Fixed interest investments
Below are Prime Super's top 20 Fixed interest investments (as a percentage of holding to total funds) as of 30 June 2025.
| Rank | Holding | as % of Prime Super |
| 1 | US Treasuries | 2.46% |
| 2 | Australian Government Bonds | 2.15% |
| 3 | Treasury Corporation of Victoria | 0.46% |
| 4 | NSW Treasury Corporation | 0.44% |
| 5 | Japan Treasuries | 0.36% |
| 6 | Fannie Mae / Freddie Mac | 0.33% |
| 7 | Queensland Treasury Corporation | 0.31% |
| 8 | Chinese Government Bonds | 0.21% |
| 9 | United Kingdom GILTS | 0.13% |
| 10 | French Government Bonds | 0.11% |
| 11 | Italian Government Bonds | 0.11% |
| 12 | South Australian Government Financing | 0.10% |
| 13 | Government National Mortgage Association | 0.09% |
| 14 | China Development Bank | 0.09% |
| 15 | Western Australian Treasury Corporation | 0.09% |
| 16 | German Government Bonds | 0.08% |
| 17 | HSBC Holdings PLC | 0.08% |
| 18 | Spanish Government Bonds | 0.07% |
| 19 | JPMorgan Chase & Company | 0.07% |
| 20 | European Investment Bank | 0.06% |