGM) at the close on October 29, 2020, the earliest close on record here, it would have been worth $19,497 at the close on October 21, 2026: +94.97% in total, +11.82% a year, over a partial period shorter than 10 years. A historical calculation from closing prices adjusted for splits and dividends, before fees and taxes.

Calendar-year returns computed from daily closing prices. Partial years are shown muted and marked with an asterisk.

YearReturn
2026 (partial year)+30.82%
2025+20.68%
2024−27.78%
2023+0.83%
2022−17.03%
2021+35.71%
2020 (partial year)+50.62%

As of October 21, 2026.

ALGM Revenue and Earnings by Fiscal Year

FY ends March
Fiscal yearRevenueNet incomeNet margin
2025$890.10M−$14.90M−1.7%
2024$725.01M−$73.01M−10.1%
2023$1.05B$152.70M14.6%
2022$973.65M$187.36M19.2%
Fiscal yearRevenueGross profitOperating incomeNet incomeNet margin
2025$890.10M$411.97M$25.08M−$14.90M−1.7%
2024$725.01M$321.53M−$19.80M−$73.01M−10.1%
2023$1.05B$574.53M$209.46M$152.70M14.6%
2022$973.65M$546.08M$203.31M$187.36M19.2%

Annual figures as reported, in the company's reporting currency. As of March 31, 2026.

ALGM Valuation vs Semiconductors Median

Median of 69 stocks
MetricALGMSemiconductors medianvs median
P/E575.1749.6411.6x the median
P/S ratio6.807.7612% below
Profit margin1.50%5.58%4.1 pts below

Medians across 69 Semiconductors stocks that report the metric. Medians, not averages, so one outlier cannot move them. As of October 21, 2026.

Recent News

All 20 articles ↓

News provided by third-party sources. Not financial advice.

Analysis

Data-derived

Company Overview

Allegro MicroSystems, Inc. (ALGM) carries a market capitalisation of $6.43B. The company sits in the Technology sector, in the Semiconductors industry. The company reports 4,250 employees.

Over the past 52 weeks the price has ranged from $22.41 to $71.77. ALGM last closed at $34.51 on October 21, 2026. That is +$0.60 (+1.77%) against the previous close. The latest close sits 53.99% above that 52-week low.

Financial Health

In fiscal 2025, Allegro MicroSystems, Inc. reported revenue of $890.10M. Against the prior fiscal year total of $725.01M, that is a change of +22.77%. The same year closed with a net loss of $14.90M. Profit margin runs at 1.5%. That is 4.1 percentage points below the Semiconductors median of 5.58%. Earnings per share on a trailing basis come to 0.06.

Across the 4 fiscal years on file, revenue moves from $973.65M in 2022 to $890.10M in 2025. Of those 4 years, 2 report positive net income.

Valuation Assessment

ALGM trades at a trailing price-to-earnings ratio of 575.17. That is 11.6 times the Semiconductors median of 49.64. On forward earnings the ratio is 22.99. Measured against sales, the shares trade at 6.8 times revenue. On price-to-sales that is 12.38% below the Semiconductors median of 7.76. The medians here are taken across 69 Semiconductors companies that report the metric.

Beta against the wider market is reported at 1.99. Daily returns over the trailing 6 years annualize to a volatility of 53.53%. The trailing one-year total return is +11.14%. Measured over 5 years, that is +0.70% a year compounded.

Growth & Income

The record shows no dividend for ALGM.

Across the complete calendar years on file, 2021 returned +35.71% and 2024 returned −27.78%. Of the 5 complete calendar years on file, 3 finished higher. 2026 is still running; the total return is +30.82% year to date.

Peer Comparison

Allegro MicroSystems, Inc. (ALGM) operates in the Semiconductors industry. Here is how it compares to its closest peers by market capitalization:

Company Ticker Market Cap P/E Ratio
Allegro MicroSystems, Inc. ALGM $6.43B 575.2
NVIDIA Corporation NVDA $5.36T 28.1
Taiwan Semiconductor Manufacturing Company Limited TSM $2.24T 28.0
Broadcom Inc. AVGO $1.61T 43.1

The Semiconductors industry average P/E ratio is 49.6x. Allegro MicroSystems, Inc. trades at a P/E of 575.2.

Every figure above is read from this page's own data on each daily rebuild. Informational only, not financial advice. As of October 21, 2026.

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About Allegro MicroSystems, Inc.

Allegro MicroSystems, Inc., together with its subsidiaries, designs, develops, manufactures, and markets sensor integrated circuits (ICs) and application-specific power ICs for sensing, motion control, and power management functions of complex electromechanical or power conversion systems. Its products include magnetic sensor ICs, such as position, speed, and electric current sensor ICs; and power ICs comprising motor driver ICs, such as regulator, power management ICs, and LED driver ICs, and isolated gate drivers. The company sells its products to original equipment manufacturers and distributors primarily in the automotive and industrial markets through its direct sales force, third party distributors, independent sales representatives, and consignment. The company serves automotive and industrial markets, including advanced industrial markets such as AI data centers, robotics, and energy infrastructure sectors. It operates in the United States, rest of the Americas, Europe, Japan, Greater China, South Korea, and other Asian markets. The company was founded in 1990 and is headquartered in Manchester, New Hampshire.

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