| Packaged Software | 2.07 T GBP | 0.36% | +0.87% | 152.28 K | Technology services | 156 |
| Pharmaceuticals: Major | 1.6 T GBP | 1.98% | −2.86% | 869.79 K | Health technology | 110 |
| Semiconductors | 1.31 T GBP | 1.27% | +3.20% | 58.98 K | Electronic technology | 49 |
| Major Banks | 1.23 T GBP | 3.84% | −0.37% | 20.02 M | Finance | 48 |
| Medical Specialties | 1.11 T GBP | 0.75% | +0.34% | 90.69 K | Health technology | 81 |
| Electric Utilities | 909.22 B GBP | 3.35% | +0.08% | 1.17 M | Utilities | 51 |
| Real Estate Investment Trusts | 847.22 B GBP | 4.04% | +0.53% | 321.4 K | Finance | 105 |
| Investment Managers | 709.64 B GBP | 2.91% | −0.46% | 432.23 K | Finance | 163 |
| Information Technology Services | 674.6 B GBP | 0.93% | −0.26% | 19.34 K | Technology services | 74 |
| Aerospace & Defense | 645.17 B GBP | 1.06% | +0.29% | 2.55 M | Electronic technology | 38 |
| Specialty Stores | 640.47 B GBP | 0.61% | −0.45% | 28.87 K | Retail trade | 42 |
| Integrated Oil | 621.65 B GBP | 6.52% | +0.29% | 13.45 M | Energy minerals | 39 |
| Multi-Line Insurance | 492.26 B GBP | 2.54% | +0.11% | 1.37 M | Finance | 19 |
| Investment Banks/Brokers | 480.44 B GBP | 1.86% | −0.15% | 5.39 M | Finance | 35 |
| Motor Vehicles | 449.84 B GBP | 3.16% | +1.34% | 756.64 K | Consumer durables | 13 |
| Electrical Products | 408.25 B GBP | 1.26% | +0.20% | 35.12 K | Producer manufacturing | 46 |
| Internet Software/Services | 355.09 B GBP | 0.51% | +2.59% | 532.68 K | Technology services | 35 |
| Chemicals: Specialty | 350.28 B GBP | 1.99% | +0.04% | 18.61 K | Process industries | 38 |
| Telecommunications Equipment | 332.1 B GBP | 1.94% | −0.25% | 1.73 K | Electronic technology | 29 |
| Household/Personal Care | 319.95 B GBP | 2.85% | −0.42% | 2.9 M | Consumer non-durables | 16 |
| Regional Banks | 318.47 B GBP | 1.89% | −0.21% | 11.64 K | Finance | 48 |
| Other Metals/Minerals | 317.51 B GBP | 4.62% | −0.18% | 1.89 M | Non-energy minerals | 97 |
| Oil & Gas Pipelines | 309.69 B GBP | 4.62% | +1.95% | 2.75 K | Industrial services | 6 |
| Electronic Equipment/Instruments | 302.68 B GBP | 0.98% | +0.02% | 380.89 K | Electronic technology | 38 |
| Industrial Machinery | 290.1 B GBP | 1.41% | −0.05% | 59.11 K | Producer manufacturing | 68 |
| Property/Casualty Insurance | 287.69 B GBP | 1.42% | +0.64% | 137.05 K | Finance | 16 |
| Hotels/Resorts/Cruise lines | 267.87 B GBP | 0.74% | +2.44% | 350.03 K | Consumer services | 19 |
| Wholesale Distributors | 251 B GBP | 2.10% | +0.00% | 8.88 M | Distribution services | 43 |
| Wireless Telecommunications | 243.17 B GBP | 2.41% | −0.16% | 11.04 M | Communications | 6 |
| Food: Specialty/Candy | 235.3 B GBP | 2.77% | −0.38% | 72.78 K | Consumer non-durables | 27 |
| Steel | 234.11 B GBP | 5.12% | +0.55% | 474.66 K | Non-energy minerals | 20 |
| Restaurants | 232.13 B GBP | 1.42% | +0.79% | 895.61 K | Consumer services | 31 |
| Computer Processing Hardware | 231.72 B GBP | 1.21% | +2.45% | 27.84 K | Electronic technology | 9 |
