| Packaged Software | 5.75 T GBP | 0.57% | +0.55% | 25.24 K | Technology services | 154 |
| Internet Software/Services | 5.63 T GBP | 0.38% | −0.00% | 75.8 K | Technology services | 46 |
| Major Banks | 2.38 T GBP | 2.89% | +1.74% | 3.88 M | Finance | 50 |
| Internet Retail | 2.17 T GBP | 0.16% | +0.60% | 112.7 K | Retail trade | 21 |
| Pharmaceuticals: Major | 2.02 T GBP | 2.66% | +2.16% | 755.49 K | Health technology | 102 |
| Semiconductors | 1.94 T GBP | 0.94% | −0.44% | 24.89 K | Electronic technology | 51 |
| Motor Vehicles | 1.27 T GBP | 1.30% | +3.12% | 260.17 K | Consumer durables | 14 |
| Integrated Oil | 1.22 T GBP | 4.76% | +0.70% | 2.19 M | Energy minerals | 42 |
| Specialty Stores | 1.2 T GBP | 0.83% | −0.55% | 11.45 K | Retail trade | 45 |
| Medical Specialties | 1.2 T GBP | 0.92% | +1.83% | 94.42 K | Health technology | 80 |
| Finance/Rental/Leasing | 1 T GBP | 0.70% | +1.13% | 36.79 K | Finance | 45 |
| Property/Casualty Insurance | 936.54 B GBP | 0.31% | +0.62% | 12.68 K | Finance | 13 |
| Electric Utilities | 911.1 B GBP | 3.09% | −0.52% | 865.1 K | Utilities | 48 |
| Real Estate Investment Trusts | 852.4 B GBP | 3.87% | +0.49% | 111.51 K | Finance | 100 |
| Investment Managers | 848.21 B GBP | 3.87% | +1.20% | 87.5 K | Finance | 130 |
| Investment Banks/Brokers | 701.24 B GBP | 1.82% | +0.43% | 3.86 M | Finance | 35 |
| Aerospace & Defense | 625.79 B GBP | 1.15% | +0.71% | 1.93 M | Electronic technology | 37 |
| Household/Personal Care | 572.99 B GBP | 2.85% | +0.54% | 505.57 K | Consumer non-durables | 16 |
| Telecommunications Equipment | 556.32 B GBP | 2.04% | +0.81% | 23.32 K | Electronic technology | 34 |
| Multi-Line Insurance | 552.82 B GBP | 2.80% | −0.09% | 959.05 K | Finance | 22 |
| Wireless Telecommunications | 524.74 B GBP | 3.64% | −1.32% | 2.04 M | Communications | 8 |
| Miscellaneous Commercial Services | 476.83 B GBP | 0.79% | −2.35% | 730.67 K | Commercial services | 109 |
| Electrical Products | 458.7 B GBP | 1.07% | +2.24% | 79.82 K | Producer manufacturing | 41 |
| Information Technology Services | 450.67 B GBP | 1.43% | +0.80% | 7.44 K | Technology services | 70 |
| Tobacco | 382.85 B GBP | 4.64% | −1.34% | 510.03 K | Consumer non-durables | 5 |
| Trucks/Construction/Farm Machinery | 374.36 B GBP | 1.38% | +1.80% | 52.52 K | Producer manufacturing | 22 |
| Home Improvement Chains | 371.93 B GBP | 2.41% | +0.93% | 54.82 K | Retail trade | 4 |
| Restaurants | 361.76 B GBP | 1.93% | +0.28% | 507.04 K | Consumer services | 29 |
| Beverages: Non-Alcoholic | 361.32 B GBP | 2.38% | −0.69% | 28.34 K | Consumer non-durables | 11 |
| Chemicals: Specialty | 357.83 B GBP | 2.10% | +0.51% | 11.54 K | Process industries | 37 |
| Food: Specialty/Candy | 351.52 B GBP | 3.13% | +0.38% | 30.02 K | Consumer non-durables | 29 |
| Hotels/Resorts/Cruise lines | 348.46 B GBP | 0.67% | +1.55% | 111.14 K | Consumer services | 19 |
| Other Metals/Minerals | 342.26 B GBP | 3.83% | +0.62% | 961.45 K | Non-energy minerals | 97 |
