vs

Side-by-side financial comparison of ACM Research, Inc. (ACMR) 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 $244.4M, roughly 1.9× ACM Research, Inc.). OSI SYSTEMS INC runs the higher net margin — 8.3% vs 3.3%, a 5.0% gap on every dollar of revenue. On growth, OSI SYSTEMS INC posted the faster year-over-year revenue change (10.5% vs 9.4%). OSI SYSTEMS INC produced more free cash flow last quarter ($55.5M vs $20.1M). Over the past eight quarters, ACM Research, Inc.'s revenue compounded faster (26.7% CAGR vs 7.0%).

ACM Research, Inc. is a leading global supplier of advanced processing equipment for the semiconductor manufacturing industry. It designs, develops and commercializes high-performance wet processing systems including wafer cleaning, electroplating and etching tools, which support production of advanced logic, memory and power semiconductor chips, serving chip manufacturers across Asia, North America and Europe.

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.

ACMR vs OSIS — Head-to-Head

Bigger by revenue
OSIS
OSIS
1.9× larger
OSIS
$464.1M
$244.4M
ACMR
Growing faster (revenue YoY)
OSIS
OSIS
+1.2% gap
OSIS
10.5%
9.4%
ACMR
Higher net margin
OSIS
OSIS
5.0% more per $
OSIS
8.3%
3.3%
ACMR
More free cash flow
OSIS
OSIS
$35.4M more FCF
OSIS
$55.5M
$20.1M
ACMR
Faster 2-yr revenue CAGR
ACMR
ACMR
Annualised
ACMR
26.7%
7.0%
OSIS

Income Statement — Q4 FY2025 vs Q2 FY2026

Metric
ACMR
ACMR
OSIS
OSIS
Revenue
$244.4M
$464.1M
Net Profit
$8.0M
$38.7M
Gross Margin
40.9%
32.7%
Operating Margin
9.4%
12.7%
Net Margin
3.3%
8.3%
Revenue YoY
9.4%
10.5%
Net Profit YoY
-74.1%
2.3%
EPS (diluted)
$0.11
$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
ACMR
ACMR
OSIS
OSIS
Q4 25
$244.4M
$464.1M
Q3 25
$269.2M
$384.6M
Q2 25
$215.4M
$505.0M
Q1 25
$172.3M
$444.4M
Q4 24
$223.5M
$419.8M
Q3 24
$204.0M
$344.0M
Q2 24
$202.5M
$480.9M
Q1 24
$152.2M
$405.4M
Net Profit
ACMR
ACMR
OSIS
OSIS
Q4 25
$8.0M
$38.7M
Q3 25
$35.9M
$20.6M
Q2 25
$29.8M
$52.7M
Q1 25
$20.4M
$41.1M
Q4 24
$31.1M
$37.8M
Q3 24
$30.9M
$17.9M
Q2 24
$24.2M
$44.7M
Q1 24
$17.4M
$34.0M
Gross Margin
ACMR
ACMR
OSIS
OSIS
Q4 25
40.9%
32.7%
Q3 25
42.0%
32.0%
Q2 25
48.5%
33.3%
Q1 25
47.9%
33.8%
Q4 24
49.6%
35.1%
Q3 24
51.4%
35.3%
Q2 24
47.8%
32.1%
Q1 24
52.0%
33.6%
Operating Margin
ACMR
ACMR
OSIS
OSIS
Q4 25
9.4%
12.7%
Q3 25
10.7%
8.6%
Q2 25
14.7%
14.5%
Q1 25
15.0%
12.7%
Q4 24
19.7%
13.8%
Q3 24
21.7%
8.8%
Q2 24
18.6%
13.1%
Q1 24
16.6%
12.7%
Net Margin
ACMR
ACMR
OSIS
OSIS
Q4 25
3.3%
8.3%
Q3 25
13.3%
5.3%
Q2 25
13.8%
10.4%
Q1 25
11.8%
9.3%
Q4 24
13.9%
9.0%
Q3 24
15.2%
5.2%
Q2 24
12.0%
9.3%
Q1 24
11.5%
8.4%
EPS (diluted)
ACMR
ACMR
OSIS
OSIS
Q4 25
$0.11
$2.22
Q3 25
$0.52
$1.18
Q2 25
$0.44
$3.04
Q1 25
$0.30
$2.40
Q4 24
$0.47
$2.22
Q3 24
$0.45
$1.05
Q2 24
$0.35
$2.57
Q1 24
$0.26
$1.95

