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Side-by-side financial comparison of HUDSON TECHNOLOGIES INC (HDSN) and ARS Pharmaceuticals, Inc. (SPRY). Click either name above to swap in a different company.

HUDSON TECHNOLOGIES INC is the larger business by last-quarter revenue ($44.4M vs $28.1M, roughly 1.6× ARS Pharmaceuticals, Inc.). HUDSON TECHNOLOGIES INC runs the higher net margin — -19.4% vs -147.1%, a 127.7% gap on every dollar of revenue. On growth, HUDSON TECHNOLOGIES INC posted the faster year-over-year revenue change (28.2% vs -67.6%).

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.

ARS Pharmaceuticals, Inc. is a late-stage biopharmaceutical firm specializing in the development and commercialization of novel therapies for severe allergic reactions, most notably needle-free epinephrine delivery solutions for anaphylaxis. It primarily operates in the North American market, catering to both pediatric and adult patient groups at risk of life-threatening allergic responses.

HDSN vs SPRY — Head-to-Head

Bigger by revenue
HDSN
HDSN
1.6× larger
HDSN
$44.4M
$28.1M
SPRY
Growing faster (revenue YoY)
HDSN
HDSN
+95.8% gap
HDSN
28.2%
-67.6%
SPRY
Higher net margin
HDSN
HDSN
127.7% more per $
HDSN
-19.4%
-147.1%
SPRY

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
HDSN
HDSN
SPRY
SPRY
Revenue
$44.4M
$28.1M
Net Profit
$-8.6M
$-41.3M
Gross Margin
8.0%
Operating Margin
-25.2%
-147.6%
Net Margin
-19.4%
-147.1%
Revenue YoY
28.2%
-67.6%
Net Profit YoY
-236.6%
-182.8%
EPS (diluted)
$-0.19
$-0.41

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
SPRY
SPRY
Q4 25
$44.4M
$28.1M
Q3 25
$74.0M
$32.5M
Q2 25
$72.8M
$15.7M
Q1 25
$55.3M
$8.0M
Q4 24
$34.6M
$86.6M
Q3 24
$61.9M
$2.1M
Q2 24
$75.3M
$500.0K
Q1 24
$65.3M
$0
Net Profit
HDSN
HDSN
SPRY
SPRY
Q4 25
$-8.6M
$-41.3M
Q3 25
$12.4M
$-51.2M
Q2 25
$10.2M
$-44.9M
Q1 25
$2.8M
$-33.9M
Q4 24
$-2.6M
$49.9M
Q3 24
$7.8M
$-19.1M
Q2 24
$9.6M
$-12.5M
Q1 24
$9.6M
$-10.3M
Gross Margin
HDSN
HDSN
SPRY
SPRY
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
SPRY
SPRY
Q4 25
-25.2%
-147.6%
Q3 25
18.9%
-163.7%
Q2 25
17.5%
-302.9%
Q1 25
5.6%
-466.3%
Q4 24
-9.4%
54.5%
Q3 24
11.3%
-1051.6%
Q2 24
17.0%
-3068.0%
Q1 24
19.6%
Net Margin
HDSN
HDSN
SPRY
SPRY
Q4 25
-19.4%
-147.1%
Q3 25
16.7%
-157.4%
Q2 25
14.0%
-285.6%
Q1 25
5.0%
-425.7%
Q4 24
-7.4%
57.7%
Q3 24
12.6%
-925.0%
Q2 24
12.7%
-2503.2%
Q1 24
14.7%
EPS (diluted)
HDSN
HDSN
SPRY
SPRY
Q4 25
$-0.19
$-0.41
Q3 25
$0.27
$-0.52
Q2 25
$0.23
$-0.46
Q1 25
$0.06
$-0.35
Q4 24
$-0.05
$0.52
Q3 24
$0.17
$-0.20
Q2 24
$0.20
$-0.13
Q1 24
$0.20
$-0.11

