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 Discretionary48.7%+41.63 pp Materials1.4%-0.72 pp Utilities2.1%-1.03 pp Real Estate2.0%-1.23 pp Communication Services2.0%-1.42 pp Energy2.4%-2.32 pp Consumer Staples5.1%-4.27 pp Health Care10.4%-6.37 pp Information Technology9.5%-6.56 pp Industrials7.2%-8.34 pp Financials9.1%-9.36 pp

2 · Industry

Inside Information Technology

Semiconductors1.76%-1.46 pp Systems Software2.84%-1.43 pp Application Software1.72%-1.07 pp IT Consulting & Other Services0.85%-0.90 pp Technology Hardware, Storage & Peripherals0.97%-0.72 pp Communications Equipment0.80%-0.51 pp Semiconductor Materials & Equipment0.12%-0.23 pp Electronic Manufacturing Services0.09%-0.11 pp Electronic Components0.10%-0.08 pp Internet Services & Infrastructure0.10%-0.03 pp Electronic Equipment & Instruments0.14%-0.02 pp Technology Distributors0.00%+0.00 pp

3 · Sub-industry

Inside Technology Hardware, Storage & Peripherals

Technology Hardware, Storage & Peripherals0.97%-0.723 pp

Concentrated

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

View all contributions →

Technology Hardware, Storage & Peripherals · weight

0.97%

Industry change · 12M

-0.72 pp

Technology Hardware, Storage & Peripherals · contribution

-0.723 pp

Company participation

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Dec 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	$187.1bn	0.669%	-0.199 pp	-0.557 pp	-4.4%	No
HP Inc. → HPQ	United States	$31.8bn	0.114%	-0.016 pp	+0.092 pp	-10.1%	No
Western Digital → WDC	United States	$8.1bn	0.029%	-0.012 pp	-0.085 pp	-57.0%	No
Hewlett Packard Enterprise → HPE	United States	$18.5bn	0.066%	-0.010 pp	-0.083 pp	-17.4%	No
Seagate Technology → STX	United States	$11.0bn	0.039%	-0.004 pp	-0.050 pp	-26.4%	No
NetApp → NTAP	United States	$15.0bn	0.054%	-0.017 pp	-0.040 pp	-1.7%	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.