4 institutions reported holding $30,473 of SUNPOWER INC (CSLRW) in SEC 13F filings for 2026-06-30. Largest institutional holders: SECURITY BENEFIT LIFE INSURANCE CO /KS/ ($21,000), Calamos Advisors LLC ($5,950), ZAZOVE ASSOCIATES LLC ($1,773), DUPONT CAPITAL MANAGEMENT CORP ($1,750). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | SECURITY BENEFIT LIFE INSURANCE CO /KS/ | $21,000 | 150,000 | Hold |
| 2 | Calamos Advisors LLC | $5,950 | 42,500 | Hold |
| 3 | ZAZOVE ASSOCIATES LLC | $1,773 | 11,327 | Trimmed |
| 4 | DUPONT CAPITAL MANAGEMENT CORP | $1,750 | 12,500 | Hold |
Source: SEC Form 13F filings · as of 2026-06-30