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Side-by-side financial comparison of ASPEN AEROGELS INC (ASPN) and DLH Holdings Corp. (DLHC). Click either name above to swap in a different company.

DLH Holdings Corp. is the larger business by last-quarter revenue ($68.9M vs $41.3M, roughly 1.7× ASPEN AEROGELS INC). DLH Holdings Corp. runs the higher net margin — -1.9% vs -176.4%, a 174.5% gap on every dollar of revenue. On growth, DLH Holdings Corp. posted the faster year-over-year revenue change (-24.1% vs -66.4%). ASPEN AEROGELS INC produced more free cash flow last quarter ($13.7M vs $-4.8M). Over the past eight quarters, DLH Holdings Corp.'s revenue compounded faster (-17.4% 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.

DLH Holdings Corp. is a U.S.-based provider of technology-enabled healthcare, logistics, engineering, and mission support services primarily serving federal government agencies including the Department of Veterans Affairs, Department of Defense, and Department of Health and Human Services, as well as select state and local government clients across core public service segments.

ASPN vs DLHC — Head-to-Head

Bigger by revenue
DLHC
DLHC
1.7× larger
DLHC
$68.9M
$41.3M
ASPN
Growing faster (revenue YoY)
DLHC
DLHC
+42.3% gap
DLHC
-24.1%
-66.4%
ASPN
Higher net margin
DLHC
DLHC
174.5% more per $
DLHC
-1.9%
-176.4%
ASPN
More free cash flow
ASPN
ASPN
$18.5M more FCF
ASPN
$13.7M
$-4.8M
DLHC
Faster 2-yr revenue CAGR
DLHC
DLHC
Annualised
DLHC
-17.4%
-33.9%
ASPN

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
ASPN
ASPN
DLHC
DLHC
Revenue
$41.3M
$68.9M
Net Profit
$-72.9M
$-1.3M
Gross Margin
-55.5%
Operating Margin
-170.3%
2.1%
Net Margin
-176.4%
-1.9%
Revenue YoY
-66.4%
-24.1%
Net Profit YoY
-741.7%
-218.7%
EPS (diluted)
$-0.87
$-0.09

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
DLHC
DLHC
Q4 25
$41.3M
$68.9M
Q3 25
$73.0M
$81.2M
Q2 25
$78.0M
$83.3M
Q1 25
$78.7M
$89.2M
Q4 24
$123.1M
$90.8M
Q3 24
$117.3M
$96.4M
Q2 24
$117.8M
$100.7M
Q1 24
$94.5M
$101.0M
Net Profit
ASPN
ASPN
DLHC
DLHC
Q4 25
$-72.9M
$-1.3M
Q3 25
$-6.3M
$-920.0K
Q2 25
$-9.1M
$289.0K
Q1 25
$-301.2M
$878.0K
Q4 24
$11.4M
$1.1M
Q3 24
$-13.0M
$2.3M
Q2 24
$16.8M
$1.1M
Q1 24
$-1.8M
$1.8M
Gross Margin
ASPN
ASPN
DLHC
DLHC
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
DLHC
DLHC
Q4 25
-170.3%
2.1%
Q3 25
-4.6%
2.8%
Q2 25
-6.6%
4.5%
Q1 25
-380.2%
5.7%
Q4 24
12.0%
6.2%
Q3 24
14.8%
6.6%
Q2 24
17.0%
5.7%
Q1 24
2.6%
5.9%
Net Margin
ASPN
ASPN
DLHC
DLHC
Q4 25
-176.4%
-1.9%
Q3 25
-8.7%
-1.1%
Q2 25
-11.6%
0.3%
Q1 25
-382.7%
1.0%
Q4 24
9.2%
1.2%
Q3 24
-11.1%
2.4%
Q2 24
14.3%
1.1%
Q1 24
-1.9%
1.8%
EPS (diluted)
ASPN
ASPN
DLHC
DLHC
Q4 25
$-0.87
$-0.09
Q3 25
$-0.08
$-0.07
Q2 25
$-0.11
$0.02
Q1 25
$-3.67
$0.06
Q4 24
$0.15
$0.08
Q3 24
$-0.17
$0.16
Q2 24
$0.21
$0.08
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
DLHC
DLHC
Cash + ST InvestmentsLiquidity on hand
$156.9M
$257.0K
Total DebtLower is stronger
$65.5M
$133.5M
Stockholders' EquityBook value
$235.5M
$112.2M
Total Assets
$406.7M
$283.5M
Debt / EquityLower = less leverage
0.28×
1.19×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ASPN
ASPN
DLHC
DLHC
Q4 25
$156.9M
$257.0K
Q3 25
$150.7M
$125.0K
Q2 25
$167.6M
$194.0K
Q1 25
$192.0M
$196.0K
Q4 24
$220.9M
$451.0K
Q3 24
$113.5M
$342.0K
Q2 24
$91.4M
$423.0K
Q1 24
$101.5M
$238.0K
Total Debt
ASPN
ASPN
DLHC
DLHC
Q4 25
$65.5M
$133.5M
Q3 25
$70.1M
$128.0M
Q2 25
$77.3M
$138.3M
Q1 25
$95.4M
$147.3M
Q4 24
$95.0M
$162.2M
Q3 24
$93.7M
$149.4M
Q2 24
$160.9M
Q1 24
$164.8M
Stockholders' Equity
ASPN
ASPN
DLHC
DLHC
Q4 25
$235.5M
$112.2M
Q3 25
$305.7M
$113.0M
Q2 25
$308.8M
$113.7M
Q1 25
$314.8M
$112.8M
Q4 24
$614.7M
$111.4M
Q3 24
$507.6M
$110.1M
Q2 24
$517.8M
$108.6M
Q1 24
$491.2M
$106.8M
Total Assets
ASPN
ASPN
DLHC
DLHC
Q4 25
$406.7M
$283.5M
Q3 25
$491.4M
$290.7M
Q2 25
$525.1M
$299.3M
Q1 25
$555.0M
$306.6M
Q4 24
$895.1M
$325.0M
Q3 24
$782.6M
$314.4M
Q2 24
$748.6M
$325.0M
Q1 24
$698.0M
$325.9M
Debt / Equity
ASPN
ASPN
DLHC
DLHC
Q4 25
0.28×
1.19×
Q3 25
0.23×
1.13×
Q2 25
0.25×
1.22×
Q1 25
0.30×
1.31×
Q4 24
0.15×
1.46×
Q3 24
0.18×
1.36×
Q2 24
1.48×
Q1 24
1.54×

