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Side-by-side financial comparison of Guardant Health, Inc. (GH) 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 $281.3M, roughly 1.6× Guardant Health, Inc.). OSI SYSTEMS INC runs the higher net margin — 8.3% vs -45.7%, a 54.0% gap on every dollar of revenue. On growth, Guardant Health, Inc. posted the faster year-over-year revenue change (39.4% vs 10.5%). OSI SYSTEMS INC produced more free cash flow last quarter ($55.5M vs $-54.2M). Over the past eight quarters, Guardant Health, Inc.'s revenue compounded faster (29.2% CAGR vs 7.0%).

Guardant Health, Inc. is an American biotechnology company based in Palo Alto, California. Co-founders Helmy Eltoukhy and AmirAli Talasaz serve as co-chief executive officers.

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.

GH vs OSIS — Head-to-Head

Bigger by revenue
OSIS
OSIS
1.6× larger
OSIS
$464.1M
$281.3M
GH
Growing faster (revenue YoY)
GH
GH
+28.8% gap
GH
39.4%
10.5%
OSIS
Higher net margin
OSIS
OSIS
54.0% more per $
OSIS
8.3%
-45.7%
GH
More free cash flow
OSIS
OSIS
$109.7M more FCF
OSIS
$55.5M
$-54.2M
GH
Faster 2-yr revenue CAGR
GH
GH
Annualised
GH
29.2%
7.0%
OSIS

Income Statement — Q4 FY2025 vs Q2 FY2026

Metric
GH
GH
OSIS
OSIS
Revenue
$281.3M
$464.1M
Net Profit
$-128.5M
$38.7M
Gross Margin
64.6%
32.7%
Operating Margin
-43.0%
12.7%
Net Margin
-45.7%
8.3%
Revenue YoY
39.4%
10.5%
Net Profit YoY
-15.8%
2.3%
EPS (diluted)
$-1.01
$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
GH
GH
OSIS
OSIS
Q4 25
$281.3M
$464.1M
Q3 25
$265.2M
$384.6M
Q2 25
$232.1M
$505.0M
Q1 25
$203.5M
$444.4M
Q4 24
$201.8M
$419.8M
Q3 24
$191.5M
$344.0M
Q2 24
$177.2M
$480.9M
Q1 24
$168.5M
$405.4M
Net Profit
GH
GH
OSIS
OSIS
Q4 25
$-128.5M
$38.7M
Q3 25
$-92.7M
$20.6M
Q2 25
$-99.9M
$52.7M
Q1 25
$-95.2M
$41.1M
Q4 24
$-111.0M
$37.8M
Q3 24
$-107.8M
$17.9M
Q2 24
$-102.6M
$44.7M
Q1 24
$-115.0M
$34.0M
Gross Margin
GH
GH
OSIS
OSIS
Q4 25
64.6%
32.7%
Q3 25
64.7%
32.0%
Q2 25
65.0%
33.3%
Q1 25
63.3%
33.8%
Q4 24
61.6%
35.1%
Q3 24
61.1%
35.3%
Q2 24
59.1%
32.1%
Q1 24
61.2%
33.6%
Operating Margin
GH
GH
OSIS
OSIS
Q4 25
-43.0%
12.7%
Q3 25
-37.3%
8.6%
Q2 25
-45.9%
14.5%
Q1 25
-54.6%
12.7%
Q4 24
-62.4%
13.8%
Q3 24
-61.3%
8.8%
Q2 24
-56.8%
13.1%
Q1 24
-59.2%
12.7%
Net Margin
GH
GH
OSIS
OSIS
Q4 25
-45.7%
8.3%
Q3 25
-35.0%
5.3%
Q2 25
-43.0%
10.4%
Q1 25
-46.8%
9.3%
Q4 24
-55.0%
9.0%
Q3 24
-56.3%
5.2%
Q2 24
-57.9%
9.3%
Q1 24
-68.2%
8.4%
EPS (diluted)
GH
GH
OSIS
OSIS
Q4 25
$-1.01
$2.22
Q3 25
$-0.74
$1.18
Q2 25
$-0.80
$3.04
Q1 25
$-0.77
$2.40
Q4 24
$-0.90
$2.22
Q3 24
$-0.88
$1.05
Q2 24
$-0.84
$2.57
Q1 24
$-0.94
$1.95

