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Side-by-side financial comparison of ASPEN AEROGELS INC (ASPN) and KINGSTONE COMPANIES, INC. (KINS). Click either name above to swap in a different company.

KINGSTONE COMPANIES, INC. is the larger business by last-quarter revenue ($56.4M vs $41.3M, roughly 1.4× ASPEN AEROGELS INC). KINGSTONE COMPANIES, INC. runs the higher net margin — 26.2% vs -176.4%, a 202.5% gap on every dollar of revenue. On growth, KINGSTONE COMPANIES, INC. posted the faster year-over-year revenue change (34.0% vs -66.4%). KINGSTONE COMPANIES, INC. produced more free cash flow last quarter ($73.1M vs $13.7M). Over the past eight quarters, KINGSTONE COMPANIES, INC.'s revenue compounded faster (25.6% 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.

Kingstone Companies, Inc., headquartered in Kingston, New York, provides property and casualty insurance products through its subsidiary, Kingstone Insurance Company. It places contracts with the third-party licensed premium finance company through its subsidiary Payments, Inc., a NYS licensed Insurance Premium Finance Company. Kingstone Insurance Company was ranked #1 of the 81 insurers rated by the Professional Insurance Agents Association in its 2010 Company Performance Survey. The company...

ASPN vs KINS — Head-to-Head

Bigger by revenue
KINS
KINS
1.4× larger
KINS
$56.4M
$41.3M
ASPN
Growing faster (revenue YoY)
KINS
KINS
+100.4% gap
KINS
34.0%
-66.4%
ASPN
Higher net margin
KINS
KINS
202.5% more per $
KINS
26.2%
-176.4%
ASPN
More free cash flow
KINS
KINS
$59.4M more FCF
KINS
$73.1M
$13.7M
ASPN
Faster 2-yr revenue CAGR
KINS
KINS
Annualised
KINS
25.6%
-33.9%
ASPN

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ASPN
ASPN
KINS
KINS
Revenue
$41.3M
$56.4M
Net Profit
$-72.9M
$14.8M
Gross Margin
-55.5%
Operating Margin
-170.3%
32.7%
Net Margin
-176.4%
26.2%
Revenue YoY
-66.4%
34.0%
Net Profit YoY
-741.7%
171.4%
EPS (diluted)
$-0.87
$1.09

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
KINS
KINS
Q4 25
$41.3M
$56.4M
Q3 25
$73.0M
$55.7M
Q2 25
$78.0M
$52.3M
Q1 25
$78.7M
$50.5M
Q4 24
$123.1M
$42.1M
Q3 24
$117.3M
$40.8M
Q2 24
$117.8M
$36.5M
Q1 24
$94.5M
$35.8M
Net Profit
ASPN
ASPN
KINS
KINS
Q4 25
$-72.9M
$14.8M
Q3 25
$-6.3M
$10.9M
Q2 25
$-9.1M
$11.3M
Q1 25
$-301.2M
$3.9M
Q4 24
$11.4M
$5.4M
Q3 24
$-13.0M
$7.0M
Q2 24
$16.8M
$4.5M
Q1 24
$-1.8M
$1.4M
Gross Margin
ASPN
ASPN
KINS
KINS
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
KINS
KINS
Q4 25
-170.3%
32.7%
Q3 25
-4.6%
24.6%
Q2 25
-6.6%
27.1%
Q1 25
-380.2%
9.3%
Q4 24
12.0%
15.9%
Q3 24
14.8%
22.3%
Q2 24
17.0%
15.7%
Q1 24
2.6%
5.0%
Net Margin
ASPN
ASPN
KINS
KINS
Q4 25
-176.4%
26.2%
Q3 25
-8.7%
19.5%
Q2 25
-11.6%
21.5%
Q1 25
-382.7%
7.7%
Q4 24
9.2%
12.9%
Q3 24
-11.1%
17.1%
Q2 24
14.3%
12.4%
Q1 24
-1.9%
4.0%
EPS (diluted)
ASPN
ASPN
KINS
KINS
Q4 25
$-0.87
$1.09
Q3 25
$-0.08
$0.74
Q2 25
$-0.11
$0.78
Q1 25
$-3.67
$0.27
Q4 24
$0.15
$0.44
Q3 24
$-0.17
$0.55
Q2 24
$0.21
$0.37
Q1 24
$-0.02
$0.12

