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Side-by-side financial comparison of 4D Molecular Therapeutics, Inc. (FDMT) and HUDSON TECHNOLOGIES INC (HDSN). Click either name above to swap in a different company.

4D Molecular Therapeutics, Inc. is the larger business by last-quarter revenue ($85.1M vs $44.4M, roughly 1.9× HUDSON TECHNOLOGIES INC). 4D Molecular Therapeutics, Inc. runs the higher net margin — 22.8% vs -19.4%, a 42.2% gap on every dollar of revenue. On growth, 4D Molecular Therapeutics, Inc. posted the faster year-over-year revenue change (8508900.0% vs 28.2%). 4D Molecular Therapeutics, Inc. produced more free cash flow last quarter ($28.5M vs $-33.7M). Over the past eight quarters, 4D Molecular Therapeutics, Inc.'s revenue compounded faster (5412.6% CAGR vs -17.5%).

4D Molecular Therapeutics is a clinical-stage biotechnology company specializing in the research and development of targeted adeno-associated virus (AAV) gene therapies. Its core product candidates address unmet medical needs in ophthalmology, cardiology, and pulmonary disease segments, serving global patient populations with rare and common hard-to-treat conditions.

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.

FDMT vs HDSN — Head-to-Head

Bigger by revenue
FDMT
FDMT
1.9× larger
FDMT
$85.1M
$44.4M
HDSN
Growing faster (revenue YoY)
FDMT
FDMT
+8508871.8% gap
FDMT
8508900.0%
28.2%
HDSN
Higher net margin
FDMT
FDMT
42.2% more per $
FDMT
22.8%
-19.4%
HDSN
More free cash flow
FDMT
FDMT
$62.1M more FCF
FDMT
$28.5M
$-33.7M
HDSN
Faster 2-yr revenue CAGR
FDMT
FDMT
Annualised
FDMT
5412.6%
-17.5%
HDSN

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
FDMT
FDMT
HDSN
HDSN
Revenue
$85.1M
$44.4M
Net Profit
$19.4M
$-8.6M
Gross Margin
8.0%
Operating Margin
17.3%
-25.2%
Net Margin
22.8%
-19.4%
Revenue YoY
8508900.0%
28.2%
Net Profit YoY
139.1%
-236.6%
EPS (diluted)
$0.43
$-0.19

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
FDMT
FDMT
HDSN
HDSN
Q4 25
$85.1M
$44.4M
Q3 25
$90.0K
$74.0M
Q2 25
$15.0K
$72.8M
Q1 25
$14.0K
$55.3M
Q4 24
$1.0K
$34.6M
Q3 24
$3.0K
$61.9M
Q2 24
$5.0K
$75.3M
Q1 24
$28.0K
$65.3M
Net Profit
FDMT
FDMT
HDSN
HDSN
Q4 25
$19.4M
$-8.6M
Q3 25
$-56.9M
$12.4M
Q2 25
$-54.7M
$10.2M
Q1 25
$-48.0M
$2.8M
Q4 24
$-2.6M
Q3 24
$-43.8M
$7.8M
Q2 24
$-35.0M
$9.6M
Q1 24
$-32.4M
$9.6M
Gross Margin
FDMT
FDMT
HDSN
HDSN
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
FDMT
FDMT
HDSN
HDSN
Q4 25
17.3%
-25.2%
Q3 25
-67983.3%
18.9%
Q2 25
-396373.3%
17.5%
Q1 25
-383007.1%
5.6%
Q4 24
-9.4%
Q3 24
-1704400.0%
11.3%
Q2 24
-849120.0%
17.0%
Q1 24
-136200.0%
19.6%
Net Margin
FDMT
FDMT
HDSN
HDSN
Q4 25
22.8%
-19.4%
Q3 25
-63195.6%
16.7%
Q2 25
-364386.7%
14.0%
Q1 25
-342657.1%
5.0%
Q4 24
-7.4%
Q3 24
-1461433.3%
12.6%
Q2 24
-699060.0%
12.7%
Q1 24
-115717.9%
14.7%
EPS (diluted)
FDMT
FDMT
HDSN
HDSN
Q4 25
$0.43
$-0.19
Q3 25
$-1.01
$0.27
Q2 25
$-0.98
$0.23
Q1 25
$-0.86
$0.06
Q4 24
$-0.05
Q3 24
$-0.79
$0.17
Q2 24
$-0.63
$0.20
Q1 24
$-0.66
$0.20

