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

Consumer Discretionary10.9%+3.79 pp Energy3.6%+1.54 pp Consumer Staples7.7%+0.73 pp Utilities3.6%+0.56 pp Health Care16.5%+0.26 pp Real Estate3.3%+0.06 pp Materials3.0%-0.23 pp Communication Services3.5%-0.87 pp Information Technology26.2%-1.69 pp Financials11.9%-1.97 pp Industrials9.8%-2.17 pp

2 · Industry

Inside Information Technology

Application Software3.00%-1.02 pp Technology Hardware, Storage & Peripherals9.35%+0.59 pp Systems Software7.23%-0.53 pp Semiconductors3.26%-0.24 pp Semiconductor Materials & Equipment0.38%-0.15 pp Communications Equipment0.87%-0.14 pp Electronic Equipment & Instruments0.38%-0.08 pp IT Consulting & Other Services1.27%-0.07 pp Internet Services & Infrastructure0.12%-0.02 pp Electronic Manufacturing Services0.14%-0.02 pp Technology Distributors0.08%-0.01 pp Electronic Components0.14%-0.01 pp

3 · Sub-industry

Inside Semiconductor Materials & Equipment

Semiconductor Materials & Equipment0.38%-0.145 pp

Concentrated

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

View all contributions →

Semiconductor Materials & Equipment · weight

0.38%

Industry change · 12M

-0.15 pp

Semiconductor Materials & Equipment · contribution

-0.145 pp

Company participation

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

Company	Country	Market cap	Universe weight	3M contribution	12M contribution	12M price return	Above 6M weight average
Applied Materials → AMAT	United States	$80.9bn	0.290%	-0.078 pp	-0.118 pp	-29.8%	No
Teradyne → TER	United States	$13.3bn	0.047%	-0.016 pp	-0.020 pp	-30.0%	No
Lam Research → LRCX	United States	$6.0bn	0.021%	-0.005 pp	-0.007 pp	-26.8%	No
KLA Corporation → KLAC	United States	$4.9bn	0.017%	-0.002 pp	+0.000 pp	+2.5%	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.