Blue Acquisition Corp.: 5%+ holders

As of November 10, 2026, 4 holders' latest Schedule 13D or 13G filings report owning 5% or more of Blue Acquisition Corp. The largest reported stake is Blue Holdings Sponsor LLC's, at 25.61%. 15 filings are on record since August 8, 2025 (Schedule 13D/A, June 18, 2026).

SONA ASSET MANAGEMENT (US) LLC also filed stake reports on 2 other companies ↓

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Key facts

• Filing 2026-11-06 · Reporting person: Sona Asset Management (Us) LLC · Sole voting: 0 · Shared voting: 0 · Sole dispositive: 0 · Shared dispositive: 0 · SCHEDULE 13G/A, 2026-11-06
• Filing 2026-09-04 · Reporting person: Magnetar Financial LLC · Sole voting: 0 · Shared voting: 0 · Sole dispositive: 0 · Shared dispositive: 0 · SCHEDULE 13G/A, 2026-09-04
• Filing 2026-08-14 · Reporting person: Tenor Capital Management Company, L.P. · Sole voting: 0 · Shared voting: 1,747,389 · Sole dispositive: 0 · Shared dispositive: 1,747,389 · SCHEDULE 13G/A, 2026-08-14
• Filing 2026-08-14 · Reporting person: Harraden Circle Investments, LLC · Sole voting: 0 · Shared voting: 1,064,723 · Sole dispositive: 0 · Shared dispositive: 1,064,723 · SCHEDULE 13G, 2026-08-14
• Filing 2026-06-18 · Reporting person: Blue Holdings Sponsor LLC · Sole voting: 7,160,913 · Shared voting: 0 · Sole dispositive: 7,160,913 · Shared dispositive: 0 · SCHEDULE 13D/A, 2026-06-18

Blue Acquisition Corp. has 15 Schedule 13D or 13G filings on record since 2025-08-08. 4 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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Companies that share a holder

• SONA ASSET MANAGEMENT (US) LLC also filed stake reports on 2 other companies: Lafayette Digital Acquisition Corp. I (May 2026), Soren Acquisition Corp. (May 2026)
• Westchester Capital Management, LLC also filed stake reports on 31 other companies: Lakeshore Acquisition III Corp. (Aug 2026), Sizzle Acquisition Corp. II (Aug 2026), Tavia Acquisition Corp. (Aug 2026)
• Tenor Capital Management Company, L.P. also filed stake reports on 41 other companies: Archimedes Tech SPAC Partners II Co. (Aug 2026), Armada Acquisition Corp. II (Aug 2026), Cartesian Growth Corporation III (Aug 2026)

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Voting and dispositive power, as filed

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The latest filing identifies Blue Acquisition Corp. by CUSIP G1331A108 and gives its principal executive office as 1601 Anita Lane, Newport Beach, CA 92660 (SCHEDULE 13G/A, 2026-11-06).

Source of funds (Item 3)

The aggregate purchase price for the Founder Shares (as defined below) was $25,000. The aggregate purchase price of the Placement Units (as defined below) was $3,910,000. The source of these funds was the working capital of Sponsor.Blue Holdings Sponsor LLC, SCHEDULE 13D/A, 2026-06-18

Purpose of Transaction (Item 4)

Blue Holdings Sponsor LLC

Founder Shares On February 20, 2025, the Sponsor acquired an aggregate of 6,049,925 Class B ordinary shares, for $25,000, or approximately $0.004 per share. In May 2025, the Issuer issued an additional 1,009,988 Class B ordinary shares to the Sponsor in a share capitalization resulting in the Sponsor holding a total of 7,069,913 Class B ordinary shares (the "Founder Shares"), of which up to 922,163 Class B ordinary shares were subject to forfeiture to the extent the underwriter did not exercise its over-allotment option in connection with the Issuer's initial public offering (the "IPO") in full. At the closing of the IPO, the underwriter exercised the over-allotment option in full and as a result, no Founder Shares were forfeited. The Founder Shares will automatically convert into shares of Class A ordinary shares at the time of the Issuer's initial business combination (the "Business Combination") on a one-for-one basis, subject to adjustment pursuant to certain anti-dilution rights. The Sponsor assigned 300,000 Founder Shares to Albert Pontonio, a registered broker-dealer associated with Roberts & Ryan, Inc., co- manager of the IPO. The description of the Founder Share Purchase Agreement is qualified in its entirety by reference to the full text of such agreement, a copy of which was filed as Exhibit 10.8 to the Registration Statement on Form S-1 initially filed by the Issuer with the SEC on May 14, 2025 (and is incorporated by reference herein as Exhibit 10.1). Placement …The first part of Item 4 of the SCHEDULE 13D/A filed 2026-06-18; the filing has the rest

Timeline

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Questions about who owns Blue Acquisition Corp.

Who owns Blue Acquisition Corp.?

On this page, 4 holders' latest ownership filings report 5% or more of Blue Acquisition Corp.: Blue Holdings Sponsor LLC (25.61%, Schedule 13D/A, filed 2026-06-18), LMR Partners LLP (9.2%, Schedule 13G/A, filed 2026-05-15), Tenor Capital Management Company, L.P. (8.4%, Schedule 13G/A, filed 2026-08-14) and Harraden Circle Investments, LLC (5.1%, Schedule 13G, filed 2026-08-14).

Who are the largest shareholders of Blue Acquisition Corp.?

By the share each holder's latest filing reports, the largest holders of Blue Acquisition Corp. on this page are Blue Holdings Sponsor LLC (25.61%), LMR Partners LLP (9.2%) and Tenor Capital Management Company, L.P. (8.4%).

When did Blue Holdings Sponsor LLC buy into Blue Acquisition Corp.?

The filings give report dates, not purchase dates. The earliest filing from Blue Holdings Sponsor LLC on this page is the Schedule 13D/A, filed 2026-06-18, reporting 25.61%. 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%); 15 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.

Also on the record for Blue Acquisition Corp.

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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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