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 & Peripherals5.83%-1.26 ppSemiconductors3.11%+0.43 ppApplication Software2.30%-0.31 ppIT Consulting & Other Services0.76%-0.15 ppCommunications Equipment0.54%-0.13 ppSystems Software6.16%-0.09 ppSemiconductor Materials & Equipment0.43%+0.07 ppElectronic Equipment & Instruments0.22%-0.05 ppInternet Services & Infrastructure0.06%-0.03 ppElectronic Manufacturing Services0.12%+0.02 ppElectronic Components0.10%+0.01 ppTechnology Distributors0.06%+0.00 pp
3 · Sub-industry
Inside Semiconductors
Semiconductors · weight
3.11%
Industry change · 12M
+0.43 pp
Semiconductors · contribution
+0.435 pp
Company participation
7%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
May 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 | $269.7bn | 0.516% | -0.051 pp | +0.285 pp | +189.9% | No |
| Qualcomm → QCOM | United States | $227.7bn | 0.435% | -0.069 pp | +0.123 pp | +84.0% | No |
| Micron Technology → MU | United States | $138.4bn | 0.265% | -0.022 pp | +0.080 pp | +84.4% | No |
| Intel → INTC | United States | $131.3bn | 0.251% | -0.271 pp | -0.073 pp | -0.5% | No |
| Texas Instruments → TXN | United States | $177.6bn | 0.339% | -0.097 pp | -0.050 pp | +15.7% | No |
| Advanced Micro Devices → AMD | United States | $269.8bn | 0.516% | -0.376 pp | +0.045 pp | +41.2% | No |
| Broadcom → AVGO | United States | $61.6bn | 0.118% | -0.057 pp | +0.034 pp | +67.7% | No |
| ON Semiconductor → ON | United States | $31.4bn | 0.060% | -0.037 pp | -0.029 pp | -12.6% | No |
| NXP Semiconductors → NXPI | United States | $69.6bn | 0.133% | -0.051 pp | +0.018 pp | +54.9% | No |
| Skyworks Solutions → SWKS | United States | $14.9bn | 0.028% | -0.020 pp | -0.012 pp | -8.0% | No |
| Monolithic Power Systems → MPWR | United States | $35.8bn | 0.068% | -0.032 pp | +0.011 pp | +51.3% | No |
| Analog Devices → ADI | United States | $116.4bn | 0.222% | -0.050 pp | +0.002 pp | +34.5% | No |
| First Solar → FSLR | United States | $29.1bn | 0.056% | +0.008 pp | +0.002 pp | +33.9% | Yes |
| Microchip Technology → MCHP | United States | $52.2bn | 0.100% | -0.031 pp | -0.002 pp | +31.9% | 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.