vs

Side-by-side financial comparison of INNOSPEC INC. (IOSP) 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 $455.6M, roughly 1.0× INNOSPEC INC.). INNOSPEC INC. runs the higher net margin — 10.4% vs 8.3%, a 2.1% gap on every dollar of revenue. On growth, OSI SYSTEMS INC posted the faster year-over-year revenue change (10.5% vs -2.4%). OSI SYSTEMS INC produced more free cash flow last quarter ($55.5M vs $46.8M). Over the past eight quarters, OSI SYSTEMS INC's revenue compounded faster (7.0% CAGR vs -4.6%).

Innospec Inc., formerly known as Octel Corporation and Associated Octel Company, Ltd., is an American specialty chemical company. It comprises three business units:The Performance Chemicals business trades in the personal care, home care, agrochemical, mining and industrial markets. The Fuel Specialties business specializes in manufacturing and supplying fuel additives. The Oilfield Services business supplies drilling, completion and production chemicals.

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.

IOSP vs OSIS — Head-to-Head

Bigger by revenue
OSIS
OSIS
1.0× larger
OSIS
$464.1M
$455.6M
IOSP
Growing faster (revenue YoY)
OSIS
OSIS
+12.9% gap
OSIS
10.5%
-2.4%
IOSP
Higher net margin
IOSP
IOSP
2.1% more per $
IOSP
10.4%
8.3%
OSIS
More free cash flow
OSIS
OSIS
$8.7M more FCF
OSIS
$55.5M
$46.8M
IOSP
Faster 2-yr revenue CAGR
OSIS
OSIS
Annualised
OSIS
7.0%
-4.6%
IOSP

Income Statement — Q4 FY2025 vs Q2 FY2026

Metric
IOSP
IOSP
OSIS
OSIS
Revenue
$455.6M
$464.1M
Net Profit
$47.4M
$38.7M
Gross Margin
28.0%
32.7%
Operating Margin
10.3%
12.7%
Net Margin
10.4%
8.3%
Revenue YoY
-2.4%
10.5%
Net Profit YoY
167.3%
2.3%
EPS (diluted)
$1.90
$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
IOSP
IOSP
OSIS
OSIS
Q4 25
$455.6M
$464.1M
Q3 25
$441.9M
$384.6M
Q2 25
$439.7M
$505.0M
Q1 25
$440.8M
$444.4M
Q4 24
$466.8M
$419.8M
Q3 24
$443.4M
$344.0M
Q2 24
$435.0M
$480.9M
Q1 24
$500.2M
$405.4M
Net Profit
IOSP
IOSP
OSIS
OSIS
Q4 25
$47.4M
$38.7M
Q3 25
$12.9M
$20.6M
Q2 25
$23.5M
$52.7M
Q1 25
$32.8M
$41.1M
Q4 24
$-70.4M
$37.8M
Q3 24
$33.4M
$17.9M
Q2 24
$31.2M
$44.7M
Q1 24
$41.4M
$34.0M
Gross Margin
IOSP
IOSP
OSIS
OSIS
Q4 25
28.0%
32.7%
Q3 25
26.4%
32.0%
Q2 25
28.0%
33.3%
Q1 25
28.4%
33.8%
Q4 24
29.2%
35.1%
Q3 24
28.0%
35.3%
Q2 24
29.2%
32.1%
Q1 24
31.1%
33.6%
Operating Margin
IOSP
IOSP
OSIS
OSIS
Q4 25
10.3%
12.7%
Q3 25
1.3%
8.6%
Q2 25
7.8%
14.5%
Q1 25
9.6%
12.7%
Q4 24
8.8%
13.8%
Q3 24
10.3%
8.8%
Q2 24
9.4%
13.1%
Q1 24
10.1%
12.7%
Net Margin
IOSP
IOSP
OSIS
OSIS
Q4 25
10.4%
8.3%
Q3 25
2.9%
5.3%
Q2 25
5.3%
10.4%
Q1 25
7.4%
9.3%
Q4 24
-15.1%
9.0%
Q3 24
7.5%
5.2%
Q2 24
7.2%
9.3%
Q1 24
8.3%
8.4%
EPS (diluted)
IOSP
IOSP
OSIS
OSIS
Q4 25
$1.90
$2.22
Q3 25
$0.52
$1.18
Q2 25
$0.94
$3.04
Q1 25
$1.31
$2.40
Q4 24
$-2.80
$2.22
Q3 24
$1.33
$1.05
Q2 24
$1.24
$2.57
Q1 24
$1.65
$1.95

