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 & Peripherals8.50%-1.23 ppSystems Software6.80%-1.15 ppSemiconductors3.32%-0.48 ppApplication Software3.00%-0.30 ppIT Consulting & Other Services1.21%-0.11 ppCommunications Equipment0.92%-0.09 ppSemiconductor Materials & Equipment0.44%-0.08 ppInternet Services & Infrastructure0.11%-0.03 ppElectronic Equipment & Instruments0.39%-0.02 ppElectronic Manufacturing Services0.14%-0.02 ppElectronic Components0.14%-0.02 ppTechnology Distributors0.10%+0.02 pp
3 · Sub-industry
Inside Semiconductors
Semiconductors · weight
3.32%
Industry change · 12M
-0.48 pp
Semiconductors · contribution
-0.479 pp
Company participation
93%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Feb 2023 · 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 | $103.1bn | 0.363% | -0.059 pp | -0.311 pp | -45.4% | No |
| Qualcomm → QCOM | United States | $137.7bn | 0.484% | +0.003 pp | -0.188 pp | -26.6% | Yes |
| Micron Technology → MU | United States | $63.1bn | 0.222% | +0.009 pp | -0.123 pp | -34.4% | Yes |
| ON Semiconductor → ON | United States | $33.4bn | 0.118% | +0.007 pp | +0.118 pp | +23.6% | Yes |
| Advanced Micro Devices → AMD | United States | $126.6bn | 0.445% | +0.020 pp | -0.068 pp | -36.3% | Yes |
| First Solar → FSLR | United States | $18.0bn | 0.063% | +0.063 pp | +0.063 pp | +124.7% | Yes |
| Analog Devices → ADI | United States | $92.8bn | 0.326% | +0.029 pp | +0.035 pp | +16.6% | Yes |
| Microchip Technology → MCHP | United States | $44.4bn | 0.156% | +0.008 pp | +0.020 pp | +17.2% | Yes |
| Skyworks Solutions → SWKS | United States | $17.7bn | 0.062% | +0.010 pp | -0.016 pp | -17.3% | Yes |
| NXP Semiconductors → NXPI | United States | $46.3bn | 0.163% | +0.008 pp | -0.011 pp | -4.2% | Yes |
| Nvidia → NVDA | United States | $57.3bn | 0.202% | +0.060 pp | -0.010 pp | -4.7% | Yes |
| Monolithic Power Systems → MPWR | United States | $22.9bn | 0.081% | +0.020 pp | +0.007 pp | +6.4% | Yes |
| Broadcom → AVGO | United States | $24.8bn | 0.087% | +0.012 pp | +0.003 pp | +4.4% | Yes |
| Texas Instruments → TXN | United States | $155.4bn | 0.546% | -0.010 pp | +0.002 pp | +3.8% | 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.