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
Semiconductors14.40%+11.56 ppSystems Software8.95%+3.11 ppApplication Software3.69%+1.23 ppTechnology Hardware, Storage & Peripherals6.89%+0.55 ppCommunications Equipment1.09%+0.55 ppSemiconductor Materials & Equipment0.62%+0.23 ppIT Consulting & Other Services0.98%+0.15 ppElectronic Components0.25%+0.12 ppElectronic Manufacturing Services0.18%+0.07 ppElectronic Equipment & Instruments0.28%+0.06 ppInternet Services & Infrastructure0.13%+0.03 ppTechnology Distributors0.05%-0.00 pp
3 · Sub-industry
Inside Semiconductors
Semiconductors · weight
14.40%
Industry change · 12M
+11.56 pp
Semiconductors · contribution
+11.560 pp
Company participation
57%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jul 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 | $4340.0bn | 9.152% | +2.771 pp | +8.636 pp | +52.0% | Yes |
| Broadcom → AVGO | United States | $1381.4bn | 2.913% | +0.740 pp | +2.779 pp | +84.9% | Yes |
| Advanced Micro Devices → AMD | United States | $285.9bn | 0.603% | +0.224 pp | +0.184 pp | +22.0% | Yes |
| Intel → INTC | United States | $86.7bn | 0.183% | -0.028 pp | -0.052 pp | -35.2% | No |
| Micron Technology → MU | United States | $122.1bn | 0.258% | +0.051 pp | +0.039 pp | -0.2% | Yes |
| Analog Devices → ADI | United States | $111.5bn | 0.235% | +0.003 pp | +0.029 pp | -1.2% | No |
| Qualcomm → QCOM | United States | $158.4bn | 0.334% | -0.057 pp | -0.027 pp | -17.1% | No |
| Texas Instruments → TXN | United States | $164.6bn | 0.347% | -0.002 pp | +0.014 pp | -8.5% | No |
| Skyworks Solutions → SWKS | United States | $10.3bn | 0.022% | -0.003 pp | -0.011 pp | -37.5% | No |
| ON Semiconductor → ON | United States | $23.6bn | 0.050% | +0.009 pp | -0.010 pp | -28.0% | Yes |
| Microchip Technology → MCHP | United States | $36.5bn | 0.077% | +0.017 pp | -0.009 pp | -21.7% | Yes |
| NXP Semiconductors → NXPI | United States | $53.9bn | 0.114% | +0.002 pp | -0.006 pp | -17.3% | No |
| Monolithic Power Systems → MPWR | United States | $34.1bn | 0.072% | +0.004 pp | -0.003 pp | -16.9% | Yes |
| First Solar → FSLR | United States | $18.7bn | 0.040% | +0.007 pp | -0.002 pp | -19.1% | 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.