S&P 500 · Sector Weights — GICS Eleven-Sector Weight Distribution
Sector weights — How much each of the eleven GICS sectors weighs in the index.
Information technology leads by a wide margin; financials, healthcare, and consumer discretionary follow. The sector pie itself reads as a short history of American industry.
What this page answers
Information Technology carries the largest weight in the S&P 500 at 33.3%; the top three sectors combine for 56.2%. Weights drift daily with constituent market caps — this table refreshes every trading day.
Information technology leads by a wide margin; financials, healthcare, and consumer discretionary follow. The sector pie itself reads as a short history of American industry. The data is refreshed by the History of Market pipeline and published as a stable JSON endpoint for research, citation, and AI-agent use.
Latest Snapshot
- Updated
- 2026-07-11
- Top weight
- Information Technology +33.3%
the S&P 500 GICS sector weights
| Sector | Weight | Examples |
|---|---|---|
| Information Technology | 33.3% | NVIDIA, Apple, Microsoft |
| Financials | 12.6% | Berkshire Hathaway, JPMorgan, Visa |
| Communication Services | 10.4% | Alphabet, Meta, Netflix |
| Consumer Discretionary | 9.8% | Amazon, Tesla, Home Depot |
| Health Care | 9.3% | Eli Lilly, UnitedHealth, Johnson & Johnson |
| Industrials | 9.1% | GE Aerospace, Caterpillar, RTX |
| Consumer Staples | 5.2% | Walmart, Costco, Procter & Gamble |
| Energy | 3.9% | Exxon Mobil, Chevron, ConocoPhillips |
| Utilities | 2.5% | NextEra Energy, Southern, Duke Energy |
| Materials | 2.1% | Linde, Sherwin-Williams, Ecolab |
| Real Estate | 2.0% | Prologis, American Tower, Equinix |
Showing the full record (11 rows). Raw series: https://historyofmarket.com/api/sp500/sectors.json
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Data & Source
GET /api/sp500/sectors.json — Canonical dataset endpoint.
Yahoo Finance · Macrotrends · Robert Shiller · FRED · S&P Global · Nasdaq · NBER.
FAQ
Where does this data come from?
History of Market combines public market and macro datasets including Yahoo Finance, Macrotrends, Robert Shiller, FRED, S&P Global, Nasdaq, and NBER. The exact endpoint for this panel is linked below.
How often is it updated?
Daily-tier datasets refresh after the U.S. market close, with a broader weekly refresh on Sunday. The timestamp shown on this page comes from the JSON payload.
Can I use the data?
Yes, for research and education with attribution to History of Market. Upstream data sources retain their own terms.