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

Aeries Technology, Inc. is the larger business by last-quarter revenue ($17.5M vs $12.6M, roughly 1.4× Castellum, Inc.). Aeries Technology, Inc. runs the higher net margin — 6.6% vs -10.5%, a 17.2% gap on every dollar of revenue. On growth, Castellum, Inc. posted the faster year-over-year revenue change (21.9% vs -0.8%). Over the past eight quarters, Castellum, Inc.'s revenue compounded faster (5.3% CAGR vs -5.9%).

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.

AERT vs CTM — Head-to-Head

Bigger by revenue
AERT
AERT
1.4× larger
AERT
$17.5M
$12.6M
CTM
Growing faster (revenue YoY)
CTM
CTM
+22.8% gap
CTM
21.9%
-0.8%
AERT
Higher net margin
AERT
AERT
17.2% more per $
AERT
6.6%
-10.5%
CTM
Faster 2-yr revenue CAGR
CTM
CTM
Annualised
CTM
5.3%
-5.9%
AERT

Income Statement — Q3 2026 vs Q4 2025

Metric
AERT
AERT
CTM
CTM
Revenue
$17.5M
$12.6M
Net Profit
$1.2M
$-1.3M
Gross Margin
19.1%
33.9%
Operating Margin
4.4%
-11.1%
Net Margin
6.6%
-10.5%
Revenue YoY
-0.8%
21.9%
Net Profit YoY
-56.7%
51.8%
EPS (diluted)
$0.02
$-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
AERT
AERT
CTM
CTM
Q4 25
$17.5M
$12.6M
Q3 25
$17.4M
$14.6M
Q2 25
$15.3M
$14.0M
Q1 25
$19.1M
$11.7M
Q4 24
$17.6M
$10.3M
Q3 24
$16.9M
$11.6M
Q2 24
$16.7M
$11.5M
Q1 24
$19.7M
$11.3M
Net Profit
AERT
AERT
CTM
CTM
Q4 25
$1.2M
$-1.3M
Q3 25
$369.0K
$415.4K
Q2 25
$1.6M
$-322.1K
Q1 25
$-6.0M
$-1.2M
Q4 24
$2.7M
$-2.7M
Q3 24
$-2.3M
$-1.3M
Q2 24
$-14.7M
$-1.8M
Q1 24
$32.1M
$-4.1M
Gross Margin
AERT
AERT
CTM
CTM
Q4 25
19.1%
33.9%
Q3 25
28.9%
37.6%
Q2 25
24.6%
36.1%
Q1 25
26.7%
39.0%
Q4 24
23.0%
40.0%
Q3 24
21.2%
42.7%
Q2 24
24.1%
40.6%
Q1 24
32.1%
39.8%
Operating Margin
AERT
AERT
CTM
CTM
Q4 25
4.4%
-11.1%
Q3 25
11.4%
3.0%
Q2 25
5.3%
-2.7%
Q1 25
-16.3%
-12.7%
Q4 24
-29.3%
-15.7%
Q3 24
-24.3%
-11.9%
Q2 24
-98.5%
-13.6%
Q1 24
-0.0%
-23.6%
Net Margin
AERT
AERT
CTM
CTM
Q4 25
6.6%
-10.5%
Q3 25
2.1%
2.8%
Q2 25
10.3%
-2.3%
Q1 25
-31.6%
-10.0%
Q4 24
15.2%
-26.6%
Q3 24
-13.5%
-11.0%
Q2 24
-87.9%
-16.0%
Q1 24
163.1%
-36.3%
EPS (diluted)
AERT
AERT
CTM
CTM
Q4 25
$0.02
$-0.02
Q3 25
$0.01
$0.00
Q2 25
$0.03
$0.00
Q1 25
$-0.10
$-0.01
Q4 24
$0.08
$-0.05
Q3 24
$-0.05
$-0.02
Q2 24
$-0.39
$-0.03
Q1 24
$-0.08

