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 Technology29.7%+2.54 pp Health Care16.7%+0.60 pp Energy2.3%+0.44 pp Real Estate3.4%+0.43 pp Consumer Discretionary7.8%+0.36 pp Utilities3.1%+0.17 pp Materials3.3%+0.15 pp Financials12.9%-0.47 pp Consumer Staples7.2%-0.68 pp Communication Services3.6%-1.42 pp Industrials10.0%-2.13 pp

2 · Industry

Inside Information Technology

Systems Software8.26%+1.30 pp Semiconductors3.90%+0.48 pp Technology Hardware, Storage & Peripherals9.72%+0.23 pp Semiconductor Materials & Equipment0.59%+0.14 pp Communications Equipment1.06%+0.13 pp IT Consulting & Other Services1.47%+0.12 pp Application Software3.73%+0.10 pp Electronic Equipment & Instruments0.45%+0.03 pp Internet Services & Infrastructure0.15%-0.02 pp Technology Distributors0.09%+0.01 pp Electronic Components0.14%+0.01 pp Electronic Manufacturing Services0.17%+0.01 pp

3 · Sub-industry

Inside Technology Hardware, Storage & Peripherals

Technology Hardware, Storage & Peripherals9.72%+0.227 pp

Concentrated

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

View all contributions →

Technology Hardware, Storage & Peripherals · weight

9.72%

Industry change · 12M

+0.23 pp

Technology Hardware, Storage & Peripherals · contribution

+0.227 pp

Company participation

83%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Dec 2021 · 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	$2913.3bn	9.333%	+1.120 pp	+0.202 pp	+34.6%	Yes
Seagate Technology → STX	United States	$25.2bn	0.081%	+0.015 pp	+0.016 pp	+87.5%	Yes
NetApp → NTAP	United States	$20.4bn	0.066%	-0.005 pp	+0.006 pp	+42.5%	No
Hewlett Packard Enterprise → HPE	United States	$20.4bn	0.065%	-0.000 pp	+0.003 pp	+37.4%	Yes
Western Digital → WDC	United States	$15.4bn	0.049%	+0.003 pp	-0.002 pp	+17.7%	Yes
HP Inc. → HPQ	United States	$40.8bn	0.131%	+0.020 pp	+0.002 pp	+57.2%	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.