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

INNOSPEC INC. is the larger business by last-quarter revenue ($453.2M vs $425.8M, roughly 1.1× UDR, Inc.). UDR, Inc. runs the higher net margin — 44.6% vs 6.8%, a 37.8% gap on every dollar of revenue. On growth, INNOSPEC INC. posted the faster year-over-year revenue change (2.8% vs 0.9%). Over the past eight quarters, INNOSPEC INC.'s revenue compounded faster (2.1% CAGR vs 1.3%).

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.

UDR, Inc. is a leading U.S.-headquartered real estate investment trust specializing in owning, operating, and redeveloping high-quality multifamily residential apartment communities. It operates across major U.S. metropolitan markets, catering to a diverse tenant base including young professionals, families, and middle-to-high income households.

IOSP vs UDR — Head-to-Head

Bigger by revenue
IOSP
IOSP
1.1× larger
IOSP
$453.2M
$425.8M
UDR
Growing faster (revenue YoY)
IOSP
IOSP
+1.9% gap
IOSP
2.8%
0.9%
UDR
Higher net margin
UDR
UDR
37.8% more per $
UDR
44.6%
6.8%
IOSP
Faster 2-yr revenue CAGR
IOSP
IOSP
Annualised
IOSP
2.1%
1.3%
UDR

Income Statement — Q1 FY2026 vs Q1 FY2026

Metric
IOSP
IOSP
UDR
UDR
Revenue
$453.2M
$425.8M
Net Profit
$30.8M
$189.8M
Gross Margin
27.3%
Operating Margin
8.1%
54.0%
Net Margin
6.8%
44.6%
Revenue YoY
2.8%
0.9%
Net Profit YoY
-8.3%
147.2%
EPS (diluted)
$1.22
$0.63

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
UDR
UDR
Q1 26
$453.2M
$425.8M
Q4 25
$455.6M
$433.1M
Q3 25
$441.9M
$431.9M
Q2 25
$439.7M
$425.4M
Q1 25
$440.8M
$421.9M
Q4 24
$466.8M
$422.7M
Q3 24
$443.4M
$420.2M
Q2 24
$435.0M
$415.3M
Net Profit
IOSP
IOSP
UDR
UDR
Q1 26
$30.8M
$189.8M
Q4 25
$47.4M
$222.9M
Q3 25
$12.9M
$40.4M
Q2 25
$23.5M
$37.7M
Q1 25
$32.8M
$76.7M
Q4 24
$-70.4M
$-5.0M
Q3 24
$33.4M
$22.6M
Q2 24
$31.2M
$28.9M
Gross Margin
IOSP
IOSP
UDR
UDR
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
UDR
UDR
Q1 26
8.1%
54.0%
Q4 25
10.3%
64.1%
Q3 25
1.3%
17.7%
Q2 25
7.8%
18.2%
Q1 25
9.6%
29.0%
Q4 24
8.8%
15.7%
Q3 24
10.3%
16.6%
Q2 24
9.4%
16.5%
Net Margin
IOSP
IOSP
UDR
UDR
Q1 26
6.8%
44.6%
Q4 25
10.4%
51.5%
Q3 25
2.9%
9.4%
Q2 25
5.3%
8.9%
Q1 25
7.4%
18.2%
Q4 24
-15.1%
-220.5%
Q3 24
7.5%
5.4%
Q2 24
7.2%
7.0%
EPS (diluted)
IOSP
IOSP
UDR
UDR
Q1 26
$1.22
$0.63
Q4 25
$1.90
$0.67
Q3 25
$0.52
$0.12
Q2 25
$0.94
$0.11
Q1 25
$1.31
$0.23
Q4 24
$-2.80
$-0.01
Q3 24
$1.33
$0.06
Q2 24
$1.24
$0.08

