How many subsidiaries does Montauk Renewables, Inc. file with the SEC?

28, listed in its most recent exhibit 21. They are incorporated across 5 jurisdictions, led by Delaware, Pennsylvania, New Jersey. That exhibit is filed with the company's annual report and is the company's own list, not an estimate.

Is Montauk Renewables, Inc. financially healthy?

Montauk Renewables, Inc. scores 3 out of 8 on the Piotroski F-score. Only 8 of the nine tests could be computed from what it filed; the rest need a prior year it has not reported. Its Altman Z-score puts it in the grey zone. Every test and the numbers behind it are shown above, so the arithmetic is checkable rather than something you have to take on trust.

Who are the largest institutional holders of Montauk Renewables, Inc.?

Among the managers tracked here, the biggest positions as of the 2026-Q2 13F filings are BlackRock, Inc. (adding), GEODE CAPITAL MANAGEMENT, LLC (adding), STATE STREET CORP (adding). Direction is the change in share count against that manager's own previous filing; managers with no prior filing are left out rather than counted as new buyers.

Montauk Renewables, Inc. (MNTK)

Nasdaq · Common Stock · Gas & Other Services Combined

One email a week from me: what it filed, which 13F holders added or cut, where its scores stand. Free.

Corporate structure

28 entities across 5 jurisdictions. Read directly from the company’s own 10-K EX-21 filed 2026-03-11 — see the exhibit.

Which other public companies file entities in the same places:

Delaware24 Pennsylvania1 New Jersey1 North Carolina1 Idaho1

Subsidiaries of Montauk Renewables, Inc. as disclosed in its SEC filing
Entity	Jurisdiction	Note
Apex LFG Energy, LLC	Delaware
Blue Granite LFG, LLC	Delaware
Bowerman Power LFG, LLC	Delaware
Galveston LFG, LLC	Delaware
GSF Energy, L.L.C.	Delaware
Johnstown LFG Holdings, Inc.	Delaware
Johnstown Regional Energy, LLC	Pennsylvania
Magnolia Ag, LLC	Delaware
MEDC, LLC	Delaware
MH Energy, LLC	Delaware
MH Energy (GP), LLC	Delaware

Financial health

Two standard screens, computed from the XBRL in FY2025 against FY2024. Every test shows the numbers behind it — a score with its inputs hidden is a number you cannot check.

Piotroski F-score

3 / 8

PASSReturn on assets positiveROA 0.4%
PASSOperating cash flow positiveOCF 30M
FAILReturn on assets improving2.8% → 0.4%
PASSCash flow exceeds earningsOCF 30M vs NI 2M
FAILLong-term debt ratio falling12.5% → 28.9% of assets
FAILCurrent ratio improving1.71 → 1.11
FAILNo share dilution142M → 143M shares
FAILGross margin improvingno gross profit reported
FAILAsset turnover improving0.50× → 0.41×

Altman Z-score

1.86grey

Bankruptcy-risk screen combining working capital, retained earnings, operating income, market value against liabilities, and asset turnover. Above 2.99 is the safe zone; below 1.81 is distress.

Six-year record

Year	Revenue	Net income	Free cash flow	Gross margin	Shares
FY2020	$100.4M	$4.6M	$11.0M	25.0%	—
FY2021	$148.1M	−$4.5M	$32.9M	17.2%	141,015,213
FY2022	$213.4M	$35.2M	$58.8M	30.8%	142,579,389
FY2023	$174.9M	$14.9M	−$22.0M	25.9%	142,151,640
FY2024	$175.7M	$9.7M	−$18.5M	—	142,397,493
FY2025

Ownership flow

11 institutions tracked — 7 added, 2 reduced, 1 opened a new position, 1 sold out.

Institutional holders of Montauk Renewables, Inc. and their share-count change
Manager	Kind	Shares	Change	Value
BlackRock, Inc.	Index	4,709,893	+490,896	$7.3M
AQR CAPITAL MANAGEMENT LLC	Hedge fund	238,152	+199,801	$371,517
GEODE CAPITAL MANAGEMENT, LLC	Index	1,879,292	+120,014	$2.9M
JPMORGAN CHASE & CO	Active fund	270,982	+108,730

Identity

CIK: 0001826600
LEI: 549300I1AHR8KMMFIS52
FIGI: BBG00YHYK2C2
SIC: 4932 · Gas & Other Services Combined
Incorporated: DE
Headquarters: PITTSBURGH, PA

Ownership

Institutional: 19.1%
Institutions: 140
Insiders: 70.1%

Ownership percentages are a vendor aggregate, not a filing — unlike everything else on this page.

Other gas & other services combined companies

Montauk Renewables, Inc. files under SIC 4932 — all 3 gas & other services combined companies compared on assets and F-score.

UGI CORP /PA/UGI OPAL Fuels Inc.OPAL

Questions about Montauk Renewables, Inc.

How many subsidiaries does Montauk Renewables, Inc. file with the SEC?: 28, listed in its most recent exhibit 21. They are incorporated across 5 jurisdictions, led by Delaware, Pennsylvania, New Jersey. That exhibit is filed with the company's annual report and is the company's own list, not an estimate.
Is Montauk Renewables, Inc. financially healthy?: Montauk Renewables, Inc. scores 3 out of 8 on the Piotroski F-score. Only 8 of the nine tests could be computed from what it filed; the rest need a prior year it has not reported. Its Altman Z-score puts it in the grey zone. Every test and the numbers behind it are shown above, so the arithmetic is checkable rather than something you have to take on trust.
Who are the largest institutional holders of Montauk Renewables, Inc.?: Among the managers tracked here, the biggest positions as of the 2026-Q2 13F filings are BlackRock, Inc. (adding), GEODE CAPITAL MANAGEMENT, LLC (adding), STATE STREET CORP (adding). Direction is the change in share count against that manager's own previous filing; managers with no prior filing are left out rather than counted as new buyers.

This page is one panel of the terminal

The structure map above is the Corporate Blueprint, and in the desktop it is interactive — click any entity to re-centre the map on it and walk the ownership chain. It sits alongside the screener, the scorecard and the filings lab on one desk, on your machine.

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Sourced from SEC EDGAR primary filings. Figures are as reported by the company and are not investment advice. Scores are standard published screens computed from those filings; every input is shown above so you can check the arithmetic.