| Packaged Software | 1.98 T GBP | 0.39% | −0.77% | 82.44 K | Technology services | 157 |
| Pharmaceuticals: Major | 1.7 T GBP | 1.90% | +0.25% | 467.76 K | Health technology | 107 |
| Semiconductors | 1.38 T GBP | 1.23% | −1.70% | 11.79 K | Electronic technology | 49 |
| Major Banks | 1.26 T GBP | 3.79% | −1.28% | 7.99 M | Finance | 46 |
| Medical Specialties | 1.16 T GBP | 0.72% | −0.53% | 87.8 K | Health technology | 81 |
| Electric Utilities | 922.48 B GBP | 3.35% | −1.38% | 381.38 K | Utilities | 50 |
| Real Estate Investment Trusts | 833.81 B GBP | 4.12% | −1.30% | 116.81 K | Finance | 101 |
| Investment Managers | 688.42 B GBP | 2.81% | −1.98% | 209.71 K | Finance | 157 |
| Information Technology Services | 651.29 B GBP | 0.97% | −1.27% | 21.15 K | Technology services | 69 |
| Integrated Oil | 650.72 B GBP | 6.01% | +1.07% | 9.15 M | Energy minerals | 38 |
| Aerospace & Defense | 640.58 B GBP | 1.09% | +0.43% | 1.22 M | Electronic technology | 37 |
| Specialty Stores | 635.61 B GBP | 0.62% | +0.46% | 8.24 K | Retail trade | 39 |
| Multi-Line Insurance | 500.6 B GBP | 2.52% | −2.83% | 1.08 M | Finance | 19 |
| Motor Vehicles | 496.06 B GBP | 2.90% | −2.53% | 42.14 K | Consumer durables | 12 |
| Investment Banks/Brokers | 483.1 B GBP | 1.88% | −0.90% | 4.69 M | Finance | 35 |
| Electrical Products | 409.94 B GBP | 1.28% | −0.86% | 94.47 K | Producer manufacturing | 42 |
| Trucks/Construction/Farm Machinery | 359.21 B GBP | 1.52% | −1.26% | 24.69 K | Producer manufacturing | 23 |
| Internet Software/Services | 358.94 B GBP | 0.51% | −1.43% | 246.99 K | Technology services | 34 |
| Chemicals: Specialty | 350.95 B GBP | 2.01% | −0.35% | 6 K | Process industries | 39 |
| Telecommunications Equipment | 348.06 B GBP | 1.88% | −2.16% | 4.33 K | Electronic technology | 28 |
| Oil & Gas Pipelines | 331.41 B GBP | 4.41% | +0.29% | 13.91 K | Industrial services | 6 |
| Other Metals/Minerals | 327.08 B GBP | 4.53% | +0.76% | 523.13 K | Non-energy minerals | 89 |
| Household/Personal Care | 318.97 B GBP | 2.88% | −0.95% | 808.24 K | Consumer non-durables | 17 |
| Regional Banks | 316.8 B GBP | 1.80% | −1.74% | 6.65 K | Finance | 37 |
| Electronic Equipment/Instruments | 312.1 B GBP | 0.97% | −1.09% | 197.38 K | Electronic technology | 36 |
| Industrial Machinery | 300.47 B GBP | 1.37% | −1.40% | 36.96 K | Producer manufacturing | 68 |
| Property/Casualty Insurance | 288.84 B GBP | 1.47% | −4.04% | 144.51 K | Finance | 16 |
| Hotels/Resorts/Cruise lines | 259.63 B GBP | 0.77% | +0.32% | 86.88 K | Consumer services | 18 |
| Wholesale Distributors | 250.86 B GBP | 2.10% | −1.08% | 8.61 M | Distribution services | 43 |
| Wireless Telecommunications | 248.39 B GBP | 2.51% | −1.02% | 5.61 M | Communications | 7 |
| Computer Processing Hardware | 236.76 B GBP | 1.21% | −1.52% | 6.49 K | Electronic technology | 10 |
| Miscellaneous Commercial Services | 236.01 B GBP | 1.55% | −0.71% | 2.08 M | Commercial services | 101 |
| Steel | 235.84 B GBP | 5.14% | +0.41% | 387.68 K | Non-energy minerals | 19 |
