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Side-by-side financial comparison of Clearfield, Inc. (CLFD) and SURF AIR MOBILITY INC. (SRFM). Click either name above to swap in a different company.

Clearfield, Inc. is the larger business by last-quarter revenue ($34.3M vs $26.4M, roughly 1.3× SURF AIR MOBILITY INC.). Clearfield, Inc. runs the higher net margin — -1.8% vs -139.4%, a 137.7% gap on every dollar of revenue. On growth, Clearfield, Inc. posted the faster year-over-year revenue change (-3.2% vs -5.7%). Clearfield, Inc. produced more free cash flow last quarter ($-2.4M vs $-20.1M). Over the past eight quarters, Clearfield, Inc.'s revenue compounded faster (-3.5% CAGR vs -7.1%).

Clearfield, Inc. is a company headquartered in Minneapolis, Minnesota. The company produces fiber optic products.

Surf Air Mobility Inc. is an American aviation company focused on regional flying. The company plans to develop electric and hybrid powertrains to upgrade existing aircraft. Surf Air Mobility is also developing AI-enabled SurfOS operating system for the regional air mobility industry. Surf Air Mobility is the parent company of Surf Air, Surf On Demand, and two airlines, Mokulele Airlines and Southern Airways Express.

CLFD vs SRFM — Head-to-Head

Bigger by revenue
CLFD
CLFD
1.3× larger
CLFD
$34.3M
$26.4M
SRFM
Growing faster (revenue YoY)
CLFD
CLFD
+2.5% gap
CLFD
-3.2%
-5.7%
SRFM
Higher net margin
CLFD
CLFD
137.7% more per $
CLFD
-1.8%
-139.4%
SRFM
More free cash flow
CLFD
CLFD
$17.7M more FCF
CLFD
$-2.4M
$-20.1M
SRFM
Faster 2-yr revenue CAGR
CLFD
CLFD
Annualised
CLFD
-3.5%
-7.1%
SRFM

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
CLFD
CLFD
SRFM
SRFM
Revenue
$34.3M
$26.4M
Net Profit
$-614.0K
$-36.9M
Gross Margin
33.2%
Operating Margin
-5.3%
-97.8%
Net Margin
-1.8%
-139.4%
Revenue YoY
-3.2%
-5.7%
Net Profit YoY
67.8%
-3015.3%
EPS (diluted)
$-0.04
$-0.08

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
CLFD
CLFD
SRFM
SRFM
Q4 25
$34.3M
$26.4M
Q3 25
$23.4M
$29.2M
Q2 25
$49.9M
$27.4M
Q1 25
$47.2M
$23.5M
Q4 24
$29.7M
$28.0M
Q3 24
$5.6M
$28.4M
Q2 24
$48.8M
$32.4M
Q1 24
$36.9M
$30.6M
Net Profit
CLFD
CLFD
SRFM
SRFM
Q4 25
$-614.0K
$-36.9M
Q3 25
$-9.1M
$-27.2M
Q2 25
$1.6M
$-28.0M
Q1 25
$1.3M
$-18.5M
Q4 24
$-1.9M
$1.3M
Q3 24
$-12.2M
Q2 24
$-447.0K
$-27.0M
Q1 24
$-5.9M
$-37.0M
Gross Margin
CLFD
CLFD
SRFM
SRFM
Q4 25
33.2%
Q3 25
53.2%
Q2 25
30.5%
Q1 25
30.1%
Q4 24
29.2%
Q3 24
Q2 24
21.9%
Q1 24
7.7%
Operating Margin
CLFD
CLFD
SRFM
SRFM
Q4 25
-5.3%
-97.8%
Q3 25
10.3%
-56.6%
Q2 25
3.0%
-58.1%
Q1 25
0.6%
-79.0%
Q4 24
-6.9%
28.9%
Q3 24
-30.4%
Q2 24
-4.7%
-78.0%
Q1 24
-26.4%
-112.6%
Net Margin
CLFD
CLFD
SRFM
SRFM
Q4 25
-1.8%
-139.4%
Q3 25
-38.8%
-93.3%
Q2 25
3.2%
-102.1%
Q1 25
2.8%
-78.6%
Q4 24
-6.4%
4.5%
Q3 24
-43.1%
Q2 24
-0.9%
-83.4%
Q1 24
-16.0%
-120.7%
EPS (diluted)
CLFD
CLFD
SRFM
SRFM
Q4 25
$-0.04
$-0.08
Q3 25
$-0.65
$-0.64
Q2 25
$0.11
$-1.34
Q1 25
$0.09
$-1.09
Q4 24
$-0.13
$0.80
Q3 24
$-0.94
Q2 24
$-0.04
$-2.31
Q1 24
$-0.40
$-3.35

