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Side-by-side financial comparison of ASPEN AEROGELS INC (ASPN) and NEW ENGLAND REALTY ASSOCIATES LIMITED PARTNERSHIP (NEN). Click either name above to swap in a different company.

ASPEN AEROGELS INC is the larger business by last-quarter revenue ($41.3M vs $23.6M, roughly 1.8× NEW ENGLAND REALTY ASSOCIATES LIMITED PARTNERSHIP). ASPEN AEROGELS INC runs the higher net margin — -176.4% vs -677.3%, a 501.0% gap on every dollar of revenue. On growth, NEW ENGLAND REALTY ASSOCIATES LIMITED PARTNERSHIP posted the faster year-over-year revenue change (15.7% vs -66.4%). Over the past eight quarters, NEW ENGLAND REALTY ASSOCIATES LIMITED PARTNERSHIP's revenue compounded faster (8.9% 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.

New England Realty Associates Limited Partnership is a real estate investment entity that owns, operates and manages residential and commercial properties primarily across the U.S. New England region. Its core assets include multifamily apartments, mixed-use properties and small commercial spaces, serving tenants across Massachusetts, New Hampshire and adjacent states, delivering steady returns to unitholders via rental income and property value growth.

ASPN vs NEN — Head-to-Head

Bigger by revenue
ASPN
ASPN
1.8× larger
ASPN
$41.3M
$23.6M
NEN
Growing faster (revenue YoY)
NEN
NEN
+82.1% gap
NEN
15.7%
-66.4%
ASPN
Higher net margin
ASPN
ASPN
501.0% more per $
ASPN
-176.4%
-677.3%
NEN
Faster 2-yr revenue CAGR
NEN
NEN
Annualised
NEN
8.9%
-33.9%
ASPN

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ASPN
ASPN
NEN
NEN
Revenue
$41.3M
$23.6M
Net Profit
$-72.9M
$-1.4M
Gross Margin
-55.5%
Operating Margin
-170.3%
14.0%
Net Margin
-176.4%
-677.3%
Revenue YoY
-66.4%
15.7%
Net Profit YoY
-741.7%
-133.0%
EPS (diluted)
$-0.87

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
NEN
NEN
Q4 25
$41.3M
$23.6M
Q3 25
$73.0M
$23.7M
Q2 25
$78.0M
$21.2M
Q1 25
$78.7M
$20.7M
Q4 24
$123.1M
$20.4M
Q3 24
$117.3M
$20.2M
Q2 24
$117.8M
$20.1M
Q1 24
$94.5M
$19.9M
Net Profit
ASPN
ASPN
NEN
NEN
Q4 25
$-72.9M
$-1.4M
Q3 25
$-6.3M
$-521.8K
Q2 25
$-9.1M
$4.1M
Q1 25
$-301.2M
$3.8M
Q4 24
$11.4M
$4.2M
Q3 24
$-13.0M
$3.9M
Q2 24
$16.8M
$4.1M
Q1 24
$-1.8M
$3.5M
Gross Margin
ASPN
ASPN
NEN
NEN
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
NEN
NEN
Q4 25
-170.3%
14.0%
Q3 25
-4.6%
20.0%
Q2 25
-6.6%
33.3%
Q1 25
-380.2%
30.1%
Q4 24
12.0%
32.4%
Q3 24
14.8%
32.0%
Q2 24
17.0%
32.6%
Q1 24
2.6%
28.9%
Net Margin
ASPN
ASPN
NEN
NEN
Q4 25
-176.4%
-677.3%
Q3 25
-8.7%
-2.2%
Q2 25
-11.6%
19.5%
Q1 25
-382.7%
18.3%
Q4 24
9.2%
20.7%
Q3 24
-11.1%
19.3%
Q2 24
14.3%
20.3%
Q1 24
-1.9%
17.4%
EPS (diluted)
ASPN
ASPN
NEN
NEN
Q4 25
$-0.87
Q3 25
$-0.08
Q2 25
$-0.11
Q1 25
$-3.67
Q4 24
$0.15
Q3 24
$-0.17
Q2 24
$0.21
Q1 24
$-0.02

Balance Sheet & Financial Strength

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

Metric
ASPN
ASPN
NEN
NEN
Cash + ST InvestmentsLiquidity on hand
$156.9M
$26.7M
Total DebtLower is stronger
$65.5M
$531.0M
Stockholders' EquityBook value
$235.5M
Total Assets
$406.7M
$505.3M
Debt / EquityLower = less leverage
0.28×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ASPN
ASPN
NEN
NEN
Q4 25
$156.9M
$26.7M
Q3 25
$150.7M
$13.4M
Q2 25
$167.6M
$16.7M
Q1 25
$192.0M
$30.9M
Q4 24
$220.9M
$17.6M
Q3 24
$113.5M
$15.1M
Q2 24
$91.4M
$13.5M
Q1 24
$101.5M
$28.8M
Total Debt
ASPN
ASPN
NEN
NEN
Q4 25
$65.5M
$531.0M
Q3 25
$70.1M
$514.2M
Q2 25
$77.3M
$514.3M
Q1 25
$95.4M
$407.8M
Q4 24
$95.0M
$408.6M
Q3 24
$93.7M
$409.3M
Q2 24
$410.0M
Q1 24
$410.7M
Stockholders' Equity
ASPN
ASPN
NEN
NEN
Q4 25
$235.5M
Q3 25
$305.7M
Q2 25
$308.8M
Q1 25
$314.8M
Q4 24
$614.7M
Q3 24
$507.6M
Q2 24
$517.8M
Q1 24
$491.2M
Total Assets
ASPN
ASPN
NEN
NEN
Q4 25
$406.7M
$505.3M
Q3 25
$491.4M
$492.9M
Q2 25
$525.1M
$494.8M
Q1 25
$555.0M
$385.2M
Q4 24
$895.1M
$393.5M
Q3 24
$782.6M
$387.4M
Q2 24
$748.6M
$383.7M
Q1 24
$698.0M
$381.2M
Debt / Equity
ASPN
ASPN
NEN
NEN
Q4 25
0.28×
Q3 25
0.23×
Q2 25
0.25×
Q1 25
0.30×
Q4 24
0.15×
Q3 24
0.18×
Q2 24
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
ASPN
ASPN
NEN
NEN
Operating Cash FlowLast quarter
$16.1M
$27.7M
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
NEN
NEN
Q4 25
$16.1M
$27.7M
Q3 25
$15.0M
$2.3M
Q2 25
$-3.9M
$12.5M
Q1 25
$5.6M
$5.5M
Q4 24
$35.7M
$31.9M
Q3 24
$20.8M
$8.5M
Q2 24
$6.8M
$5.4M
Q1 24
$-17.7M
$6.1M
Free Cash Flow
ASPN
ASPN
NEN
NEN
Q4 25
$13.7M
Q3 25
$5.9M
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
NEN
NEN
Q4 25
33.1%
Q3 25
8.1%
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
NEN
NEN
Q4 25
6.0%
Q3 25
12.5%
Q2 25
16.5%
Q1 25
16.5%
Q4 24
12.0%
Q3 24
17.7%
Q2 24
21.1%
Q1 24
27.4%
Cash Conversion
ASPN
ASPN
NEN
NEN
Q4 25
Q3 25
Q2 25
3.02×
Q1 25
1.44×
Q4 24
3.14×
7.57×
Q3 24
2.17×
Q2 24
0.41×
1.32×
Q1 24
1.77×

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%

NEN
NEN

Segment breakdown not available.

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