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 & Peripherals9.61%+1.23 ppSystems Software7.66%+0.63 ppApplication Software3.07%-0.48 ppSemiconductor Materials & Equipment0.45%-0.11 ppSemiconductors3.39%-0.07 ppIT Consulting & Other Services1.36%+0.04 ppElectronic Components0.15%-0.03 ppInternet Services & Infrastructure0.14%-0.02 ppElectronic Manufacturing Services0.15%-0.02 ppTechnology Distributors0.08%-0.01 ppCommunications Equipment0.93%-0.01 ppElectronic Equipment & Instruments0.42%-0.01 pp
3 · Sub-industry
Inside Semiconductors
Semiconductors · weight
3.39%
Industry change · 12M
-0.07 pp
Semiconductors · contribution
-0.070 pp
Company participation
17%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Apr 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 | $178.2bn | 0.644% | -0.024 pp | -0.197 pp | -22.1% | No |
| Nvidia → NVDA | United States | $46.6bn | 0.168% | -0.038 pp | +0.135 pp | +23.7% | No |
| Analog Devices → ADI | United States | $80.8bn | 0.292% | +0.002 pp | +0.087 pp | +2.5% | Yes |
| Micron Technology → MU | United States | $76.1bn | 0.275% | -0.035 pp | -0.074 pp | -20.5% | No |
| Microchip Technology → MCHP | United States | $36.3bn | 0.131% | -0.014 pp | +0.058 pp | -12.2% | No |
| Skyworks Solutions → SWKS | United States | $18.6bn | 0.067% | -0.015 pp | -0.041 pp | -36.7% | No |
| Texas Instruments → TXN | United States | $157.0bn | 0.568% | +0.010 pp | -0.037 pp | -3.9% | Yes |
| NXP Semiconductors → NXPI | United States | $44.9bn | 0.162% | -0.022 pp | -0.030 pp | -10.1% | No |
| Broadcom → AVGO | United States | $22.6bn | 0.082% | +0.000 pp | +0.014 pp | +25.0% | No |
| Advanced Micro Devices → AMD | United States | $102.6bn | 0.371% | -0.093 pp | +0.011 pp | +4.8% | No |
| Monolithic Power Systems → MPWR | United States | $18.2bn | 0.066% | +0.003 pp | +0.006 pp | +9.1% | No |
| Qualcomm → QCOM | United States | $156.5bn | 0.566% | -0.096 pp | -0.002 pp | +2.4% | 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.