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Side-by-side financial comparison of Arena Group Holdings, Inc. (AREN) and 908 Devices Inc. (MASS). Click either name above to swap in a different company.

Arena Group Holdings, Inc. is the larger business by last-quarter revenue ($28.2M vs $17.4M, roughly 1.6× 908 Devices Inc.). 908 Devices Inc. runs the higher net margin — 24.0% vs 18.9%, a 5.1% gap on every dollar of revenue. On growth, 908 Devices Inc. posted the faster year-over-year revenue change (21.2% vs -22.0%). Over the past eight quarters, 908 Devices Inc.'s revenue compounded faster (53.0% 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.

908 Devices Inc. develops and manufactures portable, high-performance mass spectrometry devices and analytical solutions. Its products serve use cases across life science research, biopharmaceutical manufacturing, public safety, forensics, and industrial process monitoring, catering to global customers including research institutions, pharmaceutical firms and government agencies.

AREN vs MASS — Head-to-Head

Bigger by revenue
AREN
AREN
1.6× larger
AREN
$28.2M
$17.4M
MASS
Growing faster (revenue YoY)
MASS
MASS
+43.2% gap
MASS
21.2%
-22.0%
AREN
Higher net margin
MASS
MASS
5.1% more per $
MASS
24.0%
18.9%
AREN
Faster 2-yr revenue CAGR
MASS
MASS
Annualised
MASS
53.0%
-1.2%
AREN

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
AREN
AREN
MASS
MASS
Revenue
$28.2M
$17.4M
Net Profit
$5.3M
$4.2M
Gross Margin
43.6%
52.7%
Operating Margin
26.6%
17.8%
Net Margin
18.9%
24.0%
Revenue YoY
-22.0%
21.2%
Net Profit YoY
-22.5%
121.5%
EPS (diluted)
$0.12
$0.09

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
MASS
MASS
Q4 25
$28.2M
$17.4M
Q3 25
$29.8M
$14.0M
Q2 25
$45.0M
$13.0M
Q1 25
$31.8M
$11.8M
Q4 24
$36.2M
$14.3M
Q3 24
$33.6M
$14.5M
Q2 24
$27.2M
$11.5M
Q1 24
$28.9M
$7.4M
Net Profit
AREN
AREN
MASS
MASS
Q4 25
$5.3M
$4.2M
Q3 25
$6.9M
$-15.0M
Q2 25
$108.6M
$-13.3M
Q1 25
$4.0M
$43.6M
Q4 24
$6.9M
$-19.4M
Q3 24
$4.0M
$-29.3M
Q2 24
$-8.2M
$-12.5M
Q1 24
$-103.4M
$-10.9M
Gross Margin
AREN
AREN
MASS
MASS
Q4 25
43.6%
52.7%
Q3 25
50.2%
52.5%
Q2 25
56.5%
48.9%
Q1 25
49.3%
47.0%
Q4 24
52.6%
46.5%
Q3 24
50.6%
53.6%
Q2 24
39.4%
53.8%
Q1 24
30.9%
52.4%
Operating Margin
AREN
AREN
MASS
MASS
Q4 25
26.6%
17.8%
Q3 25
31.9%
-116.6%
Q2 25
36.5%
-116.3%
Q1 25
23.1%
-93.6%
Q4 24
28.6%
-116.8%
Q3 24
24.0%
-168.7%
Q2 24
-9.5%
-74.5%
Q1 24
-27.5%
-102.5%
Net Margin
AREN
AREN
MASS
MASS
Q4 25
18.9%
24.0%
Q3 25
23.1%
-107.0%
Q2 25
241.4%
-102.1%
Q1 25
12.6%
370.2%
Q4 24
19.0%
-135.6%
Q3 24
11.8%
-201.8%
Q2 24
-30.1%
-109.5%
Q1 24
-357.1%
-147.1%
EPS (diluted)
AREN
AREN
MASS
MASS
Q4 25
$0.12
$0.09
Q3 25
$0.14
$-0.41
Q2 25
$2.28
$-0.37
Q1 25
$0.08
$1.23
Q4 24
$1.23
$-0.58
Q3 24
$0.11
$-0.84
Q2 24
$-0.28
$-0.37
Q1 24
$-3.91
$-0.33

