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
Semiconductors10.11%+6.51 ppTechnology Hardware, Storage & Peripherals8.72%-0.94 ppApplication Software3.32%-0.51 ppSystems Software7.90%-0.25 ppCommunications Equipment0.77%-0.21 ppIT Consulting & Other Services1.16%-0.13 ppElectronic Components0.18%+0.05 ppElectronic Equipment & Instruments0.30%-0.05 ppInternet Services & Infrastructure0.14%+0.02 ppTechnology Distributors0.07%-0.02 ppSemiconductor Materials & Equipment0.50%-0.01 ppElectronic Manufacturing Services0.14%+0.01 pp
3 · Sub-industry
Inside Semiconductors
Semiconductors · weight
10.11%
Industry change · 12M
+6.51 pp
Semiconductors · contribution
+6.512 pp
Company participation
71%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Aug 2024 · 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 |
|---|---|---|---|---|---|---|---|
| Nvidia → NVDA | United States | $2928.2bn | 7.075% | +6.559 pp | +6.686 pp | +141.9% | Yes |
| Intel → INTC | United States | $94.2bn | 0.228% | -0.023 pp | -0.241 pp | -36.2% | No |
| Qualcomm → QCOM | United States | $195.3bn | 0.472% | +0.037 pp | +0.065 pp | +55.5% | Yes |
| Broadcom → AVGO | United States | $75.8bn | 0.183% | +0.065 pp | +0.062 pp | +79.5% | Yes |
| ON Semiconductor → ON | United States | $33.4bn | 0.081% | +0.021 pp | -0.055 pp | -20.9% | Yes |
| Advanced Micro Devices → AMD | United States | $240.4bn | 0.581% | +0.065 pp | +0.037 pp | +40.5% | No |
| Microchip Technology → MCHP | United States | $44.1bn | 0.107% | +0.007 pp | -0.035 pp | +2.5% | No |
| Monolithic Power Systems → MPWR | United States | $45.6bn | 0.110% | +0.042 pp | +0.031 pp | +80.6% | Yes |
| Micron Technology → MU | United States | $106.7bn | 0.258% | -0.007 pp | +0.014 pp | +38.3% | No |
| Texas Instruments → TXN | United States | $195.7bn | 0.473% | +0.133 pp | -0.013 pp | +31.5% | Yes |
| Skyworks Solutions → SWKS | United States | $17.5bn | 0.042% | +0.014 pp | -0.013 pp | +3.6% | Yes |
| NXP Semiconductors → NXPI | United States | $65.3bn | 0.158% | +0.025 pp | -0.011 pp | +26.8% | Yes |
| Analog Devices → ADI | United States | $116.6bn | 0.282% | +0.059 pp | -0.007 pp | +31.6% | Yes |
| First Solar → FSLR | United States | $24.3bn | 0.059% | +0.003 pp | -0.006 pp | +20.2% | 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.