6 institutions reported holding $12.1M of IDEA ACQUISITION CORP (IACOU) in SEC 13F filings for 2026-06-30. Largest institutional holders: Calamos Advisors LLC ($9.0M), SYQUANT CAPITAL SAS ($3.0M), DELTEC ASSET MANAGEMENT LLC ($0), Context Capital Management, LLC ($0), Wealthspring Capital LLC ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Calamos Advisors LLC | $9.0M | 900,000 | Hold |
| 2 | SYQUANT CAPITAL SAS | $3.0M | 300,000 | Hold |
| 3 | DELTEC ASSET MANAGEMENT LLC | $0 | 0 | Exited |
| 4 | Context Capital Management, LLC | $0 | 0 | Exited |
| 5 | Wealthspring Capital LLC | $0 | 0 | Exited |
| 6 | ABC ARBITRAGE SA | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30