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

Health Care18.4%+2.69 pp Consumer Staples8.3%+1.19 pp Energy3.5%+1.09 pp Utilities3.7%+0.74 pp Real Estate3.5%+0.33 pp Materials3.2%-0.03 pp Information Technology26.7%-0.23 pp Communication Services3.9%-0.63 pp Consumer Discretionary6.4%-0.92 pp Financials12.3%-1.95 pp Industrials10.1%-2.27 pp

2 · Industry

Inside Information Technology

Application Software3.10%-0.63 pp Technology Hardware, Storage & Peripherals8.96%+0.50 pp Systems Software7.63%+0.27 pp Semiconductor Materials & Equipment0.41%-0.18 pp IT Consulting & Other Services1.39%+0.09 pp Semiconductors3.43%-0.09 pp Communications Equipment0.89%-0.08 pp Electronic Equipment & Instruments0.39%-0.04 pp Internet Services & Infrastructure0.13%-0.03 pp Electronic Components0.14%-0.02 pp Electronic Manufacturing Services0.14%-0.02 pp Technology Distributors0.08%-0.00 pp

3 · Sub-industry

Inside Semiconductor Materials & Equipment

Semiconductor Materials & Equipment0.41%-0.183 pp

Concentrated

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

View all contributions →

Semiconductor Materials & Equipment · weight

0.41%

Industry change · 12M

-0.18 pp

Semiconductor Materials & Equipment · contribution

-0.183 pp

Company participation

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Jun 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	$79.1bn	0.308%	-0.084 pp	-0.152 pp	-35.6%	No
Teradyne → TER	United States	$14.3bn	0.056%	-0.009 pp	-0.023 pp	-32.9%	No
Lam Research → LRCX	United States	$5.9bn	0.023%	-0.002 pp	-0.010 pp	-33.8%	No
KLA Corporation → KLAC	United States	$4.8bn	0.019%	-0.000 pp	+0.001 pp	-0.4%	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.