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Side-by-side financial comparison of ASPEN AEROGELS INC (ASPN) and KINGSWAY FINANCIAL SERVICES INC (KFS). Click either name above to swap in a different company.

ASPEN AEROGELS INC is the larger business by last-quarter revenue ($41.3M vs $38.6M, roughly 1.1× KINGSWAY FINANCIAL SERVICES INC). KINGSWAY FINANCIAL SERVICES INC runs the higher net margin — -4.1% vs -176.4%, a 172.3% gap on every dollar of revenue. On growth, KINGSWAY FINANCIAL SERVICES INC posted the faster year-over-year revenue change (30.1% vs -66.4%). Over the past eight quarters, KINGSWAY FINANCIAL SERVICES INC's revenue compounded faster (21.4% CAGR vs -33.9%).

Aspen Aerogels Inc is a leading manufacturer of high-performance aerogel-based insulation and thermal management materials. It serves core sectors including renewable energy, oil and gas infrastructure, aerospace, commercial construction and industrial manufacturing, with key markets across North America, Europe and Asia-Pacific. Its products are prized for superior thermal resistance, fire safety and lightweight performance for harsh operating conditions.

Kingsway Financial Services Inc. is a specialty financial holding firm that primarily offers property and casualty insurance products, including personal auto, commercial liability and property coverage. It operates mainly across North American markets, catering to individual consumers, small business owners and niche commercial client segments.

ASPN vs KFS — Head-to-Head

Bigger by revenue
ASPN
ASPN
1.1× larger
ASPN
$41.3M
$38.6M
KFS
Growing faster (revenue YoY)
KFS
KFS
+96.5% gap
KFS
30.1%
-66.4%
ASPN
Higher net margin
KFS
KFS
172.3% more per $
KFS
-4.1%
-176.4%
ASPN
Faster 2-yr revenue CAGR
KFS
KFS
Annualised
KFS
21.4%
-33.9%
ASPN

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ASPN
ASPN
KFS
KFS
Revenue
$41.3M
$38.6M
Net Profit
$-72.9M
$-1.6M
Gross Margin
-55.5%
Operating Margin
-170.3%
0.8%
Net Margin
-176.4%
-4.1%
Revenue YoY
-66.4%
30.1%
Net Profit YoY
-741.7%
-7.8%
EPS (diluted)
$-0.87
$-0.07

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
ASPN
ASPN
KFS
KFS
Q4 25
$41.3M
$38.6M
Q3 25
$73.0M
$37.2M
Q2 25
$78.0M
$30.9M
Q1 25
$78.7M
$28.3M
Q4 24
$123.1M
$29.6M
Q3 24
$117.3M
$27.1M
Q2 24
$117.8M
$26.4M
Q1 24
$94.5M
$26.2M
Net Profit
ASPN
ASPN
KFS
KFS
Q4 25
$-72.9M
$-1.6M
Q3 25
$-6.3M
$-2.4M
Q2 25
$-9.1M
$-3.2M
Q1 25
$-301.2M
$-3.1M
Q4 24
$11.4M
$-1.5M
Q3 24
$-13.0M
$-2.3M
Q2 24
$16.8M
$-2.2M
Q1 24
$-1.8M
$-2.3M
Gross Margin
ASPN
ASPN
KFS
KFS
Q4 25
-55.5%
Q3 25
28.5%
Q2 25
32.4%
Q1 25
29.0%
Q4 24
38.3%
Q3 24
41.8%
Q2 24
43.8%
Q1 24
37.2%
Operating Margin
ASPN
ASPN
KFS
KFS
Q4 25
-170.3%
0.8%
Q3 25
-4.6%
-2.3%
Q2 25
-6.6%
-3.6%
Q1 25
-380.2%
-2.5%
Q4 24
12.0%
6.5%
Q3 24
14.8%
-2.5%
Q2 24
17.0%
0.5%
Q1 24
2.6%
2.9%
Net Margin
ASPN
ASPN
KFS
KFS
Q4 25
-176.4%
-4.1%
Q3 25
-8.7%
-6.5%
Q2 25
-11.6%
-10.2%
Q1 25
-382.7%
-10.9%
Q4 24
9.2%
-5.0%
Q3 24
-11.1%
-8.5%
Q2 24
14.3%
-8.3%
Q1 24
-1.9%
-8.9%
EPS (diluted)
ASPN
ASPN
KFS
KFS
Q4 25
$-0.87
$-0.07
Q3 25
$-0.08
$-0.10
Q2 25
$-0.11
$-0.13
Q1 25
$-3.67
$-0.13
Q4 24
$0.15
$-0.08
Q3 24
$-0.17
$-0.10
Q2 24
$0.21
$-0.08
Q1 24
$-0.02
$-0.09

