| Internet Software/Services | 7.65 T GBP | 0.28% | +0.50% | 118.08 K | Technology services | 40 |
| Packaged Software | 5.52 T GBP | 0.64% | +0.33% | 54.25 K | Technology services | 150 |
| Major Banks | 2.85 T GBP | 2.28% | +0.80% | 3.47 M | Finance | 54 |
| Semiconductors | 2.46 T GBP | 0.74% | −0.25% | 53.99 K | Electronic technology | 48 |
| Pharmaceuticals: Major | 2.36 T GBP | 2.38% | −0.45% | 668.54 K | Health technology | 98 |
| Internet Retail | 2.29 T GBP | 0.15% | −1.19% | 147.8 K | Retail trade | 20 |
| Motor Vehicles | 1.65 T GBP | 0.98% | +0.96% | 273.91 K | Consumer durables | 14 |
| Medical Specialties | 1.33 T GBP | 0.87% | −0.37% | 74.08 K | Health technology | 81 |
| Specialty Stores | 1.31 T GBP | 0.77% | −0.88% | 10.8 K | Retail trade | 43 |
| Integrated Oil | 1.28 T GBP | 4.22% | −0.59% | 2.68 M | Energy minerals | 37 |
| Property/Casualty Insurance | 1.05 T GBP | 0.35% | −0.66% | 14.07 K | Finance | 14 |
| Electric Utilities | 1.04 T GBP | 3.03% | −0.17% | 689.26 K | Utilities | 53 |
| Finance/Rental/Leasing | 973.3 B GBP | 0.78% | −0.64% | 56.37 K | Finance | 41 |
| Investment Managers | 873.93 B GBP | 2.51% | +1.20% | 112.69 K | Finance | 127 |
| Real Estate Investment Trusts | 856.53 B GBP | 4.00% | +0.65% | 207.52 K | Finance | 96 |
| Aerospace & Defense | 748.14 B GBP | 1.31% | +2.27% | 5.39 M | Electronic technology | 39 |
| Investment Banks/Brokers | 745.31 B GBP | 1.69% | +0.11% | 3.89 M | Finance | 33 |
| Telecommunications Equipment | 725.75 B GBP | 1.57% | +0.42% | 3.74 K | Electronic technology | 30 |
| Multi-Line Insurance | 570.81 B GBP | 2.34% | +0.15% | 947.03 K | Finance | 22 |
| Household/Personal Care | 548.86 B GBP | 3.03% | +0.08% | 609.91 K | Consumer non-durables | 16 |
| Wireless Telecommunications | 503.09 B GBP | 3.93% | +0.07% | 9.51 M | Communications | 9 |
| Electrical Products | 497.88 B GBP | 1.09% | +0.61% | 749.74 K | Producer manufacturing | 40 |
| Industrial Machinery | 480.86 B GBP | 1.13% | +1.08% | 30 K | Producer manufacturing | 72 |
| Other Metals/Minerals | 429.29 B GBP | 2.90% | +0.96% | 1.17 M | Non-energy minerals | 100 |
| Miscellaneous Commercial Services | 420.11 B GBP | 1.00% | +0.89% | 1.42 M | Commercial services | 102 |
| Trucks/Construction/Farm Machinery | 413.03 B GBP | 1.24% | +2.58% | 69.87 K | Producer manufacturing | 20 |
| Tobacco | 392.24 B GBP | 4.65% | −1.35% | 1.21 M | Consumer non-durables | 5 |
| Beverages: Non-Alcoholic | 388.03 B GBP | 2.34% | −0.15% | 49.32 K | Consumer non-durables | 12 |
| Home Improvement Chains | 379.83 B GBP | 2.42% | −1.51% | 149.58 K | Retail trade | 6 |
| Managed Health Care | 377.09 B GBP | 2.30% | −2.03% | 5.75 K | Health services | 5 |
| Information Technology Services | 371.8 B GBP | 1.48% | +1.40% | 10.67 K | Technology services | 66 |
| Food: Specialty/Candy | 351.79 B GBP | 3.25% | −0.39% | 41.42 K | Consumer non-durables | 26 |
| Restaurants | 336.79 B GBP | 2.15% | −0.15% | 596.98 K | Consumer services | 27 |
