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Side-by-side financial comparison of Montauk Renewables, Inc. (MNTK) and REGENXBIO Inc. (RGNX). Click either name above to swap in a different company.

Montauk Renewables, Inc. is the larger business by last-quarter revenue ($43.4M vs $30.3M, roughly 1.4× REGENXBIO Inc.). Montauk Renewables, Inc. runs the higher net margin — 5.7% vs -221.3%, a 227.1% gap on every dollar of revenue. On growth, Montauk Renewables, Inc. posted the faster year-over-year revenue change (56.7% vs 43.0%). Montauk Renewables, Inc. produced more free cash flow last quarter ($-41.1M vs $-52.8M). Over the past eight quarters, REGENXBIO Inc.'s revenue compounded faster (39.4% CAGR vs 5.8%).

Montauk Renewables, Inc. is a US-based renewable energy firm specializing in capturing and converting biogenic methane from landfills and agricultural waste into renewable natural gas (RNG) and low-carbon electricity. It serves utility, commercial, and industrial customers across North America, with operations focused on advancing decarbonization and sustainable energy transition goals.

REGENXBIO Inc. is a clinical-stage biotechnology firm focused on gene therapy for rare severe genetic diseases. It licenses its proprietary AAV vector technology to global biopharma partners, and advances its own pipeline targeting ophthalmology, metabolic and neurodegenerative disorders.

MNTK vs RGNX — Head-to-Head

Bigger by revenue
MNTK
MNTK
1.4× larger
MNTK
$43.4M
$30.3M
RGNX
Growing faster (revenue YoY)
MNTK
MNTK
+13.7% gap
MNTK
56.7%
43.0%
RGNX
Higher net margin
MNTK
MNTK
227.1% more per $
MNTK
5.7%
-221.3%
RGNX
More free cash flow
MNTK
MNTK
$11.7M more FCF
MNTK
$-41.1M
$-52.8M
RGNX
Faster 2-yr revenue CAGR
RGNX
RGNX
Annualised
RGNX
39.4%
5.8%
MNTK

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
MNTK
MNTK
RGNX
RGNX
Revenue
$43.4M
$30.3M
Net Profit
$2.5M
$-67.1M
Gross Margin
Operating Margin
-3.8%
-190.0%
Net Margin
5.7%
-221.3%
Revenue YoY
56.7%
43.0%
Net Profit YoY
129.5%
-31.2%
EPS (diluted)
$0.01
$-1.30

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
MNTK
MNTK
RGNX
RGNX
Q4 25
$43.4M
$30.3M
Q3 25
$45.3M
$29.7M
Q2 25
$45.1M
$21.4M
Q1 25
$42.6M
$89.0M
Q4 24
$27.7M
$21.2M
Q3 24
$65.9M
$24.2M
Q2 24
$43.3M
$22.3M
Q1 24
$38.8M
$15.6M
Net Profit
MNTK
MNTK
RGNX
RGNX
Q4 25
$2.5M
$-67.1M
Q3 25
$5.2M
$-61.9M
Q2 25
$-5.5M
$-70.9M
Q1 25
$-464.0K
$6.1M
Q4 24
$-8.5M
$-51.2M
Q3 24
$17.0M
$-59.6M
Q2 24
$-712.0K
$-53.0M
Q1 24
$1.9M
$-63.3M
Gross Margin
MNTK
MNTK
RGNX
RGNX
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
70.2%
Q3 24
43.8%
48.8%
Q2 24
15.6%
52.5%
Q1 24
22.8%
72.6%
Operating Margin
MNTK
MNTK
RGNX
RGNX
Q4 25
-3.8%
-190.0%
Q3 25
9.8%
-176.3%
Q2 25
-5.2%
-296.3%
Q1 25
1.0%
13.6%
Q4 24
-35.5%
-242.1%
Q3 24
34.4%
-256.6%
Q2 24
2.0%
-251.3%
Q1 24
6.1%
-408.8%
Net Margin
MNTK
MNTK
RGNX
RGNX
Q4 25
5.7%
-221.3%
Q3 25
11.5%
-208.3%
Q2 25
-12.2%
-331.8%
Q1 25
-1.1%
6.8%
Q4 24
-30.5%
-241.3%
Q3 24
25.9%
-246.3%
Q2 24
-1.6%
-237.7%
Q1 24
4.8%
-405.4%
EPS (diluted)
MNTK
MNTK
RGNX
RGNX
Q4 25
$0.01
$-1.30
Q3 25
$0.04
$-1.20
Q2 25
$-0.04
$-1.38
Q1 25
$0.00
$0.12
Q4 24
$-0.05
$-0.99
Q3 24
$0.12
$-1.17
Q2 24
$-0.01
$-1.05
Q1 24
$0.01
$-1.38

