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Side-by-side financial comparison of Inogen Inc (INGN) and UNITED STATES LIME & MINERALS INC (USLM). Click either name above to swap in a different company.

UNITED STATES LIME & MINERALS INC is the larger business by last-quarter revenue ($87.9M vs $68.6M, roughly 1.3× Inogen Inc). On growth, UNITED STATES LIME & MINERALS INC posted the faster year-over-year revenue change (9.8% vs 3.4%). UNITED STATES LIME & MINERALS INC produced more free cash flow last quarter ($25.7M vs $-1.9M). Over the past eight quarters, UNITED STATES LIME & MINERALS INC's revenue compounded faster (10.8% CAGR vs 4.2%).

Inogen Inc is a medical technology firm specializing in the development, production and distribution of portable oxygen concentrators and associated respiratory care products. It caters primarily to patients with chronic respiratory conditions needing long-term oxygen therapy across North America, Europe and other global markets, focusing on home care and ambulatory patient segments to enhance users' quality of life.

United States Lime & Minerals Inc is a leading US-based natural resources enterprise that produces high-calcium lime, dolomitic lime, limestone and related mineral products. Its core client segments cover infrastructure construction, steel manufacturing, agricultural soil amendment, environmental emission control and industrial processing, serving customers across North America.

INGN vs USLM — Head-to-Head

Bigger by revenue
USLM
USLM
1.3× larger
USLM
$87.9M
$68.6M
INGN
Growing faster (revenue YoY)
USLM
USLM
+6.4% gap
USLM
9.8%
3.4%
INGN
More free cash flow
USLM
USLM
$27.6M more FCF
USLM
$25.7M
$-1.9M
INGN
Faster 2-yr revenue CAGR
USLM
USLM
Annualised
USLM
10.8%
4.2%
INGN

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
INGN
INGN
USLM
USLM
Revenue
$68.6M
$87.9M
Net Profit
$30.5M
Gross Margin
51.4%
48.0%
Operating Margin
-13.6%
41.0%
Net Margin
34.7%
Revenue YoY
3.4%
9.8%
Net Profit YoY
13.2%
EPS (diluted)
$-0.26
$1.06

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
INGN
INGN
USLM
USLM
Q4 25
$68.6M
$87.9M
Q3 25
$79.1M
$102.0M
Q2 25
$79.2M
$91.5M
Q1 25
$68.5M
$91.3M
Q4 24
$66.3M
$80.1M
Q3 24
$74.9M
$89.4M
Q2 24
$74.4M
$76.5M
Q1 24
$63.1M
$71.7M
Net Profit
INGN
INGN
USLM
USLM
Q4 25
$30.5M
Q3 25
$-5.3M
$38.8M
Q2 25
$-4.2M
$30.8M
Q1 25
$-6.2M
$34.1M
Q4 24
$27.0M
Q3 24
$-6.0M
$33.4M
Q2 24
$-5.6M
$26.1M
Q1 24
$-14.6M
$22.4M
Gross Margin
INGN
INGN
USLM
USLM
Q4 25
51.4%
48.0%
Q3 25
52.2%
51.2%
Q2 25
52.2%
45.8%
Q1 25
53.1%
50.6%
Q4 24
54.7%
44.3%
Q3 24
55.2%
48.2%
Q2 24
57.4%
45.5%
Q1 24
54.5%
42.7%
Operating Margin
INGN
INGN
USLM
USLM
Q4 25
-13.6%
41.0%
Q3 25
-9.0%
45.3%
Q2 25
-7.7%
39.0%
Q1 25
-11.2%
43.7%
Q4 24
-17.2%
38.8%
Q3 24
-10.4%
42.6%
Q2 24
-9.5%
39.1%
Q1 24
-25.8%
35.9%
Net Margin
INGN
INGN
USLM
USLM
Q4 25
34.7%
Q3 25
-6.7%
38.0%
Q2 25
-5.2%
33.7%
Q1 25
-9.0%
37.4%
Q4 24
33.7%
Q3 24
-8.0%
37.3%
Q2 24
-7.5%
34.0%
Q1 24
-23.1%
31.3%
EPS (diluted)
INGN
INGN
USLM
USLM
Q4 25
$-0.26
$1.06
Q3 25
$-0.20
$1.35
Q2 25
$-0.15
$1.07
Q1 25
$-0.25
$1.19
Q4 24
$-0.41
$-2.20
Q3 24
$-0.25
$1.16
Q2 24
$-0.24
$0.91
Q1 24
$-0.62
$3.92