Balance Sheet & Financial Strength

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

Metric
HDSN
HDSN
SPRY
SPRY
Cash + ST InvestmentsLiquidity on hand
$39.5M
$245.0M
Total DebtLower is stronger
$96.4M
Stockholders' EquityBook value
$243.4M
$114.3M
Total Assets
$318.6M
$327.7M
Debt / EquityLower = less leverage
0.84×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
HDSN
HDSN
SPRY
SPRY
Q4 25
$39.5M
$245.0M
Q3 25
$89.7M
$288.2M
Q2 25
$84.3M
$240.1M
Q1 25
$81.0M
$275.7M
Q4 24
$70.1M
$314.0M
Q3 24
$56.5M
$204.6M
Q2 24
$30.5M
$218.7M
Q1 24
$10.6M
$223.6M
Total Debt
HDSN
HDSN
SPRY
SPRY
Q4 25
$96.4M
Q3 25
$96.2M
Q2 25
Q1 25
Q4 24
$0
Q3 24
Q2 24
Q1 24
Stockholders' Equity
HDSN
HDSN
SPRY
SPRY
Q4 25
$243.4M
$114.3M
Q3 25
$265.9M
$147.7M
Q2 25
$254.8M
$192.3M
Q1 25
$246.8M
$229.0M
Q4 24
$245.8M
$256.8M
Q3 24
$253.9M
$201.0M
Q2 24
$248.7M
$215.2M
Q1 24
$238.6M
$223.9M
Total Assets
HDSN
HDSN
SPRY
SPRY
Q4 25
$318.6M
$327.7M
Q3 25
$338.9M
$372.8M
Q2 25
$317.9M
$313.5M
Q1 25
$307.9M
$327.3M
Q4 24
$302.7M
$351.2M
Q3 24
$309.4M
$217.6M
Q2 24
$300.9M
$222.0M
Q1 24
$294.2M
$227.6M
Debt / Equity
HDSN
HDSN
SPRY
SPRY
Q4 25
0.84×
Q3 25
0.65×
Q2 25
Q1 25
Q4 24
0.00×
Q3 24
Q2 24
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
HDSN
HDSN
SPRY
SPRY
Operating Cash FlowLast quarter
$-32.5M
$-43.5M
Free Cash FlowOCF − Capex
$-33.7M
FCF MarginFCF / Revenue
-75.8%
Capex IntensityCapex / Revenue
2.5%
0.0%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-8.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
HDSN
HDSN
SPRY
SPRY
Q4 25
$-32.5M
$-43.5M
Q3 25
$8.8M
$-47.0M
Q2 25
$6.4M
$-39.6M
Q1 25
$14.2M
$-40.7M
Q4 24
$20.7M
$42.0M
Q3 24
$30.3M
$-14.5M
Q2 24
$41.8M
$-7.3M
Q1 24
$-933.0K
$-6.7M
Free Cash Flow
HDSN
HDSN
SPRY
SPRY
Q4 25
$-33.7M
Q3 25
$6.7M
$-47.2M
Q2 25
$5.9M
$-39.6M
Q1 25
$12.7M
$-40.8M
Q4 24
$19.2M
$41.7M
Q3 24
$28.6M
$-14.6M
Q2 24
$40.6M
$-7.3M
Q1 24
$-1.9M
$-6.8M
FCF Margin
HDSN
HDSN
SPRY
SPRY
Q4 25
-75.8%
Q3 25
9.1%
-145.4%
Q2 25
8.2%
-252.2%
Q1 25
23.0%
-512.1%
Q4 24
55.3%
48.2%
Q3 24
46.2%
-706.3%
Q2 24
54.0%
-1463.4%
Q1 24
-2.9%
Capex Intensity
HDSN
HDSN
SPRY
SPRY
Q4 25
2.5%
0.0%
Q3 25
2.8%
0.6%
Q2 25
0.6%
0.3%
Q1 25
2.5%
1.1%
Q4 24
4.5%
0.3%
Q3 24
2.7%
6.8%
Q2 24
1.5%
7.6%
Q1 24
1.5%
Cash Conversion
HDSN
HDSN
SPRY
SPRY
Q4 25
Q3 25
0.71×
Q2 25
0.63×
Q1 25
5.13×
Q4 24
0.84×
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%

SPRY
SPRY

Products$20.3M72%
Other$7.8M28%

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