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
8.56%
Industry change · 12M
-0.51 pp
Technology Hardware, Storage & Peripherals · contribution
-0.514 pp
Company participation
33%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Oct 2021 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Apple Inc. →
AAPL
United States$2457.7bn8.209%-0.058 pp-0.554 pp+38.5%Yes
NetApp →
NTAP
United States$20.0bn0.067%+0.006 pp+0.021 pp+108.7%Yes
Hewlett Packard Enterprise →
HPE
United States$19.2bn0.064%-0.001 pp+0.011 pp+75.4%No
Seagate Technology →
STX
United States$19.8bn0.066%-0.003 pp+0.008 pp+92.9%No
Western Digital →
WDC
United States$12.2bn0.041%-0.011 pp-0.000 pp+38.6%No
HP Inc. →
HPQ
United States$35.0bn0.117%-0.002 pp-0.000 pp+73.6%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.