ISEQ 20 Constituents Constituents

| Date_ | _2_January_2007 | _19_October_2009 | _5_November_2010 | _16_December_2011 | _30_March_2012 |
|---|---|---|---|---|---|
| 1 | Allied Irish Banks 16.69% | Allied Irish Banks 7.3% | Allied Irish Banks 0.74% | Aer Lingus Group 0.41% | Aer Lingus Group 0.51% |
| 2 | Anglo Irish Bank 9.12% | Aryzta 6.3% | Aryzta 7.48% | Aryzta 8.25% | Aryzta 7.51% |
| 3 | Bank of Ireland 12.73% | Bank of Ireland 8.0% | Bank of Ireland 4.39% | Bank of Ireland 3.81% | Bank of Ireland 4.5% |
| 4 | CRH 16.94% | CRH 20.1% | CRH 21.34% | CRH 20.86% | CRH 18.5% |
| 5 | C&C Group 1.8% | C&C Group 2.6% | C&C Group 3.37% | C&C Group 2.55% | C&C Group 2.89% |
| 6 | DCC 1.91% | DCC 4.5% | DCC 5.54% | DCC 4.37% | DCC 3.7% |