Balance Sheet & Financial Strength

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

Metric
AREN
AREN
MASS
MASS
Cash + ST InvestmentsLiquidity on hand
$10.3M
$113.0M
Total DebtLower is stronger
$97.6M
Stockholders' EquityBook value
$-4.8M
$143.7M
Total Assets
$112.6M
$190.1M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AREN
AREN
MASS
MASS
Q4 25
$10.3M
$113.0M
Q3 25
$12.5M
$112.1M
Q2 25
$6.8M
$118.6M
Q1 25
$2.9M
$124.3M
Q4 24
$4.4M
$69.6M
Q3 24
$5.8M
$71.7M
Q2 24
$6.1M
$77.4M
Q1 24
$4.0M
$134.2M
Total Debt
AREN
AREN
MASS
MASS
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
MASS
MASS
Q4 25
$-4.8M
$143.7M
Q3 25
$-10.4M
$136.3M
Q2 25
$-17.3M
$148.8M
Q1 25
$-126.1M
$159.4M
Q4 24
$-130.3M
$114.6M
Q3 24
$-137.5M
$131.0M
Q2 24
$-157.2M
$156.4M
Q1 24
$-149.6M
$156.9M
Total Assets
AREN
AREN
MASS
MASS
Q4 25
$112.6M
$190.1M
Q3 25
$121.4M
$190.9M
Q2 25
$127.8M
$191.7M
Q1 25
$114.6M
$196.0M
Q4 24
$116.4M
$159.5M
Q3 24
$114.2M
$178.3M
Q2 24
$113.4M
$208.8M
Q1 24
$120.3M
$189.8M

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
MASS
MASS
Operating Cash FlowLast quarter
$13.1M
$1.3M
Free Cash FlowOCF − Capex
$1.3M
FCF MarginFCF / Revenue
7.6%
Capex IntensityCapex / Revenue
0.0%
Cash ConversionOCF / Net Profit
2.46×
0.32×
TTM Free Cash FlowTrailing 4 quarters
$-24.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AREN
AREN
MASS
MASS
Q4 25
$13.1M
$1.3M
Q3 25
$12.2M
$-4.2M
Q2 25
$10.3M
$-5.8M
Q1 25
$3.7M
$-15.0M
Q4 24
$-8.6M
$-2.2M
Q3 24
$-2.3M
$-5.6M
Q2 24
$-3.2M
$-13.0M
Q1 24
$-2.0M
$-9.4M
Free Cash Flow
AREN
AREN
MASS
MASS
Q4 25
$1.3M
Q3 25
$-4.9M
Q2 25
$-5.9M
Q1 25
$-15.2M
Q4 24
$-2.4M
Q3 24
$-2.4M
$-5.8M
Q2 24
$-13.7M
Q1 24
$-10.3M
FCF Margin
AREN
AREN
MASS
MASS
Q4 25
7.6%
Q3 25
-34.9%
Q2 25
-45.3%
Q1 25
-128.9%
Q4 24
-17.0%
Q3 24
-7.1%
-39.7%
Q2 24
-119.4%
Q1 24
-138.2%
Capex Intensity
AREN
AREN
MASS
MASS
Q4 25
0.0%
Q3 25
0.0%
4.9%
Q2 25
0.9%
Q1 25
1.4%
Q4 24
1.3%
Q3 24
0.1%
1.1%
Q2 24
5.6%
Q1 24
12.2%
Cash Conversion
AREN
AREN
MASS
MASS
Q4 25
2.46×
0.32×
Q3 25
1.77×
Q2 25
0.09×
Q1 25
0.91×
-0.34×
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.

Revenue Breakdown by Segment

AREN
AREN

Segment breakdown not available.

MASS
MASS

Products$14.3M82%
Services$3.0M18%

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