| Packaged Software | 2.07 T GBP | 0.36% | −1.19% | 8.38 K | Technology services | 153 |
| Pharmaceuticals: Major | 1.74 T GBP | 1.81% | +0.03% | 55.24 K | Health technology | 111 |
| Major Banks | 1.26 T GBP | 3.79% | −0.31% | 776.21 K | Finance | 46 |
| Medical Specialties | 1.12 T GBP | 0.73% | +0.55% | 6.95 K | Health technology | 79 |
| Semiconductors | 1.11 T GBP | 1.39% | +0.29% | 557 | Electronic technology | 48 |
| Electric Utilities | 912.91 B GBP | 3.27% | −0.85% | 49.5 K | Utilities | 51 |
| Real Estate Investment Trusts | 805.1 B GBP | 3.85% | −0.54% | 23.81 K | Finance | 102 |
| Investment Managers | 716.71 B GBP | 2.84% | −0.58% | 50.28 K | Finance | 159 |
| Specialty Stores | 650.97 B GBP | 0.59% | +0.73% | 3.01 K | Retail trade | 40 |
| Integrated Oil | 648.96 B GBP | 6.15% | −0.37% | 773.38 K | Energy minerals | 38 |
| Information Technology Services | 648.82 B GBP | 0.93% | −0.54% | 3.69 K | Technology services | 69 |
| Aerospace & Defense | 639.41 B GBP | 1.05% | +0.19% | 206.76 K | Electronic technology | 37 |
| Multi-Line Insurance | 498.21 B GBP | 2.48% | −0.27% | 103.36 K | Finance | 19 |
| Investment Banks/Brokers | 492.13 B GBP | 1.77% | +0.41% | 423.46 K | Finance | 33 |
| Motor Vehicles | 445.82 B GBP | 3.20% | +0.18% | 6.08 K | Consumer durables | 12 |
| Electrical Products | 412.25 B GBP | 1.22% | −1.80% | 14.8 K | Producer manufacturing | 43 |
| Chemicals: Specialty | 362.42 B GBP | 1.88% | −0.35% | 1.79 K | Process industries | 37 |
| Other Metals/Minerals | 342.95 B GBP | 4.23% | −1.40% | 114.78 K | Non-energy minerals | 92 |
| Telecommunications Equipment | 330.74 B GBP | 1.95% | +0.63% | 893 | Electronic technology | 30 |
| Household/Personal Care | 322.76 B GBP | 2.80% | +0.32% | 123.65 K | Consumer non-durables | 17 |
| Regional Banks | 318.69 B GBP | 1.84% | −0.46% | 4.16 K | Finance | 38 |
| Oil & Gas Pipelines | 310.75 B GBP | 4.53% | −1.37% | 4.02 K | Industrial services | 6 |
| Electronic Equipment/Instruments | 307.12 B GBP | 0.95% | −0.64% | 13.58 K | Electronic technology | 36 |
| Industrial Machinery | 299.02 B GBP | 1.34% | −1.04% | 7.36 K | Producer manufacturing | 69 |
| Internet Software/Services | 293.32 B GBP | 0.37% | +0.56% | 77.14 K | Technology services | 34 |
| Property/Casualty Insurance | 286.29 B GBP | 1.40% | −2.08% | 9.85 K | Finance | 16 |
| Wholesale Distributors | 264.35 B GBP | 1.93% | +0.36% | 908.21 K | Distribution services | 41 |
| Hotels/Resorts/Cruise lines | 260.25 B GBP | 0.69% | −0.48% | 10.03 K | Consumer services | 17 |
| Wireless Telecommunications | 252.79 B GBP | 2.29% | −0.46% | 635.93 K | Communications | 6 |
| Steel | 251.63 B GBP | 4.70% | −1.25% | 81.12 K | Non-energy minerals | 20 |
| Food: Specialty/Candy | 240.35 B GBP | 2.66% | −0.23% | 16.47 K | Consumer non-durables | 24 |
| Computer Processing Hardware | 239.74 B GBP | 1.17% | −0.48% | 5.23 K | Electronic technology | 8 |
| Restaurants | 234.46 B GBP | 1.38% | +0.47% | 143.49 K | Consumer services | 30 |
