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 & Peripherals6.94%-2.37 ppSystems Software5.74%-1.60 ppSemiconductors2.61%-0.85 ppApplication Software2.56%-0.58 ppIT Consulting & Other Services0.86%-0.41 ppCommunications Equipment0.61%-0.23 ppElectronic Equipment & Instruments0.25%-0.14 ppSemiconductor Materials & Equipment0.35%-0.06 ppElectronic Components0.09%-0.05 ppElectronic Manufacturing Services0.10%-0.05 ppInternet Services & Infrastructure0.08%-0.04 ppTechnology Distributors0.05%-0.03 pp
3 · Sub-industry
Inside Semiconductors
Semiconductors · weight
2.61%
Industry change · 12M
-0.85 pp
Semiconductors · contribution
-0.853 pp
Company participation
7%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jul 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 |
|---|---|---|---|---|---|---|---|
| Qualcomm → QCOM | United States | $147.2bn | 0.321% | -0.119 pp | -0.239 pp | -6.6% | No |
| Texas Instruments → TXN | United States | $163.4bn | 0.356% | -0.156 pp | -0.205 pp | +3.7% | No |
| Intel → INTC | United States | $149.8bn | 0.327% | -0.111 pp | -0.186 pp | +2.5% | No |
| Advanced Micro Devices → AMD | United States | $184.2bn | 0.402% | -0.085 pp | -0.125 pp | +21.1% | No |
| Nvidia → NVDA | United States | $115.4bn | 0.252% | +0.020 pp | +0.096 pp | +157.5% | Yes |
| Analog Devices → ADI | United States | $100.0bn | 0.218% | -0.089 pp | -0.089 pp | +18.2% | No |
| Micron Technology → MU | United States | $78.2bn | 0.170% | -0.067 pp | -0.064 pp | +16.4% | No |
| First Solar → FSLR | United States | $22.2bn | 0.048% | -0.018 pp | +0.048 pp | +109.1% | No |
| NXP Semiconductors → NXPI | United States | $57.5bn | 0.125% | -0.018 pp | -0.041 pp | +23.9% | No |
| Skyworks Solutions → SWKS | United States | $18.2bn | 0.040% | -0.017 pp | -0.021 pp | +7.6% | No |
| Microchip Technology → MCHP | United States | $51.2bn | 0.112% | -0.023 pp | -0.020 pp | +38.9% | No |
| Monolithic Power Systems → MPWR | United States | $26.5bn | 0.058% | -0.016 pp | -0.017 pp | +21.4% | No |
| Broadcom → AVGO | United States | $37.1bn | 0.081% | -0.007 pp | +0.007 pp | +72.8% | No |
| ON Semiconductor → ON | United States | $46.5bn | 0.101% | -0.004 pp | +0.002 pp | +61.4% | 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.