XLK · Top Holdings & Cumulative Weight — XLK's top holdings
Top holdings — XLK's top ten and how concentrated they are.
AAPL + MSFT + NVDA already combine for more than 50% of the ETF — XLK is the most concentrated sector ETF in U.S. equities. Yahoo exposes the top 10 (~60% of the fund); the ~60-name tail sits below this view.
What this page answers
The largest weight in XLK today is NVDA at 13.79%. The top five combine for about 45.9%, the top ten about 61.0%. The full roster holds 10 names, refreshed every trading day.
AAPL + MSFT + NVDA already combine for more than 50% of the ETF — XLK is the most concentrated sector ETF in U.S. equities. Yahoo exposes the top 10 (~60% of the fund); the ~60-name tail sits below this view. The data is refreshed by the History of Market pipeline and published as a stable JSON endpoint for research, citation, and AI-agent use.
The plate
Latest Snapshot
- Updated
- 2026-08-14
- Constituents
- 10
- P/E
- 36.7
XLK — ranked by weight (top 10)
| # | Ticker | Company | Weight | 1-year return |
|---|---|---|---|---|
| 1 | NVDA | NVIDIA Corp | 13.79% | +23.9% |
| 2 | AAPL | Apple Inc | 12.87% | +31.6% |
| 3 | MSFT | Microsoft Corp | 9.79% | -4.1% |
| 4 | AVGO | Broadcom Inc | 5.23% | +35.2% |
| 5 | AMD | Advanced Micro Devices Inc | 4.20% | +166.9% |
| 6 | MU | Micron Technology Inc | 3.63% | +659.3% |
| 7 | CSCO | Cisco Systems Inc | 3.17% | +67.1% |
| 8 | INTC | Intel Corp | 2.95% | +338.2% |
| 9 | AMAT | Applied Materials Inc | 2.79% | +186.1% |
| 10 | LRCX | Lam Research Corp | 2.54% | +215.6% |
Showing the 10 most recent of 10 observations — the full series is in the JSON: https://historyofmarket.com/api/xlk/holdings.json
Data & Source
GET /api/xlk/holdings.json — Canonical dataset endpoint.
Exchange closing prices · Company filings · Robert Shiller · FRED · NBER.
FAQ
What is the largest holding in XLK right now?
NVDA (NVIDIA Corp), at 13.79% of the index.
Where does this data come from?
History of Market combines public market and macro datasets — exchange closing prices, company filings, Robert Shiller, FRED, NBER, and the UBS Global Investment Returns Yearbook (Dimson–Marsh–Staunton). 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.