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Side-by-side financial comparison of Firefly Aerospace Inc. (FLY) and FS Bancorp, Inc. (FSBW). Click either name above to swap in a different company.

FS Bancorp, Inc. is the larger business by last-quarter revenue ($40.0M vs $30.8M, roughly 1.3× Firefly Aerospace Inc.). On growth, Firefly Aerospace Inc. posted the faster year-over-year revenue change (37.6% vs 12.0%). FS Bancorp, Inc. produced more free cash flow last quarter ($51.9M 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.

FS Bancorp, Inc. is a U.S.-headquartered bank holding company that serves as the parent of 1st Security Bank of Washington. It offers a full range of personal and commercial banking solutions including deposit products, mortgage loans, small business financing and construction loans, primarily catering to customers in the Pacific Northwest, with core segments covering retail banking, commercial banking and residential lending.

FLY vs FSBW — Head-to-Head

Bigger by revenue
FSBW
FSBW
1.3× larger
FSBW
$40.0M
$30.8M
FLY
Growing faster (revenue YoY)
FLY
FLY
+25.6% gap
FLY
37.6%
12.0%
FSBW
More free cash flow
FSBW
FSBW
$113.9M more FCF
FSBW
$51.9M
$-62.0M
FLY

Income Statement — Q3 FY2025 vs Q4 FY2025

Metric
FLY
FLY
FSBW
FSBW
Revenue
$30.8M
$40.0M
Net Profit
$-133.4M
Gross Margin
27.6%
Operating Margin
-202.1%
25.8%
Net Margin
-433.5%
Revenue YoY
37.6%
12.0%
Net Profit YoY
-227.1%
EPS (diluted)
$-1.50
$1.11

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
FSBW
FSBW
Q4 25
$40.0M
Q3 25
$30.8M
$39.3M
Q2 25
$15.5M
$37.3M
Q1 25
$36.1M
Q4 24
$35.7M
Q3 24
$22.4M
$37.2M
Q2 24
$21.1M
$36.3M
Q1 24
$35.5M
Net Profit
FLY
FLY
FSBW
FSBW
Q4 25
Q3 25
$-133.4M
$9.2M
Q2 25
$-63.8M
$7.7M
Q1 25
$8.0M
Q4 24
Q3 24
$-40.8M
$10.3M
Q2 24
$-53.5M
$9.0M
Q1 24
$8.4M
Gross Margin
FLY
FLY
FSBW
FSBW
Q4 25
Q3 25
27.6%
Q2 25
25.7%
Q1 25
Q4 24
Q3 24
34.7%
Q2 24
14.0%
Q1 24
Operating Margin
FLY
FLY
FSBW
FSBW
Q4 25
25.8%
Q3 25
-202.1%
29.5%
Q2 25
-349.5%
26.2%
Q1 25
26.2%
Q4 24
27.6%
Q3 24
-152.9%
26.5%
Q2 24
-232.1%
31.3%
Q1 24
29.7%
Net Margin
FLY
FLY
FSBW
FSBW
Q4 25
Q3 25
-433.5%
23.4%
Q2 25
-410.2%
20.7%
Q1 25
22.2%
Q4 24
Q3 24
-182.3%
27.6%
Q2 24
-253.7%
24.7%
Q1 24
23.7%
EPS (diluted)
FLY
FLY
FSBW
FSBW
Q4 25
$1.11
Q3 25
$-1.50
$1.18
Q2 25
$-5.78
$0.99
Q1 25
$1.01
Q4 24
$0.88
Q3 24
$-3.57
$1.29
Q2 24
$-4.60
$1.13
Q1 24
$1.06

Balance Sheet & Financial Strength

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

Metric
FLY
FLY
FSBW
FSBW
Cash + ST InvestmentsLiquidity on hand
$995.2M
$28.2M
Total DebtLower is stronger
Stockholders' EquityBook value
$948.8M
$307.7M
Total Assets
$1.3B
$3.2B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
FLY
FLY
FSBW
FSBW
Q4 25
$28.2M
Q3 25
$995.2M
$61.3M
Q2 25
$205.3M
$33.2M
Q1 25
$62.7M
Q4 24
$31.6M
Q3 24
$26.4M
$40.3M
Q2 24
$21.9M
$33.0M
Q1 24
$45.4M
Total Debt
FLY
FLY
FSBW
FSBW
Q4 25
Q3 25
Q2 25
$136.1M
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
Stockholders' Equity
FLY
FLY
FSBW
FSBW
Q4 25
$307.7M
Q3 25
$948.8M
$300.5M
Q2 25
$-918.0M
$297.2M
Q1 25
$298.8M
Q4 24
$295.8M
Q3 24
$-665.5M
$288.9M
Q2 24
$-620.0M
$284.0M
Q1 24
$277.9M
Total Assets
FLY
FLY
FSBW
FSBW
Q4 25
$3.2B
Q3 25
$1.3B
$3.2B
Q2 25
$466.8M
$3.2B
Q1 25
$3.1B
Q4 24
$3.0B
Q3 24
$3.0B
Q2 24
$2.9B
Q1 24
$3.0B

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
FSBW
FSBW
Operating Cash FlowLast quarter
$-53.0M
$72.3M
Free Cash FlowOCF − Capex
$-62.0M
$51.9M
FCF MarginFCF / Revenue
-201.3%
129.8%
Capex IntensityCapex / Revenue
29.0%
50.9%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$107.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
FLY
FLY
FSBW
FSBW
Q4 25
$72.3M
Q3 25
$-53.0M
$44.6M
Q2 25
$7.1M
Q1 25
$8.2M
Q4 24
$50.8M
Q3 24
$-891.0K
Q2 24
$9.9M
Q1 24
$275.0K
Free Cash Flow
FLY
FLY
FSBW
FSBW
Q4 25
$51.9M
Q3 25
$-62.0M
$41.6M
Q2 25
$5.9M
Q1 25
$7.8M
Q4 24
$49.2M
Q3 24
$-1.5M
Q2 24
$9.6M
Q1 24
$-82.0K
FCF Margin
FLY
FLY
FSBW
FSBW
Q4 25
129.8%
Q3 25
-201.3%
105.9%
Q2 25
15.7%
Q1 25
21.7%
Q4 24
137.7%
Q3 24
-4.1%
Q2 24
26.6%
Q1 24
-0.2%
Capex Intensity
FLY
FLY
FSBW
FSBW
Q4 25
50.9%
Q3 25
29.0%
7.7%
Q2 25
3.5%
Q1 25
1.0%
Q4 24
4.6%
Q3 24
1.7%
Q2 24
0.8%
Q1 24
1.0%
Cash Conversion
FLY
FLY
FSBW
FSBW
Q4 25
Q3 25
4.86×
Q2 25
0.92×
Q1 25
1.02×
Q4 24
Q3 24
-0.09×
Q2 24
1.11×
Q1 24
0.03×

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%

FSBW
FSBW

Segment breakdown not available.

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