As of November 6, 2026, 3 holders' latest Schedule 13D or 13G filings report owning 5% or more of Abony Acquisition Corp. I. The largest reported stake is Magnetar Financial LLC's, at 8.22%. 3 filings are on record since February 23, 2026 (Schedule 13G, May 13, 2026).
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Key facts
- · Reporting person: Magnetar Financial LLC · Sole voting: 0 · Shared voting: 1,950,000 · Sole dispositive: 0 · Shared dispositive: 1,950,000 · SCHEDULE 13G, 2026-05-13
- · Reporting person: Adage Capital Management, L.P. · Sole voting: 0 · Shared voting: 1,800,000 · Sole dispositive: 0 · Shared dispositive: 1,800,000 · SCHEDULE 13G, 2026-05-13
- · Reporting person: Linden Capital L.P. · Sole voting: 0 · Shared voting: 1,350,000 · Sole dispositive: 0 · Shared dispositive: 1,350,000 · SCHEDULE 13G, 2026-02-23
Abony Acquisition Corp. I has 3 Schedule 13D or 13G filings on record since 2026-02-23. 3 holders' latest filing reports 5% or more of class a ordinary shares, par value $0.0001. Each figure below is the holder's own, as filed, with the filing linked.
Holders
| Holder | Percent | Shares | Latest | Event date |
|---|---|---|---|---|
| Magnetar Financial LLC | 8.22% | 1,950,000 | SCHEDULE 13G, 2026-05-13 | 2026-03-31 |
| Adage Capital Management, L.P. | 7.6% | 1,800,000 | SCHEDULE 13G, 2026-05-13 | 2026-03-31 |
| Linden Capital L.P. | 5.7% | 1,350,000 | SCHEDULE 13G, 2026-02-23 | 2026-02-20 |
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More on Abony Acquisition Corp. I and the records around it.
Companies that share a holder
- Linden Capital L.P. also filed stake reports on 73 other companies: Southport Acquisition Corp. II (Oct 2026), NewHold Investment Corp IV (Sep 2026), Haymaker Acquisition Corp V (Sep 2026)
- MAGNETAR FINANCIAL LLC also filed stake reports on 97 other companies: Blue Acquisition Corp. (Sep 2026), CENTURION ACQUISITION CORP. (Sep 2026), Churchill Capital Corp IX (Sep 2026)
- 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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What the Full Report on Abony Acquisition Corp. I covers
The Short Answer
Which Company This Is
What They Do, And How The Money Works
Who Runs It, And How To Reach Them
The Money: Funding, Valuation, Runway
Who Pays Them, And Who They Are Up Against
Warning Bells
Sources
6 cited sources found
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Voting and dispositive power, as filed
| Reporting person | Sole voting | Shared voting | Sole dispositive | Shared dispositive | Filing |
|---|---|---|---|---|---|
| Magnetar Financial LLC | 0 | 1,950,000 | 0 | 1,950,000 | SCHEDULE 13G, 2026-05-13 |
| Magnetar Capital Partners LP | 0 | 1,950,000 | 0 | 1,950,000 | SCHEDULE 13G, 2026-05-13 |
| Supernova Management LLC | 0 | 1,950,000 | 0 | 1,950,000 | SCHEDULE 13G, 2026-05-13 |
| David J. Snyderman | 0 | 1,950,000 | 0 | 1,950,000 | SCHEDULE 13G, 2026-05-13 |
| Adage Capital Management, L.P. | 0 | 1,800,000 | 0 | 1,800,000 | SCHEDULE 13G, 2026-05-13 |
| Robert Atchinson | 0 | 1,800,000 | 0 | 1,800,000 | SCHEDULE 13G, 2026-05-13 |
| Phillip Gross | 0 | 1,800,000 | 0 | 1,800,000 | SCHEDULE 13G, 2026-05-13 |
| Linden Capital L.P. | 0 | 1,350,000 | 0 | 1,350,000 | SCHEDULE 13G, 2026-02-23 |
| Linden GP LLC | 0 | 1,350,000 | 0 | 1,350,000 | SCHEDULE 13G, 2026-02-23 |
| Linden Advisors LP | 0 | 1,350,000 | 0 | 1,350,000 | SCHEDULE 13G, 2026-02-23 |
| Siu Min Wong | 0 | 1,350,000 | 0 | 1,350,000 | SCHEDULE 13G, 2026-02-23 |
The latest filing identifies Abony Acquisition Corp. I by CUSIP G00582125 and gives its principal executive office as 1700 S. Lamar Blvd, Suite #338, Austin, TX 78704 (SCHEDULE 13G, 2026-05-13).
What the percentages are based on
As of March 31, 2026, each of the Reporting Persons were deemed to be the beneficial owner constituting approximately 8.22% of the total number of shares outstanding (based upon the information provided by the Issuer in the Form 10-K filed on March 27, 2026 there were approximately 23,695,000 Shares outstanding).Magnetar Financial LLC, SCHEDULE 13G, 2026-05-13
Timeline
| Filed | Holder | Percent | Filing |
|---|---|---|---|
| 2026-02-23 | Linden Capital L.P. | 5.7% | SCHEDULE 13G |
| 2026-05-13 | Adage Capital Management, L.P. | 7.6% | SCHEDULE 13G |
| 2026-05-13 | Magnetar Financial LLC | 8.22% | SCHEDULE 13G |
Questions about who owns Abony Acquisition Corp. I
Who owns Abony Acquisition Corp. I?
On this page, 3 holders' latest ownership filings report 5% or more of Abony Acquisition Corp. I: Magnetar Financial LLC (8.22%, Schedule 13G, filed 2026-05-13), Adage Capital Management, L.P. (7.6%, Schedule 13G, filed 2026-05-13) and Linden Capital L.P. (5.7%, Schedule 13G, filed 2026-02-23).
Who are the largest shareholders of Abony Acquisition Corp. I?
By the share each holder's latest filing reports, the largest holders of Abony Acquisition Corp. I on this page are Magnetar Financial LLC (8.22%), Adage Capital Management, L.P. (7.6%) and Linden Capital L.P. (5.7%).
When did Magnetar Financial LLC buy into Abony Acquisition Corp. I?
The filings give report dates, not purchase dates. The earliest filing from Magnetar Financial LLC on this page is the Schedule 13G, filed 2026-05-13, reporting 8.22%.
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%); 3 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 Abony Acquisition Corp. I
| Date | Record | Figure | Our page | Source |
|---|---|---|---|---|
| February 19, 2026 | IPO filing, Form 424B4 | — | IPO filings | Source |
| January 29, 2026 | IPO filing, Form S-1/A | — | IPO filings | Source |
| December 29, 2025 | IPO filing, Form S-1 | — | IPO filings | Source |
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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.