W R Berkley Corp is a security (CUSIP 084423888) tracked across SEC portfolio filings. 2 registered fund positions totaling $1.3M via N-PORT as of 2026-05-29.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| Nuveen Preferred & Income Securities Fund | Nuveen Preferred & Income Securities Fund | $738K | 5.12% |
| Guggenheim Strategic Opportunities Fund | Guggenheim Strategic Opportunities Fund | $598K | 2.49% |