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
DLHC
DLHC
Operating Cash FlowLast quarter
$16.1M
$-4.8M
Free Cash FlowOCF − Capex
$13.7M
$-4.8M
FCF MarginFCF / Revenue
33.1%
-7.0%
Capex IntensityCapex / Revenue
6.0%
0.1%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-4.6M
$29.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ASPN
ASPN
DLHC
DLHC
Q4 25
$16.1M
$-4.8M
Q3 25
$15.0M
$10.7M
Q2 25
$-3.9M
$9.6M
Q1 25
$5.6M
$14.5M
Q4 24
$35.7M
$-11.5M
Q3 24
$20.8M
$12.4M
Q2 24
$6.8M
$4.6M
Q1 24
$-17.7M
$5.2M
Free Cash Flow
ASPN
ASPN
DLHC
DLHC
Q4 25
$13.7M
$-4.8M
Q3 25
$5.9M
$10.7M
Q2 25
$-16.8M
$9.4M
Q1 25
$-7.4M
$14.0M
Q4 24
$20.9M
$-12.1M
Q3 24
$-50.0K
$12.2M
Q2 24
$-18.0M
$4.5M
Q1 24
$-43.6M
$4.9M
FCF Margin
ASPN
ASPN
DLHC
DLHC
Q4 25
33.1%
-7.0%
Q3 25
8.1%
13.1%
Q2 25
-21.6%
11.2%
Q1 25
-9.4%
15.6%
Q4 24
17.0%
-13.3%
Q3 24
-0.0%
12.7%
Q2 24
-15.3%
4.4%
Q1 24
-46.1%
4.9%
Capex Intensity
ASPN
ASPN
DLHC
DLHC
Q4 25
6.0%
0.1%
Q3 25
12.5%
0.0%
Q2 25
16.5%
0.3%
Q1 25
16.5%
0.6%
Q4 24
12.0%
0.6%
Q3 24
17.7%
0.2%
Q2 24
21.1%
0.2%
Q1 24
27.4%
0.3%
Cash Conversion
ASPN
ASPN
DLHC
DLHC
Q4 25
Q3 25
Q2 25
33.12×
Q1 25
16.52×
Q4 24
3.14×
-10.35×
Q3 24
5.42×
Q2 24
0.41×
4.06×
Q1 24
2.89×

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%

DLHC
DLHC

Sales Channel Directly To Consumer$64.5M94%
Sales Channel Through Intermediary$4.4M6%

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