
Is Montauk Renewables (MNTK) stock Halal?
Under AAOIFI Shariah Standard No. 21, a Halal stock keeps non-permissible income below 5% of revenue and interest-bearing debt and investments each below 30% of market capitalisation. Montauk Renewables, Inc. (MNTK) does not meet the threshold for the interest-bearing debt screen as of September 2026, so it is not Shariah compliant.
Montauk Renewables is a renewable energy company primarily focused on the recovery and processing of methane from landfill sites to generate natural gas. This waste-to-energy approach highlights the company's commitment to sustainability and reducing carbon emissions, transforming waste products into reliable energy resources. Montauk's operations span across the United States, where the company works closely with landfill operators to capture and convert biogas into renewable natural gas (RNG) and electricity. For Muslim investors, though, the most pressing question is simpler: is Montauk Renewables a Halal investment?
Is Montauk Renewables Shariah compliant?
Extracting and selling oil, gas or materials is a permissible business, so companies like Montauk Renewables rarely stumble on the activity screen. The pressure point is capital structure: energy is a capital hungry industry that borrows heavily, and AAOIFI Shariah Standard No. 21 caps interest bearing debt at 30% of market capitalisation, a line that moves as commodity cycles move the share price.
Does Montauk Renewables pass the business activity test?
The activity screen is only part of the picture this month: Montauk Renewables currently fails the interest-bearing debt screen, so the overall verdict is not compliant regardless of the business itself. The activity itself, extracting and selling resources, raises no Shariah objection; the scrutiny belongs to the financing.
Is Montauk Renewables' income Halal?
Yes, within AAOIFI's tolerance. Montauk Renewables' income from non-permissible sources stays below 5% of revenue in the September 2026 screening.
Does Montauk Renewables meet AAOIFI's debt and investment ratio requirements?
Not in full. Interest bearing debt currently exceeds the 30% cap, while the other ratio stays within it. One breach is enough to fail the screening; the ratios are reassessed monthly under our Shariah Supervisory Board.
Tabadulat is an ADGM regulated brokerage whose license covers Shari'a Compliant Regulated Activities, as the FSRA permission names them. New to the terminology? Gharar and Maysir, Sukuk, Zakat and purification are all explained in plain English.
New to the four screens? Read AAOIFI Standards Explained: What Makes a Stock Halal?



