Comparable stake leader
Irenic Sponsor, LLC
SEC ownership of Irenic Acquisition Corp.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0002122505.
Disclosed value leader
ADAGE CAPITAL PARTNERS GP, L.L.C.
Comparable rows
39/50
Latest evidence
30 Jun 2026
- Public ticker
- IACQ, IACQU on Nasdaq
- Parsed ownership sources
-
3/4/5, 13D/G, and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Irenic Sponsor, LLC
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
39 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Irenic Sponsor, 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
- 0002122505
- Issuer location
- New York, NY
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 Irenic Acquisition Corp. (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
Irenic Sponsor, LLC
Disclosed value leader
ADAGE CAPITAL PARTNERS GP...
Comparable rows
39/50
Latest evidence
30 Jun 2026
3/4/5
13D/G
13F
Lead comparable stake: 21%
11 rows are not safely comparable across share classes.
13D/G row: Irenic Sponsor, LLC
Showing 1-8 of 50 holder rows.
Quick read
Irenic Sponsor, LLC leads the comparable SEC ownership view at 21%.
39 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 Irenic Sponsor, LLC's linked filing trail.
Comparable ownership
Top 5
Irenic Sponsor, LLC
21%
Adage Capital Management, L.P.
7.6%
AQR CAPITAL MANAGEMENT LLC
6.2%
MILLENNIUM MANAGEMENT LLC
3.7%
AQR Arbitrage LLC
7.2%
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 |
|---|---|---|---|---|---|
| Irenic Sponsor, LLC |
3/4/5
13D/G
*Director by Deputization, 10%+ Owner
|
21%
from 13D/G
|
—
6,765,829 shares
mixed-class rows
|
— | 01 May 2026 |
| Adage Capital Management, L.P. |
13D/G
|
7.6%
|
$19,780,200
1,980,000 shares
|
$0 | 30 Jun 2026 |
| AQR CAPITAL MANAGEMENT LLC |
13D/G
|
6.2%
|
$16,096,747
1,611,286 shares
|
$0 | 30 Jun 2026 |
| MILLENNIUM MANAGEMENT LLC |
13F
13D/G
Company
|
3.7%
from 13D/G
|
$9,601,065
950,000 shares
mixed-class rows
|
— | 30 Jun 2026 |
| AQR Arbitrage LLC |
13F
Company
|
7.2%
|
$16,386,779
1,611,286 shares
|
— | 30 Jun 2026 |
| Alberta Investment Management Corp |
13F
Company
|
4.5%
|
$10,170,000
1,000,000 shares
|
— | 30 Jun 2026 |
| LMR Partners LLP |
13F
Company
|
3.3%
|
$7,620,075
750,000 shares
|
— | 30 Jun 2026 |
| Nantahala Capital Management, LLC |
13F
Company
|
3.3%
|
$7,620,075
750,000 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 Aug 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 1-7 of 7 reporting-owner rows connected to Irenic Acquisition Corp.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
7
Largest Forms 3/4/5 holder
Paul R. Adams
Net 12M change
$0
Latest report
01 May 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Paul R. Adams | Director | Mixed | 27 Apr 2026 | |||
| Matthew Kupersmith | Chief Financial Officer | Mixed | 27 Apr 2026 | |||
| Larry A. Lawson | Director | Mixed | 27 Apr 2026 | |||
| Kirk S. Hachigian | Director | Mixed | 27 Apr 2026 | |||
| E-Fei Wang | President, Director | Mixed | 27 Apr 2026 | |||
| Irenic Sponsor, LLC | *Director by Deputization, 10%+ Owner | Mixed | 01 May 2026 | |||
| Adam J. Katz | Chief Executive Officer, Director | Mixed | 01 May 2026 |
Recent insider transactions for Irenic Acquisition Corp.
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Irenic Sponsor, LLC | IACQ | Class A Ordinary Shares | Award | 7.75% | 32,532 | 452,532 | 01 May 2026 | Direct | ||
| Irenic Sponsor, LLC | IACQ | Class A Ordinary Shares | Award | 7.75% | 32,532 | 452,532 | 01 May 2026 | Direct | ||
| Irenic Sponsor, LLC | IACQ | Class B Ordinary Shares | Other | -0.18% | -11,073 | 6,313,297 | 01 May 2026 | Direct | ||
| Irenic Sponsor, LLC | IACQ | Class B Ordinary Shares | Other | -0.18% | -11,073 | 6,313,297 | 01 May 2026 | Direct | ||
| Irenic Sponsor, LLC | IACQ | Class A Ordinary Shares | Award | 420,000 | 420,000 | 27 Apr 2026 | Direct | |||
| Irenic Sponsor, LLC | IACQ | Class A Ordinary Shares | Award | 420,000 | 420,000 | 27 Apr 2026 | Direct |
* marks a reported price that did not pass the local price check.