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 & Peripherals7.74%-1.98 ppSystems Software6.70%-1.56 ppSemiconductors3.02%-0.87 ppApplication Software2.86%-0.87 ppSemiconductor Materials & Equipment0.39%-0.20 ppIT Consulting & Other Services1.27%-0.19 ppCommunications Equipment0.93%-0.13 ppElectronic Equipment & Instruments0.39%-0.06 ppElectronic Manufacturing Services0.13%-0.04 ppInternet Services & Infrastructure0.13%-0.02 ppElectronic Components0.14%-0.01 ppTechnology Distributors0.09%-0.00 pp
3 · Sub-industry
Inside Semiconductors
Semiconductors · weight
3.02%
Industry change · 12M
-0.87 pp
Semiconductors · contribution
-0.875 pp
Company participation
29%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Dec 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 | $109.1bn | 0.394% | -0.022 pp | -0.277 pp | -46.6% | No |
| Qualcomm → QCOM | United States | $123.2bn | 0.445% | -0.054 pp | -0.211 pp | -38.6% | No |
| Advanced Micro Devices → AMD | United States | $104.4bn | 0.377% | -0.025 pp | -0.180 pp | -55.0% | No |
| Micron Technology → MU | United States | $54.5bn | 0.197% | -0.020 pp | -0.137 pp | -45.9% | No |
| Nvidia → NVDA | United States | $36.0bn | 0.130% | +0.011 pp | -0.106 pp | -50.3% | No |
| ON Semiconductor → ON | United States | $27.0bn | 0.097% | -0.009 pp | +0.097 pp | -8.2% | No |
| First Solar → FSLR | United States | $16.0bn | 0.058% | +0.058 pp | +0.058 pp | +71.9% | Yes |
| NXP Semiconductors → NXPI | United States | $41.0bn | 0.148% | -0.004 pp | -0.046 pp | -29.2% | No |
| Skyworks Solutions → SWKS | United States | $14.6bn | 0.053% | -0.001 pp | -0.030 pp | -39.9% | No |
| Texas Instruments → TXN | United States | $149.9bn | 0.541% | -0.015 pp | -0.016 pp | -9.9% | No |
| Microchip Technology → MCHP | United States | $38.6bn | 0.139% | +0.007 pp | -0.015 pp | -18.0% | Yes |
| Monolithic Power Systems → MPWR | United States | $16.6bn | 0.060% | -0.007 pp | -0.013 pp | -27.8% | No |
| Analog Devices → ADI | United States | $83.5bn | 0.301% | +0.020 pp | +0.006 pp | -4.9% | Yes |
| Broadcom → AVGO | United States | $23.4bn | 0.084% | +0.014 pp | -0.004 pp | -13.3% | 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.