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

INNOSPEC INC. is the larger business by last-quarter revenue ($453.2M vs $336.8M, roughly 1.3× TIDEWATER INC). TIDEWATER INC runs the higher net margin — 65.3% vs 6.8%, a 58.5% gap on every dollar of revenue. On growth, INNOSPEC INC. posted the faster year-over-year revenue change (2.8% vs -2.4%). Over the past eight quarters, TIDEWATER INC's revenue compounded faster (2.4% CAGR vs 2.1%).

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.

Tidewater, Inc. is a publicly traded international petroleum service company headquartered in Houston, Texas, U.S. It operates a fleet of ships, primarily providing vessels and marine services to the offshore petroleum and offshore wind industries.

IOSP vs TDW — Head-to-Head

Bigger by revenue
IOSP
IOSP
1.3× larger
IOSP
$453.2M
$336.8M
TDW
Growing faster (revenue YoY)
IOSP
IOSP
+5.2% gap
IOSP
2.8%
-2.4%
TDW
Higher net margin
TDW
TDW
58.5% more per $
TDW
65.3%
6.8%
IOSP
Faster 2-yr revenue CAGR
TDW
TDW
Annualised
TDW
2.4%
2.1%
IOSP

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
IOSP
IOSP
TDW
TDW
Revenue
$453.2M
$336.8M
Net Profit
$30.8M
$219.9M
Gross Margin
27.3%
Operating Margin
8.1%
19.0%
Net Margin
6.8%
65.3%
Revenue YoY
2.8%
-2.4%
Net Profit YoY
-8.3%
495.8%
EPS (diluted)
$1.22
$4.37

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
TDW
TDW
Q1 26
$453.2M
Q4 25
$455.6M
$336.8M
Q3 25
$441.9M
$341.1M
Q2 25
$439.7M
$341.4M
Q1 25
$440.8M
$333.4M
Q4 24
$466.8M
$345.1M
Q3 24
$443.4M
$340.4M
Q2 24
$435.0M
$339.2M
Net Profit
IOSP
IOSP
TDW
TDW
Q1 26
$30.8M
Q4 25
$47.4M
$219.9M
Q3 25
$12.9M
$-806.0K
Q2 25
$23.5M
$72.9M
Q1 25
$32.8M
$42.7M
Q4 24
$-70.4M
$36.9M
Q3 24
$33.4M
$46.4M
Q2 24
$31.2M
$50.4M
Gross Margin
IOSP
IOSP
TDW
TDW
Q1 26
27.3%
Q4 25
28.0%
Q3 25
26.4%
Q2 25
28.0%
Q1 25
28.4%
Q4 24
29.2%
Q3 24
28.0%
Q2 24
29.2%
Operating Margin
IOSP
IOSP
TDW
TDW
Q1 26
8.1%
Q4 25
10.3%
19.0%
Q3 25
1.3%
18.4%
Q2 25
7.8%
23.7%
Q1 25
9.6%
22.5%
Q4 24
8.8%
23.6%
Q3 24
10.3%
20.6%
Q2 24
9.4%
23.0%
Net Margin
IOSP
IOSP
TDW
TDW
Q1 26
6.8%
Q4 25
10.4%
65.3%
Q3 25
2.9%
-0.2%
Q2 25
5.3%
21.4%
Q1 25
7.4%
12.8%
Q4 24
-15.1%
10.7%
Q3 24
7.5%
13.6%
Q2 24
7.2%
14.8%
EPS (diluted)
IOSP
IOSP
TDW
TDW
Q1 26
$1.22
Q4 25
$1.90
$4.37
Q3 25
$0.52
$-0.02
Q2 25
$0.94
$1.46
Q1 25
$1.31
$0.83
Q4 24
$-2.80
$0.70
Q3 24
$1.33
$0.87
Q2 24
$1.24
$0.94

