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Side-by-side financial comparison of 4D Molecular Therapeutics, Inc. (FDMT) and LandBridge Co LLC (LB). 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 $56.8M, roughly 1.5× LandBridge Co LLC). 4D Molecular Therapeutics, Inc. runs the higher net margin — 22.8% vs 14.2%, a 8.6% gap on every dollar of revenue. On growth, 4D Molecular Therapeutics, Inc. posted the faster year-over-year revenue change (8508900.0% vs 55.6%). LandBridge Co LLC produced more free cash flow last quarter ($122.0M vs $28.5M). Over the past eight quarters, 4D Molecular Therapeutics, Inc.'s revenue compounded faster (5412.6% CAGR vs 72.8%).

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.

FDMT vs LB — Head-to-Head

Bigger by revenue
FDMT
FDMT
1.5× larger
FDMT
$85.1M
$56.8M
LB
Growing faster (revenue YoY)
FDMT
FDMT
+8508844.4% gap
FDMT
8508900.0%
55.6%
LB
Higher net margin
FDMT
FDMT
8.6% more per $
FDMT
22.8%
14.2%
LB
More free cash flow
LB
LB
$93.6M more FCF
LB
$122.0M
$28.5M
FDMT
Faster 2-yr revenue CAGR
FDMT
FDMT
Annualised
FDMT
5412.6%
72.8%
LB

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
FDMT
FDMT
LB
LB
Revenue
$85.1M
$56.8M
Net Profit
$19.4M
$8.1M
Gross Margin
Operating Margin
17.3%
60.0%
Net Margin
22.8%
14.2%
Revenue YoY
8508900.0%
55.6%
Net Profit YoY
139.1%
-83.7%
EPS (diluted)
$0.43
$0.24

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
LB
LB
Q4 25
$85.1M
$56.8M
Q3 25
$90.0K
$50.8M
Q2 25
$15.0K
$47.5M
Q1 25
$14.0K
$44.0M
Q4 24
$1.0K
$36.5M
Q3 24
$3.0K
$28.5M
Q2 24
$5.0K
$26.0M
Q1 24
$28.0K
$19.0M
Net Profit
FDMT
FDMT
LB
LB
Q4 25
$19.4M
$8.1M
Q3 25
$-56.9M
$8.1M
Q2 25
$-54.7M
$7.5M
Q1 25
$-48.0M
$6.5M
Q4 24
$49.3M
Q3 24
$-43.8M
$2.7M
Q2 24
$-35.0M
$-57.7M
Q1 24
$-32.4M
$10.8M
Operating Margin
FDMT
FDMT
LB
LB
Q4 25
17.3%
60.0%
Q3 25
-67983.3%
60.8%
Q2 25
-396373.3%
60.0%
Q1 25
-383007.1%
57.0%
Q4 24
49.4%
Q3 24
-1704400.0%
11.2%
Q2 24
-849120.0%
-197.4%
Q1 24
-136200.0%
71.1%
Net Margin
FDMT
FDMT
LB
LB
Q4 25
22.8%
14.2%
Q3 25
-63195.6%
15.9%
Q2 25
-364386.7%
15.8%
Q1 25
-342657.1%
14.7%
Q4 24
135.2%
Q3 24
-1461433.3%
9.3%
Q2 24
-699060.0%
-222.1%
Q1 24
-115717.9%
56.7%
EPS (diluted)
FDMT
FDMT
LB
LB
Q4 25
$0.43
$0.24
Q3 25
$-1.01
$0.26
Q2 25
$-0.98
$0.24
Q1 25
$-0.86
$0.20
Q4 24
Q3 24
$-0.79
$-0.04
Q2 24
$-0.63
Q1 24
$-0.66

