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
11.55%
Industry change · 12M
+7.86 pp
Semiconductors · contribution
+7.864 pp
Company participation
21%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Nvidia →
NVDA
United States$3385.7bn7.471%+0.396 pp+7.111 pp+195.7%Yes
Broadcom →
AVGO
United States$757.0bn1.670%+1.487 pp+1.551 pp+77.8%Yes
Intel →
INTC
United States$103.7bn0.229%+0.001 pp-0.359 pp-45.5%No
Advanced Micro Devices →
AMD
United States$222.6bn0.491%-0.090 pp-0.119 pp+13.2%No
Microchip Technology →
MCHP
United States$36.6bn0.081%-0.026 pp-0.060 pp-16.4%No
Qualcomm →
QCOM
United States$176.1bn0.389%-0.083 pp-0.059 pp+24.6%No
Analog Devices →
ADI
United States$108.2bn0.239%-0.043 pp-0.045 pp+21.0%No
NXP Semiconductors →
NXPI
United States$58.3bn0.129%-0.029 pp-0.035 pp+14.3%No
ON Semiconductor →
ON
United States$30.3bn0.067%-0.014 pp-0.029 pp-0.3%No
Texas Instruments →
TXN
United States$183.4bn0.405%-0.068 pp-0.028 pp+35.4%Yes
Micron Technology →
MU
United States$108.6bn0.240%-0.018 pp-0.021 pp+29.2%No
Monolithic Power Systems →
MPWR
United States$27.7bn0.061%-0.049 pp-0.021 pp+4.1%No
Skyworks Solutions →
SWKS
United States$14.0bn0.031%-0.011 pp-0.017 pp-7.8%No
First Solar →
FSLR
United States$21.3bn0.047%-0.012 pp-0.005 pp+26.3%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.