| Food: Specialty/Candy | 232.42 B GBP | 2.85% | −1.69% | 106.88 K | Consumer non-durables | 27 |
| Restaurants | 226.91 B GBP | 1.48% | −1.69% | 388.88 K | Consumer services | 32 |
| Financial Publishing/Services | 219.92 B GBP | 0.73% | −1.90% | 1.31 K | Commercial services | 4 |
| Railroads | 209.31 B GBP | 2.11% | −1.11% | 2.1 K | Transportation | 5 |
| Oil & Gas Production | 202.98 B GBP | 2.96% | +2.78% | 487.5 K | Energy minerals | 65 |
| Apparel/Footwear Retail | 196.86 B GBP | 1.25% | +0.58% | 483.23 K | Retail trade | 15 |
| Managed Health Care | 187.54 B GBP | 1.52% | +1.23% | 1.02 K | Health services | 4 |
| Beverages: Alcoholic | 187.36 B GBP | 3.39% | −3.97% | 1.39 M | Consumer non-durables | 19 |
| Computer Peripherals | 185.98 B GBP | 0.33% | −1.28% | 10.31 K | Electronic technology | 16 |
| Air Freight/Couriers | 175.81 B GBP | 3.44% | −1.41% | 52.68 K | Transportation | 8 |
| Medical Distributors | 175.09 B GBP | 1.10% | −0.40% | 5.34 M | Distribution services | 14 |
| Other Consumer Services | 174.72 B GBP | 0.41% | −0.52% | 23.57 K | Consumer services | 18 |
| Real Estate Development | 174.42 B GBP | 2.57% | −1.46% | 111.22 K | Finance | 75 |
| Data Processing Services | 171.84 B GBP | 1.08% | −0.83% | 1.01 K | Technology services | 21 |
| Investment Trusts/Mutual Funds | 161.05 B GBP | 2.34% | −0.60% | 757.7 K | Miscellaneous | 4028 |
| Tobacco | 155.18 B GBP | 7.61% | −0.96% | 1.28 M | Consumer non-durables | 5 |
| Insurance Brokers/Services | 145.89 B GBP | 0.86% | +0.14% | 788 | Finance | 6 |
| Specialty Telecommunications | 144.73 B GBP | 0.46% | −0.74% | 9.91 K | Communications | 7 |
| Precious Metals | 141.96 B GBP | 1.38% | +2.74% | 278.61 K | Non-energy minerals | 105 |
| Homebuilding | 139.64 B GBP | 1.43% | −0.51% | 684.77 K | Consumer durables | 27 |
| Finance/Rental/Leasing | 138.59 B GBP | 1.52% | −1.34% | 190.02 K | Finance | 43 |
| Recreational Products | 132.98 B GBP | 2.23% | +1.31% | 4.58 K | Consumer durables | 17 |
| Auto Parts: OEM | 123.82 B GBP | 2.36% | −0.79% | 84.76 K | Producer manufacturing | 24 |
| Construction Materials | 123.21 B GBP | 1.12% | −0.83% | 246.6 K | Non-energy minerals | 16 |
| Environmental Services | 121.29 B GBP | 1.30% | +0.86% | 4.59 K | Industrial services | 7 |
| Home Improvement Chains | 120.83 B GBP | 1.98% | +1.74% | 209.26 K | Retail trade | 5 |
| Internet Retail | 120.21 B GBP | 0.00% | +0.81% | 29.3 K | Retail trade | 19 |
| Electronic Components | 116.84 B GBP | 1.35% | −1.13% | 24.83 K | Electronic technology | 22 |
| Oil Refining/Marketing | 113.71 B GBP | 3.42% | +1.36% | 1.22 K | Energy minerals | 6 |
| Industrial Specialties | 111.15 B GBP | 1.22% | −1.29% | 17.55 K | Process industries | 13 |
| Biotechnology | 99.54 B GBP | 0.27% | −2.09% | 19.63 K | Health technology | 69 |
| Financial Conglomerates | 99.26 B GBP | 2.21% | −0.38% | 364.91 K | Finance | 74 |
| Airlines | 96.32 B GBP | 0.84% | +6.61% | 205.57 K | Transportation | 12 |
