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 Software9.23%+2.44 ppSemiconductors4.26%+0.94 ppApplication Software3.89%+0.89 ppTechnology Hardware, Storage & Peripherals8.24%-0.26 ppIT Consulting & Other Services1.39%+0.18 ppSemiconductor Materials & Equipment0.59%+0.15 ppCommunications Equipment0.81%-0.11 ppElectronic Equipment & Instruments0.34%-0.04 ppElectronic Manufacturing Services0.18%+0.04 ppElectronic Components0.13%-0.02 ppInternet Services & Infrastructure0.10%-0.01 ppTechnology Distributors0.09%-0.00 pp
3 · Sub-industry
Inside Semiconductors
Semiconductors · weight
4.26%
Industry change · 12M
+0.94 pp
Semiconductors · contribution
+0.942 pp
Company participation
50%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Feb 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 |
|---|---|---|---|---|---|---|---|
| Advanced Micro Devices → AMD | United States | $311.1bn | 0.891% | +0.281 pp | +0.446 pp | +145.0% | Yes |
| Nvidia → NVDA | United States | $197.8bn | 0.567% | +0.207 pp | +0.365 pp | +240.9% | Yes |
| Intel → INTC | United States | $182.0bn | 0.522% | -0.066 pp | +0.159 pp | +75.1% | No |
| Texas Instruments → TXN | United States | $152.2bn | 0.436% | +0.004 pp | -0.110 pp | +0.7% | No |
| Broadcom → AVGO | United States | $60.9bn | 0.174% | +0.055 pp | +0.087 pp | +123.8% | Yes |
| Micron Technology → MU | United States | $100.0bn | 0.287% | +0.026 pp | +0.065 pp | +57.8% | Yes |
| Analog Devices → ADI | United States | $95.1bn | 0.273% | -0.011 pp | -0.054 pp | +6.0% | No |
| Microchip Technology → MCHP | United States | $45.5bn | 0.130% | -0.010 pp | -0.026 pp | +6.0% | No |
| NXP Semiconductors → NXPI | United States | $64.0bn | 0.184% | +0.020 pp | +0.021 pp | +42.9% | Yes |
| ON Semiconductor → ON | United States | $33.7bn | 0.097% | +0.001 pp | -0.021 pp | +2.0% | No |
| Qualcomm → QCOM | United States | $176.1bn | 0.505% | +0.057 pp | +0.020 pp | +31.8% | Yes |
| Monolithic Power Systems → MPWR | United States | $35.0bn | 0.100% | +0.018 pp | +0.020 pp | +49.8% | Yes |
| First Solar → FSLR | United States | $16.4bn | 0.047% | -0.005 pp | -0.016 pp | -9.0% | No |
| Skyworks Solutions → SWKS | United States | $16.8bn | 0.048% | -0.000 pp | -0.014 pp | -3.4% | 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.