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 Software6.70%-1.85 ppApplication Software2.87%-1.33 ppTechnology Hardware, Storage & Peripherals8.28%-1.27 ppSemiconductors3.14%-0.89 ppSemiconductor Materials & Equipment0.41%-0.18 ppElectronic Equipment & Instruments0.38%-0.08 ppCommunications Equipment0.92%-0.07 ppIT Consulting & Other Services1.31%-0.04 ppElectronic Manufacturing Services0.14%-0.03 ppInternet Services & Infrastructure0.12%-0.03 ppElectronic Components0.14%-0.01 ppTechnology Distributors0.09%-0.00 pp
3 · Sub-industry
Inside Semiconductors
Semiconductors · weight
3.14%
Industry change · 12M
-0.89 pp
Semiconductors · contribution
-0.893 pp
Company participation
54%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Nov 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 | $124.1bn | 0.421% | -0.048 pp | -0.255 pp | -36.5% | No |
| Advanced Micro Devices → AMD | United States | $125.2bn | 0.425% | -0.066 pp | -0.221 pp | -51.0% | No |
| Qualcomm → QCOM | United States | $141.8bn | 0.481% | -0.050 pp | -0.202 pp | -28.2% | No |
| Nvidia → NVDA | United States | $41.6bn | 0.141% | +0.007 pp | -0.135 pp | -48.2% | Yes |
| ON Semiconductor → ON | United States | $32.5bn | 0.110% | +0.004 pp | +0.110 pp | +22.4% | Yes |
| Micron Technology → MU | United States | $62.7bn | 0.213% | -0.010 pp | -0.105 pp | -30.9% | No |
| Analog Devices → ADI | United States | $87.6bn | 0.297% | +0.018 pp | +0.073 pp | -2.9% | Yes |
| NXP Semiconductors → NXPI | United States | $45.6bn | 0.155% | -0.000 pp | -0.046 pp | -19.9% | Yes |
| Texas Instruments → TXN | United States | $163.8bn | 0.556% | +0.016 pp | -0.044 pp | -3.5% | Yes |
| Skyworks Solutions → SWKS | United States | $15.3bn | 0.052% | -0.005 pp | -0.033 pp | -35.5% | No |
| Monolithic Power Systems → MPWR | United States | $17.9bn | 0.061% | -0.015 pp | -0.025 pp | -30.5% | No |
| Microchip Technology → MCHP | United States | $43.6bn | 0.148% | +0.019 pp | -0.009 pp | -3.5% | Yes |
| Broadcom → AVGO | United States | $22.3bn | 0.076% | +0.004 pp | -0.001 pp | +2.5% | 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.