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 Software0.01%-5.29 ppApplication Software0.00%-3.29 ppSemiconductors0.00%-3.21 ppTechnology Hardware, Storage & Peripherals0.00%-1.81 ppIT Consulting & Other Services0.00%-1.65 ppCommunications Equipment0.00%-1.56 ppElectronic Equipment & Instruments0.00%-0.30 ppSemiconductor Materials & Equipment0.00%-0.24 ppInternet Services & Infrastructure0.00%-0.19 ppElectronic Components0.00%-0.17 ppElectronic Manufacturing Services0.00%-0.16 ppTechnology Distributors0.00%+0.00 pp
3 · Sub-industry
Inside Semiconductors
Semiconductors · weight
0.00%
Industry change · 12M
-3.21 pp
Semiconductors · contribution
-3.209 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Mar 2020 · 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 | $231.5bn | 0.001% | -1.276 pp | -1.386 pp | +3.2% | No |
| Texas Instruments → TXN | United States | $93.3bn | 0.000% | -0.588 pp | -0.571 pp | -3.2% | No |
| Qualcomm → QCOM | United States | $77.3bn | 0.000% | -0.494 pp | -0.396 pp | +22.6% | No |
| Micron Technology → MU | United States | $46.8bn | 0.000% | -0.293 pp | -0.263 pp | +1.8% | No |
| Analog Devices → ADI | United States | $33.0bn | 0.000% | -0.215 pp | -0.223 pp | -13.1% | No |
| Advanced Micro Devices → AMD | United States | $53.2bn | 0.000% | -0.250 pp | -0.147 pp | +78.2% | No |
| Skyworks Solutions → SWKS | United States | $15.2bn | 0.000% | -0.101 pp | -0.082 pp | +10.5% | No |
| Broadcom → AVGO | United States | $9.5bn | 0.000% | -0.062 pp | -0.068 pp | -17.5% | No |
| Microchip Technology → MCHP | United States | $8.1bn | 0.000% | -0.061 pp | -0.056 pp | -17.0% | No |
| Nvidia → NVDA | United States | $4.0bn | 0.000% | -0.018 pp | -0.016 pp | +47.3% | 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.