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Side-by-side financial comparison of ADTRAN Holdings, Inc. (ADTN) and OSI SYSTEMS INC (OSIS). Click either name above to swap in a different company.

OSI SYSTEMS INC is the larger business by last-quarter revenue ($464.1M vs $291.6M, roughly 1.6× ADTRAN Holdings, Inc.). OSI SYSTEMS INC runs the higher net margin — 8.3% vs -1.2%, a 9.6% gap on every dollar of revenue. On growth, ADTRAN Holdings, Inc. posted the faster year-over-year revenue change (20.1% vs 10.5%). OSI SYSTEMS INC produced more free cash flow last quarter ($55.5M vs $30.6M). Over the past eight quarters, ADTRAN Holdings, Inc.'s revenue compounded faster (13.5% CAGR vs 7.0%).

Adtran, Inc. is an American fiber networking and telecommunications company headquartered in Huntsville, Alabama. It is a vendor of both residential and enterprise networking equipment, along with administrative software for network management and deployment. Its customers include communications service providers, governments, enterprises and utilities.

OSI Systems, Inc. is an American company based in California that develops and markets security and inspection systems such as airport security X-ray machines and metal detectors, medical monitoring and anesthesia systems, and optoelectronic devices. As of June 2010, the company employs approximately 3,180 personnel globally and includes subsidiary companies Spacelabs Healthcare, Rapiscan Systems and OSI Optoelectronics.

ADTN vs OSIS — Head-to-Head

Bigger by revenue
OSIS
OSIS
1.6× larger
OSIS
$464.1M
$291.6M
ADTN
Growing faster (revenue YoY)
ADTN
ADTN
+9.5% gap
ADTN
20.1%
10.5%
OSIS
Higher net margin
OSIS
OSIS
9.6% more per $
OSIS
8.3%
-1.2%
ADTN
More free cash flow
OSIS
OSIS
$24.9M more FCF
OSIS
$55.5M
$30.6M
ADTN
Faster 2-yr revenue CAGR
ADTN
ADTN
Annualised
ADTN
13.5%
7.0%
OSIS

Income Statement — Q4 FY2025 vs Q2 FY2026

Metric
ADTN
ADTN
OSIS
OSIS
Revenue
$291.6M
$464.1M
Net Profit
$-3.6M
$38.7M
Gross Margin
39.0%
32.7%
Operating Margin
1.5%
12.7%
Net Margin
-1.2%
8.3%
Revenue YoY
20.1%
10.5%
Net Profit YoY
92.2%
2.3%
EPS (diluted)
$-0.02
$2.22

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
ADTN
ADTN
OSIS
OSIS
Q4 25
$291.6M
$464.1M
Q3 25
$279.4M
$384.6M
Q2 25
$265.1M
$505.0M
Q1 25
$247.7M
$444.4M
Q4 24
$242.9M
$419.8M
Q3 24
$227.7M
$344.0M
Q2 24
$226.0M
$480.9M
Q1 24
$226.2M
$405.4M
Net Profit
ADTN
ADTN
OSIS
OSIS
Q4 25
$-3.6M
$38.7M
Q3 25
$-10.3M
$20.6M
Q2 25
$-20.5M
$52.7M
Q1 25
$-11.3M
$41.1M
Q4 24
$-46.1M
$37.8M
Q3 24
$-33.3M
$17.9M
Q2 24
$-49.7M
$44.7M
Q1 24
$-330.8M
$34.0M
Gross Margin
ADTN
ADTN
OSIS
OSIS
Q4 25
39.0%
32.7%
Q3 25
38.3%
32.0%
Q2 25
37.3%
33.3%
Q1 25
38.4%
33.8%
Q4 24
36.9%
35.1%
Q3 24
36.5%
35.3%
Q2 24
36.0%
32.1%
Q1 24
31.1%
33.6%
Operating Margin
ADTN
ADTN
OSIS
OSIS
Q4 25
1.5%
12.7%
Q3 25
-1.0%
8.6%
Q2 25
-5.0%
14.5%
Q1 25
-1.6%
12.7%
Q4 24
-6.9%
13.8%
Q3 24
-11.5%
8.8%
Q2 24
-17.0%
13.1%
Q1 24
-153.1%
12.7%
Net Margin
ADTN
ADTN
OSIS
OSIS
Q4 25
-1.2%
8.3%
Q3 25
-3.7%
5.3%
Q2 25
-7.7%
10.4%
Q1 25
-4.5%
9.3%
Q4 24
-19.0%
9.0%
Q3 24
-14.6%
5.2%
Q2 24
-22.0%
9.3%
Q1 24
-146.2%
8.4%
EPS (diluted)
ADTN
ADTN
OSIS
OSIS
Q4 25
$-0.02
$2.22
Q3 25
$-0.12
$1.18
Q2 25
$-0.24
$3.04
Q1 25
$-0.14
$2.40
Q4 24
$-0.58
$2.22
Q3 24
$-0.38
$1.05
Q2 24
$-0.63
$2.57
Q1 24
$-4.20
$1.95