Balance Sheet & Financial Strength

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

Metric
FDMT
FDMT
LB
LB
Cash + ST InvestmentsLiquidity on hand
$402.7M
$30.7M
Total DebtLower is stronger
$570.7M
Stockholders' EquityBook value
$505.7M
$340.3M
Total Assets
$566.7M
$1.4B
Debt / EquityLower = less leverage
1.68×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
FDMT
FDMT
LB
LB
Q4 25
$402.7M
$30.7M
Q3 25
$305.1M
$28.3M
Q2 25
$293.2M
$20.3M
Q1 25
$321.4M
$14.9M
Q4 24
$424.9M
$37.0M
Q3 24
$501.9M
$14.4M
Q2 24
$541.9M
$24.6M
Q1 24
$525.9M
Total Debt
FDMT
FDMT
LB
LB
Q4 25
$570.7M
Q3 25
$366.1M
Q2 25
$370.9M
Q1 25
$375.5M
Q4 24
$385.5M
Q3 24
$242.4M
Q2 24
$360.8M
Q1 24
Stockholders' Equity
FDMT
FDMT
LB
LB
Q4 25
$505.7M
$340.3M
Q3 25
$369.0M
$272.0M
Q2 25
$420.9M
$266.4M
Q1 25
$469.7M
$217.0M
Q4 24
$510.6M
$211.8M
Q3 24
$552.9M
$97.2M
Q2 24
$588.3M
$296.4M
Q1 24
$600.6M
$162.3M
Total Assets
FDMT
FDMT
LB
LB
Q4 25
$566.7M
$1.4B
Q3 25
$424.0M
$1.1B
Q2 25
$473.6M
$1.1B
Q1 25
$515.7M
$1.0B
Q4 24
$560.4M
$1.0B
Q3 24
$604.0M
$689.9M
Q2 24
$620.1M
$710.5M
Q1 24
$629.9M
Debt / Equity
FDMT
FDMT
LB
LB
Q4 25
1.68×
Q3 25
1.35×
Q2 25
1.39×
Q1 25
1.73×
Q4 24
1.82×
Q3 24
2.49×
Q2 24
1.22×
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
FDMT
FDMT
LB
LB
Operating Cash FlowLast quarter
$28.6M
$126.3M
Free Cash FlowOCF − Capex
$28.5M
$122.0M
FCF MarginFCF / Revenue
33.5%
214.9%
Capex IntensityCapex / Revenue
0.1%
7.5%
Cash ConversionOCF / Net Profit
1.47×
15.68×
TTM Free Cash FlowTrailing 4 quarters
$-109.9M
$207.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
FDMT
FDMT
LB
LB
Q4 25
$28.6M
$126.3M
Q3 25
$-46.5M
$34.9M
Q2 25
$-43.4M
$37.3M
Q1 25
$-47.8M
$15.9M
Q4 24
$-134.6M
$67.6M
Q3 24
$-29.4M
$7.5M
Q2 24
$-30.2M
$16.0M
Q1 24
$-29.1M
$17.2M
Free Cash Flow
FDMT
FDMT
LB
LB
Q4 25
$28.5M
$122.0M
Q3 25
$-46.6M
$33.7M
Q2 25
$-43.4M
$36.1M
Q1 25
$-48.4M
$15.8M
Q4 24
$-138.4M
$66.7M
Q3 24
$-31.2M
$7.1M
Q2 24
$-30.6M
$15.7M
Q1 24
$-29.8M
$17.1M
FCF Margin
FDMT
FDMT
LB
LB
Q4 25
33.5%
214.9%
Q3 25
-51765.6%
66.3%
Q2 25
-289620.0%
75.9%
Q1 25
-345635.7%
36.0%
Q4 24
-13837100.0%
182.6%
Q3 24
-1038966.7%
25.1%
Q2 24
-611840.0%
60.4%
Q1 24
-106421.4%
90.1%
Capex Intensity
FDMT
FDMT
LB
LB
Q4 25
0.1%
7.5%
Q3 25
101.1%
2.3%
Q2 25
440.0%
2.6%
Q1 25
4507.1%
0.2%
Q4 24
378600.0%
2.7%
Q3 24
59266.7%
1.1%
Q2 24
6980.0%
1.4%
Q1 24
2535.7%
0.5%
Cash Conversion
FDMT
FDMT
LB
LB
Q4 25
1.47×
15.68×
Q3 25
4.31×
Q2 25
4.98×
Q1 25
2.46×
Q4 24
1.37×
Q3 24
2.80×
Q2 24
Q1 24
1.60×

Financial Flow Comparison

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

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