| Chemicals: Specialty | 328.64 B GBP | 2.08% | −0.99% | 14.57 K | Process industries | 38 |
| Precious Metals | 325.29 B GBP | 0.85% | +0.78% | 270.89 K | Non-energy minerals | 108 |
| Wholesale Distributors | 323.63 B GBP | 2.03% | +1.22% | 7.25 M | Distribution services | 46 |
| Hotels/Resorts/Cruise lines | 314.8 B GBP | 0.67% | −1.58% | 67.9 K | Consumer services | 18 |
| Oil & Gas Pipelines | 303.54 B GBP | 4.69% | +0.84% | 2.02 K | Industrial services | 7 |
| Regional Banks | 294.11 B GBP | 2.82% | +0.14% | 9.3 K | Finance | 43 |
| Other Consumer Services | 262.77 B GBP | 0.77% | −0.16% | 22.18 K | Consumer services | 21 |
| Biotechnology | 261.54 B GBP | 1.57% | −0.61% | 13.36 K | Health technology | 64 |
| Steel | 252.27 B GBP | 3.49% | +0.90% | 686.81 K | Non-energy minerals | 17 |
| Computer Peripherals | 246.81 B GBP | 0.44% | +1.44% | 6.35 K | Electronic technology | 16 |
| Specialty Telecommunications | 232.14 B GBP | 0.26% | +5.40% | 9.9 K | Communications | 6 |
| Financial Publishing/Services | 229.96 B GBP | 0.69% | +0.21% | 301 | Commercial services | 5 |
| Investment Trusts/Mutual Funds | 222.76 B GBP | 2.46% | +0.83% | 1.41 M | Miscellaneous | 4536 |
| Beverages: Alcoholic | 220.27 B GBP | 3.47% | −1.93% | 1.63 M | Consumer non-durables | 17 |
| Computer Processing Hardware | 219.28 B GBP | 0.94% | +0.80% | 22.45 K | Electronic technology | 6 |
| Railroads | 209.95 B GBP | 2.00% | +0.85% | 356 | Transportation | 4 |
| Apparel/Footwear Retail | 203.63 B GBP | 1.15% | +0.30% | 494.34 K | Retail trade | 11 |
| Electronic Components | 195.03 B GBP | 0.90% | +1.07% | 2.61 K | Electronic technology | 25 |
| Movies/Entertainment | 187.15 B GBP | 1.23% | +1.55% | 250.76 K | Consumer services | 25 |
| Medical Distributors | 174.64 B GBP | 0.74% | +0.06% | 1.08 K | Distribution services | 13 |
| Recreational Products | 170.41 B GBP | 1.27% | −0.26% | 2.72 K | Consumer durables | 17 |
| Data Processing Services | 163.32 B GBP | 1.66% | −0.33% | 385.77 K | Technology services | 21 |
| Air Freight/Couriers | 158.69 B GBP | 3.75% | −0.66% | 3.15 K | Transportation | 8 |
| Other Transportation | 150.04 B GBP | 0.20% | −0.16% | 29.91 K | Transportation | 11 |
| Electronic Equipment/Instruments | 148.89 B GBP | 1.06% | +1.62% | 123.17 K | Electronic technology | 28 |
| Insurance Brokers/Services | 146 B GBP | 0.97% | +0.54% | 765 | Finance | 7 |
| Apparel/Footwear | 142.67 B GBP | 1.74% | −0.75% | 76.82 K | Consumer non-durables | 21 |
| Homebuilding | 137.25 B GBP | 1.47% | −0.94% | 397.86 K | Consumer durables | 28 |
| Department Stores | 135.37 B GBP | 0.20% | −11.90% | 542.8 K | Retail trade | 4 |
| Auto Parts: OEM | 134.81 B GBP | 2.17% | +0.51% | 17.49 K | Producer manufacturing | 22 |
| Oil Refining/Marketing | 133.54 B GBP | 3.14% | −0.26% | 498 | Energy minerals | 7 |
| Construction Materials | 130.49 B GBP | 1.08% | −0.23% | 271.14 K | Non-energy minerals | 16 |
| Engineering & Construction | 129.06 B GBP | 1.61% | +1.35% | 76.73 K | Industrial services | 45 |
