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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.

Other share classesIRAB.UNIRAB.WT

13F holders, Q2 2026

Institutional positions in Iris Acquisition Corp II as of Jun 30, 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
43
+11 vs. Q1 2026
Shares held
15.0M
+4.14M (+38.2%) vs. Q1 2026
Total value
$148.6M
+$42.3M (+39.8%) vs. Q1 2026
New holders
12
4 more added
Sold out
1
3 more reduced

Compare with Q1 2026: 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.

Institutional holdersQ2 2026: 43 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 0 institutionsQ1 2022: 0 institutionsQ2 2022: 0 institutionsQ3 2022: 0 institutionsQ4 2022: 0 institutionsQ1 2023: 0 institutionsQ2 2023: 0 institutionsQ3 2023: 0 institutionsQ4 2023: 0 institutionsQ1 2024: 0 institutionsQ2 2024: 0 institutionsQ3 2024: 0 institutionsQ4 2024: 0 institutionsQ1 2025: 0 institutionsQ2 2025: 0 institutionsQ3 2025: 0 institutionsQ4 2025: 0 institutionsQ1 2026: 32 institutionsQ2 2026: 43 institutions
Value heldQ2 2026: $148.6M
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $0Q1 2022: $0Q2 2022: $0Q3 2022: $0Q4 2022: $0Q1 2023: $0Q2 2023: $0Q3 2023: $0Q4 2023: $0Q1 2024: $0Q2 2024: $0Q3 2024: $0Q4 2024: $0Q1 2025: $0Q2 2025: $0Q3 2025: $0Q4 2025: $0Q1 2026: $106.4MQ2 2026: $148.6M
Institutions holding IRAB and their total value by quarter
QuarterHoldersValue
Q2 202643$148.6M
Q1 202632$106.4M
Q4 20250$0
Q3 20250$0
Q2 20250$0
Q1 20250$0
Q4 20240$0
Q3 20240$0
Q2 20240$0
Q1 20240$0
Q4 20230$0
Q3 20230$0
Q2 20230$0
Q1 20230$0
Q4 20220$0
Q3 20220$0
Q2 20220$0
Q1 20220$0
Q4 20210$0
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding Iris Acquisition Corp II; share changes are against Q1 2026.

Institutions holding IRAB in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Virtu Financial LLC14,870$148.0K0.00%−11,200−43.0%Reduced
Schonfeld Strategic Advisors LLC15,000$148.9K0.00%00.0%Unchanged
CSS LLC25,000$248.3K0.01%+25,000New
Clear Street Group Inc.30,756$305.4K0.00%−64,600−67.7%Reduced
Mizuho Securities USA LLC50,000$492.5K0.01%+50,000New
Moore Capital Management, LP50,000$496.5K0.01%00.0%Unchanged
Wolverine Asset Management LLC65,047$645.9K0.01%+65,047New
Hudson Bay Capital Management LP98,938$982.5K0.00%00.0%Unchanged
Polar Asset Management Partners Inc.100,000$993.0K0.02%00.0%Unchanged
Kepos Capital LP100,000$993.0K1.35%00.0%Unchanged
Mint Tower Capital Management B.V.150,000$1.49M0.18%00.0%Unchanged
Picton Mahoney Asset Management175,000$1.74M0.02%+175,000New
Heights Capital Management, Inc185,000$1.84M0.42%+185,000New
Rivernorth Capital Management, LLC200,000$1.99M0.09%00.0%Unchanged
Verition Fund Management LLC200,000$1.99M0.01%00.0%Unchanged
Berkley W R Corp198,960$1.99M0.10%00.0%Unchanged
Shaolin Capital Management LLC200,779$1.99M0.11%−199,221−49.8%Reduced
Glazer Capital, LLC206,321$2.05M0.05%+4,011+2.0%Added
Lineage Point Capital LP220,000$2.18M0.45%00.0%Unchanged
Cable Car Capital LLC225,000$2.23M0.05%+225,000New
Commonwealth of Pennsylvania Public School Empls Retrmt Sys229,662$2.28M0.01%+150,000+188.3%Added
Periscope Capital Inc.241,000$2.39M0.38%00.0%Unchanged
Context Capital Management, LLC250,000$2.48M0.05%00.0%Unchanged
HGC Investment Management Inc.250,000$2.48M0.49%00.0%Unchanged
Centiva Capital, LP250,700$2.49M0.08%00.0%Unchanged
Two Sigma Investments, LP271,875$2.70M0.00%00.0%Unchanged
Radcliffe Capital Management, L.P.299,570$2.97M0.23%00.0%Unchanged
Crossingbridge Advisors, LLC350,000$3.48M0.61%+350,000New
Whitebox Advisors LLC375,200$3.73M0.06%00.0%Unchanged
Vivaldi Asset Management, LLC399,998$3.97M0.23%00.0%Unchanged
Alberta Investment Management Corp400,000$3.97M0.02%+400,000New
D. E. Shaw & Co., Inc.420,601$4.18M0.00%+10.0%Added
Millennium Management LLC425,000$4.22M0.00%+425,000New
BNP Paribas Arbitrage, SA546,532$5.43M0.00%00.0%Unchanged
CNH Partners LLC584,964$5.80M0.08%+6,500+1.1%Added
MMCAP International Inc. SPC600,000$5.96M0.51%+600,000New
Magnetar Financial LLC600,000$6.00M0.05%+600,000New
Linden Advisors LP800,000$7.94M0.04%00.0%Unchanged
Healthcare of Ontario Pension Plan Trust Fund800,000$7.94M0.01%00.0%Unchanged
Sona Asset Management (US) LLC850,000$8.44M0.32%00.0%Unchanged
Tenor Capital Management Co., L.P.1,000,000$9.93M0.14%00.0%Unchanged
Aristeia Capital LLC1,159,828$11.5M0.18%+1,159,828New
Adage Capital Partners GP, L.L.C.1,350,000$13.4M0.02%00.0%Unchanged
Royal Bank of Canada0$00.00%−9,885−100.0%Sold out