Balance Sheet & Financial Strength

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

Metric
ACMR
ACMR
OSIS
OSIS
Cash + ST InvestmentsLiquidity on hand
$792.9M
$336.7M
Total DebtLower is stronger
$214.0M
$1.0B
Stockholders' EquityBook value
$1.5B
$845.5M
Total Assets
$2.9B
$2.5B
Debt / EquityLower = less leverage
0.15×
1.19×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ACMR
ACMR
OSIS
OSIS
Q4 25
$792.9M
$336.7M
Q3 25
$1.1B
$124.4M
Q2 25
$463.2M
$106.4M
Q1 25
$475.6M
$95.8M
Q4 24
$426.8M
$101.6M
Q3 24
$353.8M
$85.1M
Q2 24
$343.6M
$95.4M
Q1 24
$230.0M
$101.4M
Total Debt
ACMR
ACMR
OSIS
OSIS
Q4 25
$214.0M
$1.0B
Q3 25
$242.0M
$442.2M
Q2 25
$225.1M
$471.6M
Q1 25
$202.5M
$473.2M
Q4 24
$150.0M
$474.8M
Q3 24
$150.0M
$476.3M
Q2 24
$90.5M
$137.6M
Q1 24
$60.0M
Stockholders' Equity
ACMR
ACMR
OSIS
OSIS
Q4 25
$1.5B
$845.5M
Q3 25
$1.4B
$946.0M
Q2 25
$986.5M
$951.1M
Q1 25
$949.1M
$879.3M
Q4 24
$904.6M
$825.8M
Q3 24
$888.2M
$786.5M
Q2 24
$833.2M
$863.5M
Q1 24
$796.2M
$813.4M
Total Assets
ACMR
ACMR
OSIS
OSIS
Q4 25
$2.9B
$2.5B
Q3 25
$2.8B
$2.3B
Q2 25
$2.0B
$2.2B
Q1 25
$1.9B
$2.1B
Q4 24
$1.9B
$2.1B
Q3 24
$1.8B
$2.1B
Q2 24
$1.7B
$1.9B
Q1 24
$1.6B
$1.8B
Debt / Equity
ACMR
ACMR
OSIS
OSIS
Q4 25
0.15×
1.19×
Q3 25
0.17×
0.47×
Q2 25
0.23×
0.50×
Q1 25
0.21×
0.54×
Q4 24
0.17×
0.57×
Q3 24
0.17×
0.61×
Q2 24
0.11×
0.16×
Q1 24
0.08×

Cash Flow & Capital Efficiency

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

Metric
ACMR
ACMR
OSIS
OSIS
Operating Cash FlowLast quarter
$33.9M
$62.2M
Free Cash FlowOCF − Capex
$20.1M
$55.5M
FCF MarginFCF / Revenue
8.2%
12.0%
Capex IntensityCapex / Revenue
5.6%
1.4%
Cash ConversionOCF / Net Profit
4.21×
1.61×
TTM Free Cash FlowTrailing 4 quarters
$-66.6M
$137.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ACMR
ACMR
OSIS
OSIS
Q4 25
$33.9M
$62.2M
Q3 25
$-4.6M
$17.1M
Q2 25
$-44.9M
$562.0K
Q1 25
$5.3M
$81.6M
Q4 24
$88.6M
$52.5M
Q3 24
$11.9M
$-37.2M
Q2 24
$61.6M
$-29.0M
Q1 24
$-9.6M
$-52.1M
Free Cash Flow
ACMR
ACMR
OSIS
OSIS
Q4 25
$20.1M
$55.5M
Q3 25
$-15.6M
$10.1M
Q2 25
$-59.6M
$-5.6M
Q1 25
$-11.4M
$77.1M
Q4 24
$77.2M
$47.1M
Q3 24
$-20.6M
$-44.9M
Q2 24
$48.5M
$-37.5M
Q1 24
$-35.1M
$-57.0M
FCF Margin
ACMR
ACMR
OSIS
OSIS
Q4 25
8.2%
12.0%
Q3 25
-5.8%
2.6%
Q2 25
-27.7%
-1.1%
Q1 25
-6.6%
17.4%
Q4 24
34.5%
11.2%
Q3 24
-10.1%
-13.0%
Q2 24
24.0%
-7.8%
Q1 24
-23.0%
-14.1%
Capex Intensity
ACMR
ACMR
OSIS
OSIS
Q4 25
5.6%
1.4%
Q3 25
4.1%
1.8%
Q2 25
6.8%
1.2%
Q1 25
9.7%
1.0%
Q4 24
5.1%
1.3%
Q3 24
16.0%
2.2%
Q2 24
6.5%
1.8%
Q1 24
16.7%
1.2%
Cash Conversion
ACMR
ACMR
OSIS
OSIS
Q4 25
4.21×
1.61×
Q3 25
-0.13×
0.83×
Q2 25
-1.51×
0.01×
Q1 25
0.26×
1.98×
Q4 24
2.85×
1.39×
Q3 24
0.39×
-2.07×
Q2 24
2.54×
-0.65×
Q1 24
-0.55×
-1.53×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ACMR
ACMR

Total Single Wafer And Semi Critical Cleaning Equipment$159.9M65%
ECP Front End And Packaging Furnace And Other Technologies$64.1M26%
Advanced Packaging Exclude ECP Services Spares$20.5M8%

OSIS
OSIS

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

Related Comparisons