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Side-by-side financial comparison of Quanterix Corp (QTRX) and SOUTHERN FIRST BANCSHARES INC (SFST). Click either name above to swap in a different company.

Quanterix Corp is the larger business by last-quarter revenue ($43.9M vs $31.8M, roughly 1.4× SOUTHERN FIRST BANCSHARES INC). On growth, SOUTHERN FIRST BANCSHARES INC posted the faster year-over-year revenue change (26.1% vs 24.7%). SOUTHERN FIRST BANCSHARES INC produced more free cash flow last quarter ($29.9M vs $-16.5M). Over the past eight quarters, SOUTHERN FIRST BANCSHARES INC's revenue compounded faster (22.2% CAGR vs 16.9%).

Quanterix Corp is a life sciences firm that develops, manufactures, and commercializes ultra-sensitive single-molecule detection diagnostic platforms, reagents, and testing services. Its solutions empower biological research, drug development, and clinical diagnostics across oncology, neurodegenerative disorders, infectious diseases, and other therapeutic areas, serving research institutions, biopharmaceutical companies, and clinical laboratories globally.

First Community Bankshares, Inc. is a $2.43 billion bank holding company and the parent company of First Community Bank of Bluefield, Virginia, in the United States. As of 2012 First Community Bank had 45 locations in Virginia, West Virginia, and North Carolina, and two locations operating as Peoples Community Bank in Tennessee. As of April 21, 2023, First Community had $3.6 billion in assets.

QTRX vs SFST — Head-to-Head

Bigger by revenue
QTRX
QTRX
1.4× larger
QTRX
$43.9M
$31.8M
SFST
Growing faster (revenue YoY)
SFST
SFST
+1.4% gap
SFST
26.1%
24.7%
QTRX
More free cash flow
SFST
SFST
$46.4M more FCF
SFST
$29.9M
$-16.5M
QTRX
Faster 2-yr revenue CAGR
SFST
SFST
Annualised
SFST
22.2%
16.9%
QTRX

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
QTRX
QTRX
SFST
SFST
Revenue
$43.9M
$31.8M
Net Profit
$-23.1M
Gross Margin
45.7%
Operating Margin
-56.4%
40.1%
Net Margin
-52.7%
Revenue YoY
24.7%
26.1%
Net Profit YoY
-98.8%
EPS (diluted)
$-0.48
$1.19

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
QTRX
QTRX
SFST
SFST
Q4 25
$43.9M
$31.8M
Q3 25
$40.2M
$31.1M
Q2 25
$24.5M
$28.6M
Q1 25
$30.3M
$26.5M
Q4 24
$35.2M
$25.2M
Q3 24
$35.8M
$23.8M
Q2 24
$34.4M
$23.1M
Q1 24
$32.1M
$21.3M
Net Profit
QTRX
QTRX
SFST
SFST
Q4 25
$-23.1M
Q3 25
$-33.5M
$8.7M
Q2 25
$-30.0M
$6.6M
Q1 25
$-20.5M
$5.3M
Q4 24
$-11.6M
Q3 24
$-8.4M
$4.4M
Q2 24
$-7.4M
$3.0M
Q1 24
$-11.2M
$2.5M
Gross Margin
QTRX
QTRX
SFST
SFST
Q4 25
45.7%
Q3 25
42.8%
Q2 25
46.2%
Q1 25
54.1%
Q4 24
63.0%
Q3 24
56.3%
Q2 24
64.7%
Q1 24
57.8%
Operating Margin
QTRX
QTRX
SFST
SFST
Q4 25
-56.4%
40.1%
Q3 25
-92.8%
36.4%
Q2 25
-151.6%
30.0%
Q1 25
-86.9%
26.1%
Q4 24
-42.0%
27.3%
Q3 24
-32.8%
24.1%
Q2 24
-31.8%
17.0%
Q1 24
-47.3%
15.9%
Net Margin
QTRX
QTRX
SFST
SFST
Q4 25
-52.7%
Q3 25
-83.3%
27.8%
Q2 25
-122.6%
23.0%
Q1 25
-67.6%
19.9%
Q4 24
-33.1%
Q3 24
-23.3%
18.4%
Q2 24
-21.5%
13.0%
Q1 24
-34.8%
11.8%
EPS (diluted)
QTRX
QTRX
SFST
SFST
Q4 25
$-0.48
$1.19
Q3 25
$-0.73
$1.07
Q2 25
$-0.77
$0.81
Q1 25
$-0.53
$0.65
Q4 24
$-0.30
$0.69
Q3 24
$-0.22
$0.54
Q2 24
$-0.19
$0.37
Q1 24
$-0.29
$0.31

