| Internet Software/Services | 7.04 T GBP | 0.30% | −3.27% | 117.99 K | Technology services | 41 |
| Packaged Software | 5.82 T GBP | 0.62% | −1.48% | 106.75 K | Technology services | 149 |
| Major Banks | 2.79 T GBP | 2.85% | −0.48% | 3.48 M | Finance | 55 |
| Internet Retail | 2.45 T GBP | 0.15% | −2.22% | 1.35 M | Retail trade | 19 |
| Semiconductors | 2.4 T GBP | 0.79% | −3.68% | 50.56 K | Electronic technology | 48 |
| Pharmaceuticals: Major | 2.38 T GBP | 2.52% | −0.50% | 708.11 K | Health technology | 99 |
| Motor Vehicles | 1.66 T GBP | 0.99% | −2.53% | 338.5 K | Consumer durables | 14 |
| Medical Specialties | 1.31 T GBP | 0.92% | +0.76% | 61.57 K | Health technology | 81 |
| Integrated Oil | 1.28 T GBP | 4.46% | +1.41% | 1.99 M | Energy minerals | 37 |
| Specialty Stores | 1.23 T GBP | 0.80% | +0.89% | 12.03 K | Retail trade | 40 |
| Property/Casualty Insurance | 1.05 T GBP | 0.35% | +1.07% | 10.96 K | Finance | 14 |
| Finance/Rental/Leasing | 996.14 B GBP | 0.75% | +0.33% | 87.99 K | Finance | 40 |
| Electric Utilities | 993.09 B GBP | 2.99% | +0.13% | 1.08 M | Utilities | 52 |
| Real Estate Investment Trusts | 880.54 B GBP | 3.91% | −0.07% | 103.06 K | Finance | 99 |
| Investment Managers | 859.07 B GBP | 2.61% | −0.02% | 129.69 K | Finance | 129 |
| Aerospace & Defense | 770.74 B GBP | 1.02% | −0.62% | 5.07 M | Electronic technology | 37 |
| Investment Banks/Brokers | 740.91 B GBP | 1.72% | −0.20% | 2.57 M | Finance | 33 |
| Telecommunications Equipment | 705.47 B GBP | 1.65% | −1.33% | 8.95 K | Electronic technology | 30 |
| Multi-Line Insurance | 576.04 B GBP | 2.34% | +0.93% | 1 M | Finance | 22 |
| Household/Personal Care | 557.12 B GBP | 3.02% | +0.37% | 447.86 K | Consumer non-durables | 17 |
| Electrical Products | 499.01 B GBP | 1.10% | −1.77% | 57.54 K | Producer manufacturing | 41 |
| Wireless Telecommunications | 492.53 B GBP | 4.04% | +1.14% | 4.81 M | Communications | 8 |
| Industrial Machinery | 491.66 B GBP | 1.13% | −0.79% | 23.5 K | Producer manufacturing | 71 |
| Trucks/Construction/Farm Machinery | 427.73 B GBP | 1.24% | −1.85% | 34.16 K | Producer manufacturing | 21 |
| Miscellaneous Commercial Services | 423.51 B GBP | 0.99% | −2.52% | 1.73 M | Commercial services | 97 |
| Other Metals/Minerals | 415.93 B GBP | 3.02% | −1.45% | 651.1 K | Non-energy minerals | 102 |
| Home Improvement Chains | 388.09 B GBP | 2.40% | +0.23% | 37.58 K | Retail trade | 5 |
| Tobacco | 387.45 B GBP | 4.80% | +1.03% | 895.74 K | Consumer non-durables | 5 |
| Beverages: Non-Alcoholic | 383.02 B GBP | 2.41% | +2.20% | 70.45 K | Consumer non-durables | 12 |
| Managed Health Care | 368.27 B GBP | 2.39% | −1.60% | 16.9 K | Health services | 5 |
| Information Technology Services | 361.1 B GBP | 1.55% | +0.55% | 13.34 K | Technology services | 62 |
| Food: Specialty/Candy | 354.31 B GBP | 3.27% | +0.99% | 36.69 K | Consumer non-durables | 26 |
| Regional Banks | 340.8 B GBP | 3.23% | −0.01% | 16.79 K | Finance | 42 |
