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
2.18%
Industry change · 12M
+0.33 pp
Technology Hardware, Storage & Peripherals · contribution
+0.333 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Apr 2020 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Apple Inc. →
AAPL
United States$321.4bn1.799%+0.128 pp+0.481 pp+48.3%Yes
Hewlett Packard Enterprise →
HPE
United States$13.0bn0.073%-0.016 pp-0.048 pp-34.2%Yes
HP Inc. →
HPQ
United States$22.2bn0.124%-0.028 pp-0.047 pp-19.5%Yes
NetApp →
NTAP
United States$9.7bn0.054%-0.006 pp-0.046 pp-37.7%Yes
Western Digital →
WDC
United States$10.4bn0.058%-0.014 pp-0.004 pp-6.1%Yes
Seagate Technology →
STX
United States$12.8bn0.072%-0.002 pp-0.003 pp+9.0%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.