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Side-by-side financial comparison of HUDSON TECHNOLOGIES INC (HDSN) and READING INTERNATIONAL INC (RDI). Click either name above to swap in a different company.

READING INTERNATIONAL INC is the larger business by last-quarter revenue ($50.3M vs $44.4M, roughly 1.1× HUDSON TECHNOLOGIES INC). READING INTERNATIONAL INC runs the higher net margin — -5.1% vs -19.4%, a 14.3% gap on every dollar of revenue. On growth, HUDSON TECHNOLOGIES INC posted the faster year-over-year revenue change (28.2% vs -14.2%). READING INTERNATIONAL INC produced more free cash flow last quarter ($4.1M vs $-33.7M). Over the past eight quarters, READING INTERNATIONAL INC's revenue compounded faster (5.6% CAGR vs -17.5%).

Hudson Technologies Inc is a U.S.-based provider of sustainable refrigerant management solutions, offering virgin and reclaimed refrigerants, refrigerant recovery, reclamation, and compliance support services. It primarily serves the North American market, with core customers across the HVAC, commercial refrigeration, and industrial cooling sectors, focusing on supporting clients' transition to low-GWP refrigerant alternatives.

The Reading Company was a Philadelphia-headquartered railroad that provided passenger and freight transport in eastern Pennsylvania and neighboring states from 1924 until its acquisition by Conrail in 1976.

HDSN vs RDI — Head-to-Head

Bigger by revenue
RDI
RDI
1.1× larger
RDI
$50.3M
$44.4M
HDSN
Growing faster (revenue YoY)
HDSN
HDSN
+42.4% gap
HDSN
28.2%
-14.2%
RDI
Higher net margin
RDI
RDI
14.3% more per $
RDI
-5.1%
-19.4%
HDSN
More free cash flow
RDI
RDI
$37.8M more FCF
RDI
$4.1M
$-33.7M
HDSN
Faster 2-yr revenue CAGR
RDI
RDI
Annualised
RDI
5.6%
-17.5%
HDSN

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
HDSN
HDSN
RDI
RDI
Revenue
$44.4M
$50.3M
Net Profit
$-8.6M
$-2.6M
Gross Margin
8.0%
Operating Margin
-25.2%
-1.9%
Net Margin
-19.4%
-5.1%
Revenue YoY
28.2%
-14.2%
Net Profit YoY
-236.6%
-14.5%
EPS (diluted)
$-0.19
$-0.11

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
HDSN
HDSN
RDI
RDI
Q4 25
$44.4M
$50.3M
Q3 25
$74.0M
$52.2M
Q2 25
$72.8M
$60.4M
Q1 25
$55.3M
$40.2M
Q4 24
$34.6M
$58.6M
Q3 24
$61.9M
$60.1M
Q2 24
$75.3M
$46.8M
Q1 24
$65.3M
$45.1M
Net Profit
HDSN
HDSN
RDI
RDI
Q4 25
$-8.6M
$-2.6M
Q3 25
$12.4M
$-4.2M
Q2 25
$10.2M
$-2.7M
Q1 25
$2.8M
$-4.8M
Q4 24
$-2.6M
$-2.2M
Q3 24
$7.8M
$-7.0M
Q2 24
$9.6M
$-12.8M
Q1 24
$9.6M
$-13.2M
Gross Margin
HDSN
HDSN
RDI
RDI
Q4 25
8.0%
Q3 25
32.0%
Q2 25
31.3%
Q1 25
21.8%
Q4 24
16.7%
Q3 24
25.7%
Q2 24
30.0%
Q1 24
32.8%
Operating Margin
HDSN
HDSN
RDI
RDI
Q4 25
-25.2%
-1.9%
Q3 25
18.9%
-0.6%
Q2 25
17.5%
4.8%
Q1 25
5.6%
-17.2%
Q4 24
-9.4%
2.6%
Q3 24
11.3%
-0.6%
Q2 24
17.0%
-16.4%
Q1 24
19.6%
-16.7%
Net Margin
HDSN
HDSN
RDI
RDI
Q4 25
-19.4%
-5.1%
Q3 25
16.7%
-8.0%
Q2 25
14.0%
-4.4%
Q1 25
5.0%
-11.8%
Q4 24
-7.4%
-3.8%
Q3 24
12.6%
-11.7%
Q2 24
12.7%
-27.4%
Q1 24
14.7%
-29.4%
EPS (diluted)
HDSN
HDSN
RDI
RDI
Q4 25
$-0.19
$-0.11
Q3 25
$0.27
$-0.18
Q2 25
$0.23
$-0.12
Q1 25
$0.06
$-0.21
Q4 24
$-0.05
$-0.11
Q3 24
$0.17
$-0.31
Q2 24
$0.20
$-0.57
Q1 24
$0.20
$-0.59