Balance Sheet & Financial Strength

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

Metric
IOSP
IOSP
TDW
TDW
Cash + ST InvestmentsLiquidity on hand
$289.1M
$578.8M
Total DebtLower is stronger
$670.1M
Stockholders' EquityBook value
$1.4B
$1.4B
Total Assets
$1.8B
$2.4B
Debt / EquityLower = less leverage
0.49×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
IOSP
IOSP
TDW
TDW
Q1 26
$289.1M
Q4 25
$292.5M
$578.8M
Q3 25
$270.8M
$428.2M
Q2 25
$266.6M
$369.4M
Q1 25
$299.8M
$341.8M
Q4 24
$289.2M
$324.9M
Q3 24
$303.8M
$280.8M
Q2 24
$240.2M
$315.9M
Total Debt
IOSP
IOSP
TDW
TDW
Q1 26
Q4 25
$670.1M
Q3 25
Q2 25
Q1 25
Q4 24
$647.9M
Q3 24
Q2 24
Stockholders' Equity
IOSP
IOSP
TDW
TDW
Q1 26
$1.4B
Q4 25
$1.3B
$1.4B
Q3 25
$1.3B
$1.1B
Q2 25
$1.3B
$1.1B
Q1 25
$1.3B
$1.1B
Q4 24
$1.2B
$1.1B
Q3 24
$1.2B
$1.1B
Q2 24
$1.2B
$1.1B
Total Assets
IOSP
IOSP
TDW
TDW
Q1 26
$1.8B
Q4 25
$1.8B
$2.4B
Q3 25
$1.8B
$2.1B
Q2 25
$1.8B
$2.1B
Q1 25
$1.8B
$2.1B
Q4 24
$1.7B
$2.1B
Q3 24
$1.8B
$2.0B
Q2 24
$1.7B
$2.1B
Debt / Equity
IOSP
IOSP
TDW
TDW
Q1 26
Q4 25
0.49×
Q3 25
Q2 25
Q1 25
Q4 24
0.58×
Q3 24
Q2 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
TDW
TDW
Operating Cash FlowLast quarter
$17.6M
$153.0M
Free Cash FlowOCF − Capex
$147.8M
FCF MarginFCF / Revenue
43.9%
Capex IntensityCapex / Revenue
2.0%
1.5%
Cash ConversionOCF / Net Profit
0.57×
0.70×
TTM Free Cash FlowTrailing 4 quarters
$353.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
IOSP
IOSP
TDW
TDW
Q1 26
$17.6M
Q4 25
$61.4M
$153.0M
Q3 25
$39.3M
$54.7M
Q2 25
$9.3M
$85.4M
Q1 25
$28.3M
$86.0M
Q4 24
$25.7M
$100.0M
Q3 24
$73.5M
$49.0M
Q2 24
$4.7M
$78.6M
Free Cash Flow
IOSP
IOSP
TDW
TDW
Q1 26
Q4 25
$46.8M
$147.8M
Q3 25
$25.0M
$49.6M
Q2 25
$-3.7M
$80.2M
Q1 25
$19.9M
$75.7M
Q4 24
$13.6M
$95.5M
Q3 24
$65.8M
$43.3M
Q2 24
$-6.2M
$72.3M
FCF Margin
IOSP
IOSP
TDW
TDW
Q1 26
Q4 25
10.3%
43.9%
Q3 25
5.7%
14.5%
Q2 25
-0.8%
23.5%
Q1 25
4.5%
22.7%
Q4 24
2.9%
27.7%
Q3 24
14.8%
12.7%
Q2 24
-1.4%
21.3%
Capex Intensity
IOSP
IOSP
TDW
TDW
Q1 26
2.0%
Q4 25
3.2%
1.5%
Q3 25
3.2%
1.5%
Q2 25
3.0%
1.5%
Q1 25
1.9%
3.1%
Q4 24
2.6%
1.3%
Q3 24
1.7%
1.7%
Q2 24
2.5%
1.9%
Cash Conversion
IOSP
IOSP
TDW
TDW
Q1 26
0.57×
Q4 25
1.30×
0.70×
Q3 25
3.05×
Q2 25
0.40×
1.17×
Q1 25
0.86×
2.02×
Q4 24
2.71×
Q3 24
2.20×
1.06×
Q2 24
0.15×
1.56×

Financial Flow Comparison

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

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