| Casinos/Gaming | 92.49 B GBP | 0.73% | −0.86% | 193.95 K | Consumer services | 8 |
| Containers/Packaging | 91.24 B GBP | 2.33% | −0.27% | 272.64 K | Process industries | 15 |
| Engineering & Construction | 86.16 B GBP | 1.70% | −0.39% | 84.3 K | Industrial services | 50 |
| Building Products | 81.65 B GBP | 1.92% | −0.63% | 29.62 K | Producer manufacturing | 21 |
| Cable/Satellite TV | 80.74 B GBP | — | +0.33% | 96 | Consumer services | 1 |
| Food Retail | 80.14 B GBP | 3.07% | −0.64% | 5.27 M | Retail trade | 10 |
| Hospital/Nursing Management | 76.24 B GBP | 0.84% | −1.38% | 6.29 K | Health services | 9 |
| Movies/Entertainment | 73.68 B GBP | 0.50% | +0.33% | 376.99 K | Consumer services | 28 |
| Beverages: Non-Alcoholic | 72.35 B GBP | 0.72% | −2.27% | 72.07 K | Consumer non-durables | 8 |
| Life/Health Insurance | 70.71 B GBP | 3.61% | −2.37% | 2.59 M | Finance | 8 |
| Trucking | 60.05 B GBP | 0.62% | −0.93% | 384 | Transportation | 4 |
| Gas Distributors | 56.83 B GBP | 2.18% | +1.81% | 7.86 M | Utilities | 7 |
| Drugstore Chains | 53.53 B GBP | 6.39% | +6.59% | 95.8 K | Retail trade | 2 |
| Food: Major Diversified | 52.3 B GBP | 4.34% | −2.16% | 303.92 K | Consumer non-durables | 4 |
| Electronics/Appliances | 49.07 B GBP | 2.43% | −0.77% | 130 K | Consumer durables | 12 |
| Chemicals: Agricultural | 46.61 B GBP | 3.72% | −0.39% | 1.28 K | Process industries | 9 |
| Apparel/Footwear | 46.57 B GBP | 0.83% | +0.81% | 112.55 K | Consumer non-durables | 21 |
| Services to the Health Industry | 44.11 B GBP | 0.62% | +0.36% | 371 | Health services | 2 |
| Contract Drilling | 41.37 B GBP | 1.86% | +0.28% | 9.79 K | Industrial services | 7 |
| Food: Meat/Fish/Dairy | 39.17 B GBP | 3.39% | −0.97% | 8.7 K | Consumer non-durables | 13 |
| Water Utilities | 34.75 B GBP | 3.78% | −0.37% | 478.67 K | Utilities | 4 |
| Medical/Nursing Services | 34.08 B GBP | 0.64% | −0.10% | 5.65 K | Health services | 18 |
| Advertising/Marketing Services | 33.9 B GBP | 3.93% | −1.50% | 1.25 M | Commercial services | 24 |
| Discount Stores | 33.04 B GBP | 2.34% | +2.13% | 2.64 M | Retail trade | 5 |
| Food Distributors | 30.43 B GBP | 2.75% | +0.96% | 2.6 K | Distribution services | 6 |
| Publishing: Newspapers | 29.12 B GBP | 1.03% | −0.52% | 2.5 K | Consumer services | 8 |
| Chemicals: Major Diversified | 29.03 B GBP | 2.44% | −1.64% | 42.02 K | Process industries | 7 |
| Tools & Hardware | 28.65 B GBP | 3.38% | −0.79% | 296 | Consumer durables | 6 |
| Electronic Production Equipment | 28.25 B GBP | 0.70% | −1.91% | 10.35 K | Electronic technology | 16 |
| Department Stores | 26.25 B GBP | 2.87% | −1.52% | 3.82 M | Retail trade | 5 |
| Agricultural Commodities/Milling | 26.13 B GBP | 4.00% | +2.95% | 12.75 K | Process industries | 18 |
| Pulp & Paper | 22.71 B GBP | 2.95% | +0.72% | 1.55 K | Process industries | 3 |
| Major Telecommunications | 22.2 B GBP | 3.64% | −3.03% | 9.31 M | Communications | 7 |
| Oilfield Services/Equipment | 21.03 B GBP | 2.41% | +0.60% | 53.06 K | Industrial services | 11 |