Nomenclature de l'indice IEIF Royaume-Uni au 21/01/2021
| Societe | Code ISIN | Capitalisation en M€ | Pondération |
| ASSURA | GB00BVGBWW93 | 2243.00 | 3.25 |
| BIG YELLOW GROUP | GB0002869419 | 2221.95 | 3.22 |
| BRITISH LAND | GB0001367019 | 4570.44 | 6.62 |
| CAPITAL & COUNTIES PROPERTIES | GB00B62G9D36 | 1279.63 | 1.85 |
| CAPITAL & REGIONAL | GB00BL6XZ716 | 87.16 | 0.13 |
| CLS HOLDINGS | GB00BF044593 | 994.04 | 1.44 |
| CUSTODIAN REIT | GB00BJFLFT45 | 415.19 | 0.60 |
| DERWENT LONDON | GB0002652740 | 3963.70 | 5.74 |
| EMPIRIC STUDENT PROPERTY | GB00BLWDVR75 | 497.38 | 0.72 |
| F AND C COMMERCIAL PROPERTY | GG00B4ZPCJ00 | 678.14 | 0.98 |
| GCP STUDENT LIVING | GB00B8460Z43 | 744.27 | 1.08 |
| GRAINGER TRUST | GB00B04V1276 | 2053.54 | 2.97 |
| GREAT PORTLAND ESTATES | GB00BF5H9P87 | 1805.54 | 2.61 |
| HAMMERSON | GB00BK7YQK64 | 994.56 | 1.44 |
| HELICAL PLC | GB00B0FYMT95 | 522.60 | 0.76 |
| LAND SECURITIES | GB00BYW0PQ60 | 5347.15 | 7.74 |
| LONDONMETRIC PROPERTY | GB00B4WFW713 | 2336.66 | 3.38 |
| MOUNTVIEW ESTATES | GB0006081037 | 528.53 | 0.77 |
| NEPI ROCKCASTLE | IM00BDD7WV31 | 3075.42 | 4.45 |
| NEWRIVER REIT | GB00BD7XPJ64 | 283.72 | 0.41 |
| PICTON PROPERTY INCOME | GB00B0LCW208 | 505.39 | 0.73 |
| PRIMARY HEALTH PROPERTIES | GB00BYRJ5J14 | 2184.54 | 3.16 |
| RAVEN PROPERTY GROUP | GB00B0D5V538 | 181.84 | 0.26 |
| RDI REIT | IM00BH3JLY32 | 371.88 | 0.54 |
| SAFESTORE HOLDINGS | GB00B1N7Z094 | 1921.68 | 2.78 |
| SCHRODER REAL ESTATE INVESTMENT | GB00B01HM147 | 218.58 | 0.32 |
| SECURE INCOME | GB00BLMQ9L68 | 1153.02 | 1.67 |
| SEGRO | GB00B5ZN1N88 | 12919.24 | 18.70 |
| SHAFTESBURY | GB0007990962 | 2304.64 | 3.34 |
| SIRIUS REAL ESTATE | GG00B1W3VF54 | 1021.44 | 1.48 |
| ST. MODWEN PROPERTIES PLC | GB0007291015 | 936.78 | 1.36 |
| STANDARD LIFE INVESTMENTS PROPERTY INCOME TRUST | GB0033875286 | 277.83 | 0.40 |
| TRITAX BIG BOX REIT | GB00BG49KP99 | 3586.84 | 5.19 |
| U AND I GROUP | GB0002668464 | 102.58 | 0.15 |
| UK COMMERCIAL PROPERTY REIT | GB00B19Z2J52 | 965.84 | 1.40 |
| UNITE GROUP PLC | GB0006928617 | 4293.50 | 6.22 |
| WORKSPACE GROUP | GB00B67G5X01 | 1481.18 | 2.14 |
| Total (37 Sociétés) | | 69069.42 | 100% |