| Regional Banks | 337.12 B GBP | 3.14% | +0.24% | 39.7 K | Finance | 47 |
| Wholesale Distributors | 315.15 B GBP | 2.23% | +1.52% | 6.29 M | Distribution services | 46 |
| Oil & Gas Pipelines | 296.07 B GBP | 4.08% | −0.29% | 13.35 K | Industrial services | 7 |
| Other Consumer Services | 283.53 B GBP | 0.64% | +0.60% | 18.22 K | Consumer services | 21 |
| Beverages: Alcoholic | 249.41 B GBP | 2.94% | +1.07% | 697.97 K | Consumer non-durables | 18 |
| Managed Health Care | 248.41 B GBP | 2.85% | +2.04% | 14.04 K | Health services | 3 |
| Industrial Machinery | 237.75 B GBP | 1.46% | +0.66% | 42.42 K | Producer manufacturing | 71 |
| Steel | 235.1 B GBP | 4.11% | +0.31% | 362.69 K | Non-energy minerals | 16 |
| Financial Publishing/Services | 233.59 B GBP | 0.67% | +0.81% | 1.6 K | Commercial services | 5 |
| Investment Trusts/Mutual Funds | 228.94 B GBP | 2.51% | +0.52% | 905.42 K | Miscellaneous | 4286 |
| Biotechnology | 226.92 B GBP | 1.78% | +2.06% | 14.84 K | Health technology | 63 |
| Insurance Brokers/Services | 222.75 B GBP | 1.16% | +0.01% | 232 | Finance | 8 |
| Electronic Equipment/Instruments | 219.6 B GBP | 1.01% | +2.28% | 173.85 K | Electronic technology | 34 |
| Movies/Entertainment | 212.12 B GBP | 0.76% | +3.08% | 91.61 K | Consumer services | 22 |
| Railroads | 198.17 B GBP | 2.07% | −0.02% | 1.17 K | Transportation | 5 |
| Precious Metals | 196.84 B GBP | 1.15% | −0.89% | 340.5 K | Non-energy minerals | 105 |
| Computer Processing Hardware | 192.34 B GBP | 1.50% | +3.25% | 9.29 K | Electronic technology | 7 |
| Computer Peripherals | 183.18 B GBP | 0.57% | +2.12% | 7.15 K | Electronic technology | 16 |
| Recreational Products | 175.45 B GBP | 1.58% | +0.18% | 2.69 K | Consumer durables | 16 |
| Specialty Telecommunications | 174.13 B GBP | 0.37% | +4.02% | 15.62 K | Communications | 6 |
| Apparel/Footwear Retail | 172.03 B GBP | 1.33% | +1.28% | 319.44 K | Retail trade | 13 |
| Apparel/Footwear | 158.6 B GBP | 1.51% | +1.65% | 60.34 K | Consumer non-durables | 22 |
| Other Transportation | 150.7 B GBP | 0.20% | −0.39% | 56.19 K | Transportation | 12 |
| Medical Distributors | 150.5 B GBP | 0.80% | −0.64% | 2.36 K | Distribution services | 12 |
| Data Processing Services | 149.58 B GBP | 1.30% | +0.16% | 1.14 K | Technology services | 20 |
| Air Freight/Couriers | 143.23 B GBP | 4.12% | +2.69% | 2.92 K | Transportation | 8 |
| Cable/Satellite TV | 142.17 B GBP | 2.56% | +0.60% | 3.15 K | Consumer services | 2 |
| Electronic Components | 140.48 B GBP | 1.05% | −2.69% | 57.94 K | Electronic technology | 26 |
| Real Estate Development | 131.9 B GBP | 2.22% | +1.12% | 94.41 K | Finance | 73 |
| Homebuilding | 130.06 B GBP | 1.48% | +0.05% | 598.41 K | Consumer durables | 27 |
| Environmental Services | 124.3 B GBP | 1.23% | −0.36% | 544 | Industrial services | 6 |
| Airlines | 120.18 B GBP | 1.14% | +2.35% | 179.73 K | Transportation | 13 |
| Auto Parts: OEM | 119.47 B GBP | 2.35% | +3.31% | 65.87 K | Producer manufacturing | 23 |
