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Side-by-side financial comparison of ALLEGRO MICROSYSTEMS, INC. (ALGM) and ON Semiconductor (ON). Click either name above to swap in a different company.

ON Semiconductor is the larger business by last-quarter revenue ($1.6B vs $229.2M, roughly 6.8× ALLEGRO MICROSYSTEMS, INC.). ON Semiconductor runs the higher net margin — 16.4% vs 3.6%, a 12.8% gap on every dollar of revenue. On growth, ALLEGRO MICROSYSTEMS, INC. posted the faster year-over-year revenue change (28.9% vs -10.0%). ON Semiconductor produced more free cash flow last quarter ($372.4M vs $41.3M). Over the past eight quarters, ALLEGRO MICROSYSTEMS, INC.'s revenue compounded faster (-2.4% CAGR vs -12.3%).

Allegro MicroSystems, Inc. is a global semiconductor firm designing and manufacturing high-performance power and sensing integrated circuits. Its core products include magnetic sensors, power ICs, and motion control solutions, serving automotive, industrial, consumer electronics, and communications markets worldwide.

Fairchild Semiconductor International, Inc. was an American semiconductor company based in San Jose, California. It was founded in 1957 as a division of Fairchild Camera and Instrument by the "traitorous eight" who defected from Shockley Semiconductor Laboratory. It became a pioneer in the manufacturing of transistors and of integrated circuits. Schlumberger bought the firm in 1979 and sold it to National Semiconductor in 1987; Fairchild was spun off as an independent company again in 1997. I...

ALGM vs ON — Head-to-Head

Bigger by revenue
ON
ON
6.8× larger
ON
$1.6B
$229.2M
ALGM
Growing faster (revenue YoY)
ALGM
ALGM
+38.8% gap
ALGM
28.9%
-10.0%
ON
Higher net margin
ON
ON
12.8% more per $
ON
16.4%
3.6%
ALGM
More free cash flow
ON
ON
$331.1M more FCF
ON
$372.4M
$41.3M
ALGM
Faster 2-yr revenue CAGR
ALGM
ALGM
Annualised
ALGM
-2.4%
-12.3%
ON

Income Statement — Q3 2026 vs Q4 2025

Metric
ALGM
ALGM
ON
ON
Revenue
$229.2M
$1.6B
Net Profit
$8.3M
$255.0M
Gross Margin
46.7%
37.9%
Operating Margin
4.2%
17.0%
Net Margin
3.6%
16.4%
Revenue YoY
28.9%
-10.0%
Net Profit YoY
221.0%
-32.9%
EPS (diluted)
$0.04
$0.63

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
ALGM
ALGM
ON
ON
Q4 25
$229.2M
$1.6B
Q3 25
$214.3M
$1.5B
Q2 25
$203.4M
$1.4B
Q1 25
$192.8M
Q4 24
$177.9M
$1.7B
Q3 24
$187.4M
$1.8B
Q2 24
$166.9M
$1.7B
Q1 24
$240.6M
$1.9B
Net Profit
ALGM
ALGM
ON
ON
Q4 25
$8.3M
$255.0M
Q3 25
$6.5M
$170.3M
Q2 25
$-13.2M
$-486.1M
Q1 25
$-14.8M
Q4 24
$-6.9M
$379.9M
Q3 24
$-33.7M
$401.7M
Q2 24
$-17.7M
$338.2M
Q1 24
$-7.1M
$453.0M
Gross Margin
ALGM
ALGM
ON
ON
Q4 25
46.7%
37.9%
Q3 25
46.3%
37.6%
Q2 25
44.9%
20.3%
Q1 25
41.4%
Q4 24
45.7%
45.2%
Q3 24
45.7%
45.4%
Q2 24
44.8%
45.2%
Q1 24
51.2%
45.8%
Operating Margin
ALGM
ALGM
ON
ON
Q4 25
4.2%
17.0%
Q3 25
2.9%
13.2%
Q2 25
-1.3%
-39.7%
Q1 25
-6.8%
Q4 24
-0.0%
23.7%
Q3 24
2.2%
25.3%
Q2 24
-6.4%
22.4%
Q1 24
6.6%
28.2%
Net Margin
ALGM
ALGM
ON
ON
Q4 25
3.6%
16.4%
Q3 25
3.0%
11.6%
Q2 25
-6.5%
-33.6%
Q1 25
-7.7%
Q4 24
-3.9%
22.1%
Q3 24
-18.0%
22.8%
Q2 24
-10.6%
19.5%
Q1 24
-3.0%
24.3%
EPS (diluted)
ALGM
ALGM
ON
ON
Q4 25
$0.04
$0.63
Q3 25
$0.03
$0.41
Q2 25
$-0.07
$-1.15
Q1 25
$-0.08
Q4 24
$-0.04
$0.88
Q3 24
$-0.18
$0.93
Q2 24
$-0.09
$0.78
Q1 24
$-0.04
$1.04