Balance Sheet & Financial Strength

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

Metric
HDSN
HDSN
RDI
RDI
Cash + ST InvestmentsLiquidity on hand
$39.5M
$10.5M
Total DebtLower is stronger
$185.1M
Stockholders' EquityBook value
$243.4M
$-18.2M
Total Assets
$318.6M
$434.9M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
HDSN
HDSN
RDI
RDI
Q4 25
$39.5M
$10.5M
Q3 25
$89.7M
$8.1M
Q2 25
$84.3M
$9.1M
Q1 25
$81.0M
$5.9M
Q4 24
$70.1M
$12.4M
Q3 24
$56.5M
$10.1M
Q2 24
$30.5M
$9.3M
Q1 24
$10.6M
$7.5M
Total Debt
HDSN
HDSN
RDI
RDI
Q4 25
$185.1M
Q3 25
Q2 25
Q1 25
Q4 24
$202.7M
Q3 24
Q2 24
Q1 24
Stockholders' Equity
HDSN
HDSN
RDI
RDI
Q4 25
$243.4M
$-18.2M
Q3 25
$265.9M
$-12.1M
Q2 25
$254.8M
$-7.7M
Q1 25
$246.8M
$-8.1M
Q4 24
$245.8M
$-4.4M
Q3 24
$253.9M
$1.6M
Q2 24
$248.7M
$6.5M
Q1 24
$238.6M
$18.0M
Total Assets
HDSN
HDSN
RDI
RDI
Q4 25
$318.6M
$434.9M
Q3 25
$338.9M
$435.2M
Q2 25
$317.9M
$438.1M
Q1 25
$307.9M
$441.0M
Q4 24
$302.7M
$471.0M
Q3 24
$309.4M
$495.7M
Q2 24
$300.9M
$494.9M
Q1 24
$294.2M
$494.9M

Cash Flow & Capital Efficiency

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

Metric
HDSN
HDSN
RDI
RDI
Operating Cash FlowLast quarter
$-32.5M
$4.3M
Free Cash FlowOCF − Capex
$-33.7M
$4.1M
FCF MarginFCF / Revenue
-75.8%
8.2%
Capex IntensityCapex / Revenue
2.5%
0.3%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-8.2M
$-2.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
HDSN
HDSN
RDI
RDI
Q4 25
$-32.5M
$4.3M
Q3 25
$8.8M
$295.0K
Q2 25
$6.4M
$1.6M
Q1 25
$14.2M
$-7.7M
Q4 24
$20.7M
$8.0M
Q3 24
$30.3M
$1.3M
Q2 24
$41.8M
$-10.4M
Q1 24
$-933.0K
$-2.8M
Free Cash Flow
HDSN
HDSN
RDI
RDI
Q4 25
$-33.7M
$4.1M
Q3 25
$6.7M
$-246.0K
Q2 25
$5.9M
$1.2M
Q1 25
$12.7M
$-8.0M
Q4 24
$19.2M
$7.0M
Q3 24
$28.6M
$-1.1M
Q2 24
$40.6M
$-10.6M
Q1 24
$-1.9M
$-4.7M
FCF Margin
HDSN
HDSN
RDI
RDI
Q4 25
-75.8%
8.2%
Q3 25
9.1%
-0.5%
Q2 25
8.2%
1.9%
Q1 25
23.0%
-19.8%
Q4 24
55.3%
12.0%
Q3 24
46.2%
-1.8%
Q2 24
54.0%
-22.7%
Q1 24
-2.9%
-10.4%
Capex Intensity
HDSN
HDSN
RDI
RDI
Q4 25
2.5%
0.3%
Q3 25
2.8%
1.0%
Q2 25
0.6%
0.6%
Q1 25
2.5%
0.6%
Q4 24
4.5%
1.7%
Q3 24
2.7%
4.0%
Q2 24
1.5%
0.5%
Q1 24
1.5%
4.3%
Cash Conversion
HDSN
HDSN
RDI
RDI
Q4 25
Q3 25
0.71×
Q2 25
0.63×
Q1 25
5.13×
Q4 24
Q3 24
3.88×
Q2 24
4.36×
Q1 24
-0.10×

Financial Flow Comparison

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

Revenue Breakdown by Segment

HDSN
HDSN

Products$43.1M97%
Services$1.3M3%

RDI
RDI

Cinema Exhibition Segment$46.9M93%
Real Estate Revenue$3.4M7%

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