Comparable stake leader
Magnetar Financial LLC
SEC ownership of Abony Acquisition Corp. I
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0002099906.
Disclosed value leader
Magnetar Financial LLC
Comparable rows
18/50
Latest evidence
30 Jun 2026
- Public ticker
- AACO, AACOU, AACOW on Nasdaq
- Parsed ownership sources
-
13F, 13D/G, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Magnetar Financial LLC
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
18 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Magnetar Financial LLC
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
30 Jun 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0002099906
- Issuer location
- Austin, TX
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Abony Acquisition Corp. I (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Magnetar Financial LLC
Disclosed value leader
Magnetar Financial LLC
Comparable rows
18/50
Latest evidence
30 Jun 2026
13F
13D/G
3/4/5
Lead comparable stake: 8.2%
32 rows are not safely comparable across share classes.
13D/G row: Magnetar Financial LLC
Showing 1-8 of 50 holder rows.
Quick read
Magnetar Financial LLC leads the comparable SEC ownership view at 8.2%.
18 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Magnetar Financial LLC's linked filing trail.
Comparable ownership
Top 5
Magnetar Financial LLC
8.2%
Adage Capital Management, L.P.
7.6%
Linden Capital L.P.
5.7%
Abony Sponsor I LLC
2%
Lorne Abony
2%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Magnetar Financial LLC |
13F
13D/G
Company
|
8.2%
from 13D/G
|
$19,617,000
2,600,000 shares
mixed-class rows
|
— | 30 Jun 2026 |
| Adage Capital Management, L.P. |
13D/G
|
7.6%
|
$17,910,000
1,800,000 shares
|
$0 | 31 Mar 2026 |
| Linden Capital L.P. |
13D/G
|
5.7%
|
—
1,350,000 shares
|
$0 | 20 Feb 2026 |
| Abony Sponsor I LLC |
3/4/5
10%+ Owner
|
2%
|
$4,626,750
465,000 shares
|
— | 20 Feb 2026 |
| Lorne Abony |
3/4/5
Chief Executive Officer, Director, 10%+ Owner
|
2%
|
$4,626,750
465,000 shares
|
— | 20 Feb 2026 |
| LMR Partners LLP |
13F
Company
|
3.8%
|
$9,009,000
900,000 shares
|
— | 30 Jun 2026 |
| SONA ASSET MANAGEMENT (US) LLC |
13F
Company
|
3.2%
|
$7,507,500
750,000 shares
|
— | 30 Jun 2026 |
| OMERS ADMINISTRATION Corp |
13F
Company
|
1.9%
|
$4,504,500
450,000 shares
|
— | 30 Jun 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 28 Sep 2025.
Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-6 of 6 reporting-owner rows connected to Abony Acquisition Corp. I. Open a relationship link for the CIK-to-CIK filing trail.
Rows
6
Largest Forms 3/4/5 holder
Abony Sponsor I LLC
Net 12M change
$0
Latest report
20 Feb 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Abony Sponsor I LLC | 10%+ Owner | $4,626,750 | Mixed | 20 Feb 2026 | ||
| Lorne Abony | Chief Executive Officer, Director, 10%+ Owner | $4,626,750 | Mixed | 20 Feb 2026 | ||
| Eric R. Ludwig | Director | Mixed | 30 Jan 2026 | |||
| Leo Kofman | CFO and COO | Mixed | 30 Jan 2025 | |||
| Allan H. Cole Jr. | Director | Mixed | 30 Jan 2026 | |||
| Jacob Michael Silverstein | Director | Mixed | 30 Jan 2026 |
Recent insider transactions for Abony Acquisition Corp. I
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Abony Sponsor I LLC | AACOU | Class A ordinary shares | Purchase | 465,000 | 465,000 | 20 Feb 2026 | Direct | |||
| Lorne Abony | AACOU | Class A ordinary shares | Purchase | 465,000 | 465,000 | 20 Feb 2026 | See footnote |
* marks a reported price that did not pass the local price check.