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
ALGM
ALGM
ON
ON
Cash + ST InvestmentsLiquidity on hand
$155.2M
$2.9B
Total DebtLower is stronger
$280.7M
$3.4B
Stockholders' EquityBook value
$962.7M
$7.9B
Total Assets
$1.4B
$13.0B
Debt / EquityLower = less leverage
0.29×
0.43×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ALGM
ALGM
ON
ON
Q4 25
$155.2M
$2.9B
Q3 25
$117.5M
$2.8B
Q2 25
$129.1M
$3.0B
Q1 25
$121.3M
Q4 24
$138.5M
$3.0B
Q3 24
$188.8M
$2.8B
Q2 24
$173.1M
$2.7B
Q1 24
$212.1M
$2.6B
Total Debt
ALGM
ALGM
ON
ON
Q4 25
$280.7M
$3.4B
Q3 25
$280.4M
$3.4B
Q2 25
$304.8M
$3.4B
Q1 25
$338.9M
Q4 24
$368.7M
$3.4B
Q3 24
$393.0M
$3.4B
Q2 24
$195.8M
$3.4B
Q1 24
$245.1M
$3.4B
Stockholders' Equity
ALGM
ALGM
ON
ON
Q4 25
$962.7M
$7.9B
Q3 25
$944.2M
$7.9B
Q2 25
$922.7M
$8.0B
Q1 25
$929.6M
Q4 24
$933.0M
$8.8B
Q3 24
$937.3M
$8.6B
Q2 24
$1.1B
$8.3B
Q1 24
$1.1B
$8.1B
Total Assets
ALGM
ALGM
ON
ON
Q4 25
$1.4B
$13.0B
Q3 25
$1.4B
$13.1B
Q2 25
$1.4B
$13.3B
Q1 25
$1.4B
Q4 24
$1.4B
$14.1B
Q3 24
$1.5B
$13.9B
Q2 24
$1.4B
$13.7B
Q1 24
$1.5B
$13.5B
Debt / Equity
ALGM
ALGM
ON
ON
Q4 25
0.29×
0.43×
Q3 25
0.30×
0.43×
Q2 25
0.33×
0.42×
Q1 25
0.36×
Q4 24
0.40×
0.38×
Q3 24
0.42×
0.39×
Q2 24
0.18×
0.41×
Q1 24
0.22×
0.42×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
ALGM
ALGM
ON
ON
Operating Cash FlowLast quarter
$45.4M
$418.7M
Free Cash FlowOCF − Capex
$41.3M
$372.4M
FCF MarginFCF / Revenue
18.0%
24.0%
Capex IntensityCapex / Revenue
1.8%
3.0%
Cash ConversionOCF / Net Profit
5.47×
1.64×
TTM Free Cash FlowTrailing 4 quarters
$121.2M
$1.4B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ALGM
ALGM
ON
ON
Q4 25
$45.4M
$418.7M
Q3 25
$20.4M
$184.3M
Q2 25
$61.6M
$602.3M
Q1 25
$20.4M
Q4 24
$-8.2M
$579.7M
Q3 24
$15.5M
$465.8M
Q2 24
$34.2M
$362.2M
Q1 24
$12.8M
$498.7M
Free Cash Flow
ALGM
ALGM
ON
ON
Q4 25
$41.3M
$372.4M
Q3 25
$13.9M
$106.1M
Q2 25
$51.0M
$454.7M
Q1 25
$15.0M
Q4 24
$-21.8M
$434.8M
Q3 24
$5.6M
$293.6M
Q2 24
$23.2M
$207.7M
Q1 24
$-1.5M
$276.3M
FCF Margin
ALGM
ALGM
ON
ON
Q4 25
18.0%
24.0%
Q3 25
6.5%
7.2%
Q2 25
25.1%
31.5%
Q1 25
7.8%
Q4 24
-12.3%
25.2%
Q3 24
3.0%
16.7%
Q2 24
13.9%
12.0%
Q1 24
-0.6%
14.8%
Capex Intensity
ALGM
ALGM
ON
ON
Q4 25
1.8%
3.0%
Q3 25
3.0%
5.3%
Q2 25
5.2%
10.2%
Q1 25
2.8%
Q4 24
7.7%
8.4%
Q3 24
5.3%
9.8%
Q2 24
6.6%
8.9%
Q1 24
5.9%
11.9%
Cash Conversion
ALGM
ALGM
ON
ON
Q4 25
5.47×
1.64×
Q3 25
3.12×
1.08×
Q2 25
Q1 25
Q4 24
1.53×
Q3 24
1.16×
Q2 24
1.07×
Q1 24
1.10×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

ALGM
ALGM

Automotive End Market$164.5M72%
Industrial And Other End Market$64.7M28%

ON
ON

Industrial Segment$426.3M27%
Other End Markets Segment$337.3M22%
Intelligent Sensing Segments$284.0M18%
Direct Customers$282.4M18%
Intelligent Sensing Group$230.0M15%

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