Balance Sheet & Financial Strength

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

Metric
ASPN
ASPN
KFS
KFS
Cash + ST InvestmentsLiquidity on hand
$156.9M
$8.5M
Total DebtLower is stronger
$65.5M
$70.7M
Stockholders' EquityBook value
$235.5M
$15.2M
Total Assets
$406.7M
$231.5M
Debt / EquityLower = less leverage
0.28×
4.66×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ASPN
ASPN
KFS
KFS
Q4 25
$156.9M
$8.5M
Q3 25
$150.7M
$9.5M
Q2 25
$167.6M
$12.3M
Q1 25
$192.0M
$6.5M
Q4 24
$220.9M
$5.7M
Q3 24
$113.5M
$6.7M
Q2 24
$91.4M
$9.8M
Q1 24
$101.5M
$12.3M
Total Debt
ASPN
ASPN
KFS
KFS
Q4 25
$65.5M
$70.7M
Q3 25
$70.1M
$70.7M
Q2 25
$77.3M
$58.3M
Q1 25
$95.4M
$59.5M
Q4 24
$95.0M
$57.5M
Q3 24
$93.7M
$58.5M
Q2 24
$47.3M
Q1 24
$47.1M
Stockholders' Equity
ASPN
ASPN
KFS
KFS
Q4 25
$235.5M
$15.2M
Q3 25
$305.7M
$16.6M
Q2 25
$308.8M
$17.4M
Q1 25
$314.8M
$5.5M
Q4 24
$614.7M
$8.4M
Q3 24
$507.6M
$9.9M
Q2 24
$517.8M
$20.7M
Q1 24
$491.2M
$23.6M
Total Assets
ASPN
ASPN
KFS
KFS
Q4 25
$406.7M
$231.5M
Q3 25
$491.4M
$235.1M
Q2 25
$525.1M
$207.7M
Q1 25
$555.0M
$192.1M
Q4 24
$895.1M
$186.6M
Q3 24
$782.6M
$191.1M
Q2 24
$748.6M
$192.3M
Q1 24
$698.0M
$198.0M
Debt / Equity
ASPN
ASPN
KFS
KFS
Q4 25
0.28×
4.66×
Q3 25
0.23×
4.25×
Q2 25
0.25×
3.34×
Q1 25
0.30×
10.91×
Q4 24
0.15×
6.84×
Q3 24
0.18×
5.88×
Q2 24
2.29×
Q1 24
2.00×

Cash Flow & Capital Efficiency

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

Metric
ASPN
ASPN
KFS
KFS
Operating Cash FlowLast quarter
$16.1M
$-3.0K
Free Cash FlowOCF − Capex
$13.7M
FCF MarginFCF / Revenue
33.1%
Capex IntensityCapex / Revenue
6.0%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-4.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ASPN
ASPN
KFS
KFS
Q4 25
$16.1M
$-3.0K
Q3 25
$15.0M
$1.5M
Q2 25
$-3.9M
$337.0K
Q1 25
$5.6M
$-1.8M
Q4 24
$35.7M
$1.1M
Q3 24
$20.8M
$368.0K
Q2 24
$6.8M
$557.0K
Q1 24
$-17.7M
$249.0K
Free Cash Flow
ASPN
ASPN
KFS
KFS
Q4 25
$13.7M
Q3 25
$5.9M
$1.3M
Q2 25
$-16.8M
Q1 25
$-7.4M
Q4 24
$20.9M
Q3 24
$-50.0K
Q2 24
$-18.0M
Q1 24
$-43.6M
FCF Margin
ASPN
ASPN
KFS
KFS
Q4 25
33.1%
Q3 25
8.1%
3.4%
Q2 25
-21.6%
Q1 25
-9.4%
Q4 24
17.0%
Q3 24
-0.0%
Q2 24
-15.3%
Q1 24
-46.1%
Capex Intensity
ASPN
ASPN
KFS
KFS
Q4 25
6.0%
Q3 25
12.5%
0.5%
Q2 25
16.5%
Q1 25
16.5%
Q4 24
12.0%
Q3 24
17.7%
0.0%
Q2 24
21.1%
Q1 24
27.4%
Cash Conversion
ASPN
ASPN
KFS
KFS
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
3.14×
Q3 24
Q2 24
0.41×
Q1 24

Financial Flow Comparison

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

Revenue Breakdown by Segment

ASPN
ASPN

Energy Industrial$14.5M35%
Other$13.9M34%
Thermal Barrier$12.9M31%

KFS
KFS

Other$14.8M38%
Roundhouse Electric Equipment Co Inc$9.7M25%
MLC Plumbing LLC$5.7M15%
Systems Products International Incspi$3.8M10%
Advanced Plumbing And Drain$2.9M8%
Southside Plumbing$1.7M4%

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