| Oil Refining/Marketing | 116.68 B GBP | 3.08% | −0.14% | 1.22 K | Energy minerals | 6 |
| Oil & Gas Production | 115.29 B GBP | 3.32% | +0.93% | 180.75 K | Energy minerals | 56 |
| Construction Materials | 113.16 B GBP | 1.21% | +0.84% | 233.7 K | Non-energy minerals | 17 |
| Financial Conglomerates | 109.34 B GBP | 2.27% | +0.87% | 300.2 K | Finance | 66 |
| Engineering & Construction | 97.49 B GBP | 1.68% | +1.96% | 90.03 K | Industrial services | 49 |
| Casinos/Gaming | 93.61 B GBP | 0.85% | +0.84% | 73.45 K | Consumer services | 8 |
| Gas Distributors | 89.05 B GBP | 2.88% | −0.75% | 1.66 M | Utilities | 8 |
| Industrial Specialties | 88.7 B GBP | 1.25% | +2.43% | 8.97 K | Process industries | 13 |
| Food Retail | 87.02 B GBP | 2.81% | +0.11% | 5.56 M | Retail trade | 10 |
| Agricultural Commodities/Milling | 76.97 B GBP | 2.24% | +0.14% | 5.84 K | Process industries | 20 |
| Building Products | 73.95 B GBP | 1.99% | −0.71% | 259 K | Producer manufacturing | 21 |
| Hospital/Nursing Management | 73.84 B GBP | 0.84% | −5.31% | 11.04 K | Health services | 9 |
| Life/Health Insurance | 71.39 B GBP | 3.82% | +1.95% | 435.61 K | Finance | 8 |
| Containers/Packaging | 69.73 B GBP | 2.47% | +2.00% | 124.87 K | Process industries | 14 |
| Drugstore Chains | 64.51 B GBP | 3.86% | +0.82% | 3.14 K | Retail trade | 2 |
| Advertising/Marketing Services | 60.19 B GBP | 2.24% | +5.95% | 395.1 K | Commercial services | 23 |
| Specialty Insurance | 49.28 B GBP | 1.76% | +0.52% | 3.96 K | Finance | 3 |
| Chemicals: Agricultural | 48.53 B GBP | 3.30% | +2.17% | 1.38 K | Process industries | 9 |
| Discount Stores | 43.69 B GBP | 1.57% | −0.49% | 810.37 K | Retail trade | 5 |
| Food: Major Diversified | 43.16 B GBP | 4.45% | +1.77% | 237.11 K | Consumer non-durables | 4 |
| Medical/Nursing Services | 41.36 B GBP | 0.51% | +1.79% | 6.64 K | Health services | 18 |
| Water Utilities | 39.76 B GBP | 3.41% | −1.86% | 533.04 K | Utilities | 4 |
| Pulp & Paper | 38.8 B GBP | 2.88% | +2.03% | 13.68 K | Process industries | 5 |
| Food: Meat/Fish/Dairy | 36.5 B GBP | 3.39% | +0.73% | 9.17 K | Consumer non-durables | 14 |
| Tools & Hardware | 34.81 B GBP | 2.72% | +1.40% | 557 | Consumer durables | 6 |
| Contract Drilling | 32.91 B GBP | 2.33% | +9.61% | 42.41 K | Industrial services | 6 |
| Food Distributors | 31.67 B GBP | 2.77% | +1.85% | 5.61 K | Distribution services | 8 |
| Chemicals: Major Diversified | 30.73 B GBP | 2.39% | +0.52% | 57.69 K | Process industries | 8 |
| Major Telecommunications | 29.5 B GBP | 3.44% | −2.02% | 6.07 M | Communications | 7 |
| Electronics/Appliances | 27.63 B GBP | 3.19% | +3.89% | 660.4 K | Consumer durables | 10 |
| Trucking | 24.71 B GBP | 0.83% | +1.98% | 3 | Transportation | 4 |
| Electronic Production Equipment | 20.92 B GBP | 0.96% | −0.67% | 84 K | Electronic technology | 16 |
| Broadcasting | 19.77 B GBP | 1.39% | +0.72% | 207 | Consumer services | 5 |
| Electronics/Appliance Stores | 19.24 B GBP | 3.22% | +1.36% | 1.47 K | Retail trade | 5 |