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Side-by-side financial comparison of INNOSPEC INC. (IOSP) and SentinelOne, Inc. (S). Click either name above to swap in a different company.

INNOSPEC INC. is the larger business by last-quarter revenue ($455.6M vs $258.9M, roughly 1.8× SentinelOne, Inc.). INNOSPEC INC. runs the higher net margin — 10.4% vs -23.3%, a 33.7% gap on every dollar of revenue. On growth, SentinelOne, Inc. posted the faster year-over-year revenue change (22.9% vs -2.4%). INNOSPEC INC. produced more free cash flow last quarter ($46.8M vs $20.9M).

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.

SentinelOne, Inc. is an American cybersecurity company listed on NYSE based in Mountain View, California. The company was founded in 2013 by Tomer Weingarten, Almog Cohen and Ehud ("Udi") Shamir. Weingarten acts as the company's CEO. The company has approximately 2,800 employees and offices in Mountain View, Boston, Prague, Tokyo, and Tel Aviv. The company uses machine learning for monitoring personal computers, IoT devices, and cloud workloads. The company's platform utilizes a heuristic mod...

IOSP vs S — Head-to-Head

Bigger by revenue
IOSP
IOSP
1.8× larger
IOSP
$455.6M
$258.9M
S
Growing faster (revenue YoY)
S
S
+25.3% gap
S
22.9%
-2.4%
IOSP
Higher net margin
IOSP
IOSP
33.7% more per $
IOSP
10.4%
-23.3%
S
More free cash flow
IOSP
IOSP
$25.9M more FCF
IOSP
$46.8M
$20.9M
S

Income Statement — Q4 FY2025 vs Q3 FY2026

Metric
IOSP
IOSP
S
S
Revenue
$455.6M
$258.9M
Net Profit
$47.4M
$-60.3M
Gross Margin
28.0%
73.8%
Operating Margin
10.3%
-28.3%
Net Margin
10.4%
-23.3%
Revenue YoY
-2.4%
22.9%
Net Profit YoY
167.3%
23.1%
EPS (diluted)
$1.90
$-0.18

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
S
S
Q4 25
$455.6M
$258.9M
Q3 25
$441.9M
$242.2M
Q2 25
$439.7M
$229.0M
Q1 25
$440.8M
Q4 24
$466.8M
Q3 24
$443.4M
Q2 24
$435.0M
Q1 24
$500.2M
Net Profit
IOSP
IOSP
S
S
Q4 25
$47.4M
$-60.3M
Q3 25
$12.9M
$-72.0M
Q2 25
$23.5M
$-208.2M
Q1 25
$32.8M
Q4 24
$-70.4M
Q3 24
$33.4M
Q2 24
$31.2M
Q1 24
$41.4M
Gross Margin
IOSP
IOSP
S
S
Q4 25
28.0%
73.8%
Q3 25
26.4%
75.0%
Q2 25
28.0%
75.3%
Q1 25
28.4%
Q4 24
29.2%
Q3 24
28.0%
Q2 24
29.2%
Q1 24
31.1%
Operating Margin
IOSP
IOSP
S
S
Q4 25
10.3%
-28.3%
Q3 25
1.3%
-33.3%
Q2 25
7.8%
-38.2%
Q1 25
9.6%
Q4 24
8.8%
Q3 24
10.3%
Q2 24
9.4%
Q1 24
10.1%
Net Margin
IOSP
IOSP
S
S
Q4 25
10.4%
-23.3%
Q3 25
2.9%
-29.7%
Q2 25
5.3%
-90.9%
Q1 25
7.4%
Q4 24
-15.1%
Q3 24
7.5%
Q2 24
7.2%
Q1 24
8.3%
EPS (diluted)
IOSP
IOSP
S
S
Q4 25
$1.90
$-0.18
Q3 25
$0.52
$-0.22
Q2 25
$0.94
$-0.63
Q1 25
$1.31
Q4 24
$-2.80
Q3 24
$1.33
Q2 24
$1.24
Q1 24
$1.65

Balance Sheet & Financial Strength

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

Metric
IOSP
IOSP
S
S
Cash + ST InvestmentsLiquidity on hand
$292.5M
$649.8M
Total DebtLower is stronger
Stockholders' EquityBook value
$1.3B
$1.5B
Total Assets
$1.8B
$2.4B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
IOSP
IOSP
S
S
Q4 25
$292.5M
$649.8M
Q3 25
$270.8M
$810.8M
Q2 25
$266.6M
$766.9M
Q1 25
$299.8M
Q4 24
$289.2M
Q3 24
$303.8M
Q2 24
$240.2M
Q1 24
$270.1M
Stockholders' Equity
IOSP
IOSP
S
S
Q4 25
$1.3B
$1.5B
Q3 25
$1.3B
$1.5B
Q2 25
$1.3B
$1.5B
Q1 25
$1.3B
Q4 24
$1.2B
Q3 24
$1.2B
Q2 24
$1.2B
Q1 24
$1.2B
Total Assets
IOSP
IOSP
S
S
Q4 25
$1.8B
$2.4B
Q3 25
$1.8B
$2.4B
Q2 25
$1.8B
$2.4B
Q1 25
$1.8B
Q4 24
$1.7B
Q3 24
$1.8B
Q2 24
$1.7B
Q1 24
$1.7B

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
S
S
Operating Cash FlowLast quarter
$61.4M
$21.0M
Free Cash FlowOCF − Capex
$46.8M
$20.9M
FCF MarginFCF / Revenue
10.3%
8.1%
Capex IntensityCapex / Revenue
3.2%
0.0%
Cash ConversionOCF / Net Profit
1.30×
TTM Free Cash FlowTrailing 4 quarters
$88.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
IOSP
IOSP
S
S
Q4 25
$61.4M
$21.0M
Q3 25
$39.3M
$-1.0M
Q2 25
$9.3M
$52.3M
Q1 25
$28.3M
Q4 24
$25.7M
Q3 24
$73.5M
Q2 24
$4.7M
Q1 24
$80.6M
Free Cash Flow
IOSP
IOSP
S
S
Q4 25
$46.8M
$20.9M
Q3 25
$25.0M
$-1.3M
Q2 25
$-3.7M
$52.1M
Q1 25
$19.9M
Q4 24
$13.6M
Q3 24
$65.8M
Q2 24
$-6.2M
Q1 24
$69.9M
FCF Margin
IOSP
IOSP
S
S
Q4 25
10.3%
8.1%
Q3 25
5.7%
-0.5%
Q2 25
-0.8%
22.8%
Q1 25
4.5%
Q4 24
2.9%
Q3 24
14.8%
Q2 24
-1.4%
Q1 24
14.0%
Capex Intensity
IOSP
IOSP
S
S
Q4 25
3.2%
0.0%
Q3 25
3.2%
0.1%
Q2 25
3.0%
0.1%
Q1 25
1.9%
Q4 24
2.6%
Q3 24
1.7%
Q2 24
2.5%
Q1 24
2.1%
Cash Conversion
IOSP
IOSP
S
S
Q4 25
1.30×
Q3 25
3.05×
Q2 25
0.40×
Q1 25
0.86×
Q4 24
Q3 24
2.20×
Q2 24
0.15×
Q1 24
1.95×

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%

S
S

US$154.8M60%
Non Us$104.1M40%

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