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Side-by-side financial comparison of ADC Therapeutics SA (ADCT) and Firefly Aerospace Inc. (FLY). Click either name above to swap in a different company.

Firefly Aerospace Inc. is the larger business by last-quarter revenue ($30.8M vs $23.1M, roughly 1.3× ADC Therapeutics SA). On growth, Firefly Aerospace Inc. posted the faster year-over-year revenue change (37.6% vs 36.4%).

ADC Telecommunications, Inc. was a communications company in Eden Prairie, Minnesota, a southwest suburb of Minneapolis. It was acquired by TE Connectivity in December 2010 and ceased to exist as a separate entity. ADC products were sold by CommScope after it acquired the Broadband Network Solutions business unit from TE Connectivity in August 2015.

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.

ADCT vs FLY — Head-to-Head

Bigger by revenue
FLY
FLY
1.3× larger
FLY
$30.8M
$23.1M
ADCT
Growing faster (revenue YoY)
FLY
FLY
+1.2% gap
FLY
37.6%
36.4%
ADCT

Income Statement — Q4 FY2025 vs Q3 FY2025

Metric
ADCT
ADCT
FLY
FLY
Revenue
$23.1M
$30.8M
Net Profit
$-133.4M
Gross Margin
27.6%
Operating Margin
-77.7%
-202.1%
Net Margin
-433.5%
Revenue YoY
36.4%
37.6%
Net Profit YoY
-227.1%
EPS (diluted)
$0.04
$-1.50

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
ADCT
ADCT
FLY
FLY
Q4 25
$23.1M
Q3 25
$15.8M
$30.8M
Q2 25
$18.1M
$15.5M
Q1 25
$17.4M
Q4 24
$16.9M
Q3 24
$18.0M
$22.4M
Q2 24
$17.0M
$21.1M
Q1 24
$17.8M
Net Profit
ADCT
ADCT
FLY
FLY
Q4 25
Q3 25
$-41.0M
$-133.4M
Q2 25
$-56.6M
$-63.8M
Q1 25
$-38.6M
Q4 24
Q3 24
$-44.0M
$-40.8M
Q2 24
$-36.5M
$-53.5M
Q1 24
$-46.6M
Gross Margin
ADCT
ADCT
FLY
FLY
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
ADCT
ADCT
FLY
FLY
Q4 25
-77.7%
Q3 25
-196.6%
-202.1%
Q2 25
-244.1%
-349.5%
Q1 25
-163.5%
Q4 24
-191.8%
Q3 24
-197.4%
-152.9%
Q2 24
-170.5%
-232.1%
Q1 24
-188.3%
Net Margin
ADCT
ADCT
FLY
FLY
Q4 25
Q3 25
-260.1%
-433.5%
Q2 25
-313.2%
-410.2%
Q1 25
-221.8%
Q4 24
Q3 24
-244.1%
-182.3%
Q2 24
-214.6%
-253.7%
Q1 24
-261.1%
EPS (diluted)
ADCT
ADCT
FLY
FLY
Q4 25
$0.04
Q3 25
$-0.30
$-1.50
Q2 25
$-0.50
$-5.78
Q1 25
$-0.36
Q4 24
$-0.26
Q3 24
$-0.42
$-3.57
Q2 24
$-0.38
$-4.60
Q1 24
$-0.56

Balance Sheet & Financial Strength

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

Metric
ADCT
ADCT
FLY
FLY
Cash + ST InvestmentsLiquidity on hand
$261.3M
$995.2M
Total DebtLower is stronger
Stockholders' EquityBook value
$-185.8M
$948.8M
Total Assets
$323.1M
$1.3B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ADCT
ADCT
FLY
FLY
Q4 25
$261.3M
Q3 25
$234.7M
$995.2M
Q2 25
$264.6M
$205.3M
Q1 25
$194.7M
Q4 24
$250.9M
Q3 24
$274.3M
$26.4M
Q2 24
$300.1M
$21.9M
Q1 24
$234.3M
Total Debt
ADCT
ADCT
FLY
FLY
Q4 25
Q3 25
Q2 25
$136.1M
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
Stockholders' Equity
ADCT
ADCT
FLY
FLY
Q4 25
$-185.8M
Q3 25
$-238.2M
$948.8M
Q2 25
$-199.2M
$-918.0M
Q1 25
$-238.2M
Q4 24
$-202.6M
Q3 24
$-171.9M
$-665.5M
Q2 24
$-131.7M
$-620.0M
Q1 24
$-194.4M
Total Assets
ADCT
ADCT
FLY
FLY
Q4 25
$323.1M
Q3 25
$289.8M
$1.3B
Q2 25
$321.6M
$466.8M
Q1 25
$272.5M
Q4 24
$322.0M
Q3 24
$349.1M
Q2 24
$371.8M
Q1 24
$308.0M

Cash Flow & Capital Efficiency

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

Metric
ADCT
ADCT
FLY
FLY
Operating Cash FlowLast quarter
$-31.1M
$-53.0M
Free Cash FlowOCF − Capex
$-62.0M
FCF MarginFCF / Revenue
-201.3%
Capex IntensityCapex / Revenue
0.0%
29.0%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ADCT
ADCT
FLY
FLY
Q4 25
$-31.1M
Q3 25
$-29.6M
$-53.0M
Q2 25
$-24.1M
Q1 25
$-56.3M
Q4 24
$-21.9M
Q3 24
$-25.0M
Q2 24
$-32.8M
Q1 24
$-44.1M
Free Cash Flow
ADCT
ADCT
FLY
FLY
Q4 25
Q3 25
$-62.0M
Q2 25
Q1 25
$-56.6M
Q4 24
$-21.9M
Q3 24
$-25.3M
Q2 24
$-32.9M
Q1 24
$-44.6M
FCF Margin
ADCT
ADCT
FLY
FLY
Q4 25
Q3 25
-201.3%
Q2 25
Q1 25
-325.2%
Q4 24
-129.8%
Q3 24
-140.2%
Q2 24
-193.0%
Q1 24
-250.0%
Capex Intensity
ADCT
ADCT
FLY
FLY
Q4 25
0.0%
Q3 25
0.0%
29.0%
Q2 25
0.0%
Q1 25
1.5%
Q4 24
0.5%
Q3 24
1.2%
Q2 24
0.2%
Q1 24
3.0%

Financial Flow Comparison

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

Revenue Breakdown by Segment

ADCT
ADCT

Segment breakdown not available.

FLY
FLY

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

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