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

ADC Therapeutics SA is the larger business by last-quarter revenue ($23.1M vs $12.6M, roughly 1.8× Castellum, Inc.). On growth, ADC Therapeutics SA posted the faster year-over-year revenue change (36.4% vs 21.9%). Over the past eight quarters, ADC Therapeutics SA's revenue compounded faster (13.7% CAGR vs 5.3%).

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.

Castellum, Inc. is a U.S.-based cybersecurity and information technology services provider. It caters to government defense agencies, public sector entities, and commercial enterprise clients, offering threat detection, data protection, cloud security, and managed IT solutions to help organizations mitigate cyber risks and safeguard critical digital infrastructure.

ADCT vs CTM — Head-to-Head

Bigger by revenue
ADCT
ADCT
1.8× larger
ADCT
$23.1M
$12.6M
CTM
Growing faster (revenue YoY)
ADCT
ADCT
+14.4% gap
ADCT
36.4%
21.9%
CTM
Faster 2-yr revenue CAGR
ADCT
ADCT
Annualised
ADCT
13.7%
5.3%
CTM

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ADCT
ADCT
CTM
CTM
Revenue
$23.1M
$12.6M
Net Profit
$-1.3M
Gross Margin
33.9%
Operating Margin
-77.7%
-11.1%
Net Margin
-10.5%
Revenue YoY
36.4%
21.9%
Net Profit YoY
51.8%
EPS (diluted)
$0.04
$-0.02

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
CTM
CTM
Q4 25
$23.1M
$12.6M
Q3 25
$15.8M
$14.6M
Q2 25
$18.1M
$14.0M
Q1 25
$17.4M
$11.7M
Q4 24
$16.9M
$10.3M
Q3 24
$18.0M
$11.6M
Q2 24
$17.0M
$11.5M
Q1 24
$17.8M
$11.3M
Net Profit
ADCT
ADCT
CTM
CTM
Q4 25
$-1.3M
Q3 25
$-41.0M
$415.4K
Q2 25
$-56.6M
$-322.1K
Q1 25
$-38.6M
$-1.2M
Q4 24
$-2.7M
Q3 24
$-44.0M
$-1.3M
Q2 24
$-36.5M
$-1.8M
Q1 24
$-46.6M
$-4.1M
Gross Margin
ADCT
ADCT
CTM
CTM
Q4 25
33.9%
Q3 25
37.6%
Q2 25
36.1%
Q1 25
39.0%
Q4 24
40.0%
Q3 24
42.7%
Q2 24
40.6%
Q1 24
39.8%
Operating Margin
ADCT
ADCT
CTM
CTM
Q4 25
-77.7%
-11.1%
Q3 25
-196.6%
3.0%
Q2 25
-244.1%
-2.7%
Q1 25
-163.5%
-12.7%
Q4 24
-191.8%
-15.7%
Q3 24
-197.4%
-11.9%
Q2 24
-170.5%
-13.6%
Q1 24
-188.3%
-23.6%
Net Margin
ADCT
ADCT
CTM
CTM
Q4 25
-10.5%
Q3 25
-260.1%
2.8%
Q2 25
-313.2%
-2.3%
Q1 25
-221.8%
-10.0%
Q4 24
-26.6%
Q3 24
-244.1%
-11.0%
Q2 24
-214.6%
-16.0%
Q1 24
-261.1%
-36.3%
EPS (diluted)
ADCT
ADCT
CTM
CTM
Q4 25
$0.04
$-0.02
Q3 25
$-0.30
$0.00
Q2 25
$-0.50
$0.00
Q1 25
$-0.36
$-0.01
Q4 24
$-0.26
$-0.05
Q3 24
$-0.42
$-0.02
Q2 24
$-0.38
$-0.03
Q1 24
$-0.56
$-0.08

Balance Sheet & Financial Strength

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

Metric
ADCT
ADCT
CTM
CTM
Cash + ST InvestmentsLiquidity on hand
$261.3M
Total DebtLower is stronger
Stockholders' EquityBook value
$-185.8M
$35.8M
Total Assets
$323.1M
$41.9M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ADCT
ADCT
CTM
CTM
Q4 25
$261.3M
Q3 25
$234.7M
Q2 25
$264.6M
Q1 25
$194.7M
Q4 24
$250.9M
Q3 24
$274.3M
Q2 24
$300.1M
Q1 24
$234.3M
Total Debt
ADCT
ADCT
CTM
CTM
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
$8.0M
Q3 24
$8.3M
Q2 24
$8.7M
Q1 24
$9.0M
Stockholders' Equity
ADCT
ADCT
CTM
CTM
Q4 25
$-185.8M
$35.8M
Q3 25
$-238.2M
$36.7M
Q2 25
$-199.2M
$31.8M
Q1 25
$-238.2M
$26.1M
Q4 24
$-202.6M
$20.2M
Q3 24
$-171.9M
$12.0M
Q2 24
$-131.7M
$12.1M
Q1 24
$-194.4M
$12.8M
Total Assets
ADCT
ADCT
CTM
CTM
Q4 25
$323.1M
$41.9M
Q3 25
$289.8M
$46.3M
Q2 25
$321.6M
$43.4M
Q1 25
$272.5M
$41.1M
Q4 24
$322.0M
$37.8M
Q3 24
$349.1M
$28.8M
Q2 24
$371.8M
$29.5M
Q1 24
$308.0M
$30.5M
Debt / Equity
ADCT
ADCT
CTM
CTM
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
0.40×
Q3 24
0.69×
Q2 24
0.72×
Q1 24
0.70×

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
CTM
CTM
Operating Cash FlowLast quarter
$-31.1M
$-661.7K
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
0.0%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ADCT
ADCT
CTM
CTM
Q4 25
$-31.1M
$-661.7K
Q3 25
$-29.6M
$1.0M
Q2 25
$-24.1M
$214.2K
Q1 25
$-56.3M
$-2.5M
Q4 24
$-21.9M
$-394.4K
Q3 24
$-25.0M
$742.2K
Q2 24
$-32.8M
$748.6K
Q1 24
$-44.1M
$23.7K
Free Cash Flow
ADCT
ADCT
CTM
CTM
Q4 25
Q3 25
$957.0K
Q2 25
Q1 25
$-56.6M
Q4 24
$-21.9M
Q3 24
$-25.3M
$738.9K
Q2 24
$-32.9M
Q1 24
$-44.6M
FCF Margin
ADCT
ADCT
CTM
CTM
Q4 25
Q3 25
6.5%
Q2 25
Q1 25
-325.2%
Q4 24
-129.8%
Q3 24
-140.2%
6.4%
Q2 24
-193.0%
Q1 24
-250.0%
Capex Intensity
ADCT
ADCT
CTM
CTM
Q4 25
0.0%
Q3 25
0.0%
0.3%
Q2 25
0.0%
Q1 25
1.5%
Q4 24
0.5%
0.0%
Q3 24
1.2%
0.0%
Q2 24
0.2%
0.0%
Q1 24
3.0%
0.0%
Cash Conversion
ADCT
ADCT
CTM
CTM
Q4 25
Q3 25
2.41×
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24

Financial Flow Comparison

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

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