| Miscellaneous Commercial Services | 232.64 B GBP | 1.56% | +0.29% | 216.48 K | Commercial services | 99 |
| Trucks/Construction/Farm Machinery | 225.88 B GBP | 1.38% | −0.88% | 5.88 K | Producer manufacturing | 20 |
| Real Estate Development | 224.33 B GBP | 2.81% | −1.27% | 19.07 K | Finance | 67 |
| Financial Publishing/Services | 219.86 B GBP | 0.70% | +0.57% | 612 | Commercial services | 4 |
| Railroads | 210.4 B GBP | 2.02% | +0.42% | 994 | Transportation | 4 |
| Apparel/Footwear Retail | 194.18 B GBP | 1.22% | −0.01% | 79.72 K | Retail trade | 16 |
| Oil & Gas Production | 191.17 B GBP | 3.04% | −0.71% | 65.19 K | Energy minerals | 64 |
| Managed Health Care | 188.03 B GBP | 1.46% | −0.14% | 1.67 K | Health services | 4 |
| Beverages: Alcoholic | 182.65 B GBP | 3.37% | −0.06% | 192.61 K | Consumer non-durables | 17 |
| Other Consumer Services | 179.13 B GBP | 0.39% | +0.61% | 25.79 K | Consumer services | 18 |
| Air Freight/Couriers | 175 B GBP | 3.34% | +0.82% | 14.91 K | Transportation | 8 |
| Data Processing Services | 171.06 B GBP | 1.05% | +0.42% | 2.2 K | Technology services | 21 |
| Computer Peripherals | 168.92 B GBP | 0.35% | −0.13% | 3 K | Electronic technology | 16 |
| Medical Distributors | 167.93 B GBP | 1.12% | −0.44% | 673.87 K | Distribution services | 15 |
| Investment Trusts/Mutual Funds | 162.04 B GBP | 2.34% | −0.17% | 173.76 K | Miscellaneous | 4047 |
| Homebuilding | 154.87 B GBP | 1.26% | −0.99% | 115.57 K | Consumer durables | 24 |
| Tobacco | 153.97 B GBP | 7.56% | +0.87% | 328.46 K | Consumer non-durables | 5 |
| Specialty Telecommunications | 144.14 B GBP | 0.46% | +0.38% | 1.37 K | Communications | 8 |
| Finance/Rental/Leasing | 142.48 B GBP | 1.44% | −3.62% | 87.47 K | Finance | 45 |
| Precious Metals | 141.54 B GBP | 1.37% | −0.32% | 162.17 K | Non-energy minerals | 106 |
| Auto Parts: OEM | 138.6 B GBP | 2.04% | −0.74% | 6.8 K | Producer manufacturing | 23 |
| Insurance Brokers/Services | 134.48 B GBP | 0.86% | −2.56% | 517 | Finance | 6 |
| Recreational Products | 133.76 B GBP | 2.14% | −0.85% | 2.3 K | Consumer durables | 16 |
| Construction Materials | 127.8 B GBP | 1.05% | −0.90% | 34.85 K | Non-energy minerals | 17 |
| Home Improvement Chains | 126.06 B GBP | 1.81% | −1.62% | 18.1 K | Retail trade | 4 |
| Internet Retail | 122.58 B GBP | 0.00% | −1.05% | 11.59 K | Retail trade | 19 |
| Environmental Services | 121.06 B GBP | 1.26% | −1.00% | 1.31 K | Industrial services | 7 |
| Oil Refining/Marketing | 118.6 B GBP | 3.33% | −0.96% | 833 | Energy minerals | 7 |
| Industrial Specialties | 117.67 B GBP | 1.11% | −0.96% | 3.09 K | Process industries | 11 |
| Electronic Components | 114.26 B GBP | 1.33% | −0.61% | 6.13 K | Electronic technology | 23 |
| Casinos/Gaming | 99.22 B GBP | 0.66% | −0.44% | 9.59 K | Consumer services | 9 |
| Biotechnology | 98.57 B GBP | 0.27% | −0.62% | 6.2 K | Health technology | 69 |
| Financial Conglomerates | 97.45 B GBP | 2.65% | −0.96% | 119.12 K | Finance | 75 |
