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Side-by-side financial comparison of FUELCELL ENERGY INC (FCEL) and PACIFIC BIOSCIENCES OF CALIFORNIA, INC. (PACB). Click either name above to swap in a different company.

FUELCELL ENERGY INC is the larger business by last-quarter revenue ($55.0M vs $44.6M, roughly 1.2× PACIFIC BIOSCIENCES OF CALIFORNIA, INC.). FUELCELL ENERGY INC runs the higher net margin — -54.3% vs -90.4%, a 36.1% gap on every dollar of revenue. On growth, PACIFIC BIOSCIENCES OF CALIFORNIA, INC. posted the faster year-over-year revenue change (13.8% vs 11.5%). PACIFIC BIOSCIENCES OF CALIFORNIA, INC. produced more free cash flow last quarter ($-19.9M vs $-23.9M). Over the past eight quarters, FUELCELL ENERGY INC's revenue compounded faster (81.6% CAGR vs 7.3%).

FuelCell Energy, Inc. is a publicly traded fuel cell company headquartered in Danbury, Connecticut. It designs, manufactures, operates and services power plants based on molten carbonate fuel cells.

Pacific Biosciences of California, Inc. is an American biotechnology company founded in 2004 that develops and manufactures systems for gene sequencing and some novel real time biological observation. PacBio has two principal sequencing platforms: single-molecule real-time sequencing (SMRT), based on the properties of zero-mode waveguides and sequencing by binding (SBB) chemistry, which uses native nucleotides and scarless incorporation for DNA binding and extension.

FCEL vs PACB — Head-to-Head

Bigger by revenue
FCEL
FCEL
1.2× larger
FCEL
$55.0M
$44.6M
PACB
Growing faster (revenue YoY)
PACB
PACB
+2.3% gap
PACB
13.8%
11.5%
FCEL
Higher net margin
FCEL
FCEL
36.1% more per $
FCEL
-54.3%
-90.4%
PACB
More free cash flow
PACB
PACB
$3.9M more FCF
PACB
$-19.9M
$-23.9M
FCEL
Faster 2-yr revenue CAGR
FCEL
FCEL
Annualised
FCEL
81.6%
7.3%
PACB

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
FCEL
FCEL
PACB
PACB
Revenue
$55.0M
$44.6M
Net Profit
$-29.9M
$-40.4M
Gross Margin
-12.1%
37.1%
Operating Margin
-51.5%
-92.3%
Net Margin
-54.3%
-90.4%
Revenue YoY
11.5%
13.8%
Net Profit YoY
27.9%
-1802.7%
EPS (diluted)
$-0.43
$-0.11

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
FCEL
FCEL
PACB
PACB
Q4 25
$55.0M
$44.6M
Q3 25
$46.7M
$38.4M
Q2 25
$37.4M
$39.8M
Q1 25
$19.0M
$37.2M
Q4 24
$49.3M
$39.2M
Q3 24
$23.7M
$40.0M
Q2 24
$22.4M
$36.0M
Q1 24
$16.7M
$38.8M
Net Profit
FCEL
FCEL
PACB
PACB
Q4 25
$-29.9M
$-40.4M
Q3 25
$-91.7M
$-38.0M
Q2 25
$-38.0M
$-41.9M
Q1 25
$-28.3M
$-426.1M
Q4 24
$-41.4M
$2.4M
Q3 24
$-32.7M
$-60.7M
Q2 24
$-32.1M
$-173.3M
Q1 24
$-19.8M
$-78.2M
Gross Margin
FCEL
FCEL
PACB
PACB
Q4 25
-12.1%
37.1%
Q3 25
-11.0%
41.4%
Q2 25
-25.2%
36.9%
Q1 25
-27.4%
-3.7%
Q4 24
-22.1%
25.6%
Q3 24
-26.2%
25.0%
Q2 24
-31.6%
16.5%
Q1 24
-70.2%
29.1%
Operating Margin
FCEL
FCEL
PACB
PACB
Q4 25
-51.5%
-92.3%
Q3 25
-204.0%
-101.1%
Q2 25
-95.7%
-112.8%
Q1 25
-172.9%
-1154.5%
Q4 24
-83.2%
-390.1%
Q3 24
-141.9%
-160.3%
Q2 24
-184.5%
-488.3%
Q1 24
-254.5%
-209.6%
Net Margin
FCEL
FCEL
PACB
PACB
Q4 25
-54.3%
-90.4%
Q3 25
-196.1%
-98.9%
Q2 25
-101.7%
-105.4%
Q1 25
-149.1%
-1146.8%
Q4 24
-84.0%
6.0%
Q3 24
-137.8%
-151.9%
Q2 24
-143.4%
-481.3%
Q1 24
-118.6%
-201.4%
EPS (diluted)
FCEL
FCEL
PACB
PACB
Q4 25
$-0.43
$-0.11
Q3 25
$-3.78
$-0.13
Q2 25
$-1.79
$-0.14
Q1 25
$-1.42
$-1.44
Q4 24
$-2.29
$-0.44
Q3 24
$-1.99
$-0.22
Q2 24
$-2.18
$-0.64
Q1 24
$-1.37
$-0.29