Balance Sheet & Financial Strength

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

Metric
IOSP
IOSP
OSIS
OSIS
Cash + ST InvestmentsLiquidity on hand
$292.5M
$336.7M
Total DebtLower is stronger
$1.0B
Stockholders' EquityBook value
$1.3B
$845.5M
Total Assets
$1.8B
$2.5B
Debt / EquityLower = less leverage
1.19×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
IOSP
IOSP
OSIS
OSIS
Q4 25
$292.5M
$336.7M
Q3 25
$270.8M
$124.4M
Q2 25
$266.6M
$106.4M
Q1 25
$299.8M
$95.8M
Q4 24
$289.2M
$101.6M
Q3 24
$303.8M
$85.1M
Q2 24
$240.2M
$95.4M
Q1 24
$270.1M
$101.4M
Total Debt
IOSP
IOSP
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
IOSP
IOSP
OSIS
OSIS
Q4 25
$1.3B
$845.5M
Q3 25
$1.3B
$946.0M
Q2 25
$1.3B
$951.1M
Q1 25
$1.3B
$879.3M
Q4 24
$1.2B
$825.8M
Q3 24
$1.2B
$786.5M
Q2 24
$1.2B
$863.5M
Q1 24
$1.2B
$813.4M
Total Assets
IOSP
IOSP
OSIS
OSIS
Q4 25
$1.8B
$2.5B
Q3 25
$1.8B
$2.3B
Q2 25
$1.8B
$2.2B
Q1 25
$1.8B
$2.1B
Q4 24
$1.7B
$2.1B
Q3 24
$1.8B
$2.1B
Q2 24
$1.7B
$1.9B
Q1 24
$1.7B
$1.8B
Debt / Equity
IOSP
IOSP
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
IOSP
IOSP
OSIS
OSIS
Operating Cash FlowLast quarter
$61.4M
$62.2M
Free Cash FlowOCF − Capex
$46.8M
$55.5M
FCF MarginFCF / Revenue
10.3%
12.0%
Capex IntensityCapex / Revenue
3.2%
1.4%
Cash ConversionOCF / Net Profit
1.30×
1.61×
TTM Free Cash FlowTrailing 4 quarters
$88.0M
$137.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
IOSP
IOSP
OSIS
OSIS
Q4 25
$61.4M
$62.2M
Q3 25
$39.3M
$17.1M
Q2 25
$9.3M
$562.0K
Q1 25
$28.3M
$81.6M
Q4 24
$25.7M
$52.5M
Q3 24
$73.5M
$-37.2M
Q2 24
$4.7M
$-29.0M
Q1 24
$80.6M
$-52.1M
Free Cash Flow
IOSP
IOSP
OSIS
OSIS
Q4 25
$46.8M
$55.5M
Q3 25
$25.0M
$10.1M
Q2 25
$-3.7M
$-5.6M
Q1 25
$19.9M
$77.1M
Q4 24
$13.6M
$47.1M
Q3 24
$65.8M
$-44.9M
Q2 24
$-6.2M
$-37.5M
Q1 24
$69.9M
$-57.0M
FCF Margin
IOSP
IOSP
OSIS
OSIS
Q4 25
10.3%
12.0%
Q3 25
5.7%
2.6%
Q2 25
-0.8%
-1.1%
Q1 25
4.5%
17.4%
Q4 24
2.9%
11.2%
Q3 24
14.8%
-13.0%
Q2 24
-1.4%
-7.8%
Q1 24
14.0%
-14.1%
Capex Intensity
IOSP
IOSP
OSIS
OSIS
Q4 25
3.2%
1.4%
Q3 25
3.2%
1.8%
Q2 25
3.0%
1.2%
Q1 25
1.9%
1.0%
Q4 24
2.6%
1.3%
Q3 24
1.7%
2.2%
Q2 24
2.5%
1.8%
Q1 24
2.1%
1.2%
Cash Conversion
IOSP
IOSP
OSIS
OSIS
Q4 25
1.30×
1.61×
Q3 25
3.05×
0.83×
Q2 25
0.40×
0.01×
Q1 25
0.86×
1.98×
Q4 24
1.39×
Q3 24
2.20×
-2.07×
Q2 24
0.15×
-0.65×
Q1 24
1.95×
-1.53×

Financial Flow Comparison

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

Revenue Breakdown by Segment

IOSP
IOSP

Refinery And Performance$147.0M32%
Personal Care$99.7M22%
Oilfield Services$93.1M20%
Other Fuel Specialties$47.1M10%
Other Performance Chemicals$40.0M9%
Home Care$28.7M6%

OSIS
OSIS

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

Related Comparisons