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

Information Technology18.4%+8.88 pp Financials16.5%+7.33 pp Health Care17.0%+6.61 pp Industrials13.2%+6.00 pp Consumer Staples8.7%+3.60 pp Communication Services5.3%+3.24 pp Materials3.2%+1.83 pp Utilities3.7%+1.55 pp Real Estate3.5%+1.53 pp Energy3.5%+1.16 pp Consumer Discretionary7.0%-41.73 pp

2 · Industry

Inside Information Technology

Systems Software6.05%+3.21 pp Semiconductors3.36%+1.60 pp Application Software3.06%+1.33 pp Technology Hardware, Storage & Peripherals2.06%+1.09 pp IT Consulting & Other Services1.45%+0.60 pp Communications Equipment1.18%+0.38 pp Electronic Equipment & Instruments0.34%+0.20 pp Semiconductor Materials & Equipment0.31%+0.18 pp Technology Distributors0.10%+0.10 pp Internet Services & Infrastructure0.18%+0.08 pp Electronic Manufacturing Services0.16%+0.06 pp Electronic Components0.13%+0.03 pp

3 · Sub-industry

Inside Technology Hardware, Storage & Peripherals

Technology Hardware, Storage & Peripherals2.06%+1.093 pp

Concentrated

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

View all contributions →

Technology Hardware, Storage & Peripherals · weight

2.06%

Industry change · 12M

+1.09 pp

Technology Hardware, Storage & Peripherals · contribution

+1.093 pp

Company participation

67%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Dec 2019 · 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	$326.2bn	1.600%	+0.256 pp	+0.931 pp	+89.0%	Yes
Western Digital → WDC	United States	$14.3bn	0.070%	-0.001 pp	+0.041 pp	+77.1%	Yes
Seagate Technology → STX	United States	$15.6bn	0.077%	-0.000 pp	+0.037 pp	+62.1%	Yes
Hewlett Packard Enterprise → HPE	United States	$20.5bn	0.101%	-0.005 pp	+0.035 pp	+23.7%	No
HP Inc. → HPQ	United States	$29.9bn	0.147%	-0.002 pp	+0.033 pp	+3.9%	No
NetApp → NTAP	United States	$14.2bn	0.070%	+0.003 pp	+0.016 pp	+7.4%	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.