| Financial Conglomerates | 128.92 B GBP | 1.97% | +0.46% | 348.78 K | Finance | 56 |
| Airlines | 128.37 B GBP | 1.15% | +1.51% | 1.1 M | Transportation | 12 |
| Oil & Gas Production | 118.95 B GBP | 3.52% | +1.29% | 236.19 K | Energy minerals | 65 |
| Environmental Services | 115.7 B GBP | 1.37% | −0.40% | 786 | Industrial services | 5 |
| Real Estate Development | 112.52 B GBP | 1.70% | +0.20% | 184.92 K | Finance | 65 |
| Gas Distributors | 102.16 B GBP | 2.75% | −0.10% | 1.68 M | Utilities | 9 |
| Hospital/Nursing Management | 99.19 B GBP | 0.61% | +0.20% | 34.1 K | Health services | 11 |
| Cable/Satellite TV | 99.08 B GBP | 3.65% | +0.07% | 19.27 K | Consumer services | 3 |
| Casinos/Gaming | 89.59 B GBP | 0.88% | −1.81% | 158.53 K | Consumer services | 8 |
| Industrial Specialties | 86.29 B GBP | 1.29% | −0.27% | 9.18 K | Process industries | 11 |
| Agricultural Commodities/Milling | 78.11 B GBP | 2.25% | −0.41% | 3.32 K | Process industries | 20 |
| Food Retail | 77.29 B GBP | 2.93% | −0.54% | 5.55 M | Retail trade | 8 |
| Drugstore Chains | 71.32 B GBP | 3.55% | −0.77% | 3.18 K | Retail trade | 1 |
| Building Products | 66.62 B GBP | 2.23% | +0.05% | 119.86 K | Producer manufacturing | 21 |
| Containers/Packaging | 63.08 B GBP | 2.87% | +0.95% | 206 K | Process industries | 13 |
| Advertising/Marketing Services | 57.76 B GBP | 2.69% | +2.99% | 348.85 K | Commercial services | 20 |
| Life/Health Insurance | 55.71 B GBP | 4.36% | +0.35% | 598.33 K | Finance | 7 |
| Electronic Production Equipment | 50.12 B GBP | 0.38% | +4.29% | 44.19 K | Electronic technology | 15 |
| Contract Drilling | 44.39 B GBP | 1.74% | +0.66% | 25.27 K | Industrial services | 7 |
| Discount Stores | 43.75 B GBP | 1.19% | +4.94% | 123.69 K | Retail trade | 4 |
| Medical/Nursing Services | 41.96 B GBP | 0.51% | −0.37% | 22.93 K | Health services | 16 |
| Chemicals: Agricultural | 40.62 B GBP | 3.91% | +0.00% | 2.08 K | Process industries | 8 |
| Electronics/Appliances | 39.89 B GBP | 2.17% | +8.00% | 183.24 K | Consumer durables | 11 |
| Food: Major Diversified | 39.71 B GBP | 4.85% | −0.46% | 254.07 K | Consumer non-durables | 4 |
| Water Utilities | 38.5 B GBP | 3.50% | −0.52% | 435.26 K | Utilities | 4 |
| Food: Meat/Fish/Dairy | 36.89 B GBP | 3.63% | +1.23% | 14.74 K | Consumer non-durables | 14 |
| Tools & Hardware | 35.98 B GBP | 2.81% | +0.13% | 136 | Consumer durables | 6 |
| Food Distributors | 29.73 B GBP | 3.01% | +0.15% | 7.46 K | Distribution services | 10 |
| Trucking | 26.98 B GBP | 0.63% | +3.40% | 73 | Transportation | 3 |
| Pulp & Paper | 26.7 B GBP | 3.61% | +1.73% | 7.73 K | Process industries | 4 |
| Major Telecommunications | 26.56 B GBP | 3.89% | +0.13% | 10.48 M | Communications | 8 |
| Publishing: Newspapers | 26.25 B GBP | 1.21% | −0.08% | 17.45 K | Consumer services | 12 |
| Broadcasting | 22.75 B GBP | 1.22% | +6.12% | 218 | Consumer services | 6 |
| Electronics/Appliance Stores | 20.1 B GBP | 3.16% | −0.53% | 1.33 K | Retail trade | 5 |