Balance Sheet & Financial Strength

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

Metric
ASPN
ASPN
KINS
KINS
Cash + ST InvestmentsLiquidity on hand
$156.9M
Total DebtLower is stronger
$65.5M
$4.4M
Stockholders' EquityBook value
$235.5M
$122.7M
Total Assets
$406.7M
$453.4M
Debt / EquityLower = less leverage
0.28×
0.04×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ASPN
ASPN
KINS
KINS
Q4 25
$156.9M
Q3 25
$150.7M
Q2 25
$167.6M
Q1 25
$192.0M
Q4 24
$220.9M
Q3 24
$113.5M
Q2 24
$91.4M
Q1 24
$101.5M
Total Debt
ASPN
ASPN
KINS
KINS
Q4 25
$65.5M
$4.4M
Q3 25
$70.1M
$4.8M
Q2 25
$77.3M
$5.1M
Q1 25
$95.4M
$5.4M
Q4 24
$95.0M
$11.2M
Q3 24
$93.7M
$17.3M
Q2 24
$25.3M
Q1 24
$25.3M
Stockholders' Equity
ASPN
ASPN
KINS
KINS
Q4 25
$235.5M
$122.7M
Q3 25
$305.7M
$107.7M
Q2 25
$308.8M
$94.9M
Q1 25
$314.8M
$82.2M
Q4 24
$614.7M
$66.7M
Q3 24
$507.6M
$59.7M
Q2 24
$517.8M
$40.8M
Q1 24
$491.2M
$35.7M
Total Assets
ASPN
ASPN
KINS
KINS
Q4 25
$406.7M
$453.4M
Q3 25
$491.4M
$428.6M
Q2 25
$525.1M
$393.4M
Q1 25
$555.0M
$385.4M
Q4 24
$895.1M
$374.9M
Q3 24
$782.6M
$347.0M
Q2 24
$748.6M
$319.8M
Q1 24
$698.0M
$318.3M
Debt / Equity
ASPN
ASPN
KINS
KINS
Q4 25
0.28×
0.04×
Q3 25
0.23×
0.04×
Q2 25
0.25×
0.05×
Q1 25
0.30×
0.07×
Q4 24
0.15×
0.17×
Q3 24
0.18×
0.29×
Q2 24
0.62×
Q1 24
0.71×

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
KINS
KINS
Operating Cash FlowLast quarter
$16.1M
$75.9M
Free Cash FlowOCF − Capex
$13.7M
$73.1M
FCF MarginFCF / Revenue
33.1%
129.5%
Capex IntensityCapex / Revenue
6.0%
5.0%
Cash ConversionOCF / Net Profit
5.14×
TTM Free Cash FlowTrailing 4 quarters
$-4.6M
$124.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ASPN
ASPN
KINS
KINS
Q4 25
$16.1M
$75.9M
Q3 25
$15.0M
$25.9M
Q2 25
$-3.9M
$9.3M
Q1 25
$5.6M
$17.9M
Q4 24
$35.7M
$57.9M
Q3 24
$20.8M
$21.7M
Q2 24
$6.8M
$7.1M
Q1 24
$-17.7M
$6.1M
Free Cash Flow
ASPN
ASPN
KINS
KINS
Q4 25
$13.7M
$73.1M
Q3 25
$5.9M
$25.3M
Q2 25
$-16.8M
$8.7M
Q1 25
$-7.4M
$17.0M
Q4 24
$20.9M
$55.6M
Q3 24
$-50.0K
$21.0M
Q2 24
$-18.0M
$6.6M
Q1 24
$-43.6M
$5.6M
FCF Margin
ASPN
ASPN
KINS
KINS
Q4 25
33.1%
129.5%
Q3 25
8.1%
45.4%
Q2 25
-21.6%
16.6%
Q1 25
-9.4%
33.7%
Q4 24
17.0%
132.1%
Q3 24
-0.0%
51.6%
Q2 24
-15.3%
18.1%
Q1 24
-46.1%
15.5%
Capex Intensity
ASPN
ASPN
KINS
KINS
Q4 25
6.0%
5.0%
Q3 25
12.5%
1.2%
Q2 25
16.5%
1.1%
Q1 25
16.5%
1.7%
Q4 24
12.0%
5.6%
Q3 24
17.7%
1.7%
Q2 24
21.1%
1.4%
Q1 24
27.4%
1.5%
Cash Conversion
ASPN
ASPN
KINS
KINS
Q4 25
5.14×
Q3 25
2.38×
Q2 25
0.82×
Q1 25
4.60×
Q4 24
3.14×
10.65×
Q3 24
3.12×
Q2 24
0.41×
1.58×
Q1 24
4.27×

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%

KINS
KINS

Segment breakdown not available.

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