Balance Sheet & Financial Strength

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

Metric
GH
GH
OSIS
OSIS
Cash + ST InvestmentsLiquidity on hand
$378.2M
$336.7M
Total DebtLower is stronger
$1.5B
$1.0B
Stockholders' EquityBook value
$-99.3M
$845.5M
Total Assets
$2.0B
$2.5B
Debt / EquityLower = less leverage
1.19×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
GH
GH
OSIS
OSIS
Q4 25
$378.2M
$336.7M
Q3 25
$580.0M
$124.4M
Q2 25
$629.1M
$106.4M
Q1 25
$698.6M
$95.8M
Q4 24
$525.5M
$101.6M
Q3 24
$585.0M
$85.1M
Q2 24
$933.7M
$95.4M
Q1 24
$1.0B
$101.4M
Total Debt
GH
GH
OSIS
OSIS
Q4 25
$1.5B
$1.0B
Q3 25
$1.1B
$442.2M
Q2 25
$1.1B
$471.6M
Q1 25
$1.1B
$473.2M
Q4 24
$1.1B
$474.8M
Q3 24
$476.3M
Q2 24
$137.6M
Q1 24
Stockholders' Equity
GH
GH
OSIS
OSIS
Q4 25
$-99.3M
$845.5M
Q3 25
$-354.5M
$946.0M
Q2 25
$-305.5M
$951.1M
Q1 25
$-250.8M
$879.3M
Q4 24
$-139.6M
$825.8M
Q3 24
$-60.1M
$786.5M
Q2 24
$-1.6M
$863.5M
Q1 24
$68.3M
$813.4M
Total Assets
GH
GH
OSIS
OSIS
Q4 25
$2.0B
$2.5B
Q3 25
$1.3B
$2.3B
Q2 25
$1.3B
$2.2B
Q1 25
$1.3B
$2.1B
Q4 24
$1.5B
$2.1B
Q3 24
$1.5B
$2.1B
Q2 24
$1.6B
$1.9B
Q1 24
$1.7B
$1.8B
Debt / Equity
GH
GH
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
GH
GH
OSIS
OSIS
Operating Cash FlowLast quarter
$-26.4M
$62.2M
Free Cash FlowOCF − Capex
$-54.2M
$55.5M
FCF MarginFCF / Revenue
-19.3%
12.0%
Capex IntensityCapex / Revenue
9.9%
1.4%
Cash ConversionOCF / Net Profit
1.61×
TTM Free Cash FlowTrailing 4 quarters
$-233.1M
$137.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
GH
GH
OSIS
OSIS
Q4 25
$-26.4M
$62.2M
Q3 25
$-35.4M
$17.1M
Q2 25
$-60.3M
$562.0K
Q1 25
$-62.7M
$81.6M
Q4 24
$-64.5M
$52.5M
Q3 24
$-51.1M
$-37.2M
Q2 24
$-94.0M
$-29.0M
Q1 24
$-30.3M
$-52.1M
Free Cash Flow
GH
GH
OSIS
OSIS
Q4 25
$-54.2M
$55.5M
Q3 25
$-45.8M
$10.1M
Q2 25
$-65.9M
$-5.6M
Q1 25
$-67.1M
$77.1M
Q4 24
$-83.4M
$47.1M
Q3 24
$-55.3M
$-44.9M
Q2 24
$-99.1M
$-37.5M
Q1 24
$-37.2M
$-57.0M
FCF Margin
GH
GH
OSIS
OSIS
Q4 25
-19.3%
12.0%
Q3 25
-17.3%
2.6%
Q2 25
-28.4%
-1.1%
Q1 25
-33.0%
17.4%
Q4 24
-41.3%
11.2%
Q3 24
-28.9%
-13.0%
Q2 24
-55.9%
-7.8%
Q1 24
-22.1%
-14.1%
Capex Intensity
GH
GH
OSIS
OSIS
Q4 25
9.9%
1.4%
Q3 25
3.9%
1.8%
Q2 25
2.4%
1.2%
Q1 25
2.2%
1.0%
Q4 24
9.4%
1.3%
Q3 24
2.2%
2.2%
Q2 24
2.9%
1.8%
Q1 24
4.1%
1.2%
Cash Conversion
GH
GH
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

GH
GH

Oncology$189.9M68%
Biopharma Data$54.0M19%
Screening$35.1M12%
Licensing Other$2.2M1%

OSIS
OSIS

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

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