OPAL Fuels Inc. (OPAL)

Corporate structure

125 entities across 5 jurisdictions. Read directly from the company’s own 10-K EX-21 filed 2026-03-16 — see the exhibit.

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.

Six-year record

Ownership flow

10 institutions tracked — 6 added, 2 reduced, 2 sold out.

From 13F filings, which cover institutions managing over $100m and are filed up to 45 days after the quarter ends — so this is a considered position, not a live one, and it is not the whole shareholder register.

Other gas & other services combined companies

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

Questions about OPAL Fuels Inc.

How many subsidiaries does OPAL Fuels Inc. file with the SEC?

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

Is OPAL Fuels Inc. financially healthy?

OPAL Fuels Inc. scores 6 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. 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 OPAL Fuels 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.