| 持股明細(資料日期：2025/07/31) |
| 持股名稱 | 比例 |
| WELLS FARGO & CO 7.5% PERP PFD CNV A | 2.48% |
| BROOKFIELD RENEWABLE PAR PREF | 2.47% |
| CITIGROUP CAPITAL XIII PFD | 2.35% |
| ATHENE HOLDING LTD PFD_ | 2.21% |
| ENBRIDGE INC (REG) VAR 01MAR2078 | 2.11% |
| SEMPRA PFD | 2.09% |
| KEYCORP PFD | 2.09% |
| NEXTERA ENERGY CAPITAL PFD | 1.95% |
| UNITED STATES CELLULAR C PREF | 1.88% |
| FTAI AVIATION LTD PFD | 1.71% |