Allegro MicroSystems, Inc. (ALGM)

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.

Ticker: ALGM
Exchange: Nasdaq
Sector: Technology
Industry: Semiconductors
Market cap: $5.25B
52-week range: $22.41 - $71.77

Valuation

Share price: $28.17 (close of Nov 6, 2026)
P/E (TTM): 176.06x
Price to book: 5.23x
Price to free cash flow: 50.30x
Enterprise value: $5.36B
Book value per share: $5.38

Price performance

Period	Change
1 day	+5.11%
5 days	-7.73%
1 month	-27.32%
3 months	-33.66%
6 months	-45.16%
Year to date	+6.79%
1 year	+3.53%
3 years	+8.14%
5 years	-12.57%
All time	+59.15%

Short interest

As of: Oct 15, 2026
Short % of float: 10.57%
Shares short: 10.40M
Days to cover: 3.39
Change since prior report: -8.62%
Source: FINRA consolidated short interest

Profitability and growth

Return on equity: -1.56%
Return on invested capital: 1.46%
Return on assets: -1.05%
Return on capital employed: 1.46%
Gross margin: 46.28%
Net margin: -1.67%
EBITDA margin: 9.67%
Revenue growth: 22.77%

Cash flow and balance sheet

Free cash flow yield (TTM): 1.99%
Current ratio: 4.13x
Net debt to EBITDA: 0.84x

Latest reported year

Period end: Mar 27, 2026
Fiscal year: 2026
Revenue: $890.10M
Cost of revenue: $478.13M
Gross profit: $411.97M
EBITDA: $86.08M
Net income: -$14.90M
Earnings per share: $-0.08
Research and development: $205.80M
Interest expense: $22.14M
Shares outstanding: 185.04M

Income statement by year

Period end	Revenue	Gross profit	Net income	EPS
2026-03-27	$890.10M	$411.97M	-$14.90M	-$0.08
2025-03-28	$725.01M	$321.53M	-$73.01M	-$0.39
2024-03-29	$1.05B	$574.53M	$152.70M	$0.79
2023-03-31	$973.65M	$546.08M	$187.36M	$0.98
2022-03-25	$768.67M	$407.46M	$119.41M	$0.63
2021-03-26	$591.21M	$278.90M	$17.95M	$0.22
2020-03-27	$650.09M	$261.28M	$36.97M	$3.70
2019-03-31	$724.31M	-	$84.72M	-

Margins and returns by year

Period end	Gross margin	Net margin	Return on equity	Return on capital
2026-03-27	46.28%	-1.67%	-1.56%	1.46%
2025-03-28	44.35%	-10.07%	-7.84%	-0.76%
2024-03-29	54.75%	14.55%	13.49%	10.97%
2023-03-31	56.09%	19.24%	19.38%	17.78%
2022-03-25	53.01%	15.53%	16.24%	14.86%
2021-03-26	47.18%	3.04%	3.06%	1.99%
2020-03-27	40.19%	5.69%	5.83%	5.09%
2019-03-31	-	11.70%	14.37%	13.50%

Cash and debt by year

Period end	Cash	Debt
2026-03-27	$168.75M	$285.75M
2025-03-28	$121.33M	$344.70M
2024-03-29	$212.14M	$249.61M
2023-03-31	$351.58M	$25.00M
2022-03-25	$282.38M	$25.00M
2021-03-26	$197.21M	$25.00M
2020-03-27	$214.49M	$43.00M
2019-03-31	$99.74M	-

Free cash flow by year

Period end	Free cash flow	Stock-based compensation
2026-03-27	$124.89M	$47.91M
2025-03-28	$21.96M	$41.87M
2024-03-29	$56.94M	$42.46M
2023-03-31	$113.43M	$61.80M
2022-03-25	$86.19M	$33.55M
2021-03-26	$79.90M	$49.87M
2020-03-27	$35.80M	$1.44M
2019-03-31	$22.79M	$1.44M

Investor relations

Past earnings dates

Reported	Fiscal period	EPS estimate
2026-10-29	Sep 2026	$0.18
2026-07-30	Jun 2026	$0.16
2026-05-07	Mar 2026	$0.11
2026-01-29	Dec 2025	$0.08
2025-10-30	Sep 2025	$0.08
2025-07-31	Jun 2025	$0.03
2025-05-08	Mar 2025	-$0.01
2025-01-30	Dec 2024	-

Filings and sources

Company website: allegromicro.com
SEC filings: 10-K, 10-Q and 8-K on EDGAR
Earnings calendar: All upcoming reports

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