Balance Sheet & Financial Strength

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

Metric
IOSP
IOSP
UDR
UDR
Cash + ST InvestmentsLiquidity on hand
$289.1M
$1.3M
Total DebtLower is stronger
Stockholders' EquityBook value
$1.4B
$3.3B
Total Assets
$1.8B
$10.3B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
IOSP
IOSP
UDR
UDR
Q1 26
$289.1M
$1.3M
Q4 25
$292.5M
$1.2M
Q3 25
$270.8M
$1.2M
Q2 25
$266.6M
$1.5M
Q1 25
$299.8M
$1.3M
Q4 24
$289.2M
$1.3M
Q3 24
$303.8M
$2.3M
Q2 24
$240.2M
$2.8M
Total Debt
IOSP
IOSP
UDR
UDR
Q1 26
Q4 25
$5.8B
Q3 25
$5.8B
Q2 25
$5.8B
Q1 25
$5.8B
Q4 24
$5.8B
Q3 24
$5.9B
Q2 24
$5.8B
Stockholders' Equity
IOSP
IOSP
UDR
UDR
Q1 26
$1.4B
$3.3B
Q4 25
$1.3B
$3.3B
Q3 25
$1.3B
$3.3B
Q2 25
$1.3B
$3.3B
Q1 25
$1.3B
$3.3B
Q4 24
$1.2B
$3.4B
Q3 24
$1.2B
$3.5B
Q2 24
$1.2B
$3.7B
Total Assets
IOSP
IOSP
UDR
UDR
Q1 26
$1.8B
$10.3B
Q4 25
$1.8B
$10.6B
Q3 25
$1.8B
$10.6B
Q2 25
$1.8B
$10.6B
Q1 25
$1.8B
$10.7B
Q4 24
$1.7B
$10.9B
Q3 24
$1.8B
$11.1B
Q2 24
$1.7B
$11.1B
Debt / Equity
IOSP
IOSP
UDR
UDR
Q1 26
Q4 25
1.77×
Q3 25
1.78×
Q2 25
1.74×
Q1 25
1.74×
Q4 24
1.69×
Q3 24
1.67×
Q2 24
1.55×

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
UDR
UDR
Operating Cash FlowLast quarter
$17.6M
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
2.0%
4.9%
Cash ConversionOCF / Net Profit
0.57×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
IOSP
IOSP
UDR
UDR
Q1 26
$17.6M
Q4 25
$61.4M
$902.9M
Q3 25
$39.3M
$234.9M
Q2 25
$9.3M
$250.3M
Q1 25
$28.3M
$156.2M
Q4 24
$25.7M
$876.8M
Q3 24
$73.5M
$230.3M
Q2 24
$4.7M
$238.5M
Free Cash Flow
IOSP
IOSP
UDR
UDR
Q1 26
Q4 25
$46.8M
$650.0M
Q3 25
$25.0M
$164.6M
Q2 25
$-3.7M
$190.1M
Q1 25
$19.9M
$103.2M
Q4 24
$13.6M
$627.0M
Q3 24
$65.8M
$161.3M
Q2 24
$-6.2M
$171.1M
FCF Margin
IOSP
IOSP
UDR
UDR
Q1 26
Q4 25
10.3%
150.1%
Q3 25
5.7%
38.1%
Q2 25
-0.8%
44.7%
Q1 25
4.5%
24.5%
Q4 24
2.9%
148.3%
Q3 24
14.8%
38.4%
Q2 24
-1.4%
41.2%
Capex Intensity
IOSP
IOSP
UDR
UDR
Q1 26
2.0%
4.9%
Q4 25
3.2%
58.4%
Q3 25
3.2%
16.3%
Q2 25
3.0%
14.2%
Q1 25
1.9%
12.6%
Q4 24
2.6%
59.1%
Q3 24
1.7%
16.4%
Q2 24
2.5%
16.2%
Cash Conversion
IOSP
IOSP
UDR
UDR
Q1 26
0.57×
Q4 25
1.30×
4.05×
Q3 25
3.05×
5.81×
Q2 25
0.40×
6.64×
Q1 25
0.86×
2.04×
Q4 24
Q3 24
2.20×
10.19×
Q2 24
0.15×
8.26×

Financial Flow Comparison

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

Revenue Breakdown by Segment

IOSP
IOSP

Segment breakdown not available.

UDR
UDR

Rental income$423.3M99%
Joint venture management and other fees$2.5M1%

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