Allegro Microsystems, Inc. key statistics and ratios

In fiscal 2026, Allegro Microsystems, Inc. had return on equity of -1.6%, an operating margin of 2.1%, debt equal to 30.1% of equity and a current ratio of 3.45. Each ratio below is calculated from the figures on its income statement, balance sheet and cash flow pages.

Financial ratios

US$ thousands unless shown otherwise. Fiscal years, plus the last twelve months (LTM) when newer.

Allegro Microsystems, Inc.: financial ratios, annual
Fiscal year	2020Mar 2020	2021Mar 2021	2022Mar 2022	2023Mar 2023	2024Mar 2024	2025Mar 2025	2026Mar 2026	LTMSept 2026
Gross margin	40.2%	47.2%	53.0%	56.1%	54.8%	44.3%	46.3%	47.9%
Operating margin	8.1%	2.1%	17.8%	20.9%	18.7%	−2.7%	2.1%	7.5%
Net margin	5.7%	3.0%	15.5%	19.2%	14.6%	−10.1%	−1.7%	3.1%
Free-cash-flow margin	5.5%	13.5%	11.2%	11.7%	5.4%	3.0%	14.0%	10.4%
Return on equity	5.8%	2.9%	18.1%	22.0%	14.6%	−7.1%	−1.6%	3.2%
Return on assets	4.5%	2.3%	14.6%	18.1%	11.3%	−4.9%	−1.1%	2.2%
Asset turnover	0.79	0.76	0.94	0.94	0.77	0.49	0.63	0.70
Current ratio	2.99	3.69	4.91	4.03	4.85	4.30	3.45	4.13
Debt to equity	6.8%	4.3%	3.4%	2.6%	22.4%	37.2%	30.1%	28.7%
Interest cover (operating income ÷ interest)	—	3.2x	54.7x	87.0x	18.2x	n/m	0.8x	4.0x
Effective tax rate	30.4%	—	15.1%	11.3%	21.5%	—	—	27.6%
R&D as % of revenue	15.7%	18.4%	15.9%	15.5%	16.8%	24.8%	23.1%	21.7%
SG&A as % of revenue	16.4%	26.0%	19.4%	19.7%	18.0%	22.3%	20.3%	18.0%
Capital spending as % of revenue	7.0%	6.9%	9.1%	8.2%	11.9%	5.5%	4.3%	3.5%
Free cash flow ÷ net income	96.8%	445.0%	72.2%	60.5%	37.3%	—	—	337.5%
Dividends ÷ net income	0.0%	>999%	0.0%	0.0%	—	—	—	—
Dividends and buybacks ÷ free cash flow	0.0%	500.6%	0.0%	0.0%	0.0%	>999%	0.0%	—

US$ thousands unless shown otherwise. Fiscal quarters.

Allegro Microsystems, Inc.: financial ratios, quarterly
Quarter	2025 Q3Dec 2024	2025 Q4Mar 2025	2026 Q1Jun 2025	2026 Q2Sept 2025	2026 Q3Dec 2025	2026 Q4Mar 2026	2027 Q1Jun 2026	2027 Q2Sept 2026
Gross margin	45.7%	41.4%	44.9%	46.3%	46.7%	47.0%	48.5%	49.2%
Operating margin	−0.0%	−6.8%	−1.3%	2.9%	4.2%	2.2%	9.8%	12.8%
Net margin	−3.9%	−7.7%	−6.5%	3.0%	3.6%	−6.8%	6.1%	8.4%
Free-cash-flow margin	−12.3%	7.8%	25.1%	6.5%	18.0%	7.7%	5.4%	11.0%
Current ratio	4.91	4.30	3.70	3.89	3.65	3.45	3.70	4.13
Debt to equity	40.3%	37.2%	33.9%	30.5%	29.9%	30.1%	29.8%	28.7%
R&D as % of revenue	24.4%	24.7%	22.9%	23.7%	23.1%	22.8%	21.3%	20.1%
SG&A as % of revenue	21.3%	23.6%	23.4%	19.7%	19.5%	19.2%	17.3%	16.2%

Returns use average equity or assets over the year. Return on equity is left blank when equity is negative or so small that the ratio says nothing (above ±200%); interest cover is left blank above 200 times. Price-based ratios such as P/E are on the valuation page.

Financial health

4 of 7 checks passed · September 25, 2026

What it owns · $1.4bn

Short-term assets $561mLonger-term assets $886m

What it owes, and who funded it · $1.4bn

Short-term liabilities $136mLonger-term liabilities $307mShareholders' equity $1.0bn

Short-term assets cover short-term liabilities $561m of assets due within a year against $136m of liabilities due within a year.
Short-term assets cover long-term liabilities $561m short-term assets against $307m of longer-dated liabilities.
More cash than debt $193m of cash against $287m of debt.
Debt below 40% of shareholders' equity Debt is 29% of equity.
Debt burden no higher than five years ago Debt to equity moved from 3% to 29% over five years.
A year's operating cash flow covers at least 20% of debt $140m of operating cash flow against $287m of debt.
Operating profit covers interest at least five times over Operating income of $76m against $19m of interest.

From Allegro Microsystems, Inc.'s latest balance sheet as filed. Checks are fixed, documented rules (methodology), counted only where the company reports the figures — a dot means the filing doesn't break the item out. Descriptions of reported data, not advice.

Moat

43 /100

Weak moat

How hard Allegro Microsystems's competitive advantage looks for rivals to wear away, judged from 7 years of its own filings: returns on capital, pricing power, profit durability, cash conversion and discipline.

Returns on capital 5 / 20

Net income has been a median 4.7% of total assets over 7 years.
Pricing power 14 / 20

Gross margin has been a median 49.1%, moving by 4.8 percentage points (standard deviation) across 7 years.
Durability 1 / 20

Operating margin has been a median 8.0%; its worst year was -1.2%.
Cash conversion 14 / 20

Free cash flow was positive in 7 of 7 years, at a median 7.7% of revenue.

AI disruption exposure: Low. In this industry, the business rests on physical assets, regulated networks or products AI itself depends on.

A rules-based reading of reported figures, not a forecast and not investment advice. How the score is built: methodology.

Compare with peers

Head to head: ALGM vs ICHR ALGM vs IPGP ALGM vs SMTC

More: Semiconductors stocks compared, Technology sector, rankings of US companies

Figures from Allegro Microsystems, Inc.'s SEC filings (10-K and 10-Q), retrieved November 3, 2026. How we read and check them: methodology and data sources. Not investment advice. Back to Allegro Microsystems, Inc.