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
Application Software3.14%-0.70 ppTechnology Hardware, Storage & Peripherals9.31%+0.68 ppSystems Software7.34%-0.16 ppSemiconductor Materials & Equipment0.42%-0.14 ppCommunications Equipment0.85%-0.13 ppElectronic Equipment & Instruments0.39%-0.05 ppIT Consulting & Other Services1.27%-0.05 ppSemiconductors3.46%+0.03 ppInternet Services & Infrastructure0.12%-0.03 ppElectronic Manufacturing Services0.15%-0.02 ppElectronic Components0.15%-0.01 ppTechnology Distributors0.08%-0.00 pp
3 · Sub-industry
Inside Semiconductors
Semiconductors · weight
3.46%
Industry change · 12M
+0.03 pp
Semiconductors · contribution
+0.033 pp
Company participation
38%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jul 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 | $149.1bn | 0.512% | -0.132 pp | -0.235 pp | -30.4% | No |
| Nvidia → NVDA | United States | $45.4bn | 0.156% | -0.012 pp | +0.114 pp | -6.8% | No |
| ON Semiconductor → ON | United States | $29.0bn | 0.100% | +0.100 pp | +0.100 pp | +71.0% | Yes |
| Analog Devices → ADI | United States | $89.4bn | 0.307% | +0.015 pp | +0.095 pp | +4.5% | Yes |
| Advanced Micro Devices → AMD | United States | $153.1bn | 0.526% | +0.155 pp | +0.084 pp | -11.0% | Yes |
| Micron Technology → MU | United States | $68.2bn | 0.235% | -0.041 pp | -0.065 pp | -19.8% | No |
| Microchip Technology → MCHP | United States | $38.2bn | 0.131% | +0.000 pp | +0.064 pp | -2.5% | No |
| Skyworks Solutions → SWKS | United States | $17.5bn | 0.060% | -0.007 pp | -0.044 pp | -40.0% | No |
| Texas Instruments → TXN | United States | $163.5bn | 0.562% | -0.006 pp | -0.042 pp | -3.7% | No |
| NXP Semiconductors → NXPI | United States | $48.3bn | 0.166% | +0.004 pp | -0.029 pp | -9.6% | Yes |
| Qualcomm → QCOM | United States | $162.9bn | 0.560% | -0.006 pp | -0.020 pp | -1.4% | No |
| Broadcom → AVGO | United States | $21.6bn | 0.074% | -0.008 pp | +0.006 pp | +13.5% | No |
| Monolithic Power Systems → MPWR | United States | $21.7bn | 0.074% | +0.009 pp | +0.004 pp | +4.0% | 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.