| Airlines | 92.88 B GBP | 0.85% | +0.24% | 35.41 K | Transportation | 12 |
| Containers/Packaging | 92.27 B GBP | 2.25% | −0.25% | 29.47 K | Process industries | 15 |
| Building Products | 84.67 B GBP | 1.80% | −0.85% | 6.44 K | Producer manufacturing | 19 |
| Cable/Satellite TV | 84.19 B GBP | — | +2.13% | 1.06 K | Consumer services | 1 |
| Engineering & Construction | 84.05 B GBP | 1.70% | −0.82% | 29.58 K | Industrial services | 47 |
| Food Retail | 75.83 B GBP | 2.96% | +0.39% | 594.99 K | Retail trade | 8 |
| Hospital/Nursing Management | 74.73 B GBP | 0.83% | −0.24% | 2 K | Health services | 9 |
| Beverages: Non-Alcoholic | 72.17 B GBP | 0.70% | −0.36% | 8.59 K | Consumer non-durables | 8 |
| Movies/Entertainment | 71.46 B GBP | 0.39% | −1.89% | 30.22 K | Consumer services | 27 |
| Trucking | 64.69 B GBP | 0.61% | +0.46% | 744 | Transportation | 5 |
| Drugstore Chains | 61.41 B GBP | 5.37% | −1.70% | 7.22 K | Retail trade | 2 |
| Food: Major Diversified | 55.87 B GBP | 3.98% | −0.15% | 78.01 K | Consumer non-durables | 4 |
| Gas Distributors | 53.9 B GBP | 2.23% | −0.69% | 342.7 K | Utilities | 7 |
| Electronics/Appliances | 48.13 B GBP | 2.39% | −0.74% | 13.49 K | Consumer durables | 13 |
| Chemicals: Agricultural | 46.59 B GBP | 3.48% | −1.18% | 563 | Process industries | 9 |
| Apparel/Footwear | 45.98 B GBP | 0.81% | −1.52% | 16.39 K | Consumer non-durables | 21 |
| Services to the Health Industry | 42.74 B GBP | 0.61% | −0.26% | 602 | Health services | 2 |
| Food: Meat/Fish/Dairy | 41.34 B GBP | 3.10% | +1.27% | 1.63 K | Consumer non-durables | 13 |
| Life/Health Insurance | 38.63 B GBP | 2.70% | −0.37% | 758.75 K | Finance | 7 |
| Contract Drilling | 38.23 B GBP | 1.94% | −0.86% | 3.36 K | Industrial services | 8 |
| Water Utilities | 37.37 B GBP | 3.49% | −0.62% | 79.45 K | Utilities | 5 |
| Advertising/Marketing Services | 36.83 B GBP | 3.53% | −0.69% | 320.24 K | Commercial services | 21 |
| Discount Stores | 34.86 B GBP | 1.60% | +1.16% | 133.88 K | Retail trade | 5 |
| Medical/Nursing Services | 33.8 B GBP | 0.63% | +0.01% | 1.29 K | Health services | 19 |
| Chemicals: Major Diversified | 32.97 B GBP | 2.18% | −1.91% | 8.35 K | Process industries | 7 |
| Food Distributors | 31.91 B GBP | 2.55% | −0.63% | 1.17 K | Distribution services | 7 |
| Publishing: Newspapers | 29.74 B GBP | 1.01% | −0.22% | 3 K | Consumer services | 9 |
| Tools & Hardware | 28.76 B GBP | 3.24% | −0.54% | 1.09 K | Consumer durables | 5 |
| Department Stores | 27.38 B GBP | 2.70% | −0.41% | 249.93 K | Retail trade | 6 |
| Agricultural Commodities/Milling | 26.66 B GBP | 3.86% | −0.00% | 4.89 K | Process industries | 18 |
| Electronic Production Equipment | 24.75 B GBP | 0.77% | −2.33% | 3.68 K | Electronic technology | 16 |
| Major Telecommunications | 23.74 B GBP | 3.41% | −0.97% | 1.27 M | Communications | 6 |
| Pulp & Paper | 22.12 B GBP | 2.92% | −1.48% | 1.55 K | Process industries | 3 |
| Oilfield Services/Equipment | 21.46 B GBP | 2.25% | +0.33% | 22.59 K | Industrial services | 10 |