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
Technology Hardware, Storage & Peripherals · weight
9.34%
Industry change · 12M
-0.26 pp
Technology Hardware, Storage & Peripherals · contribution
-0.264 pp
Company participation
17%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Apr 2023 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Apple Inc. →
AAPL
United States$2684.7bn9.067%+1.212 pp-0.159 pp+8.3%Yes
HP Inc. →
HPQ
United States$29.3bn0.099%+0.001 pp-0.042 pp-16.1%No
Seagate Technology →
STX
United States$12.2bn0.041%-0.007 pp-0.023 pp-25.0%No
Western Digital →
WDC
United States$8.3bn0.028%-0.008 pp-0.017 pp-35.1%No
NetApp →
NTAP
United States$13.5bn0.045%-0.003 pp-0.014 pp-11.4%No
Hewlett Packard Enterprise →
HPE
United States$18.6bn0.063%-0.008 pp-0.010 pp-3.9%No

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.