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

Materials32.5%+2.94 ppFinancials8.1%+0.31 ppConsumer Staples5.2%+0.08 ppIndustrials7.1%-0.13 ppInformation Technology20.9%-0.23 ppUtilities1.9%-0.23 ppEnergy2.1%-0.24 ppCommunication Services1.8%-0.26 ppReal Estate1.8%-0.29 ppConsumer Discretionary8.2%-0.72 ppHealth Care10.3%-1.24 pp

2 · Industry

Inside Information Technology

Technology Hardware, Storage & Peripherals6.30%-0.96 ppSemiconductors3.11%+0.49 ppSystems Software6.51%+0.34 ppCommunications Equipment0.55%-0.10 ppSemiconductor Materials & Equipment0.46%+0.10 ppIT Consulting & Other Services0.79%-0.09 ppElectronic Equipment & Instruments0.22%-0.05 ppApplication Software2.61%+0.01 ppInternet Services & Infrastructure0.10%+0.01 ppElectronic Manufacturing Services0.11%+0.01 ppElectronic Components0.10%+0.00 ppTechnology Distributors0.06%-0.00 pp

3 · Sub-industry

Inside Semiconductor Materials & Equipment

Semiconductor Materials & Equipment0.46%+0.101 pp
Concentrated

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

View all contributions →
Semiconductor Materials & Equipment · weight
0.46%
Industry change · 12M
+0.10 pp
Semiconductor Materials & Equipment · contribution
+0.101 pp
Company participation
0%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Applied Materials →
AMAT
United States$195.4bn0.366%-0.109 pp+0.086 pp+64.6%No
Lam Research →
LRCX
United States$13.9bn0.026%-0.009 pp+0.006 pp+67.3%No
KLA Corporation →
KLAC
United States$11.1bn0.021%-0.005 pp+0.005 pp+71.7%No
Teradyne →
TER
United States$23.1bn0.043%-0.005 pp+0.003 pp+33.8%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.