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
Application Software3.10%-0.63 ppTechnology Hardware, Storage & Peripherals8.96%+0.50 ppSystems Software7.63%+0.27 ppSemiconductor Materials & Equipment0.41%-0.18 ppIT Consulting & Other Services1.39%+0.09 ppSemiconductors3.43%-0.09 ppCommunications Equipment0.89%-0.08 ppElectronic Equipment & Instruments0.39%-0.04 ppInternet Services & Infrastructure0.13%-0.03 ppElectronic Components0.14%-0.02 ppElectronic Manufacturing Services0.14%-0.02 ppTechnology Distributors0.08%-0.00 pp
3 · Sub-industry
Inside Semiconductors
Semiconductors · weight
3.43%
Industry change · 12M
-0.09 pp
Semiconductors · contribution
-0.085 pp
Company participation
15%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jun 2022 · 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 | $153.0bn | 0.595% | -0.084 pp | -0.205 pp | -31.4% | No |
| Nvidia → NVDA | United States | $37.9bn | 0.147% | -0.083 pp | +0.103 pp | -24.2% | No |
| Micron Technology → MU | United States | $61.7bn | 0.240% | -0.053 pp | -0.096 pp | -34.7% | No |
| ON Semiconductor → ON | United States | $21.9bn | 0.085% | +0.085 pp | +0.085 pp | +31.4% | Yes |
| Advanced Micro Devices → AMD | United States | $123.9bn | 0.482% | +0.041 pp | +0.079 pp | -18.6% | Yes |
| Texas Instruments → TXN | United States | $141.7bn | 0.551% | -0.019 pp | -0.076 pp | -18.1% | No |
| Analog Devices → ADI | United States | $75.9bn | 0.295% | +0.004 pp | +0.071 pp | -13.6% | No |
| Skyworks Solutions → SWKS | United States | $14.9bn | 0.058% | -0.016 pp | -0.054 pp | -50.9% | No |
| Microchip Technology → MCHP | United States | $32.2bn | 0.125% | -0.015 pp | +0.053 pp | -21.4% | No |
| NXP Semiconductors → NXPI | United States | $38.9bn | 0.151% | -0.012 pp | -0.049 pp | -27.0% | No |
| Qualcomm → QCOM | United States | $143.1bn | 0.556% | -0.023 pp | -0.013 pp | -9.0% | No |
| Monolithic Power Systems → MPWR | United States | $17.9bn | 0.070% | -0.006 pp | +0.009 pp | +3.4% | No |
| Broadcom → AVGO | United States | $19.6bn | 0.076% | -0.010 pp | +0.007 pp | +4.8% | 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.