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 Software3.00%-1.02 ppTechnology Hardware, Storage & Peripherals9.35%+0.59 ppSystems Software7.23%-0.53 ppSemiconductors3.26%-0.24 ppSemiconductor Materials & Equipment0.38%-0.15 ppCommunications Equipment0.87%-0.14 ppElectronic Equipment & Instruments0.38%-0.08 ppIT Consulting & Other Services1.27%-0.07 ppInternet Services & Infrastructure0.12%-0.02 ppElectronic Manufacturing Services0.14%-0.02 ppTechnology Distributors0.08%-0.01 ppElectronic Components0.14%-0.01 pp
3 · Sub-industry
Inside Semiconductors
Semiconductors · weight
3.26%
Industry change · 12M
-0.24 pp
Semiconductors · contribution
-0.236 pp
Company participation
23%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Aug 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 | $131.1bn | 0.469% | -0.185 pp | -0.264 pp | -39.0% | No |
| ON Semiconductor → ON | United States | $29.8bn | 0.107% | +0.107 pp | +0.107 pp | +55.0% | Yes |
| Analog Devices → ADI | United States | $77.9bn | 0.279% | -0.036 pp | +0.078 pp | -5.3% | No |
| Microchip Technology → MCHP | United States | $36.0bn | 0.129% | -0.016 pp | +0.057 pp | -15.8% | No |
| Micron Technology → MU | United States | $62.4bn | 0.223% | -0.074 pp | -0.054 pp | -22.9% | No |
| Nvidia → NVDA | United States | $37.6bn | 0.135% | -0.034 pp | -0.053 pp | -32.5% | No |
| Texas Instruments → TXN | United States | $151.0bn | 0.540% | -0.047 pp | -0.049 pp | -11.2% | No |
| Skyworks Solutions → SWKS | United States | $15.8bn | 0.057% | -0.007 pp | -0.045 pp | -45.3% | No |
| Advanced Micro Devices → AMD | United States | $137.0bn | 0.490% | -0.104 pp | +0.041 pp | -23.3% | Yes |
| NXP Semiconductors → NXPI | United States | $43.2bn | 0.155% | -0.025 pp | -0.036 pp | -22.3% | No |
| Qualcomm → QCOM | United States | $148.5bn | 0.532% | -0.046 pp | -0.022 pp | -7.7% | No |
| Broadcom → AVGO | United States | $20.2bn | 0.072% | -0.013 pp | +0.004 pp | +3.3% | No |
| Monolithic Power Systems → MPWR | United States | $21.2bn | 0.076% | +0.000 pp | -0.000 pp | -7.9% | 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.