| Restaurants | 337.44 B GBP | 2.19% | +0.41% | 378.75 K | Consumer services | 31 |
| Wholesale Distributors | 330.45 B GBP | 2.09% | −0.65% | 2.39 M | Distribution services | 44 |
| Chemicals: Specialty | 326.64 B GBP | 2.12% | +0.08% | 9.7 K | Process industries | 37 |
| Hotels/Resorts/Cruise lines | 316.42 B GBP | 0.68% | +0.47% | 109.09 K | Consumer services | 19 |
| Specialty Telecommunications | 311.19 B GBP | 0.20% | −8.82% | 13.1 K | Communications | 7 |
| Oil & Gas Pipelines | 300.25 B GBP | 4.34% | +0.39% | 1.58 K | Industrial services | 7 |
| Precious Metals | 293.44 B GBP | 0.94% | +0.42% | 150.8 K | Non-energy minerals | 106 |
| Computer Peripherals | 267.99 B GBP | 0.41% | −2.52% | 6.78 K | Electronic technology | 16 |
| Other Consumer Services | 265.82 B GBP | 0.77% | +1.86% | 12.01 K | Consumer services | 21 |
| Biotechnology | 247.04 B GBP | 1.69% | −0.12% | 10.71 K | Health technology | 62 |
| Steel | 245.95 B GBP | 3.64% | −1.64% | 773.54 K | Non-energy minerals | 16 |
| Financial Publishing/Services | 232.15 B GBP | 0.69% | −0.32% | 204 | Commercial services | 5 |
| Investment Trusts/Mutual Funds | 230.87 B GBP | 2.37% | −0.91% | 1.14 M | Miscellaneous | 4509 |
| Computer Processing Hardware | 228.9 B GBP | 1.30% | −3.38% | 9.89 K | Electronic technology | 6 |
| Beverages: Alcoholic | 220.05 B GBP | 3.37% | +1.59% | 988.55 K | Consumer non-durables | 19 |
| Railroads | 204.32 B GBP | 2.09% | +0.65% | 669 | Transportation | 4 |
| Electronic Components | 199.89 B GBP | 0.89% | −1.28% | 33.85 K | Electronic technology | 26 |
| Movies/Entertainment | 196.82 B GBP | 0.84% | +0.27% | 720.79 K | Consumer services | 26 |
| Apparel/Footwear Retail | 196.19 B GBP | 1.21% | +0.91% | 221.02 K | Retail trade | 12 |
| Recreational Products | 186.91 B GBP | 1.20% | +3.82% | 39.11 K | Consumer durables | 17 |
| Medical Distributors | 185.77 B GBP | 0.70% | +1.35% | 2.48 K | Distribution services | 13 |
| Data Processing Services | 169.44 B GBP | 1.60% | +0.23% | 300.67 K | Technology services | 21 |
| Department Stores | 156.87 B GBP | 0.17% | +4.78% | 271.73 K | Retail trade | 4 |
| Air Freight/Couriers | 154.55 B GBP | 3.90% | +0.95% | 1.65 K | Transportation | 8 |
| Other Transportation | 154.03 B GBP | 0.19% | −1.04% | 56.99 K | Transportation | 11 |
| Insurance Brokers/Services | 149.91 B GBP | 0.96% | +1.08% | 283 | Finance | 7 |
| Electronic Equipment/Instruments | 144.68 B GBP | 1.10% | −1.54% | 518 K | Electronic technology | 28 |
| Apparel/Footwear | 144.52 B GBP | 1.71% | −2.87% | 68.23 K | Consumer non-durables | 22 |
| Oil Refining/Marketing | 136.78 B GBP | 2.70% | −0.23% | 406 | Energy minerals | 7 |
| Engineering & Construction | 132.94 B GBP | 1.59% | −1.35% | 79.19 K | Industrial services | 46 |
| Auto Parts: OEM | 131.14 B GBP | 2.26% | +0.84% | 56.58 K | Producer manufacturing | 22 |
| Homebuilding | 128.91 B GBP | 1.57% | −0.62% | 476.55 K | Consumer durables | 27 |
| Construction Materials | 126.73 B GBP | 1.13% | −1.01% | 171.58 K | Non-energy minerals | 14 |
