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

PACIFIC BIOSCIENCES OF CALIFORNIA, INC. is the larger business by last-quarter revenue ($44.6M vs $30.8M, roughly 1.5× Firefly Aerospace Inc.). PACIFIC BIOSCIENCES OF CALIFORNIA, INC. runs the higher net margin — -90.4% vs -433.5%, a 343.0% gap on every dollar of revenue. On growth, Firefly Aerospace Inc. posted the faster year-over-year revenue change (37.6% vs 13.8%). PACIFIC BIOSCIENCES OF CALIFORNIA, INC. produced more free cash flow last quarter ($-19.9M vs $-62.0M).

Firefly Aerospace, Inc. (Firefly) is an American aerospace firm based in Cedar Park, Texas. Firefly develops small- and medium-lift launch vehicles for commercial launches to orbit. Firefly's stated purpose is to increase access to space, similar to other private spaceflight companies.

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.

FLY vs PACB — Head-to-Head

Bigger by revenue
PACB
PACB
1.5× larger
PACB
$44.6M
$30.8M
FLY
Growing faster (revenue YoY)
FLY
FLY
+23.8% gap
FLY
37.6%
13.8%
PACB
Higher net margin
PACB
PACB
343.0% more per $
PACB
-90.4%
-433.5%
FLY
More free cash flow
PACB
PACB
$42.0M more FCF
PACB
$-19.9M
$-62.0M
FLY

Income Statement — Q3 FY2025 vs Q4 FY2025

Metric
FLY
FLY
PACB
PACB
Revenue
$30.8M
$44.6M
Net Profit
$-133.4M
$-40.4M
Gross Margin
27.6%
37.1%
Operating Margin
-202.1%
-92.3%
Net Margin
-433.5%
-90.4%
Revenue YoY
37.6%
13.8%
Net Profit YoY
-227.1%
-1802.7%
EPS (diluted)
$-1.50
$-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
FLY
FLY
PACB
PACB
Q4 25
$44.6M
Q3 25
$30.8M
$38.4M
Q2 25
$15.5M
$39.8M
Q1 25
$37.2M
Q4 24
$39.2M
Q3 24
$22.4M
$40.0M
Q2 24
$21.1M
$36.0M
Q1 24
$38.8M
Net Profit
FLY
FLY
PACB
PACB
Q4 25
$-40.4M
Q3 25
$-133.4M
$-38.0M
Q2 25
$-63.8M
$-41.9M
Q1 25
$-426.1M
Q4 24
$2.4M
Q3 24
$-40.8M
$-60.7M
Q2 24
$-53.5M
$-173.3M
Q1 24
$-78.2M
Gross Margin
FLY
FLY
PACB
PACB
Q4 25
37.1%
Q3 25
27.6%
41.4%
Q2 25
25.7%
36.9%
Q1 25
-3.7%
Q4 24
25.6%
Q3 24
34.7%
25.0%
Q2 24
14.0%
16.5%
Q1 24
29.1%
Operating Margin
FLY
FLY
PACB
PACB
Q4 25
-92.3%
Q3 25
-202.1%
-101.1%
Q2 25
-349.5%
-112.8%
Q1 25
-1154.5%
Q4 24
-390.1%
Q3 24
-152.9%
-160.3%
Q2 24
-232.1%
-488.3%
Q1 24
-209.6%
Net Margin
FLY
FLY
PACB
PACB
Q4 25
-90.4%
Q3 25
-433.5%
-98.9%
Q2 25
-410.2%
-105.4%
Q1 25
-1146.8%
Q4 24
6.0%
Q3 24
-182.3%
-151.9%
Q2 24
-253.7%
-481.3%
Q1 24
-201.4%
EPS (diluted)
FLY
FLY
PACB
PACB
Q4 25
$-0.11
Q3 25
$-1.50
$-0.13
Q2 25
$-5.78
$-0.14
Q1 25
$-1.44
Q4 24
$-0.44
Q3 24
$-3.57
$-0.22
Q2 24
$-4.60
$-0.64
Q1 24
$-0.29

Balance Sheet & Financial Strength

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

Metric
FLY
FLY
PACB
PACB
Cash + ST InvestmentsLiquidity on hand
$995.2M
$279.5M
Total DebtLower is stronger
Stockholders' EquityBook value
$948.8M
$5.3M
Total Assets
$1.3B
$784.1M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
FLY
FLY
PACB
PACB
Q4 25
$279.5M
Q3 25
$995.2M
$298.7M
Q2 25
$205.3M
$314.7M
Q1 25
$343.1M
Q4 24
$389.9M
Q3 24
$26.4M
$471.1M
Q2 24
$21.9M
$509.8M
Q1 24
$561.9M
Total Debt
FLY
FLY
PACB
PACB
Q4 25
Q3 25
Q2 25
$136.1M
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
Stockholders' Equity
FLY
FLY
PACB
PACB
Q4 25
$5.3M
Q3 25
$948.8M
$36.1M
Q2 25
$-918.0M
$61.5M
Q1 25
$91.6M
Q4 24
$506.6M
Q3 24
$-665.5M
$453.1M
Q2 24
$-620.0M
$492.7M
Q1 24
$649.0M
Total Assets
FLY
FLY
PACB
PACB
Q4 25
$784.1M
Q3 25
$1.3B
$803.2M
Q2 25
$466.8M
$825.5M
Q1 25
$860.8M
Q4 24
$1.3B
Q3 24
$1.5B
Q2 24
$1.5B
Q1 24
$1.7B

Cash Flow & Capital Efficiency

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

Metric
FLY
FLY
PACB
PACB
Operating Cash FlowLast quarter
$-53.0M
$-19.1M
Free Cash FlowOCF − Capex
$-62.0M
$-19.9M
FCF MarginFCF / Revenue
-201.3%
-44.6%
Capex IntensityCapex / Revenue
29.0%
1.9%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-114.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
FLY
FLY
PACB
PACB
Q4 25
$-19.1M
Q3 25
$-53.0M
$-18.7M
Q2 25
$-29.4M
Q1 25
$-44.1M
Q4 24
$-30.6M
Q3 24
$-45.5M
Q2 24
$-54.3M
Q1 24
$-75.7M
Free Cash Flow
FLY
FLY
PACB
PACB
Q4 25
$-19.9M
Q3 25
$-62.0M
$-18.8M
Q2 25
$-29.9M
Q1 25
$-45.4M
Q4 24
$-32.3M
Q3 24
$-46.3M
Q2 24
$-55.7M
Q1 24
$-79.6M
FCF Margin
FLY
FLY
PACB
PACB
Q4 25
-44.6%
Q3 25
-201.3%
-48.9%
Q2 25
-75.3%
Q1 25
-122.3%
Q4 24
-82.3%
Q3 24
-115.7%
Q2 24
-154.8%
Q1 24
-205.0%
Capex Intensity
FLY
FLY
PACB
PACB
Q4 25
1.9%
Q3 25
29.0%
0.2%
Q2 25
1.4%
Q1 25
3.7%
Q4 24
4.1%
Q3 24
2.0%
Q2 24
4.1%
Q1 24
10.0%
Cash Conversion
FLY
FLY
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

FLY
FLY

Spacecraft Solutions Revenue$21.4M69%
Launch Revenue$9.4M31%

PACB
PACB

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

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