Observatory · observe first
Follow the allocation change
Matched S&P 500 members → sector → industry → sub-industry → company. Each step uses the same percentage points.
Historical time machine
Historical observation
20182026
1 · Sector
Weight and 12M allocation change
2 · Industry
Inside Information Technology
Systems Software0.01%-5.08 ppApplication Software0.00%-3.31 ppSemiconductors0.00%-3.18 ppTechnology Hardware, Storage & Peripherals0.00%-1.73 ppIT Consulting & Other Services0.00%-1.59 ppCommunications Equipment0.00%-1.52 ppElectronic Equipment & Instruments0.00%-0.29 ppSemiconductor Materials & Equipment0.00%-0.24 ppInternet Services & Infrastructure0.00%-0.19 ppElectronic Components0.00%-0.18 ppElectronic Manufacturing Services0.00%-0.16 ppTechnology Distributors0.00%+0.00 pp
3 · Sub-industry
Inside Semiconductors
Semiconductors · weight
0.00%
Industry change · 12M
-3.18 pp
Semiconductors · contribution
-3.180 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Feb 2020 · sorted by absolute contribution to 12-month change
| Company | Country | Market cap | Universe weight | 3M contribution | 12M contribution | 12M price return | Above 6M weight average |
|---|---|---|---|---|---|---|---|
| Intel → INTC | United States | $237.5bn | 0.001% | -1.271 pp | -1.379 pp | +7.3% | No |
| Texas Instruments → TXN | United States | $106.6bn | 0.000% | -0.566 pp | -0.575 pp | +10.9% | No |
| Qualcomm → QCOM | United States | $89.5bn | 0.000% | -0.480 pp | -0.374 pp | +52.1% | No |
| Micron Technology → MU | United States | $58.4bn | 0.000% | -0.265 pp | -0.265 pp | +28.6% | No |
| Analog Devices → ADI | United States | $40.2bn | 0.000% | -0.209 pp | -0.228 pp | +4.1% | No |
| Advanced Micro Devices → AMD | United States | $53.2bn | 0.000% | -0.219 pp | -0.137 pp | +93.3% | No |
| Skyworks Solutions → SWKS | United States | $17.0bn | 0.000% | -0.084 pp | -0.082 pp | +25.1% | No |
| Broadcom → AVGO | United States | $10.8bn | 0.000% | -0.063 pp | -0.065 pp | +2.8% | No |
| Microchip Technology → MCHP | United States | $10.9bn | 0.000% | -0.057 pp | -0.060 pp | +6.1% | No |
| Nvidia → NVDA | United States | $4.1bn | 0.000% | -0.017 pp | -0.014 pp | +75.7% | No |
Company contributions use weights among matched S&P 500 members and add through each level without rescaling. Companies without matched shares and prices are omitted. These observations do not establish official index weights or actual fund flows.