Balance Sheet & Financial Strength

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

Metric
QTRX
QTRX
SFST
SFST
Cash + ST InvestmentsLiquidity on hand
$29.8M
Total DebtLower is stronger
Stockholders' EquityBook value
$295.7M
$368.7M
Total Assets
$418.8M
$4.4B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
QTRX
QTRX
SFST
SFST
Q4 25
$29.8M
Q3 25
$38.3M
Q2 25
$132.9M
Q1 25
$76.5M
Q4 24
$56.7M
Q3 24
$29.3M
Q2 24
$47.0M
Q1 24
$45.3M
Stockholders' Equity
QTRX
QTRX
SFST
SFST
Q4 25
$295.7M
$368.7M
Q3 25
$314.5M
$356.3M
Q2 25
$292.5M
$345.5M
Q1 25
$316.4M
$337.6M
Q4 24
$330.0M
$330.4M
Q3 24
$338.9M
$326.5M
Q2 24
$340.8M
$318.7M
Q1 24
$343.4M
$315.3M
Total Assets
QTRX
QTRX
SFST
SFST
Q4 25
$418.8M
$4.4B
Q3 25
$444.1M
$4.4B
Q2 25
$375.6M
$4.3B
Q1 25
$396.5M
$4.3B
Q4 24
$406.5M
$4.1B
Q3 24
$411.0M
$4.2B
Q2 24
$415.9M
$4.1B
Q1 24
$414.2M
$4.1B

Cash Flow & Capital Efficiency

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

Metric
QTRX
QTRX
SFST
SFST
Operating Cash FlowLast quarter
$-16.4M
$30.5M
Free Cash FlowOCF − Capex
$-16.5M
$29.9M
FCF MarginFCF / Revenue
-37.7%
93.8%
Capex IntensityCapex / Revenue
0.2%
1.8%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-80.0M
$62.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
QTRX
QTRX
SFST
SFST
Q4 25
$-16.4M
$30.5M
Q3 25
$-41.2M
$14.5M
Q2 25
$-5.7M
$10.5M
Q1 25
$-13.9M
$7.6M
Q4 24
$-4.3M
$25.6M
Q3 24
$-5.7M
$26.3M
Q2 24
$-5.0M
$4.0M
Q1 24
$-20.2M
$-2.9M
Free Cash Flow
QTRX
QTRX
SFST
SFST
Q4 25
$-16.5M
$29.9M
Q3 25
$-41.9M
$14.4M
Q2 25
$-6.4M
$10.4M
Q1 25
$-15.1M
$7.4M
Q4 24
$-4.7M
$24.8M
Q3 24
$-6.6M
$26.1M
Q2 24
$-6.5M
$3.9M
Q1 24
$-20.7M
$-3.2M
FCF Margin
QTRX
QTRX
SFST
SFST
Q4 25
-37.7%
93.8%
Q3 25
-104.2%
46.3%
Q2 25
-26.3%
36.3%
Q1 25
-49.9%
28.1%
Q4 24
-13.4%
98.2%
Q3 24
-18.4%
110.0%
Q2 24
-19.1%
16.8%
Q1 24
-64.5%
-15.0%
Capex Intensity
QTRX
QTRX
SFST
SFST
Q4 25
0.2%
1.8%
Q3 25
1.7%
0.3%
Q2 25
3.2%
0.3%
Q1 25
4.1%
0.5%
Q4 24
1.2%
3.1%
Q3 24
2.4%
0.8%
Q2 24
4.7%
0.4%
Q1 24
1.6%
1.3%
Cash Conversion
QTRX
QTRX
SFST
SFST
Q4 25
Q3 25
1.67×
Q2 25
1.59×
Q1 25
1.44×
Q4 24
Q3 24
6.01×
Q2 24
1.32×
Q1 24
-1.16×

Financial Flow Comparison

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

Revenue Breakdown by Segment

QTRX
QTRX

Products$29.2M67%
Consumable And Other Products$12.7M29%
Service Type Warranties$1.7M4%

SFST
SFST

Segment breakdown not available.

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