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Side-by-side financial comparison of Arena Group Holdings, Inc. (AREN) and STEM, INC. (STEM). Click either name above to swap in a different company.

STEM, INC. is the larger business by last-quarter revenue ($47.1M vs $28.2M, roughly 1.7× Arena Group Holdings, Inc.). Arena Group Holdings, Inc. runs the higher net margin — 18.9% vs -33.9%, a 52.8% gap on every dollar of revenue. On growth, STEM, INC. posted the faster year-over-year revenue change (-15.6% vs -22.0%). Over the past eight quarters, STEM, INC.'s revenue compounded faster (36.1% CAGR vs -1.2%).

Arena Racing Company, also called ARC Racing and Leisure Group is a UK private company, created in 2012 by the merger of Arena Leisure and Northern Racing. It owns and operates 16 racecourses in Great Britain, accounting for 39% of British racing fixtures. It also operates hotels at Wolverhampton Racecourse, Lingfield Park Racecourse and Doncaster Racecourse and golf courses at Lingfield, Southwell and Newcastle.

StemCells, Inc. is a public biopharmaceutical company headquartered in Newark, California, that is developing purified human neural stem cells (HuCNS-SCs) in the hopes of treating central nervous system disorders and paralysis. StemCells' HuCNS-SCs have the ability to differentiate into the three main types of cells found in the central nervous system: neurons, astrocytes and oligodendrocytes.

AREN vs STEM — Head-to-Head

Bigger by revenue
STEM
STEM
1.7× larger
STEM
$47.1M
$28.2M
AREN
Growing faster (revenue YoY)
STEM
STEM
+6.5% gap
STEM
-15.6%
-22.0%
AREN
Higher net margin
AREN
AREN
52.8% more per $
AREN
18.9%
-33.9%
STEM
Faster 2-yr revenue CAGR
STEM
STEM
Annualised
STEM
36.1%
-1.2%
AREN

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
AREN
AREN
STEM
STEM
Revenue
$28.2M
$47.1M
Net Profit
$5.3M
$-16.0M
Gross Margin
43.6%
48.9%
Operating Margin
26.6%
-17.7%
Net Margin
18.9%
-33.9%
Revenue YoY
-22.0%
-15.6%
Net Profit YoY
-22.5%
68.8%
EPS (diluted)
$0.12
$-4.40

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
AREN
AREN
STEM
STEM
Q4 25
$28.2M
$47.1M
Q3 25
$29.8M
$38.2M
Q2 25
$45.0M
$38.4M
Q1 25
$31.8M
$32.5M
Q4 24
$36.2M
$55.8M
Q3 24
$33.6M
$29.3M
Q2 24
$27.2M
$34.0M
Q1 24
$28.9M
$25.5M
Net Profit
AREN
AREN
STEM
STEM
Q4 25
$5.3M
$-16.0M
Q3 25
$6.9M
$-23.8M
Q2 25
$108.6M
$202.5M
Q1 25
$4.0M
$-25.0M
Q4 24
$6.9M
$-51.1M
Q3 24
$4.0M
$-148.3M
Q2 24
$-8.2M
$-582.3M
Q1 24
$-103.4M
$-72.3M
Gross Margin
AREN
AREN
STEM
STEM
Q4 25
43.6%
48.9%
Q3 25
50.2%
35.5%
Q2 25
56.5%
33.4%
Q1 25
49.3%
32.4%
Q4 24
52.6%
-4.4%
Q3 24
50.6%
21.2%
Q2 24
39.4%
27.6%
Q1 24
30.9%
-95.0%
Operating Margin
AREN
AREN
STEM
STEM
Q4 25
26.6%
-17.7%
Q3 25
31.9%
-33.6%
Q2 25
36.5%
-34.8%
Q1 25
23.1%
-65.0%
Q4 24
28.6%
-84.4%
Q3 24
24.0%
-493.2%
Q2 24
-9.5%
-1705.5%
Q1 24
-27.5%
-267.0%
Net Margin
AREN
AREN
STEM
STEM
Q4 25
18.9%
-33.9%
Q3 25
23.1%
-62.2%
Q2 25
241.4%
527.8%
Q1 25
12.6%
-76.9%
Q4 24
19.0%
-91.6%
Q3 24
11.8%
-506.3%
Q2 24
-30.1%
-1712.6%
Q1 24
-357.1%
-283.9%
EPS (diluted)
AREN
AREN
STEM
STEM
Q4 25
$0.12
$-4.40
Q3 25
$0.14
$-2.84
Q2 25
$2.28
$-1.79
Q1 25
$0.08
$-0.15
Q4 24
$1.23
$-15.29
Q3 24
$0.11
$-18.24
Q2 24
$-0.28
$-71.81
Q1 24
$-3.91
$-0.46

