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

INNOSPEC INC. is the larger business by last-quarter revenue ($455.6M vs $406.7M, roughly 1.1× ZIFF DAVIS, INC.). INNOSPEC INC. runs the higher net margin — 10.4% vs 0.1%, a 10.3% gap on every dollar of revenue. On growth, ZIFF DAVIS, INC. posted the faster year-over-year revenue change (-1.5% vs -2.4%). ZIFF DAVIS, INC. produced more free cash flow last quarter ($157.8M vs $46.8M). Over the past eight quarters, ZIFF DAVIS, INC.'s revenue compounded faster (13.7% 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.

Ziff Davis, Inc. is an American digital media and Internet company. Founded in 1927 by William Bernard Ziff Sr. and Bernard George Davis, the company primarily owns technology- and health-oriented media websites, online shopping-related services, Internet connectivity services, gaming and entertainment brands, and cybersecurity and martech tools. Previously, the company was predominantly a publisher of hobbyist magazines.

IOSP vs ZD — Head-to-Head

Bigger by revenue
IOSP
IOSP
1.1× larger
IOSP
$455.6M
$406.7M
ZD
Growing faster (revenue YoY)
ZD
ZD
+0.9% gap
ZD
-1.5%
-2.4%
IOSP
Higher net margin
IOSP
IOSP
10.3% more per $
IOSP
10.4%
0.1%
ZD
More free cash flow
ZD
ZD
$111.0M more FCF
ZD
$157.8M
$46.8M
IOSP
Faster 2-yr revenue CAGR
ZD
ZD
Annualised
ZD
13.7%
-4.6%
IOSP

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
IOSP
IOSP
ZD
ZD
Revenue
$455.6M
$406.7M
Net Profit
$47.4M
$370.0K
Gross Margin
28.0%
85.9%
Operating Margin
10.3%
21.2%
Net Margin
10.4%
0.1%
Revenue YoY
-2.4%
-1.5%
Net Profit YoY
167.3%
-99.4%
EPS (diluted)
$1.90
$0.06

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
ZD
ZD
Q4 25
$455.6M
$406.7M
Q3 25
$441.9M
$363.7M
Q2 25
$439.7M
$352.2M
Q1 25
$440.8M
$328.6M
Q4 24
$466.8M
$412.8M
Q3 24
$443.4M
$353.6M
Q2 24
$435.0M
$320.8M
Q1 24
$500.2M
$314.5M
Net Profit
IOSP
IOSP
ZD
ZD
Q4 25
$47.4M
$370.0K
Q3 25
$12.9M
$-3.6M
Q2 25
$23.5M
$26.3M
Q1 25
$32.8M
$24.2M
Q4 24
$-70.4M
$64.1M
Q3 24
$33.4M
$-48.6M
Q2 24
$31.2M
$36.9M
Q1 24
$41.4M
$10.6M
Gross Margin
IOSP
IOSP
ZD
ZD
Q4 25
28.0%
85.9%
Q3 25
26.4%
85.4%
Q2 25
28.0%
86.1%
Q1 25
28.4%
85.6%
Q4 24
29.2%
87.1%
Q3 24
28.0%
85.5%
Q2 24
29.2%
84.4%
Q1 24
31.1%
85.4%
Operating Margin
IOSP
IOSP
ZD
ZD
Q4 25
10.3%
21.2%
Q3 25
1.3%
7.8%
Q2 25
7.8%
9.5%
Q1 25
9.6%
10.7%
Q4 24
8.8%
19.0%
Q3 24
10.3%
-8.3%
Q2 24
9.4%
8.9%
Q1 24
10.1%
11.4%
Net Margin
IOSP
IOSP
ZD
ZD
Q4 25
10.4%
0.1%
Q3 25
2.9%
-1.0%
Q2 25
5.3%
7.5%
Q1 25
7.4%
7.4%
Q4 24
-15.1%
15.5%
Q3 24
7.5%
-13.7%
Q2 24
7.2%
11.5%
Q1 24
8.3%
3.4%
EPS (diluted)
IOSP
IOSP
ZD
ZD
Q4 25
$1.90
$0.06
Q3 25
$0.52
$-0.09
Q2 25
$0.94
$0.62
Q1 25
$1.31
$0.56
Q4 24
$-2.80
$1.53
Q3 24
$1.33
$-1.11
Q2 24
$1.24
$0.77
Q1 24
$1.65
$0.23

