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 Technology28.3%+2.98 pp Consumer Discretionary12.3%+1.34 pp Industrials9.9%+0.26 pp Energy3.7%+0.18 pp Materials2.9%-0.09 pp Communication Services2.9%-0.40 pp Real Estate2.8%-0.49 pp Utilities2.8%-0.68 pp Consumer Staples7.1%-0.72 pp Financials11.1%-0.86 pp Health Care16.2%-1.52 pp

2 · Industry

Inside Information Technology

Systems Software8.22%+1.14 pp Application Software3.70%+0.88 pp Semiconductors3.59%+0.52 pp Technology Hardware, Storage & Peripherals9.23%+0.22 pp Semiconductor Materials & Equipment0.49%+0.13 pp Communications Equipment0.96%+0.10 pp Electronic Equipment & Instruments0.36%-0.02 pp IT Consulting & Other Services1.28%+0.02 pp Electronic Manufacturing Services0.13%-0.01 pp Technology Distributors0.09%+0.01 pp Electronic Components0.13%-0.01 pp Internet Services & Infrastructure0.12%+0.00 pp

3 · Sub-industry

Inside Technology Hardware, Storage & Peripherals

Technology Hardware, Storage & Peripherals9.23%+0.220 pp

Concentrated

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

View all contributions →

Technology Hardware, Storage & Peripherals · weight

9.23%

Industry change · 12M

+0.22 pp

Technology Hardware, Storage & Peripherals · contribution

+0.220 pp

Company participation

100%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Sep 2023 · 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	$2676.7bn	8.939%	+1.883 pp	+0.211 pp	+24.6%	Yes
Hewlett Packard Enterprise → HPE	United States	$22.3bn	0.074%	+0.024 pp	+0.014 pp	+49.5%	Yes
HP Inc. → HPQ	United States	$25.4bn	0.085%	+0.015 pp	-0.014 pp	+6.9%	Yes
Western Digital → WDC	United States	$11.1bn	0.037%	+0.016 pp	+0.007 pp	+40.2%	Yes
Seagate Technology → STX	United States	$13.7bn	0.046%	+0.016 pp	+0.002 pp	+29.8%	Yes
NetApp → NTAP	United States	$15.8bn	0.053%	+0.015 pp	+0.000 pp	+26.4%	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.