2 institutions reported holding $29,517 of COINCHECK GROUP (CNCKW) in SEC 13F filings for 2026-06-30. Largest institutional holders: Calamos Advisors LLC ($22,705), DUPONT CAPITAL MANAGEMENT CORP ($6,812). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Calamos Advisors LLC | $22,705 | 100,000 | Hold |
| 2 | DUPONT CAPITAL MANAGEMENT CORP | $6,812 | 30,000 | Hold |
Source: SEC Form 13F filings · as of 2026-06-30