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Side-by-side financial comparison of Cytek Biosciences, Inc. (CTKB) 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 $62.1M, roughly 1.4× Cytek Biosciences, Inc.). UNITED STATES LIME & MINERALS INC runs the higher net margin — 34.7% vs -70.9%, a 105.7% gap on every dollar of revenue. On growth, UNITED STATES LIME & MINERALS INC posted the faster year-over-year revenue change (9.8% vs 8.1%). UNITED STATES LIME & MINERALS INC produced more free cash flow last quarter ($25.7M vs $-1.8M). Over the past eight quarters, Cytek Biosciences, Inc.'s revenue compounded faster (17.7% CAGR vs 10.8%).

Cytek Biosciences, Inc. develops, manufactures and sells high-performance flow cytometry systems, associated reagents and analysis software. Its solutions serve life science research, clinical diagnostics and biopharmaceutical sectors, with a global customer base across North America, Europe and the Asia-Pacific region.

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.

CTKB vs USLM — Head-to-Head

Bigger by revenue
USLM
USLM
1.4× larger
USLM
$87.9M
$62.1M
CTKB
Growing faster (revenue YoY)
USLM
USLM
+1.7% gap
USLM
9.8%
8.1%
CTKB
Higher net margin
USLM
USLM
105.7% more per $
USLM
34.7%
-70.9%
CTKB
More free cash flow
USLM
USLM
$27.4M more FCF
USLM
$25.7M
$-1.8M
CTKB
Faster 2-yr revenue CAGR
CTKB
CTKB
Annualised
CTKB
17.7%
10.8%
USLM

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
CTKB
CTKB
USLM
USLM
Revenue
$62.1M
$87.9M
Net Profit
$-44.1M
$30.5M
Gross Margin
52.9%
48.0%
Operating Margin
-9.0%
41.0%
Net Margin
-70.9%
34.7%
Revenue YoY
8.1%
9.8%
Net Profit YoY
-557.1%
13.2%
EPS (diluted)
$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
CTKB
CTKB
USLM
USLM
Q4 25
$62.1M
$87.9M
Q3 25
$52.3M
$102.0M
Q2 25
$45.6M
$91.5M
Q1 25
$41.5M
$91.3M
Q4 24
$57.5M
$80.1M
Q3 24
$51.5M
$89.4M
Q2 24
$46.6M
$76.5M
Q1 24
$44.9M
$71.7M
Net Profit
CTKB
CTKB
USLM
USLM
Q4 25
$-44.1M
$30.5M
Q3 25
$-5.5M
$38.8M
Q2 25
$-5.6M
$30.8M
Q1 25
$-11.4M
$34.1M
Q4 24
$9.6M
$27.0M
Q3 24
$941.0K
$33.4M
Q2 24
$-10.4M
$26.1M
Q1 24
$-6.2M
$22.4M
Gross Margin
CTKB
CTKB
USLM
USLM
Q4 25
52.9%
48.0%
Q3 25
52.7%
51.2%
Q2 25
52.3%
45.8%
Q1 25
48.6%
50.6%
Q4 24
58.5%
44.3%
Q3 24
56.3%
48.2%
Q2 24
54.6%
45.5%
Q1 24
51.3%
42.7%
Operating Margin
CTKB
CTKB
USLM
USLM
Q4 25
-9.0%
41.0%
Q3 25
-17.6%
45.3%
Q2 25
-23.3%
39.0%
Q1 25
-36.1%
43.7%
Q4 24
5.2%
38.8%
Q3 24
-8.2%
42.6%
Q2 24
-18.3%
39.1%
Q1 24
-23.9%
35.9%
Net Margin
CTKB
CTKB
USLM
USLM
Q4 25
-70.9%
34.7%
Q3 25
-10.5%
38.0%
Q2 25
-12.2%
33.7%
Q1 25
-27.5%
37.4%
Q4 24
16.8%
33.7%
Q3 24
1.8%
37.3%
Q2 24
-22.4%
34.0%
Q1 24
-13.8%
31.3%
EPS (diluted)
CTKB
CTKB
USLM
USLM
Q4 25
$1.06
Q3 25
$1.35
Q2 25
$1.07
Q1 25
$1.19
Q4 24
$-2.20
Q3 24
$1.16
Q2 24
$0.91
Q1 24
$3.92

