Iris Acquisition Corp II
IRAB- Exchange
- NYSE
- Industry
- Blank Checks
- SEC CIK
- 0002077785
No open-market purchases or sales by Iris Acquisition Corp II insiders were filed in the last 90 days; 43 institutions reported holding it in 13F filings for Q2 2026, worth $148.6M in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in Iris Acquisition Corp II as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 32
- +32 vs. Q4 2025
- Shares held
- 10.8M
- +10.8M vs. Q4 2025
- Total value
- $106.4M
- +$106.4M vs. Q4 2025
- New holders
- 32
- 0 more added
- Sold out
- 0
- 0 more reduced
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting IRAB on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 43 | $148.6M |
| Q1 2026 | 32 | $106.4M |
| Q4 2025 | 0 | $0 |
| Q3 2025 | 0 | $0 |
| Q2 2025 | 0 | $0 |
| Q1 2025 | 0 | $0 |
| Q4 2024 | 0 | $0 |
| Q3 2024 | 0 | $0 |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Iris Acquisition Corp II; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Adage Capital Partners GP, L.L.C. | 1,350,000 | $13.3M | 0.02% | +1,350,000 | New |
| Tenor Capital Management Co., L.P. | 1,000,000 | $9.82M | 0.15% | +1,000,000 | New |
| Sona Asset Management (US) LLC | 850,000 | $8.35M | 0.32% | +850,000 | New |
| Linden Advisors LP | 800,000 | $7.86M | 0.04% | +800,000 | New |
| Healthcare of Ontario Pension Plan Trust Fund | 800,000 | $7.86M | 0.01% | +800,000 | New |
| CNH Partners LLC | 578,464 | $5.68M | 0.09% | +578,464 | New |
| BNP Paribas Arbitrage, SA | 546,532 | $5.37M | 0.00% | +546,532 | New |
| D. E. Shaw & Co., Inc. | 420,600 | $4.13M | 0.00% | +420,600 | New |
| Shaolin Capital Management LLC | 400,000 | $3.93M | 0.16% | +400,000 | New |
| Vivaldi Asset Management, LLC | 399,998 | $3.93M | 0.21% | +399,998 | New |
| Whitebox Advisors LLC | 375,200 | $3.68M | 0.05% | +375,200 | New |
| Radcliffe Capital Management, L.P. | 299,570 | $2.94M | 0.22% | +299,570 | New |
| Two Sigma Investments, LP | 271,875 | $2.67M | 0.00% | +271,875 | New |
| Centiva Capital, LP | 250,700 | $2.46M | 0.11% | +250,700 | New |
| Context Capital Management, LLC | 250,000 | $2.46M | 0.06% | +250,000 | New |
| HGC Investment Management Inc. | 250,000 | $2.46M | 0.54% | +250,000 | New |
| Periscope Capital Inc. | 241,000 | $2.37M | 0.41% | +241,000 | New |
| Lineage Point Capital LP | 220,000 | $2.16M | 0.53% | +220,000 | New |
| Glazer Capital, LLC | 202,310 | $1.99M | 0.04% | +202,310 | New |
| Rivernorth Capital Management, LLC | 200,000 | $1.96M | 0.10% | +200,000 | New |
| Verition Fund Management LLC | 200,000 | $1.96M | 0.02% | +200,000 | New |
| Berkley W R Corp | 198,960 | $1.95M | 0.10% | +198,960 | New |
| Mint Tower Capital Management B.V. | 150,000 | $1.47M | 0.15% | +150,000 | New |
| Polar Asset Management Partners Inc. | 100,000 | $983.0K | 0.02% | +100,000 | New |
| Kepos Capital LP | 100,000 | $982.0K | 1.60% | +100,000 | New |
| Hudson Bay Capital Management LP | 98,938 | $971.6K | 0.01% | +98,938 | New |
| Clear Street Group Inc. | 95,356 | $936.4K | 0.01% | +95,356 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 79,662 | $782.3K | 0.00% | +79,662 | New |
| Moore Capital Management, LP | 50,000 | $491.0K | 0.02% | +50,000 | New |
| Virtu Financial LLC | 26,070 | $256.0K | 0.01% | +26,070 | New |
| Schonfeld Strategic Advisors LLC | 15,000 | $147.3K | 0.00% | +15,000 | New |
| Royal Bank of Canada | 9,885 | $97.0K | 0.00% | +9,885 | New |