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

Information Technology28.6%+15.24 ppHealth Care16.6%+8.70 ppFinancials13.3%+6.14 ppIndustrials10.2%+4.03 ppConsumer Staples7.5%+3.95 ppEnergy3.1%+1.92 ppReal Estate3.2%+1.74 ppUtilities3.2%+1.64 ppMaterials3.2%+1.62 ppCommunication Services3.9%+1.42 ppConsumer Discretionary7.2%-46.41 pp

2 · Industry

Inside Information Technology

Technology Hardware, Storage & Peripherals9.73%+5.45 ppSystems Software7.95%+4.37 ppSemiconductors3.80%+1.96 ppApplication Software3.30%+1.52 ppIT Consulting & Other Services1.32%+0.69 ppCommunications Equipment1.01%+0.54 ppSemiconductor Materials & Equipment0.52%+0.24 ppElectronic Equipment & Instruments0.41%+0.20 ppElectronic Components0.16%+0.09 ppElectronic Manufacturing Services0.16%+0.07 ppInternet Services & Infrastructure0.14%+0.07 ppTechnology Distributors0.08%+0.04 pp

3 · Sub-industry

Inside Semiconductor Materials & Equipment

Semiconductor Materials & Equipment0.52%+0.238 pp
Concentrated

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

View all contributions →
Semiconductor Materials & Equipment · weight
0.52%
Industry change · 12M
+0.24 pp
Semiconductor Materials & Equipment · contribution
+0.238 pp
Company participation
0%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Feb 2022 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Applied Materials →
AMAT
United States$118.6bn0.411%-0.038 pp+0.194 pp+14.3%No
Teradyne →
TER
United States$19.2bn0.066%-0.018 pp+0.024 pp-8.0%No
Lam Research →
LRCX
United States$7.8bn0.027%-0.005 pp+0.011 pp-0.1%No
KLA Corporation →
KLAC
United States$5.3bn0.018%-0.003 pp+0.009 pp+13.3%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.