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 & Peripherals7.61%-1.58 ppSystems Software9.07%+1.47 ppSemiconductors4.31%+0.69 ppApplication Software3.77%+0.45 ppCommunications Equipment0.82%-0.15 ppSemiconductor Materials & Equipment0.58%+0.13 ppIT Consulting & Other Services1.30%+0.08 ppElectronic Equipment & Instruments0.34%-0.04 ppElectronic Manufacturing Services0.17%+0.03 ppInternet Services & Infrastructure0.10%-0.02 ppElectronic Components0.13%-0.02 ppTechnology Distributors0.10%+0.01 pp
3 · Sub-industry
Inside Semiconductors
Semiconductors · weight
4.31%
Industry change · 12M
+0.69 pp
Semiconductors · contribution
+0.690 pp
Company participation
50%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Mar 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 | $225.9bn | 0.626% | +0.262 pp | +0.392 pp | +225.4% | Yes |
| Advanced Micro Devices → AMD | United States | $291.6bn | 0.809% | +0.099 pp | +0.270 pp | +84.2% | Yes |
| Micron Technology → MU | United States | $130.5bn | 0.362% | +0.081 pp | +0.137 pp | +96.9% | Yes |
| Texas Instruments → TXN | United States | $158.4bn | 0.439% | -0.022 pp | -0.136 pp | -3.3% | No |
| Broadcom → AVGO | United States | $61.4bn | 0.170% | +0.015 pp | +0.079 pp | +110.7% | Yes |
| Analog Devices → ADI | United States | $98.1bn | 0.272% | -0.022 pp | -0.068 pp | +2.2% | No |
| Intel → INTC | United States | $186.8bn | 0.518% | -0.114 pp | +0.057 pp | +37.1% | No |
| Qualcomm → QCOM | United States | $188.9bn | 0.524% | +0.044 pp | +0.039 pp | +36.1% | Yes |
| ON Semiconductor → ON | United States | $31.4bn | 0.087% | -0.020 pp | -0.034 pp | -10.7% | No |
| First Solar → FSLR | United States | $18.0bn | 0.050% | -0.005 pp | -0.029 pp | -22.4% | No |
| Microchip Technology → MCHP | United States | $48.5bn | 0.134% | -0.011 pp | -0.022 pp | +9.3% | No |
| Skyworks Solutions → SWKS | United States | $17.4bn | 0.048% | -0.005 pp | -0.016 pp | -5.7% | No |
| NXP Semiconductors → NXPI | United States | $63.5bn | 0.176% | -0.000 pp | +0.011 pp | +35.5% | Yes |
| Monolithic Power Systems → MPWR | United States | $33.0bn | 0.091% | +0.001 pp | +0.011 pp | +36.4% | 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.