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›Semiconductor Materials & Equipment›Semiconductor Materials & Equipment

1 · Sector

Weight and 12M allocation change

Materials34.0%+1.88 ppFinancials8.2%+0.50 ppConsumer Staples5.1%+0.15 ppIndustrials7.1%+0.09 ppUtilities2.0%-0.12 ppReal Estate1.9%-0.15 ppCommunication Services1.8%-0.15 ppEnergy2.0%-0.39 ppInformation Technology19.8%-0.42 ppConsumer Discretionary8.2%-0.48 ppHealth Care10.0%-0.91 pp

2 · Industry

Inside Information Technology

Technology Hardware, Storage & Peripherals6.34%-0.61 ppSemiconductors2.84%+0.23 ppApplication Software2.46%-0.10 ppSystems Software5.84%+0.10 ppCommunications Equipment0.54%-0.07 ppSemiconductor Materials & Equipment0.39%+0.04 ppElectronic Components0.13%+0.04 ppElectronic Equipment & Instruments0.22%-0.04 ppIT Consulting & Other Services0.83%-0.03 ppInternet Services & Infrastructure0.10%+0.02 ppElectronic Manufacturing Services0.11%+0.01 ppTechnology Distributors0.05%-0.00 pp

3 · Sub-industry

Inside Semiconductor Materials & Equipment

Semiconductor Materials & Equipment0.39%+0.041 pp
Concentrated

Most of this industry's gains came from a few companies.

View all contributions →
Semiconductor Materials & Equipment · weight
0.39%
Industry change · 12M
+0.04 pp
Semiconductor Materials & Equipment · contribution
+0.041 pp
Company participation
0%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Applied Materials →
AMAT
United States$175.7bn0.315%-0.163 pp+0.037 pp+41.1%No
KLA Corporation →
KLAC
United States$11.1bn0.020%-0.007 pp+0.004 pp+61.7%No
Teradyne →
TER
United States$20.5bn0.037%-0.015 pp-0.001 pp+16.6%No
Lam Research →
LRCX
United States$12.0bn0.022%-0.012 pp+0.001 pp+29.5%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.