Balance Sheet & Financial Strength

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

Metric
IOSP
IOSP
ZD
ZD
Cash + ST InvestmentsLiquidity on hand
$292.5M
$607.0M
Total DebtLower is stronger
$866.5M
Stockholders' EquityBook value
$1.3B
$1.8B
Total Assets
$1.8B
$3.7B
Debt / EquityLower = less leverage
0.49×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
IOSP
IOSP
ZD
ZD
Q4 25
$292.5M
$607.0M
Q3 25
$270.8M
$503.4M
Q2 25
$266.6M
$457.3M
Q1 25
$299.8M
$431.0M
Q4 24
$289.2M
$505.9M
Q3 24
$303.8M
$386.1M
Q2 24
$240.2M
$687.2M
Q1 24
$270.1M
$751.2M
Total Debt
IOSP
IOSP
ZD
ZD
Q4 25
$866.5M
Q3 25
Q2 25
Q1 25
Q4 24
$864.3M
Q3 24
Q2 24
Q1 24
Stockholders' Equity
IOSP
IOSP
ZD
ZD
Q4 25
$1.3B
$1.8B
Q3 25
$1.3B
$1.8B
Q2 25
$1.3B
$1.8B
Q1 25
$1.3B
$1.8B
Q4 24
$1.2B
$1.8B
Q3 24
$1.2B
$1.8B
Q2 24
$1.2B
$1.9B
Q1 24
$1.2B
$1.9B
Total Assets
IOSP
IOSP
ZD
ZD
Q4 25
$1.8B
$3.7B
Q3 25
$1.8B
$3.5B
Q2 25
$1.8B
$3.5B
Q1 25
$1.8B
$3.5B
Q4 24
$1.7B
$3.7B
Q3 24
$1.8B
$3.4B
Q2 24
$1.7B
$3.7B
Q1 24
$1.7B
$3.7B
Debt / Equity
IOSP
IOSP
ZD
ZD
Q4 25
0.49×
Q3 25
Q2 25
Q1 25
Q4 24
0.48×
Q3 24
Q2 24
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
ZD
ZD
Operating Cash FlowLast quarter
$61.4M
$191.1M
Free Cash FlowOCF − Capex
$46.8M
$157.8M
FCF MarginFCF / Revenue
10.3%
38.8%
Capex IntensityCapex / Revenue
3.2%
8.2%
Cash ConversionOCF / Net Profit
1.30×
516.44×
TTM Free Cash FlowTrailing 4 quarters
$88.0M
$287.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
IOSP
IOSP
ZD
ZD
Q4 25
$61.4M
$191.1M
Q3 25
$39.3M
$138.3M
Q2 25
$9.3M
$57.1M
Q1 25
$28.3M
$20.6M
Q4 24
$25.7M
$158.2M
Q3 24
$73.5M
$106.0M
Q2 24
$4.7M
$50.6M
Q1 24
$80.6M
$75.6M
Free Cash Flow
IOSP
IOSP
ZD
ZD
Q4 25
$46.8M
$157.8M
Q3 25
$25.0M
$108.2M
Q2 25
$-3.7M
$26.9M
Q1 25
$19.9M
$-5.0M
Q4 24
$13.6M
$131.1M
Q3 24
$65.8M
$80.1M
Q2 24
$-6.2M
$25.1M
Q1 24
$69.9M
$47.4M
FCF Margin
IOSP
IOSP
ZD
ZD
Q4 25
10.3%
38.8%
Q3 25
5.7%
29.7%
Q2 25
-0.8%
7.6%
Q1 25
4.5%
-1.5%
Q4 24
2.9%
31.8%
Q3 24
14.8%
22.7%
Q2 24
-1.4%
7.8%
Q1 24
14.0%
15.1%
Capex Intensity
IOSP
IOSP
ZD
ZD
Q4 25
3.2%
8.2%
Q3 25
3.2%
8.3%
Q2 25
3.0%
8.6%
Q1 25
1.9%
7.8%
Q4 24
2.6%
6.6%
Q3 24
1.7%
7.3%
Q2 24
2.5%
8.0%
Q1 24
2.1%
8.9%
Cash Conversion
IOSP
IOSP
ZD
ZD
Q4 25
1.30×
516.44×
Q3 25
3.05×
Q2 25
0.40×
2.17×
Q1 25
0.86×
0.85×
Q4 24
2.47×
Q3 24
2.20×
Q2 24
0.15×
1.37×
Q1 24
1.95×
7.11×

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%

ZD
ZD

Health And Wellness$114.8M28%
Technology And Shopping$108.9M27%
Cybersecurity And Martech Segment$70.9M17%
Connectivity$60.3M15%
Gaming And Entertainment$51.7M13%
Subscription And Licensing$2.9M1%

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