Balance Sheet & Financial Strength

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

Metric
ADTN
ADTN
OSIS
OSIS
Cash + ST InvestmentsLiquidity on hand
$95.7M
$336.7M
Total DebtLower is stronger
$1.0B
Stockholders' EquityBook value
$145.8M
$845.5M
Total Assets
$1.2B
$2.5B
Debt / EquityLower = less leverage
1.19×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ADTN
ADTN
OSIS
OSIS
Q4 25
$95.7M
$336.7M
Q3 25
$93.7M
$124.4M
Q2 25
$106.3M
$106.4M
Q1 25
$101.3M
$95.8M
Q4 24
$76.0M
$101.6M
Q3 24
$88.5M
$85.1M
Q2 24
$111.2M
$95.4M
Q1 24
$106.8M
$101.4M
Total Debt
ADTN
ADTN
OSIS
OSIS
Q4 25
$1.0B
Q3 25
$442.2M
Q2 25
$471.6M
Q1 25
$473.2M
Q4 24
$474.8M
Q3 24
$476.3M
Q2 24
$137.6M
Q1 24
Stockholders' Equity
ADTN
ADTN
OSIS
OSIS
Q4 25
$145.8M
$845.5M
Q3 25
$141.6M
$946.0M
Q2 25
$169.6M
$951.1M
Q1 25
$138.9M
$879.3M
Q4 24
$127.0M
$825.8M
Q3 24
$205.6M
$786.5M
Q2 24
$213.6M
$863.5M
Q1 24
$260.8M
$813.4M
Total Assets
ADTN
ADTN
OSIS
OSIS
Q4 25
$1.2B
$2.5B
Q3 25
$1.2B
$2.3B
Q2 25
$1.2B
$2.2B
Q1 25
$1.2B
$2.1B
Q4 24
$1.2B
$2.1B
Q3 24
$1.3B
$2.1B
Q2 24
$1.3B
$1.9B
Q1 24
$1.3B
$1.8B
Debt / Equity
ADTN
ADTN
OSIS
OSIS
Q4 25
1.19×
Q3 25
0.47×
Q2 25
0.50×
Q1 25
0.54×
Q4 24
0.57×
Q3 24
0.61×
Q2 24
0.16×
Q1 24

Cash Flow & Capital Efficiency

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

Metric
ADTN
ADTN
OSIS
OSIS
Operating Cash FlowLast quarter
$42.2M
$62.2M
Free Cash FlowOCF − Capex
$30.6M
$55.5M
FCF MarginFCF / Revenue
10.5%
12.0%
Capex IntensityCapex / Revenue
4.0%
1.4%
Cash ConversionOCF / Net Profit
1.61×
TTM Free Cash FlowTrailing 4 quarters
$98.0M
$137.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ADTN
ADTN
OSIS
OSIS
Q4 25
$42.2M
$62.2M
Q3 25
$12.2M
$17.1M
Q2 25
$32.2M
$562.0K
Q1 25
$43.2M
$81.6M
Q4 24
$2.4M
$52.5M
Q3 24
$43.3M
$-37.2M
Q2 24
$19.9M
$-29.0M
Q1 24
$37.9M
$-52.1M
Free Cash Flow
ADTN
ADTN
OSIS
OSIS
Q4 25
$30.6M
$55.5M
Q3 25
$4.2M
$10.1M
Q2 25
$27.5M
$-5.6M
Q1 25
$35.8M
$77.1M
Q4 24
$-895.0K
$47.1M
Q3 24
$37.1M
$-44.9M
Q2 24
$8.4M
$-37.5M
Q1 24
$24.4M
$-57.0M
FCF Margin
ADTN
ADTN
OSIS
OSIS
Q4 25
10.5%
12.0%
Q3 25
1.5%
2.6%
Q2 25
10.4%
-1.1%
Q1 25
14.4%
17.4%
Q4 24
-0.4%
11.2%
Q3 24
16.3%
-13.0%
Q2 24
3.7%
-7.8%
Q1 24
10.8%
-14.1%
Capex Intensity
ADTN
ADTN
OSIS
OSIS
Q4 25
4.0%
1.4%
Q3 25
2.9%
1.8%
Q2 25
1.8%
1.2%
Q1 25
3.0%
1.0%
Q4 24
1.4%
1.3%
Q3 24
2.7%
2.2%
Q2 24
5.1%
1.8%
Q1 24
6.0%
1.2%
Cash Conversion
ADTN
ADTN
OSIS
OSIS
Q4 25
1.61×
Q3 25
0.83×
Q2 25
0.01×
Q1 25
1.98×
Q4 24
1.39×
Q3 24
-2.07×
Q2 24
-0.65×
Q1 24
-1.53×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ADTN
ADTN

Subscriber Solutions$96.2M33%
Optical Networking Solutions$81.8M28%
Access Aggregation Solutions$64.6M22%
Services And Support$48.9M17%

OSIS
OSIS

Security Division$334.7M72%
Optoelectronics And Manufacturing Division$92.8M20%
Healthcare Division$36.5M8%

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