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 & Peripherals8.63%+8.63 ppSystems Software7.50%+7.49 ppApplication Software3.84%+3.84 ppSemiconductors3.43%+3.43 ppIT Consulting & Other Services1.32%+1.32 ppCommunications Equipment0.98%+0.98 ppSemiconductor Materials & Equipment0.56%+0.56 ppElectronic Equipment & Instruments0.44%+0.44 ppElectronic Manufacturing Services0.17%+0.17 ppElectronic Components0.16%+0.16 ppInternet Services & Infrastructure0.15%+0.15 ppTechnology Distributors0.09%+0.09 pp
3 · Sub-industry
Inside Semiconductors
Semiconductors · weight
3.43%
Industry change · 12M
+3.43 pp
Semiconductors · contribution
+3.427 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jul 2021 · 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 | $217.9bn | 0.747% | -0.095 pp | +0.746 pp | +15.5% | Yes |
| Texas Instruments → TXN | United States | $176.0bn | 0.603% | -0.001 pp | +0.603 pp | +53.1% | Yes |
| Qualcomm → QCOM | United States | $169.0bn | 0.579% | +0.012 pp | +0.579 pp | +44.6% | Yes |
| Advanced Micro Devices → AMD | United States | $128.8bn | 0.442% | +0.082 pp | +0.441 pp | +37.1% | Yes |
| Micron Technology → MU | United States | $87.3bn | 0.299% | -0.050 pp | +0.299 pp | +55.0% | Yes |
| Analog Devices → ADI | United States | $61.7bn | 0.212% | +0.007 pp | +0.212 pp | +48.4% | Yes |
| NXP Semiconductors → NXPI | United States | $56.9bn | 0.195% | +0.003 pp | +0.195 pp | +77.6% | Yes |
| Skyworks Solutions → SWKS | United States | $30.5bn | 0.104% | -0.004 pp | +0.104 pp | +28.4% | Yes |
| Monolithic Power Systems → MPWR | United States | $20.6bn | 0.070% | +0.011 pp | +0.070 pp | +70.6% | Yes |
| Broadcom → AVGO | United States | $19.9bn | 0.068% | +0.001 pp | +0.068 pp | +58.4% | Yes |
| Microchip Technology → MCHP | United States | $19.6bn | 0.067% | -0.006 pp | +0.067 pp | +42.3% | Yes |
| Nvidia → NVDA | United States | $12.1bn | 0.042% | +0.008 pp | +0.042 pp | +83.9% | 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.