Roman DBDR Acquisition Corp. II: 5%+ holders

As of November 10, 2026, 6 holders' latest Schedule 13D or 13G filings report owning 5% or more of Roman DBDR Acquisition Corp. II. The largest reported stake is W. R. Berkley Corporation's, at 9.9%. 22 filings are on record since August 8, 2025 (Schedule 13G/A, August 5, 2026).

Kepos Capital LP also filed stake reports on 3 other companies ↓

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Key facts

• Filing 2026-08-14 · Reporting person: Highbridge Capital Management, LLC · Sole voting: 2,149,900 · Shared voting: 0 · Sole dispositive: 2,149,900 · Shared dispositive: 0 · SCHEDULE 13G/A, 2026-08-14
• Filing 2026-08-14 · Reporting person: AQR Capital Management, LLC · Sole voting: 0 · Shared voting: 1,179,039 · Sole dispositive: 0 · Shared dispositive: 1,179,039 · SCHEDULE 13G, 2026-08-14
• Filing 2026-08-14 · Reporting person: Aristeia Capital, L.L.C. · Sole voting: 1,034,023 · Shared voting: 0 · Sole dispositive: 1,034,023 · Shared dispositive: 0 · SCHEDULE 13G/A, 2026-08-14
• Filing 2026-08-14 · Reporting person: Fort Baker Capital Management LP · Sole voting: 0 · Shared voting: 0 · Sole dispositive: 0 · Shared dispositive: 0 · SCHEDULE 13G/A, 2026-08-14
• Filing 2026-08-13 · Reporting person: Mizuho Financial Group, Inc. · Sole voting: 1,571,027 · Shared voting: 0 · Sole dispositive: 1,571,027 · Shared dispositive: 0 · SCHEDULE 13G, 2026-08-13

Roman DBDR Acquisition Corp. II has 22 Schedule 13D or 13G filings on record since 2025-08-08. 6 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 Roman DBDR Acquisition Corp. II and the records around it.

Roman DBDR Acquisition Corp. II elsewhere on the record

• Leadership changes Jun 2026
• Who owns it

Companies that share a holder

• Kepos Capital LP also filed stake reports on 3 other companies: FACT II Acquisition Corp. (Nov 2025), GigCapital7 Corp. (Nov 2025)
• Fort Baker Capital Management LP also filed stake reports on 26 other companies: Agriculture & Natural Solutions Acquisition Corp (Aug 2026), Bleichroeder Acquisition Corp. II (Aug 2026), Cartesian Growth Corp III (Aug 2026)
• Sculptor Capital LP also filed stake reports on 40 other companies: Helix Acquisition Corp. III (Oct 2026), Live Oak Acquisition Corp. VI (Oct 2026), Amanat Acquisition Corp (Aug 2026)

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What the Full Report on Roman DBDR Acquisition Corp. II covers

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Voting and dispositive power, as filed

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The latest filing identifies Roman DBDR Acquisition Corp. II by CUSIP G7633M104 and gives its principal executive office as 9858 CLINT MOORE ROAD, SUITE 205, BOCA RATON, FL 33496 (SCHEDULE 13G/A, 2026-08-14).

Timeline

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Questions about who owns Roman DBDR Acquisition Corp. II

Who owns Roman DBDR Acquisition Corp. II?

On this page, 6 holders' latest ownership filings report 5% or more of Roman DBDR Acquisition Corp. II: W. R. Berkley Corporation (9.9%, Schedule 13G/A, filed 2026-08-05), Highbridge Capital Management, LLC (9.3%, Schedule 13G/A, filed 2026-08-14), Mizuho Financial Group, Inc. (6.8%, Schedule 13G, filed 2026-08-13), Glazer Capital, LLC (5.22%, Schedule 13G, filed 2026-08-13) and AQR Capital Management, LLC (5.13%, Schedule 13G, filed 2026-08-14); 1 more is listed above.

Who are the largest shareholders of Roman DBDR Acquisition Corp. II?

By the share each holder's latest filing reports, the largest holders of Roman DBDR Acquisition Corp. II on this page are W. R. Berkley Corporation (9.9%), Highbridge Capital Management, LLC (9.3%) and Mizuho Financial Group, Inc. (6.8%).

When did W. R. Berkley Corporation buy into Roman DBDR Acquisition Corp. II?

The filings give report dates, not purchase dates. The earliest filing from W. R. Berkley Corporation on this page is the Schedule 13G/A, filed 2026-08-05, reporting 9.9%. 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%); 22 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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