Hennessy Capital Investment Corp. VIII: 5%+ holders

As of November 6, 2026, 2 holders' latest Schedule 13D or 13G filings report owning 5% or more of Hennessy Capital Investment Corp. VIII. The largest reported stake is Hennessy Thomas D's, at 31.2%. 2 filings are on record since May 12, 2026 (Schedule 13G, May 12, 2026).

Adage Capital Management, L.P. also filed stake reports on 136 other companies ↓

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Hennessy Capital Investment Corp. VIII has 2 Schedule 13D or 13G filings on record since 2026-05-12. 2 holders' latest filing reports 5% or more of class a ordinary shares, 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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More on Hennessy Capital Investment Corp. VIII and the records around it.

Companies that share a holder

• Adage Capital Management, L.P. also filed stake reports on 136 other companies: ACP Holdings Acquisition Corp. (Aug 2026), AmperCap Acquisition Company (Aug 2026), Aura Biosciences, Inc. (Aug 2026)

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Voting and dispositive power, as filed

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The latest filing identifies Hennessy Capital Investment Corp. VIII by CUSIP G44055104 and gives its principal executive office as 195 US Hwy 50, Suite 207, Zephyr Cove, NV 89448 (SCHEDULE 13G, 2026-05-13).

What the percentages are based on

As of March 31, 2026, each of HC VIII Sponsor LLC, Hennessy Capital Group LLC, and Daniel J. Hennessy may be deemed the beneficial owner of approximately 29.7% of the Class A Ordinary Shares outstanding.Hennessy Thomas D, SCHEDULE 13G, 2026-05-12

Timeline

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Questions about who owns Hennessy Capital Investment Corp. VIII

Who owns Hennessy Capital Investment Corp. VIII?

On this page, 2 holders' latest ownership filings report 5% or more of Hennessy Capital Investment Corp. VIII: Hennessy Thomas D (31.2%, Schedule 13G, filed 2026-05-12) and Adage Capital Management, L.P. (7.61%, Schedule 13G, filed 2026-05-13).

Who are the largest shareholders of Hennessy Capital Investment Corp. VIII?

By the share each holder's latest filing reports, the largest holders of Hennessy Capital Investment Corp. VIII on this page are Hennessy Thomas D (31.2%) and Adage Capital Management, L.P. (7.61%).

When did Hennessy Thomas D buy into Hennessy Capital Investment Corp. VIII?

The filings give report dates, not purchase dates. The earliest filing from Hennessy Thomas D on this page is the Schedule 13G, filed 2026-05-12, reporting 31.2%.

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%); 2 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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