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
Semiconductors10.38%+6.07 ppSystems Software7.19%-1.88 ppApplication Software3.16%-0.61 ppTechnology Hardware, Storage & Peripherals8.20%+0.59 ppCommunications Equipment1.02%+0.21 ppIT Consulting & Other Services1.19%-0.12 ppElectronic Components0.19%+0.06 ppInternet Services & Infrastructure0.15%+0.05 ppTechnology Distributors0.05%-0.04 ppElectronic Equipment & Instruments0.30%-0.04 ppElectronic Manufacturing Services0.14%-0.04 ppSemiconductor Materials & Equipment0.55%-0.03 pp
3 · Sub-industry
Inside Semiconductors
Semiconductors · weight
10.38%
Industry change · 12M
+6.07 pp
Semiconductors · contribution
+6.067 pp
Company participation
7%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Mar 2025 · 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 | $2644.5bn | 6.278% | -1.179 pp | +5.652 pp | +20.0% | No |
| Broadcom → AVGO | United States | $787.2bn | 1.869% | -0.595 pp | +1.699 pp | +27.9% | No |
| Advanced Micro Devices → AMD | United States | $166.5bn | 0.395% | -0.049 pp | -0.414 pp | -43.1% | No |
| Intel → INTC | United States | $98.3bn | 0.233% | +0.037 pp | -0.284 pp | -48.0% | Yes |
| Micron Technology → MU | United States | $97.1bn | 0.231% | +0.018 pp | -0.132 pp | -26.0% | No |
| Qualcomm → QCOM | United States | $169.9bn | 0.403% | +0.016 pp | -0.121 pp | -7.4% | No |
| Microchip Technology → MCHP | United States | $26.0bn | 0.062% | -0.008 pp | -0.073 pp | -44.7% | No |
| NXP Semiconductors → NXPI | United States | $48.2bn | 0.114% | -0.005 pp | -0.062 pp | -21.9% | No |
| Texas Instruments → TXN | United States | $163.6bn | 0.388% | +0.001 pp | -0.051 pp | +6.0% | No |
| ON Semiconductor → ON | United States | $17.1bn | 0.041% | -0.020 pp | -0.046 pp | -44.7% | No |
| Analog Devices → ADI | United States | $100.0bn | 0.237% | -0.002 pp | -0.035 pp | +3.7% | No |
| Monolithic Power Systems → MPWR | United States | $27.8bn | 0.066% | +0.000 pp | -0.026 pp | -13.7% | No |
| Skyworks Solutions → SWKS | United States | $10.4bn | 0.025% | -0.007 pp | -0.023 pp | -38.4% | No |
| First Solar → FSLR | United States | $13.5bn | 0.032% | -0.011 pp | -0.018 pp | -25.1% | 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.