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

FONAR CORP is the larger business by last-quarter revenue ($25.5M vs $19.2M, roughly 1.3× CuriosityStream Inc.). FONAR CORP runs the higher net margin — 8.0% vs -19.7%, a 27.8% gap on every dollar of revenue. On growth, CuriosityStream Inc. posted the faster year-over-year revenue change (35.8% vs 2.4%). CuriosityStream Inc. produced more free cash flow last quarter ($3.9M vs $-227.0K). Over the past eight quarters, CuriosityStream Inc.'s revenue compounded faster (26.5% CAGR vs -0.3%).

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.

FONAR Corp is a specialized medical technology firm that designs, manufactures, and distributes innovative MRI systems including upright and open models. It primarily serves U.S. hospitals, diagnostic imaging centers, and healthcare providers, delivering high-precision scanning solutions for clinical diagnostic use.

CURI vs FONR — Head-to-Head

Bigger by revenue
FONR
FONR
1.3× larger
FONR
$25.5M
$19.2M
CURI
Growing faster (revenue YoY)
CURI
CURI
+33.4% gap
CURI
35.8%
2.4%
FONR
Higher net margin
FONR
FONR
27.8% more per $
FONR
8.0%
-19.7%
CURI
More free cash flow
CURI
CURI
$4.2M more FCF
CURI
$3.9M
$-227.0K
FONR
Faster 2-yr revenue CAGR
CURI
CURI
Annualised
CURI
26.5%
-0.3%
FONR

Income Statement — Q4 FY2025 vs Q2 FY2026

Metric
CURI
CURI
FONR
FONR
Revenue
$19.2M
$25.5M
Net Profit
$-3.8M
$2.1M
Gross Margin
Operating Margin
-17.6%
13.5%
Net Margin
-19.7%
8.0%
Revenue YoY
35.8%
2.4%
Net Profit YoY
-34.6%
4.7%
EPS (diluted)
$-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
CURI
CURI
FONR
FONR
Q4 25
$19.2M
$25.5M
Q3 25
$18.4M
$26.0M
Q2 25
$19.0M
$27.3M
Q1 25
$15.1M
$27.2M
Q4 24
$14.1M
$24.9M
Q3 24
$12.6M
$25.0M
Q2 24
$12.4M
$25.9M
Q1 24
$12.0M
$25.7M
Net Profit
CURI
CURI
FONR
FONR
Q4 25
$-3.8M
$2.1M
Q3 25
$-3.7M
$2.3M
Q2 25
$784.0K
$729.3K
Q1 25
$319.0K
$2.5M
Q4 24
$-2.8M
$2.0M
Q3 24
$-3.1M
$3.1M
Q2 24
$-2.0M
$830.4K
Q1 24
$-5.0M
$1.9M
Operating Margin
CURI
CURI
FONR
FONR
Q4 25
-17.6%
13.5%
Q3 25
-24.5%
14.1%
Q2 25
2.5%
5.3%
Q1 25
0.5%
15.2%
Q4 24
-27.4%
11.9%
Q3 24
-25.8%
21.0%
Q2 24
-20.6%
7.4%
Q1 24
-30.4%
16.8%
Net Margin
CURI
CURI
FONR
FONR
Q4 25
-19.7%
8.0%
Q3 25
-20.4%
8.7%
Q2 25
4.1%
2.7%
Q1 25
2.1%
9.2%
Q4 24
-19.9%
7.9%
Q3 24
-24.3%
12.6%
Q2 24
-16.4%
3.2%
Q1 24
-42.0%
7.3%
EPS (diluted)
CURI
CURI
FONR
FONR
Q4 25
$-0.07
Q3 25
$-0.06
Q2 25
$0.01
Q1 25
$0.01
Q4 24
$-0.05
Q3 24
$-0.06
Q2 24
$-0.04
Q1 24
$-0.09

