The sovereign wealth funds—managed by the Central Bank since March 2007—have been exclusively invested abroad in low-risk asset classes, similar to those used in international reserves. The strategic asset allocation for both funds is made up of 66.5% in sovereign bonds, 30% in money market instruments, and 3.5% in inflation-indexed sovereign bonds. The currency composition of the funds is broken down as follows: 50% USD, 40% Euro, and 10% Japanese Yen.

Benchmarks
In order to asses the performance of the administrator of the funds, a benchmark portfolio has been set up which is composed of sovereign bonds (nominal), money market instruments, and inflation-linked sovereign bonds for several currencies.
| Benchmark | Percentage of Total Portfolio |
|---|---|
| Money Market | 30.0% |
| Merrill Lynch 6 Month Average | 15.0% |
| Merrill Lynch Treasury Bills Index | 15.0% |
| Nominal Sovereign Bonds | 66.5% |
| Barclays Capital Global Treasury: U.S. Bond Index | 31.5% |
| Barclays Capital Global Treasury: Germany Bond Index | 28.0% |
| Barclays Capital Global Treasury: Japan Bond Index | 7.0% |
| Inflation-Indexed Sovereign Bonds | 3.5% |
| Barclays Capital Global Inflation-Linked: U.S. TIPS Index 1-10 years | 3.5% |
| Total | 100% |