Balance Sheet & Financial Strength

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

Metric
CLFD
CLFD
SRFM
SRFM
Cash + ST InvestmentsLiquidity on hand
$96.4M
$12.7M
Total DebtLower is stronger
$17.1M
Stockholders' EquityBook value
$249.7M
$-54.9M
Total Assets
$268.1M
$131.7M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CLFD
CLFD
SRFM
SRFM
Q4 25
$96.4M
$12.7M
Q3 25
$106.0M
$7.1M
Q2 25
$117.2M
$22.6M
Q1 25
$112.0M
$6.6M
Q4 24
$113.0M
$21.1M
Q3 24
$129.0M
$506.0K
Q2 24
$123.8M
$1.5M
Q1 24
$142.9M
$1.3M
Total Debt
CLFD
CLFD
SRFM
SRFM
Q4 25
$17.1M
Q3 25
$63.8M
Q2 25
$63.3M
Q1 25
$62.9M
Q4 24
$62.4M
Q3 24
$2.2M
$22.5M
Q2 24
$2.1M
$23.3M
Q1 24
$25.1M
Stockholders' Equity
CLFD
CLFD
SRFM
SRFM
Q4 25
$249.7M
$-54.9M
Q3 25
$256.2M
$-92.6M
Q2 25
$264.5M
$-115.5M
Q1 25
$265.9M
$-135.6M
Q4 24
$267.4M
$-120.0M
Q3 24
$275.8M
$-135.6M
Q2 24
$274.6M
$-128.1M
Q1 24
$279.2M
$-106.3M
Total Assets
CLFD
CLFD
SRFM
SRFM
Q4 25
$268.1M
$131.7M
Q3 25
$306.2M
$106.8M
Q2 25
$314.7M
$129.0M
Q1 25
$310.9M
$105.3M
Q4 24
$303.2M
$124.1M
Q3 24
$315.3M
$97.9M
Q2 24
$318.1M
$105.5M
Q1 24
$315.4M
$108.8M
Debt / Equity
CLFD
CLFD
SRFM
SRFM
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
0.01×
Q2 24
0.01×
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
CLFD
CLFD
SRFM
SRFM
Operating Cash FlowLast quarter
$-1.4M
$-18.4M
Free Cash FlowOCF − Capex
$-2.4M
$-20.1M
FCF MarginFCF / Revenue
-7.1%
-76.0%
Capex IntensityCapex / Revenue
2.9%
6.5%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-70.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CLFD
CLFD
SRFM
SRFM
Q4 25
$-1.4M
$-18.4M
Q3 25
$-19.3M
Q2 25
$7.9M
$-10.6M
Q1 25
$3.0M
$-15.8M
Q4 24
$7.2M
$-23.6M
Q3 24
$22.2M
$-12.3M
Q2 24
$4.0M
$-5.6M
Q1 24
$-5.7M
$-12.8M
Free Cash Flow
CLFD
CLFD
SRFM
SRFM
Q4 25
$-2.4M
$-20.1M
Q3 25
$-21.1M
Q2 25
$7.5M
$-11.9M
Q1 25
$654.0K
$-17.1M
Q4 24
$5.1M
$-32.7M
Q3 24
$18.2M
$-13.6M
Q2 24
$2.8M
$-6.3M
Q1 24
$-7.7M
$-13.5M
FCF Margin
CLFD
CLFD
SRFM
SRFM
Q4 25
-7.1%
-76.0%
Q3 25
-72.2%
Q2 25
15.1%
-43.2%
Q1 25
1.4%
-72.6%
Q4 24
17.1%
-116.5%
Q3 24
323.0%
-47.8%
Q2 24
5.8%
-19.5%
Q1 24
-20.8%
-44.2%
Capex Intensity
CLFD
CLFD
SRFM
SRFM
Q4 25
2.9%
6.5%
Q3 25
2.0%
5.9%
Q2 25
0.8%
4.4%
Q1 25
5.1%
5.4%
Q4 24
7.0%
32.4%
Q3 24
71.4%
4.4%
Q2 24
2.5%
2.2%
Q1 24
5.3%
2.3%
Cash Conversion
CLFD
CLFD
SRFM
SRFM
Q4 25
Q3 25
Q2 25
4.93×
Q1 25
2.30×
Q4 24
-18.64×
Q3 24
Q2 24
Q1 24

Financial Flow Comparison

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

Revenue Breakdown by Segment

CLFD
CLFD

Segment breakdown not available.

SRFM
SRFM

Scheduled$17.2M65%
On Demand$9.2M35%

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