| Miscellaneous Commercial Services | 231.41 B GBP | 1.58% | −0.13% | 3 M | Commercial services | 100 |
| Trucks/Construction/Farm Machinery | 218.52 B GBP | 1.47% | −0.36% | 42.37 K | Producer manufacturing | 21 |
| Financial Publishing/Services | 215.61 B GBP | 0.73% | +0.60% | 525 | Commercial services | 4 |
| Railroads | 202.06 B GBP | 2.15% | +0.11% | 646 | Transportation | 4 |
| Apparel/Footwear Retail | 192.32 B GBP | 1.26% | +1.82% | 782.88 K | Retail trade | 16 |
| Beverages: Alcoholic | 189.57 B GBP | 3.44% | −0.88% | 2.2 M | Consumer non-durables | 19 |
| Oil & Gas Production | 183.88 B GBP | 3.22% | −0.55% | 172.86 K | Energy minerals | 64 |
| Computer Peripherals | 178.9 B GBP | 0.33% | +3.86% | 9.39 K | Electronic technology | 16 |
| Managed Health Care | 177.34 B GBP | 1.58% | +1.71% | 41.11 K | Health services | 4 |
| Other Consumer Services | 172.45 B GBP | 0.41% | +1.47% | 38.1 K | Consumer services | 18 |
| Air Freight/Couriers | 172.2 B GBP | 3.45% | +1.78% | 311.52 K | Transportation | 8 |
| Data Processing Services | 169.29 B GBP | 1.08% | +0.42% | 2.89 K | Technology services | 21 |
| Medical Distributors | 168.92 B GBP | 1.13% | +0.57% | 6.74 M | Distribution services | 16 |
| Investment Trusts/Mutual Funds | 157.76 B GBP | 2.37% | +0.45% | 1.63 M | Miscellaneous | 4090 |
| Real Estate Development | 154.93 B GBP | 2.64% | +0.10% | 274.95 K | Finance | 75 |
| Tobacco | 149.88 B GBP | 7.79% | −1.03% | 3.04 M | Consumer non-durables | 5 |
| Insurance Brokers/Services | 144.41 B GBP | 0.86% | +0.98% | 407 | Finance | 6 |
| Homebuilding | 141.58 B GBP | 1.39% | +0.72% | 1.01 M | Consumer durables | 27 |
| Finance/Rental/Leasing | 136.68 B GBP | 1.53% | +0.20% | 334.24 K | Finance | 44 |
| Specialty Telecommunications | 134.44 B GBP | 0.49% | −3.10% | 240.35 K | Communications | 7 |
| Auto Parts: OEM | 134.34 B GBP | 2.14% | −0.00% | 126.11 K | Producer manufacturing | 24 |
| Precious Metals | 132.01 B GBP | 1.46% | −1.19% | 748.93 K | Non-energy minerals | 104 |
| Recreational Products | 131.57 B GBP | 2.17% | −2.54% | 68.95 K | Consumer durables | 17 |
| Construction Materials | 124.18 B GBP | 1.10% | +0.40% | 443.11 K | Non-energy minerals | 17 |
| Environmental Services | 118.53 B GBP | 1.32% | −0.32% | 5.34 K | Industrial services | 8 |
| Home Improvement Chains | 118.23 B GBP | 1.97% | −0.07% | 389.64 K | Retail trade | 4 |
| Internet Retail | 116.57 B GBP | 0.00% | +1.78% | 91.41 K | Retail trade | 18 |
| Electronic Components | 114.41 B GBP | 1.35% | −0.77% | 15.6 K | Electronic technology | 23 |
| Industrial Specialties | 112.15 B GBP | 1.19% | −0.58% | 18.47 K | Process industries | 12 |
| Oil Refining/Marketing | 105.63 B GBP | 3.62% | −0.37% | 695 | Energy minerals | 6 |
| Containers/Packaging | 96.93 B GBP | 2.17% | −0.86% | 632.34 K | Process industries | 17 |
| Casinos/Gaming | 95.77 B GBP | 0.70% | +1.31% | 281.77 K | Consumer services | 9 |
| Biotechnology | 95.44 B GBP | 0.28% | +1.04% | 55.75 K | Health technology | 71 |
