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

CuriosityStream Inc. is the larger business by last-quarter revenue ($19.2M vs $12.6M, roughly 1.5× Castellum, Inc.). Castellum, Inc. runs the higher net margin — -10.5% vs -19.7%, a 9.2% gap on every dollar of revenue. On growth, CuriosityStream Inc. posted the faster year-over-year revenue change (35.8% vs 21.9%). Over the past eight quarters, CuriosityStream Inc.'s revenue compounded faster (26.5% 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.

Curiosity Stream Inc., formerly branded as CuriosityStream, is an American media company and over-the-top subscription video streaming service which offers documentary programming including films, series, and TV shows. The company offers a video on demand subscription service branded as "Curiosity Stream" and a linear broadcast television channel known as the Curiosity Channel through various services including FuboTV and The Roku Channel.

CTM vs CURI — Head-to-Head

Bigger by revenue
CURI
CURI
1.5× larger
CURI
$19.2M
$12.6M
CTM
Growing faster (revenue YoY)
CURI
CURI
+13.9% gap
CURI
35.8%
21.9%
CTM
Higher net margin
CTM
CTM
9.2% more per $
CTM
-10.5%
-19.7%
CURI
Faster 2-yr revenue CAGR
CURI
CURI
Annualised
CURI
26.5%
5.3%
CTM

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
CTM
CTM
CURI
CURI
Revenue
$12.6M
$19.2M
Net Profit
$-1.3M
$-3.8M
Gross Margin
33.9%
Operating Margin
-11.1%
-17.6%
Net Margin
-10.5%
-19.7%
Revenue YoY
21.9%
35.8%
Net Profit YoY
51.8%
-34.6%
EPS (diluted)
$-0.02
$-0.07

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
CURI
CURI
Q4 25
$12.6M
$19.2M
Q3 25
$14.6M
$18.4M
Q2 25
$14.0M
$19.0M
Q1 25
$11.7M
$15.1M
Q4 24
$10.3M
$14.1M
Q3 24
$11.6M
$12.6M
Q2 24
$11.5M
$12.4M
Q1 24
$11.3M
$12.0M
Net Profit
CTM
CTM
CURI
CURI
Q4 25
$-1.3M
$-3.8M
Q3 25
$415.4K
$-3.7M
Q2 25
$-322.1K
$784.0K
Q1 25
$-1.2M
$319.0K
Q4 24
$-2.7M
$-2.8M
Q3 24
$-1.3M
$-3.1M
Q2 24
$-1.8M
$-2.0M
Q1 24
$-4.1M
$-5.0M
Gross Margin
CTM
CTM
CURI
CURI
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
CTM
CTM
CURI
CURI
Q4 25
-11.1%
-17.6%
Q3 25
3.0%
-24.5%
Q2 25
-2.7%
2.5%
Q1 25
-12.7%
0.5%
Q4 24
-15.7%
-27.4%
Q3 24
-11.9%
-25.8%
Q2 24
-13.6%
-20.6%
Q1 24
-23.6%
-30.4%
Net Margin
CTM
CTM
CURI
CURI
Q4 25
-10.5%
-19.7%
Q3 25
2.8%
-20.4%
Q2 25
-2.3%
4.1%
Q1 25
-10.0%
2.1%
Q4 24
-26.6%
-19.9%
Q3 24
-11.0%
-24.3%
Q2 24
-16.0%
-16.4%
Q1 24
-36.3%
-42.0%
EPS (diluted)
CTM
CTM
CURI
CURI
Q4 25
$-0.02
$-0.07
Q3 25
$0.00
$-0.06
Q2 25
$0.00
$0.01
Q1 25
$-0.01
$0.01
Q4 24
$-0.05
$-0.05
Q3 24
$-0.02
$-0.06
Q2 24
$-0.03
$-0.04
Q1 24
$-0.08
$-0.09

Balance Sheet & Financial Strength

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

Metric
CTM
CTM
CURI
CURI
Cash + ST InvestmentsLiquidity on hand
$27.3M
Total DebtLower is stronger
Stockholders' EquityBook value
$35.8M
$41.5M
Total Assets
$41.9M
$75.7M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CTM
CTM
CURI
CURI
Q4 25
$27.3M
Q3 25
$27.8M
Q2 25
$28.1M
Q1 25
$33.4M
Q4 24
$32.1M
Q3 24
$33.2M
Q2 24
$39.5M
Q1 24
$38.8M
Total Debt
CTM
CTM
CURI
CURI
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
CTM
CTM
CURI
CURI
Q4 25
$35.8M
$41.5M
Q3 25
$36.7M
$47.2M
Q2 25
$31.8M
$49.8M
Q1 25
$26.1M
$58.1M
Q4 24
$20.2M
$57.8M
Q3 24
$12.0M
$62.2M
Q2 24
$12.1M
$64.8M
Q1 24
$12.8M
$67.0M
Total Assets
CTM
CTM
CURI
CURI
Q4 25
$41.9M
$75.7M
Q3 25
$46.3M
$74.7M
Q2 25
$43.4M
$78.7M
Q1 25
$41.1M
$85.3M
Q4 24
$37.8M
$86.2M
Q3 24
$28.8M
$87.6M
Q2 24
$29.5M
$90.9M
Q1 24
$30.5M
$94.6M
Debt / Equity
CTM
CTM
CURI
CURI
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
CURI
CURI
Operating Cash FlowLast quarter
$-661.7K
$4.0M
Free Cash FlowOCF − Capex
$3.9M
FCF MarginFCF / Revenue
20.5%
Capex IntensityCapex / Revenue
0.1%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CTM
CTM
CURI
CURI
Q4 25
$-661.7K
$4.0M
Q3 25
$1.0M
$4.4M
Q2 25
$214.2K
$2.8M
Q1 25
$-2.5M
$1.9M
Q4 24
$-394.4K
$3.0M
Q3 24
$742.2K
$2.3M
Q2 24
$748.6K
$2.2M
Q1 24
$23.7K
$666.0K
Free Cash Flow
CTM
CTM
CURI
CURI
Q4 25
$3.9M
Q3 25
$957.0K
Q2 25
Q1 25
$1.8M
Q4 24
Q3 24
$738.9K
Q2 24
Q1 24
FCF Margin
CTM
CTM
CURI
CURI
Q4 25
20.5%
Q3 25
6.5%
Q2 25
Q1 25
12.2%
Q4 24
Q3 24
6.4%
Q2 24
Q1 24
Capex Intensity
CTM
CTM
CURI
CURI
Q4 25
0.1%
Q3 25
0.3%
0.0%
Q2 25
0.0%
Q1 25
0.5%
Q4 24
0.0%
0.0%
Q3 24
0.0%
0.0%
Q2 24
0.0%
0.0%
Q1 24
0.0%
0.0%
Cash Conversion
CTM
CTM
CURI
CURI
Q4 25
Q3 25
2.41×
Q2 25
3.56×
Q1 25
6.03×
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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