Who Owns IDEA ACQUISITION CORP (IACOU)? -- Institutional Holders (2026-06-30)
73 institutions reported holding $87.0M of IDEA ACQUISITION CORP (IACOU) in SEC 13F filings for 2026-06-30. Largest institutional holders: ARISTEIA CAPITAL, L.L.C. ($17.0M), LMR Partners LLP ($15.0M), Lineage Point Capital LP ($11.6M), Calamos Advisors LLC ($9.0M), HGC Investment Management Inc. ($8.1M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | ARISTEIA CAPITAL, L.L.C. | $17.0M | 1.7M | Hold |
| 2 | LMR Partners LLP | $15.0M | 1.5M | Hold |
| 3 | Lineage Point Capital LP | $11.6M | 1.2M | Added |
| 4 | Calamos Advisors LLC | $9.0M | 900,000 | Hold |
| 5 | HGC Investment Management Inc. | $8.1M | 809,700 | Added |
| 6 | OMERS ADMINISTRATION Corp | $7.5M | 750,000 | Hold |
| 7 | JPMORGAN CHASE & CO | $4.7M | 466,774 | Trimmed |
| 8 | SYQUANT CAPITAL SAS | $3.0M | 300,000 | Hold |
| 9 | Qube Research & Technologies Ltd | $3.0M | 300,000 | Hold |
| 10 | TORONTO DOMINION BANK | $2.9M | 293,083 | Added |
| 11 | Parallax Volatility Advisers, L.P. | $1.7M | 166,750 | Hold |
| 12 | Westchester Capital Management, LLC | $1.5M | 150,000 | Hold |
| 13 | Stoic Point Capital Management LLC | $551,106 | 55,000 | Hold |
| 14 | PRELUDE CAPITAL MANAGEMENT, LLC | $551,106 | 55,000 | Hold |
| 15 | Clear Street Group Inc. | $336,114 | 33,544 | Trimmed |
| 16 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $301,500 | 30,000 | Hold |
| 17 | CSS LLC/IL | $160,762 | 16,044 | Trimmed |
| 18 | UBS Group AG | $5,010 | 500 | New |
| 19 | PenderFund Capital Management Ltd. | $4,462 | 444 | Trimmed |
| 20 | HRT FINANCIAL LP | $0 | 0 | Exited |
| 21 | WOLVERINE ASSET MANAGEMENT LLC | $0 | 0 | Exited |
| 22 | TIG Advisors, LLC | $0 | 0 | Exited |
| 23 | MMCAP International Inc. SPC | $0 | 0 | Exited |
| 24 | PEAK6 LLC | $0 | 0 | Exited |
| 25 | Hudson Bay Capital Management LP | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30