Underlying Funds Trust registered 11 new fund series on Form N-1A, filed 2006-04-28. Featured series: The Arbitrage - 1 Portfolio.
| Series | Class | Ticker | New |
|---|---|---|---|
| The Arbitrage - 1 Portfolio | The Convertible Bond Arbitrage - 1 Portfolio | — | Yes |
| The Long/Short Equity - Global - 1 Portfolio | The Long/Short Equity - Global - 1 Portfolio | — | Yes |
| The Long/Short Equity - REIT - 1 Portfolio | The Long/Short Equity - REIT - 1 Portfolio | — | Yes |
| The Distressed Securities & Special Situations - 1 Portfolio | The Distressed Securities and Special Situations - 1 Portfolio | — | Yes |
| The Global Hedged Income - 1 Portfolio | The Global Hedged Income - 1 Portfolio | — | Yes |
| The Income Arbitrage Portfolio | The Fixed Income Arbitrage - 1 Portfolio | — | Yes |
| The Event Driven and Risk Arbitrage Portfolio | The Merger Arbitrage - 1 Portfolio | — | Yes |
| The Long/Short Equity - Earnings Revision - 1 Portfolio | The Long/Short Equity - Earning Revision - 1 Portfolio | — | Yes |
| The Long/Short Equity Market Neutral Portfolio | The Long/Short Equity - Momentum - 1 Portfolio | — | Yes |
| The Long/Short Equity Hedge Portfolio | The Long/Short Equity - Deep Discount Value - 1 Portfolio | — | Yes |
| The Long/Short Equity - International - 1 Portfolio | The Long/Short Equity - International - 1 Portfolio | — | Yes |