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 Technology29.3%+5.56 pp Consumer Discretionary12.4%+2.29 pp Industrials10.4%-0.00 pp Real Estate2.9%-0.24 pp Materials2.8%-0.35 pp Communication Services2.8%-0.37 pp Energy3.2%-0.82 pp Utilities2.8%-0.82 pp Financials11.5%-0.88 pp Consumer Staples6.6%-1.31 pp Health Care15.2%-3.03 pp

2 · Industry

Inside Information Technology

Systems Software8.74%+2.04 pp Technology Hardware, Storage & Peripherals9.23%+1.49 pp Semiconductors4.01%+0.98 pp Application Software3.81%+0.95 pp Semiconductor Materials & Equipment0.51%+0.12 pp Communications Equipment0.85%-0.07 pp IT Consulting & Other Services1.33%+0.05 pp Electronic Manufacturing Services0.18%+0.05 pp Electronic Equipment & Instruments0.36%-0.03 pp Electronic Components0.12%-0.02 pp Internet Services & Infrastructure0.12%-0.01 pp Technology Distributors0.09%+0.00 pp

3 · Sub-industry

Inside Technology Hardware, Storage & Peripherals

Technology Hardware, Storage & Peripherals9.23%+1.489 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

+1.49 pp

Technology Hardware, Storage & Peripherals · contribution

+1.489 pp

Company participation

100%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Dec 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	$2994.4bn	8.930%	-0.009 pp	+1.471 pp	+49.0%	Yes
Seagate Technology → STX	United States	$17.9bn	0.053%	+0.008 pp	+0.014 pp	+69.1%	Yes
Western Digital → WDC	United States	$12.8bn	0.038%	+0.001 pp	+0.011 pp	+66.0%	Yes
Hewlett Packard Enterprise → HPE	United States	$22.1bn	0.066%	-0.009 pp	-0.008 pp	+9.7%	Yes
NetApp → NTAP	United States	$18.2bn	0.054%	+0.001 pp	+0.007 pp	+51.1%	Yes
HP Inc. → HPQ	United States	$29.8bn	0.089%	+0.004 pp	-0.006 pp	+16.1%	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.