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 & Peripherals9.96%+5.74 ppSystems Software7.94%+4.39 ppSemiconductors3.63%+1.70 ppApplication Software3.28%+1.51 ppIT Consulting & Other Services1.36%+0.68 ppCommunications Equipment1.00%+0.48 ppElectronic Equipment & Instruments0.41%+0.20 ppSemiconductor Materials & Equipment0.50%+0.19 ppInternet Services & Infrastructure0.15%+0.07 ppElectronic Components0.14%+0.07 ppElectronic Manufacturing Services0.14%+0.06 ppTechnology Distributors0.08%+0.04 pp
3 · Sub-industry
Inside Semiconductors
Semiconductors · weight
3.63%
Industry change · 12M
+1.70 pp
Semiconductors · contribution
+1.697 pp
Company participation
58%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Mar 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 |
|---|---|---|---|---|---|---|---|
| Qualcomm → QCOM | United States | $172.2bn | 0.580% | -0.076 pp | +0.285 pp | +17.3% | No |
| Advanced Micro Devices → AMD | United States | $131.1bn | 0.441% | -0.115 pp | +0.255 pp | +39.3% | No |
| Texas Instruments → TXN | United States | $169.5bn | 0.570% | +0.013 pp | +0.230 pp | -0.6% | Yes |
| Nvidia → NVDA | United States | $68.5bn | 0.231% | -0.005 pp | +0.214 pp | +104.6% | Yes |
| Analog Devices → ADI | United States | $86.4bn | 0.291% | -0.005 pp | +0.179 pp | +8.4% | Yes |
| Intel → INTC | United States | $201.8bn | 0.679% | +0.008 pp | +0.171 pp | -20.4% | Yes |
| Micron Technology → MU | United States | $87.0bn | 0.293% | -0.041 pp | +0.100 pp | -11.5% | No |
| Microchip Technology → MCHP | United States | $41.8bn | 0.141% | -0.014 pp | +0.100 pp | -2.0% | Yes |
| NXP Semiconductors → NXPI | United States | $48.6bn | 0.164% | -0.031 pp | +0.054 pp | -6.9% | No |
| Broadcom → AVGO | United States | $25.7bn | 0.087% | -0.001 pp | +0.050 pp | +39.7% | Yes |
| Monolithic Power Systems → MPWR | United States | $22.6bn | 0.076% | +0.003 pp | +0.045 pp | +38.3% | Yes |
| Skyworks Solutions → SWKS | United States | $21.9bn | 0.074% | -0.009 pp | +0.014 pp | -26.4% | 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.