Balance Sheet & Financial Strength

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

Metric
AERT
AERT
CTM
CTM
Cash + ST InvestmentsLiquidity on hand
$2.6M
Total DebtLower is stronger
$943.0K
Stockholders' EquityBook value
$-1.2M
$35.8M
Total Assets
$42.0M
$41.9M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AERT
AERT
CTM
CTM
Q4 25
$2.6M
Q3 25
$1.9M
Q2 25
$2.1M
Q1 25
$2.8M
Q4 24
$2.4M
Q3 24
$3.6M
Q2 24
$4.2M
Q1 24
$2.1M
Total Debt
AERT
AERT
CTM
CTM
Q4 25
$943.0K
Q3 25
$960.0K
Q2 25
$1.1M
Q1 25
$1.1M
Q4 24
$1.5M
$8.0M
Q3 24
$1.5M
$8.3M
Q2 24
$1.7M
$8.7M
Q1 24
$1.5M
$9.0M
Stockholders' Equity
AERT
AERT
CTM
CTM
Q4 25
$-1.2M
$35.8M
Q3 25
$-2.9M
$36.7M
Q2 25
$-4.3M
$31.8M
Q1 25
$-5.8M
$26.1M
Q4 24
$692.0K
$20.2M
Q3 24
$-2.3M
$12.0M
Q2 24
$-231.0K
$12.1M
Q1 24
$-12.2M
$12.8M
Total Assets
AERT
AERT
CTM
CTM
Q4 25
$42.0M
$41.9M
Q3 25
$40.5M
$46.3M
Q2 25
$38.8M
$43.4M
Q1 25
$39.8M
$41.1M
Q4 24
$50.7M
$37.8M
Q3 24
$52.0M
$28.8M
Q2 24
$51.8M
$29.5M
Q1 24
$49.4M
$30.5M
Debt / Equity
AERT
AERT
CTM
CTM
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
2.17×
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
AERT
AERT
CTM
CTM
Operating Cash FlowLast quarter
$2.4M
$-661.7K
Free Cash FlowOCF − Capex
$2.1M
FCF MarginFCF / Revenue
12.2%
Capex IntensityCapex / Revenue
1.3%
Cash ConversionOCF / Net Profit
2.05×
TTM Free Cash FlowTrailing 4 quarters
$4.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AERT
AERT
CTM
CTM
Q4 25
$2.4M
$-661.7K
Q3 25
$1.0M
$1.0M
Q2 25
$1.4M
$214.2K
Q1 25
$864.0K
$-2.5M
Q4 24
$-2.1M
$-394.4K
Q3 24
$1.9M
$742.2K
Q2 24
$-1.7M
$748.6K
Q1 24
$-3.0M
$23.7K
Free Cash Flow
AERT
AERT
CTM
CTM
Q4 25
$2.1M
Q3 25
$653.0K
$957.0K
Q2 25
$1.1M
Q1 25
$752.0K
Q4 24
$-2.5M
Q3 24
$1.3M
$738.9K
Q2 24
$-2.1M
Q1 24
$-3.5M
FCF Margin
AERT
AERT
CTM
CTM
Q4 25
12.2%
Q3 25
3.8%
6.5%
Q2 25
7.2%
Q1 25
3.9%
Q4 24
-14.0%
Q3 24
7.8%
6.4%
Q2 24
-12.5%
Q1 24
-17.6%
Capex Intensity
AERT
AERT
CTM
CTM
Q4 25
1.3%
Q3 25
2.1%
0.3%
Q2 25
1.7%
Q1 25
0.6%
Q4 24
2.2%
0.0%
Q3 24
3.6%
0.0%
Q2 24
2.2%
0.0%
Q1 24
2.3%
0.0%
Cash Conversion
AERT
AERT
CTM
CTM
Q4 25
2.05×
Q3 25
2.78×
2.41×
Q2 25
0.87×
Q1 25
Q4 24
-0.78×
Q3 24
Q2 24
Q1 24
-0.09×

Financial Flow Comparison

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

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