| Financial Conglomerates | 94.94 B GBP | 2.75% | −0.46% | 755.94 K | Finance | 75 |
| Airlines | 93.53 B GBP | 0.86% | +1.42% | 145.12 K | Transportation | 12 |
| Engineering & Construction | 84.45 B GBP | 1.71% | +1.03% | 94.05 K | Industrial services | 47 |
| Food Retail | 81.54 B GBP | 3.00% | +0.66% | 13.03 M | Retail trade | 10 |
| Building Products | 80.87 B GBP | 1.91% | −0.70% | 410.57 K | Producer manufacturing | 20 |
| Cable/Satellite TV | 79.95 B GBP | — | −0.86% | 22 | Consumer services | 1 |
| Movies/Entertainment | 74.45 B GBP | 0.49% | +0.39% | 1.28 M | Consumer services | 30 |
| Hospital/Nursing Management | 72.49 B GBP | 0.84% | +1.61% | 17.64 K | Health services | 8 |
| Beverages: Non-Alcoholic | 71.37 B GBP | 0.71% | +1.13% | 58.09 K | Consumer non-durables | 8 |
| Trucking | 58.6 B GBP | 0.63% | −4.41% | 1.13 K | Transportation | 4 |
| Food: Major Diversified | 53.83 B GBP | 4.18% | −0.31% | 506.69 K | Consumer non-durables | 4 |
| Gas Distributors | 52.75 B GBP | 2.32% | +0.49% | 4.28 M | Utilities | 7 |
| Drugstore Chains | 51.24 B GBP | 6.57% | +1.13% | 14.71 K | Retail trade | 2 |
| Electronics/Appliances | 48.48 B GBP | 2.33% | −0.42% | 603.87 K | Consumer durables | 12 |
| Apparel/Footwear | 45.83 B GBP | 0.83% | +0.55% | 242.1 K | Consumer non-durables | 21 |
| Chemicals: Agricultural | 44.03 B GBP | 3.75% | +0.74% | 1.89 K | Process industries | 9 |
| Services to the Health Industry | 42.3 B GBP | 0.63% | +3.19% | 511 | Health services | 2 |
| Food: Meat/Fish/Dairy | 40.06 B GBP | 3.27% | −0.32% | 18.17 K | Consumer non-durables | 14 |
| Contract Drilling | 37.63 B GBP | 2.01% | +0.12% | 1.95 K | Industrial services | 7 |
| Life/Health Insurance | 36.99 B GBP | 2.83% | −0.75% | 8.71 M | Finance | 7 |
| Water Utilities | 36.48 B GBP | 3.61% | −1.04% | 1.33 M | Utilities | 5 |
| Advertising/Marketing Services | 35.88 B GBP | 3.67% | +0.65% | 1.95 M | Commercial services | 22 |
| Discount Stores | 34.29 B GBP | 1.65% | +3.10% | 3.1 M | Retail trade | 5 |
| Medical/Nursing Services | 34.1 B GBP | 0.64% | +0.74% | 6.38 K | Health services | 20 |
| Chemicals: Major Diversified | 31.71 B GBP | 2.30% | +0.39% | 123.99 K | Process industries | 8 |
| Food Distributors | 30.78 B GBP | 2.67% | +0.58% | 1.56 K | Distribution services | 6 |
| Publishing: Newspapers | 29.59 B GBP | 1.16% | −1.70% | 7.44 K | Consumer services | 11 |
| Tools & Hardware | 28.62 B GBP | 3.34% | +0.15% | 482 | Consumer durables | 6 |
| Department Stores | 27.51 B GBP | 2.74% | +0.87% | 4.46 M | Retail trade | 6 |
| Agricultural Commodities/Milling | 27.21 B GBP | 3.89% | +1.14% | 39.3 K | Process industries | 20 |
| Electronic Production Equipment | 26.23 B GBP | 0.75% | −0.65% | 60.6 K | Electronic technology | 17 |
| Major Telecommunications | 24.87 B GBP | 3.59% | +2.14% | 22.87 M | Communications | 8 |
| Pulp & Paper | 22.09 B GBP | 2.99% | −1.00% | 831 | Process industries | 3 |
| Oilfield Services/Equipment | 19.62 B GBP | 2.51% | +1.29% | 91.7 K | Industrial services | 10 |