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›Technology Hardware, Storage & Peripherals›Technology Hardware, Storage & Peripherals

1 · Sector

Weight and 12M allocation change

Consumer Discretionary48.1%+41.00 pp Materials1.1%-1.04 pp Utilities1.9%-1.28 pp Real Estate1.8%-1.40 pp Communication Services1.9%-1.53 pp Energy2.7%-2.04 pp Consumer Staples4.8%-4.56 pp Information Technology10.0%-6.01 pp Health Care10.1%-6.67 pp Industrials8.1%-7.53 pp Financials9.5%-8.94 pp

2 · Industry

Inside Information Technology

Systems Software2.84%-1.43 pp Semiconductors1.86%-1.36 pp Application Software1.81%-0.98 pp IT Consulting & Other Services0.95%-0.79 pp Communications Equipment0.82%-0.50 pp Technology Hardware, Storage & Peripherals1.23%-0.46 pp Semiconductor Materials & Equipment0.13%-0.22 pp Electronic Manufacturing Services0.10%-0.11 pp Electronic Components0.10%-0.07 pp Electronic Equipment & Instruments0.10%-0.07 pp Internet Services & Infrastructure0.10%-0.03 pp Technology Distributors0.00%+0.00 pp

3 · Sub-industry

Inside Technology Hardware, Storage & Peripherals

Technology Hardware, Storage & Peripherals1.23%-0.463 pp

Concentrated

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

View all contributions →

Technology Hardware, Storage & Peripherals · weight

1.23%

Industry change · 12M

-0.46 pp

Technology Hardware, Storage & Peripherals · contribution

-0.463 pp

Company participation

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Sep 2018 · 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
Apple Inc. → AAPL	United States	$272.6bn	0.868%	-0.512 pp	-0.357 pp	+36.4%	No
HP Inc. → HPQ	United States	$40.8bn	0.130%	-0.092 pp	+0.108 pp	+12.4%	No
Hewlett Packard Enterprise → HPE	United States	$24.0bn	0.076%	-0.058 pp	-0.073 pp	+1.3%	No
Western Digital → WDC	United States	$12.9bn	0.041%	-0.065 pp	-0.072 pp	-32.9%	No
Seagate Technology → STX	United States	$13.6bn	0.043%	-0.055 pp	-0.046 pp	-11.2%	No
NetApp → NTAP	United States	$22.3bn	0.071%	-0.055 pp	-0.023 pp	+40.8%	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.