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
Technology Hardware, Storage & Peripherals8.16%-1.83 ppSystems Software6.57%-1.44 ppApplication Software3.04%-0.49 ppSemiconductors3.26%-0.45 ppIT Consulting & Other Services1.23%-0.16 ppSemiconductor Materials & Equipment0.42%-0.11 ppCommunications Equipment0.89%-0.08 ppElectronic Equipment & Instruments0.39%-0.03 ppElectronic Components0.14%-0.02 ppElectronic Manufacturing Services0.14%-0.02 ppInternet Services & Infrastructure0.13%-0.02 ppTechnology Distributors0.09%+0.00 pp
3 · Sub-industry
Inside Semiconductors
Semiconductors · weight
3.26%
Industry change · 12M
-0.45 pp
Semiconductors · contribution
-0.452 pp
Company participation
93%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jan 2023 · 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 | $116.9bn | 0.400% | -0.016 pp | -0.269 pp | -39.8% | No |
| Qualcomm → QCOM | United States | $149.3bn | 0.511% | +0.042 pp | -0.151 pp | -22.6% | Yes |
| ON Semiconductor → ON | United States | $31.8bn | 0.109% | +0.014 pp | +0.109 pp | +24.5% | Yes |
| Micron Technology → MU | United States | $65.8bn | 0.225% | +0.016 pp | -0.085 pp | -26.1% | Yes |
| First Solar → FSLR | United States | $18.9bn | 0.065% | +0.065 pp | +0.065 pp | +126.6% | Yes |
| Advanced Micro Devices → AMD | United States | $121.2bn | 0.415% | +0.071 pp | -0.049 pp | -34.2% | Yes |
| Nvidia → NVDA | United States | $48.1bn | 0.164% | +0.045 pp | -0.041 pp | -20.1% | Yes |
| Skyworks Solutions → SWKS | United States | $17.4bn | 0.060% | +0.011 pp | -0.022 pp | -23.5% | Yes |
| NXP Semiconductors → NXPI | United States | $47.8bn | 0.163% | +0.027 pp | -0.020 pp | -8.5% | Yes |
| Analog Devices → ADI | United States | $87.3bn | 0.299% | +0.039 pp | +0.009 pp | +6.6% | Yes |
| Texas Instruments → TXN | United States | $160.8bn | 0.550% | +0.033 pp | -0.007 pp | +1.6% | Yes |
| Monolithic Power Systems → MPWR | United States | $20.0bn | 0.069% | +0.012 pp | +0.006 pp | +6.7% | Yes |
| Broadcom → AVGO | United States | $24.4bn | 0.084% | +0.016 pp | +0.002 pp | +3.1% | Yes |
| Microchip Technology → MCHP | United States | $42.7bn | 0.146% | +0.025 pp | +0.002 pp | +1.8% | Yes |
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.