| Financial Conglomerates | 122.62 B GBP | 2.03% | −0.81% | 295.76 K | Finance | 56 |
| Cable/Satellite TV | 121.46 B GBP | 3.03% | −1.21% | 10.25 K | Consumer services | 3 |
| Oil & Gas Production | 115.39 B GBP | 3.72% | +1.06% | 215.28 K | Energy minerals | 64 |
| Environmental Services | 111.03 B GBP | 1.46% | −0.03% | 5.46 K | Industrial services | 5 |
| Gas Distributors | 105.14 B GBP | 2.70% | −0.36% | 2.52 M | Utilities | 9 |
| Real Estate Development | 98.82 B GBP | 1.95% | +0.36% | 119.48 K | Finance | 65 |
| Hospital/Nursing Management | 98.04 B GBP | 0.61% | +1.26% | 5.93 K | Health services | 10 |
| Airlines | 97.14 B GBP | 1.28% | −1.47% | 9.15 M | Transportation | 12 |
| Casinos/Gaming | 89.75 B GBP | 0.89% | +1.75% | 162.85 K | Consumer services | 8 |
| Industrial Specialties | 86.78 B GBP | 1.30% | +1.07% | 24.66 K | Process industries | 11 |
| Food Retail | 80 B GBP | 2.86% | +0.68% | 5.66 M | Retail trade | 8 |
| Agricultural Commodities/Milling | 77.02 B GBP | 2.31% | −0.56% | 3.28 K | Process industries | 20 |
| Drugstore Chains | 76.33 B GBP | 3.37% | −0.87% | 7.54 K | Retail trade | 1 |
| Building Products | 63.64 B GBP | 2.33% | −1.05% | 71.74 K | Producer manufacturing | 19 |
| Containers/Packaging | 62.95 B GBP | 2.91% | +0.33% | 177.51 K | Process industries | 12 |
| Electronic Production Equipment | 55.29 B GBP | 0.34% | −6.68% | 103.34 K | Electronic technology | 15 |
| Life/Health Insurance | 54.56 B GBP | 4.50% | +0.06% | 531.08 K | Finance | 7 |
| Advertising/Marketing Services | 52.89 B GBP | 2.25% | +0.30% | 572.49 K | Commercial services | 23 |
| Contract Drilling | 41.83 B GBP | 1.88% | −0.28% | 29.31 K | Industrial services | 6 |
| Chemicals: Agricultural | 41.46 B GBP | 3.88% | +0.55% | 2.92 K | Process industries | 9 |
| Food: Major Diversified | 41.46 B GBP | 4.70% | +0.86% | 687.32 K | Consumer non-durables | 4 |
| Discount Stores | 41.08 B GBP | 1.70% | +0.48% | 186.81 K | Retail trade | 4 |
| Water Utilities | 38.63 B GBP | 3.55% | −0.29% | 300.44 K | Utilities | 4 |
| Electronics/Appliances | 38.12 B GBP | 2.27% | −0.25% | 163.22 K | Consumer durables | 11 |
| Tools & Hardware | 36.36 B GBP | 2.83% | −0.35% | 291 | Consumer durables | 7 |
| Food: Meat/Fish/Dairy | 35.94 B GBP | 3.74% | +0.38% | 15 K | Consumer non-durables | 15 |
| Pulp & Paper | 33.49 B GBP | 3.43% | +2.06% | 25.06 K | Process industries | 5 |
| Medical/Nursing Services | 30.65 B GBP | 0.71% | +0.45% | 6.31 K | Health services | 17 |
| Major Telecommunications | 30.4 B GBP | 2.69% | −3.18% | 13.08 M | Communications | 8 |
| Food Distributors | 29.92 B GBP | 2.93% | +0.58% | 1.46 K | Distribution services | 8 |
| Publishing: Newspapers | 28.06 B GBP | 1.14% | +2.76% | 23 K | Consumer services | 11 |
| Trucking | 26.26 B GBP | 0.66% | +0.43% | 78 | Transportation | 3 |
| Electronics/Appliance Stores | 20.57 B GBP | 3.14% | −6.32% | 523 | Retail trade | 5 |
| Chemicals: Major Diversified | 19.54 B GBP | 2.48% | +0.07% | 84.5 K | Process industries | 8 |