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Side-by-side financial comparison of ASPEN AEROGELS INC (ASPN) and Butterfly Network, Inc. (BFLY). Click either name above to swap in a different company.

ASPEN AEROGELS INC is the larger business by last-quarter revenue ($41.3M vs $26.5M, roughly 1.6× Butterfly Network, Inc.). Butterfly Network, Inc. runs the higher net margin — -47.8% vs -176.4%, a 128.6% gap on every dollar of revenue. On growth, Butterfly Network, Inc. posted the faster year-over-year revenue change (25.0% vs -66.4%). Over the past eight quarters, Butterfly Network, Inc.'s revenue compounded faster (11.1% 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.

Butterfly Network, Inc. is a digital health company that develops, manufactures and sells affordable, portable whole-body ultrasound devices powered by proprietary semiconductor technology. It serves clinical professionals, healthcare facilities, and home care users across global markets, with a core mission to expand access to medical imaging for underserved communities.

ASPN vs BFLY — Head-to-Head

Bigger by revenue
ASPN
ASPN
1.6× larger
ASPN
$41.3M
$26.5M
BFLY
Growing faster (revenue YoY)
BFLY
BFLY
+91.4% gap
BFLY
25.0%
-66.4%
ASPN
Higher net margin
BFLY
BFLY
128.6% more per $
BFLY
-47.8%
-176.4%
ASPN
Faster 2-yr revenue CAGR
BFLY
BFLY
Annualised
BFLY
11.1%
-33.9%
ASPN

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
ASPN
ASPN
BFLY
BFLY
Revenue
$41.3M
$26.5M
Net Profit
$-72.9M
$-12.7M
Gross Margin
-55.5%
68.9%
Operating Margin
-170.3%
-21.2%
Net Margin
-176.4%
-47.8%
Revenue YoY
-66.4%
25.0%
Net Profit YoY
-741.7%
EPS (diluted)
$-0.87
$-0.05

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
BFLY
BFLY
Q1 26
$26.5M
Q4 25
$41.3M
$31.5M
Q3 25
$73.0M
$21.5M
Q2 25
$78.0M
$23.4M
Q1 25
$78.7M
$21.2M
Q4 24
$123.1M
$22.4M
Q3 24
$117.3M
$20.6M
Q2 24
$117.8M
$21.5M
Net Profit
ASPN
ASPN
BFLY
BFLY
Q1 26
$-12.7M
Q4 25
$-72.9M
$-15.3M
Q3 25
$-6.3M
$-34.0M
Q2 25
$-9.1M
$-13.8M
Q1 25
$-301.2M
$-14.0M
Q4 24
$11.4M
$-18.1M
Q3 24
$-13.0M
$-16.9M
Q2 24
$16.8M
$-15.7M
Gross Margin
ASPN
ASPN
BFLY
BFLY
Q1 26
68.9%
Q4 25
-55.5%
67.3%
Q3 25
28.5%
-17.5%
Q2 25
32.4%
63.7%
Q1 25
29.0%
63.0%
Q4 24
38.3%
61.5%
Q3 24
41.8%
59.5%
Q2 24
43.8%
58.6%
Operating Margin
ASPN
ASPN
BFLY
BFLY
Q1 26
-21.2%
Q4 25
-170.3%
-53.0%
Q3 25
-4.6%
-163.5%
Q2 25
-6.6%
-68.9%
Q1 25
-380.2%
-87.0%
Q4 24
12.0%
-77.5%
Q3 24
14.8%
-83.9%
Q2 24
17.0%
-80.2%
Net Margin
ASPN
ASPN
BFLY
BFLY
Q1 26
-47.8%
Q4 25
-176.4%
-48.5%
Q3 25
-8.7%
-158.1%
Q2 25
-11.6%
-59.2%
Q1 25
-382.7%
-65.8%
Q4 24
9.2%
-81.0%
Q3 24
-11.1%
-82.3%
Q2 24
14.3%
-73.1%
EPS (diluted)
ASPN
ASPN
BFLY
BFLY
Q1 26
$-0.05
Q4 25
$-0.87
$-0.06
Q3 25
$-0.08
$-0.13
Q2 25
$-0.11
$-0.06
Q1 25
$-3.67
$-0.06
Q4 24
$0.15
$-0.09
Q3 24
$-0.17
$-0.08
Q2 24
$0.21
$-0.07