Balance Sheet & Financial Strength

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

Metric
FDMT
FDMT
HDSN
HDSN
Cash + ST InvestmentsLiquidity on hand
$402.7M
$39.5M
Total DebtLower is stronger
Stockholders' EquityBook value
$505.7M
$243.4M
Total Assets
$566.7M
$318.6M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
FDMT
FDMT
HDSN
HDSN
Q4 25
$402.7M
$39.5M
Q3 25
$305.1M
$89.7M
Q2 25
$293.2M
$84.3M
Q1 25
$321.4M
$81.0M
Q4 24
$424.9M
$70.1M
Q3 24
$501.9M
$56.5M
Q2 24
$541.9M
$30.5M
Q1 24
$525.9M
$10.6M
Stockholders' Equity
FDMT
FDMT
HDSN
HDSN
Q4 25
$505.7M
$243.4M
Q3 25
$369.0M
$265.9M
Q2 25
$420.9M
$254.8M
Q1 25
$469.7M
$246.8M
Q4 24
$510.6M
$245.8M
Q3 24
$552.9M
$253.9M
Q2 24
$588.3M
$248.7M
Q1 24
$600.6M
$238.6M
Total Assets
FDMT
FDMT
HDSN
HDSN
Q4 25
$566.7M
$318.6M
Q3 25
$424.0M
$338.9M
Q2 25
$473.6M
$317.9M
Q1 25
$515.7M
$307.9M
Q4 24
$560.4M
$302.7M
Q3 24
$604.0M
$309.4M
Q2 24
$620.1M
$300.9M
Q1 24
$629.9M
$294.2M

Cash Flow & Capital Efficiency

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

Metric
FDMT
FDMT
HDSN
HDSN
Operating Cash FlowLast quarter
$28.6M
$-32.5M
Free Cash FlowOCF − Capex
$28.5M
$-33.7M
FCF MarginFCF / Revenue
33.5%
-75.8%
Capex IntensityCapex / Revenue
0.1%
2.5%
Cash ConversionOCF / Net Profit
1.47×
TTM Free Cash FlowTrailing 4 quarters
$-109.9M
$-8.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
FDMT
FDMT
HDSN
HDSN
Q4 25
$28.6M
$-32.5M
Q3 25
$-46.5M
$8.8M
Q2 25
$-43.4M
$6.4M
Q1 25
$-47.8M
$14.2M
Q4 24
$-134.6M
$20.7M
Q3 24
$-29.4M
$30.3M
Q2 24
$-30.2M
$41.8M
Q1 24
$-29.1M
$-933.0K
Free Cash Flow
FDMT
FDMT
HDSN
HDSN
Q4 25
$28.5M
$-33.7M
Q3 25
$-46.6M
$6.7M
Q2 25
$-43.4M
$5.9M
Q1 25
$-48.4M
$12.7M
Q4 24
$-138.4M
$19.2M
Q3 24
$-31.2M
$28.6M
Q2 24
$-30.6M
$40.6M
Q1 24
$-29.8M
$-1.9M
FCF Margin
FDMT
FDMT
HDSN
HDSN
Q4 25
33.5%
-75.8%
Q3 25
-51765.6%
9.1%
Q2 25
-289620.0%
8.2%
Q1 25
-345635.7%
23.0%
Q4 24
-13837100.0%
55.3%
Q3 24
-1038966.7%
46.2%
Q2 24
-611840.0%
54.0%
Q1 24
-106421.4%
-2.9%
Capex Intensity
FDMT
FDMT
HDSN
HDSN
Q4 25
0.1%
2.5%
Q3 25
101.1%
2.8%
Q2 25
440.0%
0.6%
Q1 25
4507.1%
2.5%
Q4 24
378600.0%
4.5%
Q3 24
59266.7%
2.7%
Q2 24
6980.0%
1.5%
Q1 24
2535.7%
1.5%
Cash Conversion
FDMT
FDMT
HDSN
HDSN
Q4 25
1.47×
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

FDMT
FDMT

Segment breakdown not available.

HDSN
HDSN

Products$43.1M97%
Services$1.3M3%

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