Balance Sheet & Financial Strength

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

Metric
MNTK
MNTK
RGNX
RGNX
Cash + ST InvestmentsLiquidity on hand
$23.8M
$230.1M
Total DebtLower is stronger
$126.0M
Stockholders' EquityBook value
$263.1M
$102.7M
Total Assets
$435.5M
$453.0M
Debt / EquityLower = less leverage
0.48×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MNTK
MNTK
RGNX
RGNX
Q4 25
$23.8M
$230.1M
Q3 25
$6.8M
$274.2M
Q2 25
$29.1M
$323.3M
Q1 25
$40.1M
$267.9M
Q4 24
$45.6M
$234.7M
Q3 24
$55.0M
$255.5M
Q2 24
$42.3M
$290.4M
Q1 24
$63.3M
$338.7M
Total Debt
MNTK
MNTK
RGNX
RGNX
Q4 25
$126.0M
Q3 25
$54.9M
Q2 25
$57.8M
Q1 25
$40.8M
Q4 24
$43.8M
Q3 24
$46.7M
Q2 24
$49.7M
Q1 24
$52.7M
Stockholders' Equity
MNTK
MNTK
RGNX
RGNX
Q4 25
$263.1M
$102.7M
Q3 25
$260.7M
$161.5M
Q2 25
$254.7M
$213.7M
Q1 25
$258.2M
$274.2M
Q4 24
$257.4M
$259.7M
Q3 24
$275.3M
$301.4M
Q2 24
$255.3M
$348.3M
Q1 24
$254.3M
$390.7M
Total Assets
MNTK
MNTK
RGNX
RGNX
Q4 25
$435.5M
$453.0M
Q3 25
$383.3M
$525.2M
Q2 25
$382.5M
$581.0M
Q1 25
$354.2M
$490.9M
Q4 24
$349.0M
$466.0M
Q3 24
$374.1M
$519.1M
Q2 24
$362.0M
$569.4M
Q1 24
$354.7M
$629.2M
Debt / Equity
MNTK
MNTK
RGNX
RGNX
Q4 25
0.48×
Q3 25
0.21×
Q2 25
0.23×
Q1 25
0.16×
Q4 24
0.17×
Q3 24
0.17×
Q2 24
0.19×
Q1 24
0.21×

Cash Flow & Capital Efficiency

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

Metric
MNTK
MNTK
RGNX
RGNX
Operating Cash FlowLast quarter
$337.0K
$-52.3M
Free Cash FlowOCF − Capex
$-41.1M
$-52.8M
FCF MarginFCF / Revenue
-94.7%
-174.0%
Capex IntensityCapex / Revenue
95.5%
1.7%
Cash ConversionOCF / Net Profit
0.14×
TTM Free Cash FlowTrailing 4 quarters
$-86.2M
$-126.4M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MNTK
MNTK
RGNX
RGNX
Q4 25
$337.0K
$-52.3M
Q3 25
$12.7M
$-56.0M
Q2 25
$8.2M
$-49.3M
Q1 25
$9.1M
$33.6M
Q4 24
$724.0K
$-31.6M
Q3 24
$28.6M
$-40.5M
Q2 24
$193.0K
$-45.5M
Q1 24
$14.3M
$-55.5M
Free Cash Flow
MNTK
MNTK
RGNX
RGNX
Q4 25
$-41.1M
$-52.8M
Q3 25
$-17.2M
$-56.5M
Q2 25
$-25.5M
$-49.7M
Q1 25
$-2.5M
$32.6M
Q4 24
$-8.3M
$-32.7M
Q3 24
$16.0M
$-40.9M
Q2 24
$-18.6M
$-46.0M
Q1 24
$-7.7M
$-56.0M
FCF Margin
MNTK
MNTK
RGNX
RGNX
Q4 25
-94.7%
-174.0%
Q3 25
-37.9%
-189.9%
Q2 25
-56.4%
-232.8%
Q1 25
-5.8%
36.6%
Q4 24
-29.8%
-154.2%
Q3 24
24.3%
-168.9%
Q2 24
-42.9%
-206.2%
Q1 24
-19.8%
-358.5%
Capex Intensity
MNTK
MNTK
RGNX
RGNX
Q4 25
95.5%
1.7%
Q3 25
65.9%
1.7%
Q2 25
74.6%
1.8%
Q1 25
27.3%
1.2%
Q4 24
32.5%
5.1%
Q3 24
19.1%
1.3%
Q2 24
43.3%
2.1%
Q1 24
56.7%
3.6%
Cash Conversion
MNTK
MNTK
RGNX
RGNX
Q4 25
0.14×
Q3 25
2.43×
Q2 25
Q1 25
5.53×
Q4 24
Q3 24
1.68×
Q2 24
Q1 24
7.73×

Financial Flow Comparison

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

Revenue Breakdown by Segment

MNTK
MNTK

Natural Gas Environmental Attributes$28.1M65%
Natural Gas Commodity$10.7M25%
Electric Commodity$2.7M6%
Electric Environmental Attributes$2.0M5%

RGNX
RGNX

Novartis Gene Therapies$24.2M80%
Nippon Shinyaku Collaboration And License Agreement$4.3M14%
Nippon Shinyaku Services$1.4M5%

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