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
Systems Software7.98%+0.32 ppTechnology Hardware, Storage & Peripherals9.34%-0.26 ppApplication Software3.27%+0.20 ppIT Consulting & Other Services1.17%-0.19 ppSemiconductors3.32%-0.07 ppElectronic Equipment & Instruments0.37%-0.05 ppCommunications Equipment0.89%-0.05 ppSemiconductor Materials & Equipment0.41%-0.04 ppElectronic Manufacturing Services0.13%-0.02 ppInternet Services & Infrastructure0.12%-0.01 ppElectronic Components0.13%-0.01 ppTechnology Distributors0.08%-0.00 pp
3 · Sub-industry
Inside Semiconductors
Semiconductors · weight
3.32%
Industry change · 12M
-0.07 pp
Semiconductors · contribution
-0.071 pp
Company participation
50%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Apr 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 | $129.6bn | 0.438% | +0.037 pp | -0.207 pp | -25.6% | Yes |
| Qualcomm → QCOM | United States | $130.2bn | 0.440% | -0.071 pp | -0.126 pp | -14.4% | No |
| Advanced Micro Devices → AMD | United States | $144.0bn | 0.486% | +0.072 pp | +0.116 pp | +4.5% | Yes |
| ON Semiconductor → ON | United States | $31.1bn | 0.105% | -0.004 pp | +0.105 pp | +38.1% | No |
| First Solar → FSLR | United States | $19.5bn | 0.066% | +0.001 pp | +0.066 pp | +150.0% | Yes |
| Nvidia → NVDA | United States | $68.5bn | 0.231% | +0.067 pp | +0.063 pp | +49.8% | Yes |
| Texas Instruments → TXN | United States | $151.8bn | 0.513% | -0.038 pp | -0.055 pp | +1.0% | No |
| Micron Technology → MU | United States | $70.4bn | 0.238% | +0.013 pp | -0.037 pp | -4.8% | Yes |
| NXP Semiconductors → NXPI | United States | $42.5bn | 0.144% | -0.020 pp | -0.019 pp | -2.1% | No |
| Analog Devices → ADI | United States | $91.0bn | 0.307% | +0.008 pp | +0.015 pp | +18.7% | No |
| Skyworks Solutions → SWKS | United States | $16.8bn | 0.057% | -0.003 pp | -0.010 pp | -4.3% | No |
| Monolithic Power Systems → MPWR | United States | $21.9bn | 0.074% | +0.005 pp | +0.008 pp | +18.7% | Yes |
| Broadcom → AVGO | United States | $26.1bn | 0.088% | +0.005 pp | +0.006 pp | +16.7% | Yes |
| Microchip Technology → MCHP | United States | $40.0bn | 0.135% | -0.011 pp | +0.004 pp | +13.9% | 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.