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
Semiconductors11.59%+8.00 ppTechnology Hardware, Storage & Peripherals8.55%-0.69 ppSystems Software7.84%-0.38 ppApplication Software3.39%-0.31 ppCommunications Equipment0.77%-0.19 ppIT Consulting & Other Services1.18%-0.11 ppElectronic Equipment & Instruments0.30%-0.06 ppElectronic Components0.18%+0.05 ppTechnology Distributors0.07%-0.02 ppElectronic Manufacturing Services0.14%+0.01 ppInternet Services & Infrastructure0.13%+0.01 ppSemiconductor Materials & Equipment0.49%+0.00 pp
3 · Sub-industry
Inside Semiconductors
Semiconductors · weight
11.59%
Industry change · 12M
+8.00 pp
Semiconductors · contribution
+8.001 pp
Company participation
57%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Sep 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 | $2978.9bn | 6.935% | +6.365 pp | +6.576 pp | +179.3% | Yes |
| Broadcom → AVGO | United States | $805.7bn | 1.876% | +1.735 pp | +1.761 pp | +110.9% | Yes |
| Intel → INTC | United States | $100.3bn | 0.234% | -0.014 pp | -0.264 pp | -32.9% | No |
| Advanced Micro Devices → AMD | United States | $265.6bn | 0.618% | +0.127 pp | +0.063 pp | +59.6% | Yes |
| ON Semiconductor → ON | United States | $31.1bn | 0.072% | +0.017 pp | -0.062 pp | -21.9% | Yes |
| Texas Instruments → TXN | United States | $188.6bn | 0.439% | +0.107 pp | -0.043 pp | +34.0% | Yes |
| Microchip Technology → MCHP | United States | $43.1bn | 0.100% | +0.008 pp | -0.042 pp | +5.0% | No |
| Monolithic Power Systems → MPWR | United States | $45.1bn | 0.105% | +0.030 pp | +0.031 pp | +101.4% | Yes |
| NXP Semiconductors → NXPI | United States | $61.1bn | 0.142% | +0.013 pp | -0.030 pp | +22.1% | No |
| Qualcomm → QCOM | United States | $189.4bn | 0.441% | +0.024 pp | +0.027 pp | +56.3% | No |
| Analog Devices → ADI | United States | $114.3bn | 0.266% | +0.054 pp | -0.025 pp | +33.8% | Yes |
| Micron Technology → MU | United States | $115.0bn | 0.268% | -0.006 pp | +0.019 pp | +53.2% | No |
| Skyworks Solutions → SWKS | United States | $15.8bn | 0.037% | +0.005 pp | -0.016 pp | +3.0% | No |
| First Solar → FSLR | United States | $26.7bn | 0.062% | +0.017 pp | +0.005 pp | +54.4% | 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.