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 Technology29.9%+5.36 pp Consumer Discretionary12.3%+1.32 pp Materials2.8%-0.26 pp Communication Services2.9%-0.31 pp Industrials9.8%-0.31 pp Real Estate2.9%-0.32 pp Utilities2.9%-0.55 pp Energy3.3%-0.63 pp Consumer Staples6.8%-0.92 pp Financials11.2%-1.15 pp Health Care15.3%-2.24 pp

2 · Industry

Inside Information Technology

Systems Software9.18%+2.48 pp Technology Hardware, Storage & Peripherals9.52%+1.23 pp Application Software3.99%+1.12 pp Semiconductors3.68%+0.55 pp Semiconductor Materials & Equipment0.49%+0.08 pp Communications Equipment0.87%-0.05 pp Electronic Equipment & Instruments0.35%-0.03 pp Electronic Components0.12%-0.02 pp IT Consulting & Other Services1.33%+0.02 pp Electronic Manufacturing Services0.13%-0.01 pp Technology Distributors0.09%+0.00 pp Internet Services & Infrastructure0.12%-0.00 pp

3 · Sub-industry

Inside Technology Hardware, Storage & Peripherals

Technology Hardware, Storage & Peripherals9.52%+1.231 pp

Concentrated

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

View all contributions →

Technology Hardware, Storage & Peripherals · weight

9.52%

Industry change · 12M

+1.23 pp

Technology Hardware, Storage & Peripherals · contribution

+1.231 pp

Company participation

100%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Nov 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	$2954.3bn	9.210%	-0.150 pp	+1.218 pp	+29.0%	Yes
Seagate Technology → STX	United States	$16.5bn	0.052%	+0.005 pp	+0.014 pp	+56.5%	Yes
HP Inc. → HPQ	United States	$29.0bn	0.090%	-0.003 pp	-0.012 pp	+1.2%	Yes
NetApp → NTAP	United States	$18.8bn	0.059%	+0.008 pp	+0.009 pp	+39.2%	Yes
Western Digital → WDC	United States	$11.8bn	0.037%	+0.002 pp	+0.007 pp	+31.5%	Yes
Hewlett Packard Enterprise → HPE	United States	$21.7bn	0.068%	-0.002 pp	-0.006 pp	+3.9%	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.