Balance Sheet & Financial Strength

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

Metric
ASPN
ASPN
BFLY
BFLY
Cash + ST InvestmentsLiquidity on hand
$156.9M
$138.0M
Total DebtLower is stronger
$65.5M
Stockholders' EquityBook value
$235.5M
$191.2M
Total Assets
$406.7M
$285.9M
Debt / EquityLower = less leverage
0.28×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ASPN
ASPN
BFLY
BFLY
Q1 26
$138.0M
Q4 25
$156.9M
$150.5M
Q3 25
$150.7M
$144.2M
Q2 25
$167.6M
$148.1M
Q1 25
$192.0M
$155.2M
Q4 24
$220.9M
$88.8M
Q3 24
$113.5M
$93.8M
Q2 24
$91.4M
$102.1M
Total Debt
ASPN
ASPN
BFLY
BFLY
Q1 26
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
Stockholders' Equity
ASPN
ASPN
BFLY
BFLY
Q1 26
$191.2M
Q4 25
$235.5M
$196.0M
Q3 25
$305.7M
$203.8M
Q2 25
$308.8M
$232.8M
Q1 25
$314.8M
$239.7M
Q4 24
$614.7M
$168.8M
Q3 24
$507.6M
$181.8M
Q2 24
$517.8M
$194.3M
Total Assets
ASPN
ASPN
BFLY
BFLY
Q1 26
$285.9M
Q4 25
$406.7M
$296.5M
Q3 25
$491.4M
$290.0M
Q2 25
$525.1M
$313.3M
Q1 25
$555.0M
$318.4M
Q4 24
$895.1M
$256.1M
Q3 24
$782.6M
$265.3M
Q2 24
$748.6M
$273.1M
Debt / Equity
ASPN
ASPN
BFLY
BFLY
Q1 26
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

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
BFLY
BFLY
Operating Cash FlowLast quarter
$16.1M
$-13.9M
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
BFLY
BFLY
Q1 26
$-13.9M
Q4 25
$16.1M
$9.0M
Q3 25
$15.0M
$-2.9M
Q2 25
$-3.9M
$-7.2M
Q1 25
$5.6M
$-11.7M
Q4 24
$35.7M
$-3.1M
Q3 24
$20.8M
$-7.9M
Q2 24
$6.8M
$-10.0M
Free Cash Flow
ASPN
ASPN
BFLY
BFLY
Q1 26
Q4 25
$13.7M
$7.9M
Q3 25
$5.9M
$-3.9M
Q2 25
$-16.8M
$-8.1M
Q1 25
$-7.4M
$-12.0M
Q4 24
$20.9M
$-3.5M
Q3 24
$-50.0K
$-8.3M
Q2 24
$-18.0M
$-10.7M
FCF Margin
ASPN
ASPN
BFLY
BFLY
Q1 26
Q4 25
33.1%
25.2%
Q3 25
8.1%
-18.2%
Q2 25
-21.6%
-34.5%
Q1 25
-9.4%
-56.7%
Q4 24
17.0%
-15.8%
Q3 24
-0.0%
-40.5%
Q2 24
-15.3%
-50.0%
Capex Intensity
ASPN
ASPN
BFLY
BFLY
Q1 26
Q4 25
6.0%
3.4%
Q3 25
12.5%
4.7%
Q2 25
16.5%
3.8%
Q1 25
16.5%
1.7%
Q4 24
12.0%
1.8%
Q3 24
17.7%
2.0%
Q2 24
21.1%
3.4%
Cash Conversion
ASPN
ASPN
BFLY
BFLY
Q1 26
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
3.14×
Q3 24
Q2 24
0.41×

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%

BFLY
BFLY

Product$14.7M55%
Software and other services$11.9M45%

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