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 Technology33.3%+4.48 ppFinancials11.4%+0.74 ppConsumer Staples7.3%+0.20 ppUtilities2.8%-0.07 ppIndustrials9.8%-0.20 ppReal Estate2.7%-0.24 ppMaterials2.6%-0.32 ppCommunication Services2.4%-0.40 ppEnergy2.6%-0.86 ppConsumer Discretionary10.9%-1.64 ppHealth Care14.2%-1.69 pp

2 · Industry

Inside Information Technology

Semiconductors10.11%+6.51 ppTechnology Hardware, Storage & Peripherals8.72%-0.94 ppApplication Software3.32%-0.51 ppSystems Software7.90%-0.25 ppCommunications Equipment0.77%-0.21 ppIT Consulting & Other Services1.16%-0.13 ppElectronic Components0.18%+0.05 ppElectronic Equipment & Instruments0.30%-0.05 ppInternet Services & Infrastructure0.14%+0.02 ppTechnology Distributors0.07%-0.02 ppSemiconductor Materials & Equipment0.50%-0.01 ppElectronic Manufacturing Services0.14%+0.01 pp

3 · Sub-industry

Inside Semiconductor Materials & Equipment

Semiconductor Materials & Equipment0.50%-0.013 pp
Concentrated

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

View all contributions →
Semiconductor Materials & Equipment · weight
0.50%
Industry change · 12M
-0.01 pp
Semiconductor Materials & Equipment · contribution
-0.013 pp
Company participation
50%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Applied Materials →
AMAT
United States$162.6bn0.393%+0.053 pp-0.014 pp+30.1%No
KLA Corporation →
KLAC
United States$11.0bn0.027%+0.007 pp+0.005 pp+64.7%Yes
Lam Research →
LRCX
United States$10.7bn0.026%+0.002 pp-0.004 pp+18.0%No
Teradyne →
TER
United States$22.3bn0.054%+0.012 pp+0.001 pp+27.2%Yes

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.