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
Universe›Information Technology›Semiconductors›Semiconductors
Semiconductors · weight
12.14%
Industry change · 12M
+8.70 pp
Semiconductors · contribution
+8.699 pp
Company participation
71%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Oct 2024 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Nvidia →
NVDA
United States$3256.6bn7.654%+7.138 pp+7.311 pp+225.7%Yes
Broadcom →
AVGO
United States$792.9bn1.864%+1.730 pp+1.746 pp+104.9%Yes
Intel →
INTC
United States$92.0bn0.216%-0.018 pp-0.307 pp-40.1%No
Microchip Technology →
MCHP
United States$39.4bn0.093%+0.007 pp-0.039 pp+5.1%No
ON Semiconductor →
ON
United States$30.0bn0.071%+0.010 pp-0.021 pp+12.5%Yes
Monolithic Power Systems →
MPWR
United States$37.0bn0.087%+0.012 pp+0.015 pp+73.0%Yes
Skyworks Solutions →
SWKS
United States$14.0bn0.033%+0.000 pp-0.014 pp+3.8%No
Qualcomm →
QCOM
United States$181.3bn0.426%+0.065 pp+0.013 pp+52.5%Yes
NXP Semiconductors →
NXPI
United States$59.7bn0.140%+0.020 pp-0.011 pp+38.3%Yes
Micron Technology →
MU
United States$110.5bn0.260%+0.041 pp+0.010 pp+49.7%Yes
Advanced Micro Devices →
AMD
United States$233.8bn0.549%+0.130 pp+0.008 pp+46.3%Yes
Analog Devices →
ADI
United States$110.8bn0.260%+0.055 pp-0.006 pp+44.3%Yes
Texas Instruments →
TXN
United States$185.3bn0.436%+0.102 pp-0.003 pp+47.1%Yes
First Solar →
FSLR
United States$20.8bn0.049%+0.007 pp-0.003 pp+36.5%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.