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Side-by-side financial comparison of ASPEN AEROGELS INC (ASPN) and Viridian Therapeutics, Inc.\DE (VRDN). Click either name above to swap in a different company.

Viridian Therapeutics, Inc.\DE is the larger business by last-quarter revenue ($70.6M vs $41.3M, roughly 1.7× ASPEN AEROGELS INC). Viridian Therapeutics, Inc.\DE runs the higher net margin — -49.0% vs -176.4%, a 127.4% gap on every dollar of revenue. On growth, Viridian Therapeutics, Inc.\DE posted the faster year-over-year revenue change (81958.1% vs -66.4%). ASPEN AEROGELS INC produced more free cash flow last quarter ($13.7M vs $-84.7M).

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.

Viridian Therapeutics is a clinical-stage biotechnology firm developing novel disease-modifying therapies for rare, serious autoimmune and inflammatory diseases. Its lead pipeline candidate targets thyroid eye disease, a debilitating orbital disorder, with primary market focus on North America and Europe.

ASPN vs VRDN — Head-to-Head

Bigger by revenue
VRDN
VRDN
1.7× larger
VRDN
$70.6M
$41.3M
ASPN
Growing faster (revenue YoY)
VRDN
VRDN
+82024.6% gap
VRDN
81958.1%
-66.4%
ASPN
Higher net margin
VRDN
VRDN
127.4% more per $
VRDN
-49.0%
-176.4%
ASPN
More free cash flow
ASPN
ASPN
$98.4M more FCF
ASPN
$13.7M
$-84.7M
VRDN

Income Statement — Q4 FY2025 vs Q3 FY2025

Metric
ASPN
ASPN
VRDN
VRDN
Revenue
$41.3M
$70.6M
Net Profit
$-72.9M
$-34.6M
Gross Margin
-55.5%
Operating Margin
-170.3%
-56.7%
Net Margin
-176.4%
-49.0%
Revenue YoY
-66.4%
81958.1%
Net Profit YoY
-741.7%
54.9%
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
VRDN
VRDN
Q4 25
$41.3M
Q3 25
$73.0M
$70.6M
Q2 25
$78.0M
Q1 25
$78.7M
Q4 24
$123.1M
Q3 24
$117.3M
Q2 24
$117.8M
Q1 24
$94.5M
Net Profit
ASPN
ASPN
VRDN
VRDN
Q4 25
$-72.9M
Q3 25
$-6.3M
$-34.6M
Q2 25
$-9.1M
Q1 25
$-301.2M
Q4 24
$11.4M
Q3 24
$-13.0M
Q2 24
$16.8M
Q1 24
$-1.8M
Gross Margin
ASPN
ASPN
VRDN
VRDN
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
VRDN
VRDN
Q4 25
-170.3%
Q3 25
-4.6%
-56.7%
Q2 25
-6.6%
Q1 25
-380.2%
Q4 24
12.0%
Q3 24
14.8%
Q2 24
17.0%
Q1 24
2.6%
Net Margin
ASPN
ASPN
VRDN
VRDN
Q4 25
-176.4%
Q3 25
-8.7%
-49.0%
Q2 25
-11.6%
Q1 25
-382.7%
Q4 24
9.2%
Q3 24
-11.1%
Q2 24
14.3%
Q1 24
-1.9%
EPS (diluted)
ASPN
ASPN
VRDN
VRDN
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
VRDN
VRDN
Cash + ST InvestmentsLiquidity on hand
$156.9M
$490.9M
Total DebtLower is stronger
$65.5M
Stockholders' EquityBook value
$235.5M
$503.0M
Total Assets
$406.7M
$577.1M
Debt / EquityLower = less leverage
0.28×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ASPN
ASPN
VRDN
VRDN
Q4 25
$156.9M
Q3 25
$150.7M
$490.9M
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
VRDN
VRDN
Q4 25
$65.5M
Q3 25
$70.1M
Q2 25
$77.3M
Q1 25
$95.4M
Q4 24
$95.0M
Q3 24
$93.7M
Q2 24
Q1 24
Stockholders' Equity
ASPN
ASPN
VRDN
VRDN
Q4 25
$235.5M
Q3 25
$305.7M
$503.0M
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
VRDN
VRDN
Q4 25
$406.7M
Q3 25
$491.4M
$577.1M
Q2 25
$525.1M
Q1 25
$555.0M
Q4 24
$895.1M
Q3 24
$782.6M
Q2 24
$748.6M
Q1 24
$698.0M
Debt / Equity
ASPN
ASPN
VRDN
VRDN
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
VRDN
VRDN
Operating Cash FlowLast quarter
$16.1M
$-84.6M
Free Cash FlowOCF − Capex
$13.7M
$-84.7M
FCF MarginFCF / Revenue
33.1%
-120.1%
Capex IntensityCapex / Revenue
6.0%
0.2%
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
VRDN
VRDN
Q4 25
$16.1M
Q3 25
$15.0M
$-84.6M
Q2 25
$-3.9M
Q1 25
$5.6M
Q4 24
$35.7M
Q3 24
$20.8M
Q2 24
$6.8M
Q1 24
$-17.7M
Free Cash Flow
ASPN
ASPN
VRDN
VRDN
Q4 25
$13.7M
Q3 25
$5.9M
$-84.7M
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
VRDN
VRDN
Q4 25
33.1%
Q3 25
8.1%
-120.1%
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
VRDN
VRDN
Q4 25
6.0%
Q3 25
12.5%
0.2%
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
VRDN
VRDN
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%

VRDN
VRDN

Segment breakdown not available.

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