NextDecade Corp: 5%+ holders

As of November 10, 2026, 2 holders' latest Schedule 13D or 13G filings report owning 5% or more of NextDecade Corp. The largest reported stake is Hgc Next Inv LLC's, at 9.7%. 4 filings are on record since November 20, 2025 (Schedule 13D/A, December 11, 2025).

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Key facts

• Filing 2026-06-10 · Reporting person: Gasc Gp, LLC · Sole voting: 0 · Shared voting: 16,658,563 · Sole dispositive: 0 · Shared dispositive: 16,658,563 · SCHEDULE 13D, 2026-06-10
• Filed 2026-03-24 · Holder: Gasc Gp, LLC · Percent: 6% · SCHEDULE 13G
• Filed 2025-12-11 · Holder: Hgc Next Inv LLC · Percent: 9.7% · SCHEDULE 13D/A
• Filed 2025-11-20 · Holder: Hgc Next Inv LLC · Percent: 8.8% · SCHEDULE 13D/A

NextDecade Corp has 4 Schedule 13D or 13G filings on record since 2025-11-20. 2 holders' latest filing reports 5% or more of common stock, par value $0.0001 per share. Each figure below is the holder's own, as filed, with the filing linked.

Holders

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Voting and dispositive power, as filed

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The latest filing identifies NextDecade Corp by CUSIP 65342K105 and gives its principal executive office as 1000 Louisiana Street, Suite 3300, Houston, TX 77002 (SCHEDULE 13D, 2026-06-10).

Source of funds (Item 3)

On November 17, 2025, AP Master Fund II, Rio Grande LNG Super Holdings, LLC ("Super Holdings"), the Company and certain financial institutions party to the agreement as lenders entered into an amended and restated credit agreement (the "Credit Agreement"). The Credit Agreement amended and restated that certain credit agreement, dated December 31, 2024, among Super Holdings, AP Master Fund II and certain financial institutions party to the agreement as lenders (as amended on May 14, 2025, the "Original Credit Agreement").GAP Holdings GP, LLC, SCHEDULE 13D, 2026-06-10

Purpose of Transaction (Item 4)

Hgc Next Inv LLC

Item 4 of this Schedule 13D is hereby supplemented by the following: The information in Item 3 of this Schedule 13D is incorporated herein by reference.Item 4 of the SCHEDULE 13D/A filed 2025-12-11

GAP Holdings GP, LLC

The Reporting Persons extended the Convertible Loans and acquired the Warrants reported herein for investment purposes. Consistent with such purposes, the Reporting Persons may engage in communications with, without limitation, one or more shareholders of the Company, management of the Company, one or more members of the board of directors of the Company, and may make suggestions concerning the Company's operations, prospects, business and financial strategies, strategic transactions, assets and liabilities, business and financing alternatives, the composition of the board of directors of the Company and such other matters as the Reporting Persons may deem relevant to their investment in the common stock. The Reporting Persons expect that they will, from time to time, review their investment position in the common stock or the Company and may, depending on the Company's performance and other market conditions, increase or decrease their investment position in the common stock. The Reporting Persons may, from time to time, make additional purchases of common stock either in the open market or in privately-negotiated transactions, depending upon the Reporting Persons' evaluation of the Company's business, prospects and financial condition, the market for the common stock, other opportunities available to the Reporting Persons, general economic conditions, stock market conditions and other factors. Depending upon the factors noted above, the Reporting Persons may also decide to …The first part of Item 4 of the SCHEDULE 13D filed 2026-06-10; the filing has the rest

Timeline

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Questions about who owns NextDecade Corp

Who owns NextDecade Corp?

On this page, 2 holders' latest ownership filings report 5% or more of NextDecade Corp: Hgc Next Inv LLC (9.7%, Schedule 13D/A, filed 2025-12-11) and GAP Holdings GP, LLC (5.9%, Schedule 13D, filed 2026-06-10).

Who are the largest shareholders of NextDecade Corp?

By the share each holder's latest filing reports, the largest holders of NextDecade Corp on this page are Hgc Next Inv LLC (9.7%) and GAP Holdings GP, LLC (5.9%).

When did Hgc Next Inv LLC buy into NextDecade Corp?

The filings give report dates, not purchase dates. The earliest filing from Hgc Next Inv LLC on this page is the Schedule 13D/A, filed 2025-11-20, reporting 8.8%; its latest, Schedule 13D/A filed 2025-12-11, reports 9.7%. That earliest filing is itself an amendment, which updates an earlier report.

Is this an audit or a full list?

Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 4 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.

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Where this comes from

Anyone who comes to own more than 5% of a class of a listed company's voting shares has to tell the SEC. A holder who may seek to change or influence the company files Schedule 13D, and has to say in Item 4, "Purpose of Transaction", what it intends to do. A holder with no such intent, such as many index and passive funds, may file the shorter Schedule 13G. Both are amended when the stake changes, including when it falls below 5%.

Every row here is one of those filings, linked to the filing itself. Percentages and share counts are exactly as the holder filed them, for the holder the filing names; an amendment showing a lower figure is shown as filed. Item 4 text is quoted word for word. Where a 13D's Item 4 contains a sentence stating a definite intent to influence the company, that sentence is marked and quoted; the page does not describe the holder or its motives beyond the words it filed. Nothing here is investment advice.

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