ONE Nuclear Energy Inc. (f/k/a Hennessy Capital Investment Corp. VII): 5%+ holders

ONE Nuclear Energy Inc. (f/k/a Hennessy Capital Investment Corp. VII) has 18 Schedule 13D or 13G filings on record since 2025-08-13. 7 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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What the Full Report on ONE Nuclear Energy Inc. (f/k/a Hennessy Capital Investment Corp. VII) covers

1. The Short Answer

2. Which Company This Is

3. What They Do, And How The Money Works

4. Who Runs It, And How To Reach Them

5. The Money: Funding, Valuation, Runway

6. Who Pays Them, And Who They Are Up Against

7. Warning Bells

8. Sources

   18 cited sources found

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Purpose of Transaction (Item 4)

NCCS Management, LLC

The Fund acquired the securities reported herein pursuant the Forward Purchase Agreement, entered into for the purpose of acting as a potential financing pathway for the Issuer. The information set forth in Items 3, 5 and 6 of this Statement is incorporated by reference into this Item 4. Except as set forth in this Statement, the Reporting Persons have no present plans or proposals that relate to or would result in any of the actions described in subparagraphs (a) through (j) of Item 4 of Schedule 13D. Notwithstanding the foregoing, the Reporting Persons may determine, from time to time in the future, based on market and general economic conditions, the business affairs and financial conditions of the Issuer, the capital requirements of the Fund (or other Reporting Persons), the availability of securities at favorable prices and other alternative investment opportunities available to the Reporting Persons, and other factors that the Reporting Persons may deem relevant, to acquire additional shares of Common Stock and/or other equity, debt, notes, instruments or other securities of the Issuer (collectively, "Securities") in the open market, in privately negotiated transactions, or otherwise, or to sell some or all of the Securities they now hold or hereafter acquire as set forth above or otherwise. The Reporting Persons reserve the right to change their intention with respect to, and pursue plans or proposals that relate to or could result in, any and all matters referred to …The first part of Item 4 of the SCHEDULE 13D filed 2026-09-30; the filing has the rest

Timeline

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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