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

Castellum, Inc. is the larger business by last-quarter revenue ($12.6M vs $9.2M, roughly 1.4× electroCore, Inc.). Castellum, Inc. runs the higher net margin — -10.5% vs -32.8%, a 22.3% gap on every dollar of revenue. On growth, electroCore, Inc. posted the faster year-over-year revenue change (31.2% vs 21.9%). Over the past eight quarters, electroCore, Inc.'s revenue compounded faster (30.3% CAGR vs 5.3%).

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.

electroCore, Inc. is a medical technology company based in Basking Ridge, New Jersey. electroCore was co-founded in 2005 by JP Errico, Thomas J. Errico, MD, Charles Theofilos, MD, and Peter Staats, MD. The current chief executive officer is Daniel S. Goldberger. electroCore has one product called gammaCore, a non-invasive, commercially available product that uses vagus nerve stimulation.

CTM vs ECOR — Head-to-Head

Bigger by revenue
CTM
CTM
1.4× larger
CTM
$12.6M
$9.2M
ECOR
Growing faster (revenue YoY)
ECOR
ECOR
+9.2% gap
ECOR
31.2%
21.9%
CTM
Higher net margin
CTM
CTM
22.3% more per $
CTM
-10.5%
-32.8%
ECOR
Faster 2-yr revenue CAGR
ECOR
ECOR
Annualised
ECOR
30.3%
5.3%
CTM

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
CTM
CTM
ECOR
ECOR
Revenue
$12.6M
$9.2M
Net Profit
$-1.3M
$-3.0M
Gross Margin
33.9%
88.4%
Operating Margin
-11.1%
-31.8%
Net Margin
-10.5%
-32.8%
Revenue YoY
21.9%
31.2%
Net Profit YoY
51.8%
6.0%
EPS (diluted)
$-0.02
$-0.34

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
CTM
CTM
ECOR
ECOR
Q4 25
$12.6M
$9.2M
Q3 25
$14.6M
$8.7M
Q2 25
$14.0M
$7.4M
Q1 25
$11.7M
$6.7M
Q4 24
$10.3M
$7.0M
Q3 24
$11.6M
$6.6M
Q2 24
$11.5M
$6.1M
Q1 24
$11.3M
$5.4M
Net Profit
CTM
CTM
ECOR
ECOR
Q4 25
$-1.3M
$-3.0M
Q3 25
$415.4K
$-3.4M
Q2 25
$-322.1K
$-3.7M
Q1 25
$-1.2M
$-3.9M
Q4 24
$-2.7M
$-3.2M
Q3 24
$-1.3M
$-2.5M
Q2 24
$-1.8M
$-2.7M
Q1 24
$-4.1M
$-3.5M
Gross Margin
CTM
CTM
ECOR
ECOR
Q4 25
33.9%
88.4%
Q3 25
37.6%
86.0%
Q2 25
36.1%
87.3%
Q1 25
39.0%
84.9%
Q4 24
40.0%
85.9%
Q3 24
42.7%
83.8%
Q2 24
40.6%
86.3%
Q1 24
39.8%
83.7%
Operating Margin
CTM
CTM
ECOR
ECOR
Q4 25
-11.1%
-31.8%
Q3 25
3.0%
-33.2%
Q2 25
-2.7%
-47.5%
Q1 25
-12.7%
-56.9%
Q4 24
-15.7%
-43.6%
Q3 24
-11.9%
-40.4%
Q2 24
-13.6%
-42.2%
Q1 24
-23.6%
-70.7%
Net Margin
CTM
CTM
ECOR
ECOR
Q4 25
-10.5%
-32.8%
Q3 25
2.8%
-39.2%
Q2 25
-2.3%
-49.7%
Q1 25
-10.0%
-57.4%
Q4 24
-26.6%
-45.8%
Q3 24
-11.0%
-38.1%
Q2 24
-16.0%
-43.2%
Q1 24
-36.3%
-64.4%
EPS (diluted)
CTM
CTM
ECOR
ECOR
Q4 25
$-0.02
$-0.34
Q3 25
$0.00
$-0.40
Q2 25
$0.00
$-0.44
Q1 25
$-0.01
$-0.47
Q4 24
$-0.05
$-0.37
Q3 24
$-0.02
$-0.31
Q2 24
$-0.03
$-0.38
Q1 24
$-0.08
$-0.53

Balance Sheet & Financial Strength

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

Metric
CTM
CTM
ECOR
ECOR
Cash + ST InvestmentsLiquidity on hand
$11.6M
Total DebtLower is stronger
$7.8M
Stockholders' EquityBook value
$35.8M
$-1.7M
Total Assets
$41.9M
$18.7M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CTM
CTM
ECOR
ECOR
Q4 25
$11.6M
Q3 25
$13.0M
Q2 25
$7.1M
Q1 25
$7.8M
Q4 24
$12.2M
Q3 24
$12.9M
Q2 24
$14.2M
Q1 24
$7.8M
Total Debt
CTM
CTM
ECOR
ECOR
Q4 25
$7.8M
Q3 25
$7.8M
Q2 25
Q1 25
Q4 24
$8.0M
Q3 24
$8.3M
Q2 24
$8.7M
Q1 24
$9.0M
Stockholders' Equity
CTM
CTM
ECOR
ECOR
Q4 25
$35.8M
$-1.7M
Q3 25
$36.7M
$-1.1M
Q2 25
$31.8M
$1.1M
Q1 25
$26.1M
$4.4M
Q4 24
$20.2M
$7.5M
Q3 24
$12.0M
$9.5M
Q2 24
$12.1M
$11.5M
Q1 24
$12.8M
$4.5M
Total Assets
CTM
CTM
ECOR
ECOR
Q4 25
$41.9M
$18.7M
Q3 25
$46.3M
$21.4M
Q2 25
$43.4M
$14.6M
Q1 25
$41.1M
$16.0M
Q4 24
$37.8M
$20.5M
Q3 24
$28.8M
$21.0M
Q2 24
$29.5M
$22.4M
Q1 24
$30.5M
$13.9M
Debt / Equity
CTM
CTM
ECOR
ECOR
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
CTM
CTM
ECOR
ECOR
Operating Cash FlowLast quarter
$-661.7K
$-1.5M
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
CTM
CTM
ECOR
ECOR
Q4 25
$-661.7K
$-1.5M
Q3 25
$1.0M
$-1.7M
Q2 25
$214.2K
$-623.0K
Q1 25
$-2.5M
$-4.4M
Q4 24
$-394.4K
$-1.3M
Q3 24
$742.2K
$-1.4M
Q2 24
$748.6K
$-1.8M
Q1 24
$23.7K
$-2.6M
Free Cash Flow
CTM
CTM
ECOR
ECOR
Q4 25
Q3 25
$957.0K
$-1.7M
Q2 25
$-648.0K
Q1 25
$-4.4M
Q4 24
Q3 24
$738.9K
Q2 24
Q1 24
FCF Margin
CTM
CTM
ECOR
ECOR
Q4 25
Q3 25
6.5%
-19.3%
Q2 25
-8.8%
Q1 25
-65.4%
Q4 24
Q3 24
6.4%
Q2 24
Q1 24
Capex Intensity
CTM
CTM
ECOR
ECOR
Q4 25
0.0%
Q3 25
0.3%
0.0%
Q2 25
0.3%
Q1 25
0.6%
Q4 24
0.0%
Q3 24
0.0%
Q2 24
0.0%
Q1 24
0.0%
Cash Conversion
CTM
CTM
ECOR
ECOR
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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