The composition of a tracked universe is a quiet form of editorial: what gets watched shapes what gets found. As of 19 July 2026, Headmars follows 1,653 companies across eight sectors, and the distribution tells a clear story about where attention concentrates.
Technology sets the pace
Technology is the largest sector by a wide margin — 489 companies, close to 30% of the entire universe. The sample reads like the sector's spine: Apple, Microsoft, and NVIDIA anchor the megacaps, while AMD, Salesforce, and Intel fill out the semiconductor-and-software middle. This is the part of the map most investors will recognize instantly, and its sheer breadth means Headmars users can express almost any tech thesis — chips, enterprise software, or legacy hardware — without leaving the sector.
An industrial and healthcare core
Behind Technology sit Industrials (333) and Healthcare (280), the two next-deepest benches. Industrials is notably global and eclectic: Honeywell and nVent Electric sit alongside Chinese and Taiwanese manufacturers like Xiamen Solex and Arch Meter, shipping name ZIM, and eVTOL hopeful Archer Aviation. Healthcare pairs defensive giants — Johnson & Johnson, UnitedHealth, AbbVie — with smaller and international plays such as GoodRx and Korea-listed PenetriumBio. Together these two sectors give the universe a sturdy, less-cyclical counterweight to its tech tilt.
The long international tail
Basic Materials (173), Consumer Cyclical (126), Financials (94), Energy (91), and Communication Services (67) round out the roster. Two patterns stand out. First, the marquee names are all here — Amazon and Tesla in Consumer Cyclical, Berkshire, JPMorgan, Visa, and Mastercard in Financials, Exxon and Shell in Energy, Alphabet and Meta in Communication Services. Second, the samples are thick with non-U.S. listings: Tencent and Alibaba in Hong Kong, Reliance in India, and a scattering of small-cap miners across Canadian, Australian, and London venues.
A data-quality flag worth watching
The sector market-cap totals deserve a skeptical eye. Financials reports the largest aggregate cap despite having just 94 companies, and Basic Materials and Energy both post totals that dwarf far larger sectors like Technology. That ordering doesn't square with the names involved, and the sample lists hint at why: duplicate cross-listings are everywhere — Tesla as TL0.F and TL0.DE, Alphabet as GOOG and GOOGL, Novo Resources across Toronto and Australia, Galantas Gold across Canada and London. When the same issuer is counted multiple times, cap aggregates inflate fast. Treat the count columns as reliable and the cap totals as directional at best.
What to watch
For investors, the takeaway is twofold. The universe is deep enough to build a genuinely diversified, globally-aware portfolio, with Technology offering the richest menu of names. But the cross-listing noise in the cap figures is a reminder to verify at the ticker level before trusting any sector-weighted number. Breadth is a feature here; naive aggregation is the trap.