Balance Sheet & Financial Strength

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

Metric
CURI
CURI
FONR
FONR
Cash + ST InvestmentsLiquidity on hand
$27.3M
$121.0K
Total DebtLower is stronger
Stockholders' EquityBook value
$41.5M
$176.9M
Total Assets
$75.7M
$217.2M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CURI
CURI
FONR
FONR
Q4 25
$27.3M
$121.0K
Q3 25
$27.8M
$122.0K
Q2 25
$28.1M
$56.5M
Q1 25
$33.4M
$123.0K
Q4 24
$32.1M
$121.0K
Q3 24
$33.2M
$136.0K
Q2 24
$39.5M
$56.5M
Q1 24
$38.8M
$134.0K
Total Debt
CURI
CURI
FONR
FONR
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
$66.9K
Q1 24
Stockholders' Equity
CURI
CURI
FONR
FONR
Q4 25
$41.5M
$176.9M
Q3 25
$47.2M
$174.9M
Q2 25
$49.8M
$172.6M
Q1 25
$58.1M
$171.9M
Q4 24
$57.8M
$169.8M
Q3 24
$62.2M
$168.7M
Q2 24
$64.8M
$166.0M
Q1 24
$67.0M
$165.8M
Total Assets
CURI
CURI
FONR
FONR
Q4 25
$75.7M
$217.2M
Q3 25
$74.7M
$218.4M
Q2 25
$78.7M
$216.9M
Q1 25
$85.3M
$214.9M
Q4 24
$86.2M
$208.0M
Q3 24
$87.6M
$212.3M
Q2 24
$90.9M
$214.2M
Q1 24
$94.6M
$209.6M
Debt / Equity
CURI
CURI
FONR
FONR
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
0.00×
Q1 24

Cash Flow & Capital Efficiency

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

Metric
CURI
CURI
FONR
FONR
Operating Cash FlowLast quarter
$4.0M
$171.0K
Free Cash FlowOCF − Capex
$3.9M
$-227.0K
FCF MarginFCF / Revenue
20.5%
-0.9%
Capex IntensityCapex / Revenue
0.1%
1.6%
Cash ConversionOCF / Net Profit
0.08×
TTM Free Cash FlowTrailing 4 quarters
$5.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CURI
CURI
FONR
FONR
Q4 25
$4.0M
$171.0K
Q3 25
$4.4M
$1.7M
Q2 25
$2.8M
$4.2M
Q1 25
$1.9M
$3.1M
Q4 24
$3.0M
$2.2M
Q3 24
$2.3M
$1.7M
Q2 24
$2.2M
$4.6M
Q1 24
$666.0K
$2.8M
Free Cash Flow
CURI
CURI
FONR
FONR
Q4 25
$3.9M
$-227.0K
Q3 25
$-177.0K
Q2 25
$3.6M
Q1 25
$1.8M
$2.6M
Q4 24
$1.5M
Q3 24
$-148.0K
Q2 24
$4.2M
Q1 24
$2.6M
FCF Margin
CURI
CURI
FONR
FONR
Q4 25
20.5%
-0.9%
Q3 25
-0.7%
Q2 25
13.1%
Q1 25
12.2%
9.4%
Q4 24
6.0%
Q3 24
-0.6%
Q2 24
16.1%
Q1 24
10.2%
Capex Intensity
CURI
CURI
FONR
FONR
Q4 25
0.1%
1.6%
Q3 25
0.0%
7.2%
Q2 25
0.0%
2.4%
Q1 25
0.5%
2.2%
Q4 24
0.0%
3.0%
Q3 24
0.0%
7.2%
Q2 24
0.0%
1.6%
Q1 24
0.0%
0.7%
Cash Conversion
CURI
CURI
FONR
FONR
Q4 25
0.08×
Q3 25
0.75×
Q2 25
3.56×
5.79×
Q1 25
6.03×
1.26×
Q4 24
1.14×
Q3 24
0.53×
Q2 24
5.54×
Q1 24
1.50×

Financial Flow Comparison

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

Revenue Breakdown by Segment

CURI
CURI

Segment breakdown not available.

FONR
FONR

Managementof Diagnostic Imaging Centers$23.2M91%
Manufacturingand Servicingof Medical Equipment$2.4M9%

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