Balance Sheet & Financial Strength

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

Metric
INGN
INGN
USLM
USLM
Cash + ST InvestmentsLiquidity on hand
$103.7M
$371.1M
Total DebtLower is stronger
$0
Stockholders' EquityBook value
$192.2M
$630.8M
Total Assets
$298.6M
$681.0M
Debt / EquityLower = less leverage
0.00×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
INGN
INGN
USLM
USLM
Q4 25
$103.7M
$371.1M
Q3 25
$106.5M
$349.5M
Q2 25
$103.7M
$319.9M
Q1 25
$118.9M
$300.6M
Q4 24
$113.8M
$278.0M
Q3 24
$105.7M
$255.0M
Q2 24
$97.9M
$222.5M
Q1 24
$107.4M
$207.0M
Total Debt
INGN
INGN
USLM
USLM
Q4 25
$0
Q3 25
$0
Q2 25
$0
Q1 25
$0
Q4 24
$0
Q3 24
$0
Q2 24
$0
Q1 24
$0
Stockholders' Equity
INGN
INGN
USLM
USLM
Q4 25
$192.2M
$630.8M
Q3 25
$197.2M
$602.3M
Q2 25
$199.5M
$563.3M
Q1 25
$198.0M
$532.2M
Q4 24
$173.9M
$497.7M
Q3 24
$185.4M
$474.2M
Q2 24
$187.6M
$441.1M
Q1 24
$191.9M
$415.3M
Total Assets
INGN
INGN
USLM
USLM
Q4 25
$298.6M
$681.0M
Q3 25
$307.0M
$652.8M
Q2 25
$312.0M
$607.4M
Q1 25
$308.4M
$585.3M
Q4 24
$296.2M
$543.2M
Q3 24
$306.2M
$521.8M
Q2 24
$308.9M
$484.2M
Q1 24
$315.6M
$464.0M
Debt / Equity
INGN
INGN
USLM
USLM
Q4 25
0.00×
Q3 25
0.00×
Q2 25
0.00×
Q1 25
0.00×
Q4 24
0.00×
Q3 24
0.00×
Q2 24
0.00×
Q1 24
0.00×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
INGN
INGN
USLM
USLM
Operating Cash FlowLast quarter
$-943.0K
$45.6M
Free Cash FlowOCF − Capex
$-1.9M
$25.7M
FCF MarginFCF / Revenue
-2.8%
29.2%
Capex IntensityCapex / Revenue
1.4%
22.6%
Cash ConversionOCF / Net Profit
1.49×
TTM Free Cash FlowTrailing 4 quarters
$-13.7M
$102.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
INGN
INGN
USLM
USLM
Q4 25
$-943.0K
$45.6M
Q3 25
$2.2M
$45.9M
Q2 25
$4.3M
$34.0M
Q1 25
$-16.8M
$39.4M
Q4 24
$-3.0M
$38.6M
Q3 24
$7.0M
$39.0M
Q2 24
$6.7M
$21.2M
Q1 24
$-4.7M
$27.2M
Free Cash Flow
INGN
INGN
USLM
USLM
Q4 25
$-1.9M
$25.7M
Q3 25
$1.6M
$31.3M
Q2 25
$3.7M
$20.8M
Q1 25
$-17.1M
$24.6M
Q4 24
$-3.3M
$27.6M
Q3 24
$5.3M
$33.9M
Q2 24
$6.6M
$16.8M
Q1 24
$-6.1M
$20.3M
FCF Margin
INGN
INGN
USLM
USLM
Q4 25
-2.8%
29.2%
Q3 25
2.0%
30.7%
Q2 25
4.6%
22.7%
Q1 25
-24.9%
26.9%
Q4 24
-5.0%
34.4%
Q3 24
7.1%
37.9%
Q2 24
8.9%
21.9%
Q1 24
-9.6%
28.4%
Capex Intensity
INGN
INGN
USLM
USLM
Q4 25
1.4%
22.6%
Q3 25
0.7%
14.4%
Q2 25
0.9%
14.5%
Q1 25
0.4%
16.3%
Q4 24
0.5%
13.8%
Q3 24
2.2%
5.8%
Q2 24
0.1%
5.7%
Q1 24
2.1%
9.5%
Cash Conversion
INGN
INGN
USLM
USLM
Q4 25
1.49×
Q3 25
1.18×
Q2 25
1.10×
Q1 25
1.16×
Q4 24
1.43×
Q3 24
1.17×
Q2 24
0.81×
Q1 24
1.21×

Financial Flow Comparison

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

Revenue Breakdown by Segment

INGN
INGN

Other$36.1M53%
Non Us$32.5M47%

USLM
USLM

Segment breakdown not available.

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