Balance Sheet & Financial Strength

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

Metric
FCEL
FCEL
PACB
PACB
Cash + ST InvestmentsLiquidity on hand
$278.1M
$279.5M
Total DebtLower is stronger
$103.8M
Stockholders' EquityBook value
$662.2M
$5.3M
Total Assets
$932.1M
$784.1M
Debt / EquityLower = less leverage
0.16×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
FCEL
FCEL
PACB
PACB
Q4 25
$278.1M
$279.5M
Q3 25
$174.7M
$298.7M
Q2 25
$177.0M
$314.7M
Q1 25
$208.4M
$343.1M
Q4 24
$257.3M
$389.9M
Q3 24
$267.2M
$471.1M
Q2 24
$260.1M
$509.8M
Q1 24
$297.5M
$561.9M
Total Debt
FCEL
FCEL
PACB
PACB
Q4 25
$103.8M
Q3 25
$106.4M
Q2 25
$109.4M
Q1 25
$112.3M
Q4 24
$115.7M
Q3 24
$112.7M
Q2 24
$116.2M
Q1 24
$107.2M
Stockholders' Equity
FCEL
FCEL
PACB
PACB
Q4 25
$662.2M
$5.3M
Q3 25
$556.2M
$36.1M
Q2 25
$609.2M
$61.5M
Q1 25
$635.2M
$91.6M
Q4 24
$656.9M
$506.6M
Q3 24
$675.8M
$453.1M
Q2 24
$639.8M
$492.7M
Q1 24
$663.9M
$649.0M
Total Assets
FCEL
FCEL
PACB
PACB
Q4 25
$932.1M
$784.1M
Q3 25
$830.5M
$803.2M
Q2 25
$883.8M
$825.5M
Q1 25
$907.5M
$860.8M
Q4 24
$944.1M
$1.3B
Q3 24
$948.9M
$1.5B
Q2 24
$916.8M
$1.5B
Q1 24
$923.2M
$1.7B
Debt / Equity
FCEL
FCEL
PACB
PACB
Q4 25
0.16×
Q3 25
0.19×
Q2 25
0.18×
Q1 25
0.18×
Q4 24
0.18×
Q3 24
0.17×
Q2 24
0.18×
Q1 24
0.16×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
FCEL
FCEL
PACB
PACB
Operating Cash FlowLast quarter
$-22.9M
$-19.1M
Free Cash FlowOCF − Capex
$-23.9M
$-19.9M
FCF MarginFCF / Revenue
-43.4%
-44.6%
Capex IntensityCapex / Revenue
1.8%
1.9%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-143.9M
$-114.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
FCEL
FCEL
PACB
PACB
Q4 25
$-22.9M
$-19.1M
Q3 25
$-26.8M
$-18.7M
Q2 25
$-29.9M
$-29.4M
Q1 25
$-45.7M
$-44.1M
Q4 24
$5.8M
$-30.6M
Q3 24
$-63.4M
$-45.5M
Q2 24
$-37.1M
$-54.3M
Q1 24
$-58.3M
$-75.7M
Free Cash Flow
FCEL
FCEL
PACB
PACB
Q4 25
$-23.9M
$-19.9M
Q3 25
$-32.1M
$-18.8M
Q2 25
$-35.2M
$-29.9M
Q1 25
$-52.8M
$-45.4M
Q4 24
$-4.7M
$-32.3M
Q3 24
$-76.8M
$-46.3M
Q2 24
$-50.3M
$-55.7M
Q1 24
$-68.8M
$-79.6M
FCF Margin
FCEL
FCEL
PACB
PACB
Q4 25
-43.4%
-44.6%
Q3 25
-68.6%
-48.9%
Q2 25
-94.0%
-75.3%
Q1 25
-277.8%
-122.3%
Q4 24
-9.5%
-82.3%
Q3 24
-324.0%
-115.7%
Q2 24
-224.5%
-154.8%
Q1 24
-412.4%
-205.0%
Capex Intensity
FCEL
FCEL
PACB
PACB
Q4 25
1.8%
1.9%
Q3 25
11.2%
0.2%
Q2 25
14.1%
1.4%
Q1 25
37.2%
3.7%
Q4 24
21.4%
4.1%
Q3 24
56.6%
2.0%
Q2 24
58.9%
4.1%
Q1 24
63.3%
10.0%
Cash Conversion
FCEL
FCEL
PACB
PACB
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
-12.93×
Q3 24
Q2 24
Q1 24

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

FCEL
FCEL

Other$30.0M55%
Electricity Generation$12.2M22%
Services$7.3M13%
Advanced Technologies$5.5M10%

PACB
PACB

Products$39.0M87%
Service And Other$5.7M13%

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