IRAB
Iris Acquisition Corp IICompany with tickers: IRAB, IRAB-UN, IRAB-WT
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 33
Total Value: $119,608,773
Total Shares: 12,180,120
Holder Concentration
Across 32 13F filersTop Holder
12.5%
of institutional value
Top 5
44.3%
of institutional value
Top 10
66.0%
of institutional value
HHI
579
Broadly held
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| — Adage Capital Management, L.P. | $13,257,000 | 11.08% | 1,350,000 | Shares | Sole | 2026-05-13 | ||||
| Large ADAGE CAPITAL PARTNERS GP, L.L.C. | $13,257,000 | 11.08% | 1,350,000 | Shares | Sole | 2026-05-15 | ||||
| Mid TENOR CAPITAL MANAGEMENT Co., L.P. | $9,820,000 | 8.21% | 1,000,000 | Shares | Sole | 2026-05-15 | ||||
| Mid SONA ASSET MANAGEMENT (US) LLC | $8,347,000 | 6.98% | 850,000 | Shares | Other | 2026-05-15 | ||||
| Large HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND Pension | $7,856,000 | 6.57% | 800,000 | Shares | Sole | 2026-05-14 | ||||
| Mid Linden Advisors LP | $7,856,000 | 6.57% | 800,000 | Shares | Sole | 2026-05-15 | ||||
| Mid AQR Arbitrage LLC | $5,680,516 | 4.75% | 578,464 | Shares | Defined | 2026-05-15 | ||||
| Mega BNP PARIBAS ARBITRAGE, SA | $5,366,944 | 4.49% | 546,532 | Shares | Defined | 2026-05-12 | ||||
| Mega D. E. Shaw & Co., Inc. | $4,130,292 | 3.45% | 420,600 | Shares | Defined | 2026-05-15 | ||||
| Small Shaolin Capital Management LLC | $3,928,000 | 3.28% | 400,000 | Shares | Sole | 2026-05-15 | ||||
| Mid First Trust Capital Management L.P. | $3,927,980 | 3.28% | 399,998 | Shares | Sole | 2026-05-14 | ||||
| Mid WHITEBOX ADVISORS LLC | $3,684,464 | 3.08% | 375,200 | Shares | Sole | 2026-05-15 | ||||
| Small Radcliffe Capital Management, L.P. | $2,941,777 | 2.46% | 299,570 | Shares | Sole | 2026-05-15 | ||||
| Mega TWO SIGMA INVESTMENTS, LP | $2,669,812 | 2.23% | 271,875 | Shares | Sole | 2026-05-15 | ||||
| Large Centiva Capital, LP | $2,461,874 | 2.06% | 250,700 | Shares | Sole | 2026-05-14 | ||||
| Small HGC Investment Management Inc. | $2,455,000 | 2.05% | 250,000 | Shares | Sole | 2026-05-15 | ||||
| Small Context Capital Management, LLC | $2,455,000 | 2.05% | 250,000 | Shares | Sole | 2026-05-07 | ||||
| Small Periscope Capital Inc. | $2,366,620 | 1.98% | 241,000 | Shares | Sole | 2026-05-14 | ||||
| Small Lineage Point Capital LP | $2,160,400 | 1.81% | 220,000 | Shares | Sole | 2026-05-15 | ||||
| Mid GLAZER CAPITAL, LLC | $1,986,684 | 1.66% | 202,310 | Shares | Sole | 2026-05-14 | ||||
| Mid RIVERNORTH CAPITAL MANAGEMENT, LLC | $1,964,000 | 1.64% | 200,000 | Shares | Sole | 2026-05-15 | ||||
| Large Verition Fund Management LLC | $1,964,000 | 1.64% | 200,000 | Shares | Sole | 2026-05-15 | ||||
| Mid BERKLEY W R CORP | $1,953,787 | 1.63% | 198,960 | Shares | Sole | 2026-05-15 | ||||
| Small Mint Tower Capital Management B.V. | $1,473,000 | 1.23% | 150,000 | Shares | Sole | 2026-05-04 | ||||
| Micro Kepos Capital LP | $982,000 | 0.82% | 100,000 | Shares | Sole | 2026-05-12 | ||||
| Mid Polar Asset Management Partners Inc. | $982,000 | 0.82% | 100,000 | Shares | Sole | 2026-05-15 | ||||
| Large Hudson Bay Capital Management LP | $971,571 | 0.81% | 98,938 | Shares | Sole | 2026-05-13 | ||||
| Large Clear Street Group Inc. | $936,395 | 0.78% | 95,356 | Shares | Sole | 2026-05-15 | ||||
| Large COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | $782,280 | 0.65% | 79,662 | Shares | Sole | 2026-05-01 | ||||
| Mid MOORE CAPITAL MANAGEMENT, LP | $491,000 | 0.41% | 50,000 | Shares | Sole | 2026-05-15 | ||||
| Mid Virtu Financial LLC | $256,007 | 0.21% | 26,070 | Shares | Defined | 2026-05-14 | ||||
| Large Schonfeld Strategic Advisors LLC | $147,300 | 0.12% | 15,000 | Shares | Sole | 2026-05-15 | ||||
| Mega ROYAL BANK OF CANADA Bank | $97,070 | 0.08% | 9,885 | Shares | Defined | 2026-05-15 | ||||
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