Iris Acquisition Corp II
Ownership
Ownership Structure
Who owns Iris Acquisition Corp II (IRAB)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 85.0% of the shares are freely tradable; institutional investors hold 75.7%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Adage Capital Partners Gp LLC | 5.89 | 1,350,000 | +0.0 | 06/30/2026 |
| Aristeia Capital, LLC | 5.06 | 1,159,828 | +0.0 | 06/30/2026 |
| Tenor Capital Management Co Lp | 4.37 | 1,000,000 | +0.0 | 03/31/2026 |
| SONA ASSET MANAGEMENT (US) LLC | 3.71 | 850,000 | +0.0 | 03/31/2026 |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 3.49 | 800,000 | +0.0 | 03/31/2026 |
| Linden Advisors LLC | 3.49 | 800,000 | +0.0 | 06/30/2026 |
| Magnetar Financial LLC | 2.62 | 600,000 | +0.0 | 06/30/2026 |
| Cnh Partners, LLC | 2.53 | 578,464 | +0.0 | 03/31/2026 |
| BNP Paribas Arbitrage, SA | 2.39 | 546,532 | +0.0 | 03/31/2026 |
| Millennium Management LLC | 1.86 | 425,000 | +0.0 | 06/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: September 24, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.