Balance Sheet & Financial Strength

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

Metric
AREN
AREN
STEM
STEM
Cash + ST InvestmentsLiquidity on hand
$10.3M
$48.9M
Total DebtLower is stronger
$97.6M
Stockholders' EquityBook value
$-4.8M
$-249.4M
Total Assets
$112.6M
$308.9M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AREN
AREN
STEM
STEM
Q4 25
$10.3M
$48.9M
Q3 25
$12.5M
$43.1M
Q2 25
$6.8M
$40.8M
Q1 25
$2.9M
$58.6M
Q4 24
$4.4M
$56.3M
Q3 24
$5.8M
$75.4M
Q2 24
$6.1M
$89.6M
Q1 24
$4.0M
$112.8M
Total Debt
AREN
AREN
STEM
STEM
Q4 25
$97.6M
Q3 25
$110.5M
Q2 25
$110.5M
Q1 25
$110.5M
Q4 24
$110.4M
Q3 24
$102.4M
Q2 24
$102.4M
Q1 24
$102.3M
Stockholders' Equity
AREN
AREN
STEM
STEM
Q4 25
$-4.8M
$-249.4M
Q3 25
$-10.4M
$-235.7M
Q2 25
$-17.3M
$-214.1M
Q1 25
$-126.1M
$-417.5M
Q4 24
$-130.3M
$-398.4M
Q3 24
$-137.5M
$-344.1M
Q2 24
$-157.2M
$-203.2M
Q1 24
$-149.6M
$371.6M
Total Assets
AREN
AREN
STEM
STEM
Q4 25
$112.6M
$308.9M
Q3 25
$121.4M
$362.6M
Q2 25
$127.8M
$379.2M
Q1 25
$114.6M
$405.1M
Q4 24
$116.4M
$437.4M
Q3 24
$114.2M
$537.8M
Q2 24
$113.4M
$691.5M
Q1 24
$120.3M
$1.3B

Cash Flow & Capital Efficiency

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

Metric
AREN
AREN
STEM
STEM
Operating Cash FlowLast quarter
$13.1M
$8.2M
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
2.46×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AREN
AREN
STEM
STEM
Q4 25
$13.1M
$8.2M
Q3 25
$12.2M
$11.4M
Q2 25
$10.3M
$-21.3M
Q1 25
$3.7M
$8.5M
Q4 24
$-8.6M
$-14.7M
Q3 24
$-2.3M
$-9.4M
Q2 24
$-3.2M
$-11.9M
Q1 24
$-2.0M
$-621.0K
Free Cash Flow
AREN
AREN
STEM
STEM
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
$-2.4M
Q2 24
Q1 24
FCF Margin
AREN
AREN
STEM
STEM
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
-7.1%
Q2 24
Q1 24
Capex Intensity
AREN
AREN
STEM
STEM
Q4 25
Q3 25
0.0%
Q2 25
Q1 25
Q4 24
Q3 24
0.1%
Q2 24
Q1 24
Cash Conversion
AREN
AREN
STEM
STEM
Q4 25
2.46×
Q3 25
1.77×
Q2 25
0.09×
-0.11×
Q1 25
0.91×
Q4 24
-1.25×
Q3 24
-0.59×
Q2 24
Q1 24

Financial Flow Comparison

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

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