Balance Sheet & Financial Strength

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

Metric
CTKB
CTKB
USLM
USLM
Cash + ST InvestmentsLiquidity on hand
$90.9M
$371.1M
Total DebtLower is stronger
$0
Stockholders' EquityBook value
$341.7M
$630.8M
Total Assets
$461.5M
$681.0M
Debt / EquityLower = less leverage
0.00×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CTKB
CTKB
USLM
USLM
Q4 25
$90.9M
$371.1M
Q3 25
$93.3M
$349.5M
Q2 25
$75.5M
$319.9M
Q1 25
$95.3M
$300.6M
Q4 24
$98.7M
$278.0M
Q3 24
$162.3M
$255.0M
Q2 24
$177.9M
$222.5M
Q1 24
$168.8M
$207.0M
Total Debt
CTKB
CTKB
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
CTKB
CTKB
USLM
USLM
Q4 25
$341.7M
$630.8M
Q3 25
$378.6M
$602.3M
Q2 25
$377.6M
$563.3M
Q1 25
$379.6M
$532.2M
Q4 24
$395.7M
$497.7M
Q3 24
$385.5M
$474.2M
Q2 24
$389.1M
$441.1M
Q1 24
$392.6M
$415.3M
Total Assets
CTKB
CTKB
USLM
USLM
Q4 25
$461.5M
$681.0M
Q3 25
$494.9M
$652.8M
Q2 25
$493.3M
$607.4M
Q1 25
$482.6M
$585.3M
Q4 24
$499.5M
$543.2M
Q3 24
$491.2M
$521.8M
Q2 24
$483.7M
$484.2M
Q1 24
$492.1M
$464.0M
Debt / Equity
CTKB
CTKB
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
CTKB
CTKB
USLM
USLM
Operating Cash FlowLast quarter
$-771.0K
$45.6M
Free Cash FlowOCF − Capex
$-1.8M
$25.7M
FCF MarginFCF / Revenue
-2.9%
29.2%
Capex IntensityCapex / Revenue
1.6%
22.6%
Cash ConversionOCF / Net Profit
1.49×
TTM Free Cash FlowTrailing 4 quarters
$-8.8M
$102.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CTKB
CTKB
USLM
USLM
Q4 25
$-771.0K
$45.6M
Q3 25
$-3.9M
$45.9M
Q2 25
$108.0K
$34.0M
Q1 25
$-125.0K
$39.4M
Q4 24
$2.0M
$38.6M
Q3 24
$13.2M
$39.0M
Q2 24
$6.2M
$21.2M
Q1 24
$4.0M
$27.2M
Free Cash Flow
CTKB
CTKB
USLM
USLM
Q4 25
$-1.8M
$25.7M
Q3 25
$-4.6M
$31.3M
Q2 25
$-1.5M
$20.8M
Q1 25
$-974.0K
$24.6M
Q4 24
$1.1M
$27.6M
Q3 24
$12.2M
$33.9M
Q2 24
$5.2M
$16.8M
Q1 24
$3.4M
$20.3M
FCF Margin
CTKB
CTKB
USLM
USLM
Q4 25
-2.9%
29.2%
Q3 25
-8.7%
30.7%
Q2 25
-3.2%
22.7%
Q1 25
-2.3%
26.9%
Q4 24
1.9%
34.4%
Q3 24
23.7%
37.9%
Q2 24
11.0%
21.9%
Q1 24
7.6%
28.4%
Capex Intensity
CTKB
CTKB
USLM
USLM
Q4 25
1.6%
22.6%
Q3 25
1.3%
14.4%
Q2 25
3.5%
14.5%
Q1 25
2.0%
16.3%
Q4 24
1.6%
13.8%
Q3 24
2.0%
5.8%
Q2 24
2.3%
5.7%
Q1 24
1.3%
9.5%
Cash Conversion
CTKB
CTKB
USLM
USLM
Q4 25
1.49×
Q3 25
1.18×
Q2 25
1.10×
Q1 25
1.16×
Q4 24
0.21×
1.43×
Q3 24
14.05×
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

CTKB
CTKB

Products$46.6M75%
Services$15.5M25%

USLM
USLM

Segment breakdown not available.

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