S&P 500 · Constituents — Market Cap · 1-Year Return · Index Weight
Constituent Market Cap & Returns — Cross-sectional scatter of all 500 constituents mapped by market capitalization versus 1-year trailing total return.
X-axis is market cap, Y-axis is trailing 12-month return, bubble size scales with index weight. Every constituent on one canvas — drag the sliders to unfold the small-cap tail.
What this page answers
The heaviest constituent in the S&P 500 today is NVDA at 7.93%. The top five holdings aggregate to 26.7%, and the top ten command 37.6%. The portfolio comprises 503 holdings, updated every trading session alongside constituent market valuations.
X-axis is market cap, Y-axis is trailing 12-month return, bubble size scales with index weight. Every constituent on one canvas — drag the sliders to unfold the small-cap tail. 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
- 2026-09-08
- Constituents
- 503
- Top weight
- NVDA +7.9%
S&P 500 — portfolio constituents ranked by index weight (top 50)
| # | Ticker | Company | Weight | 1-year return |
|---|---|---|---|---|
| 1 | NVDA | NVIDIA Corporation | 7.93% | +38.1% |
| 2 | AAPL | Apple Inc. | 6.66% | +34.0% |
| 3 | MSFT | Microsoft Corporation | 5.29% | +1.8% |
| 4 | AMZN | Amazon.com, Inc. | 3.98% | +11.3% |
| 5 | GOOGL | Alphabet Inc. | 2.83% | +44.5% |
| 6 | GOOG | Alphabet Inc. (Class C) | 2.64% | +43.1% |
| 7 | AVGO | Broadcom Inc. | 2.43% | +7.6% |
| 8 | META | Meta Platforms, Inc. | 2.24% | -17.8% |
| 9 | TSLA | Tesla, Inc. | 1.99% | +0.9% |
| 10 | MU | Micron Technology, Inc. | 1.64% | +675.1% |
| 11 | BRK.B | Berkshire Hathaway Inc. New | 1.56% | +1.3% |
| 12 | LLY | Eli Lilly and Company | 1.46% | +59.1% |
| 13 | JPM | JP Morgan Chase & Co. | 1.36% | +24.2% |
| 14 | WMT | Walmart Inc. | 1.22% | +7.5% |
| 15 | AMD | Advanced Micro Devices, Inc. | 1.11% | +216.0% |
| 16 | V | Visa Inc. | 1.00% | +10.2% |
| 17 | JNJ | Johnson & Johnson | 0.95% | +57.7% |
| 18 | XOM | Exxon Mobil Corporation | 0.94% | +50.2% |
| 19 | MA | Mastercard Incorporated | 0.72% | -0.2% |
| 20 | INTC | Intel Corporation | 0.72% | +291.2% |
| 21 | ORCL | Oracle Corporation | 0.65% | -31.0% |
| 22 | ABBV | AbbVie Inc. | 0.65% | +24.4% |
| 23 | BAC | Bank of America Corporation | 0.63% | +28.6% |
| 24 | CSCO | Cisco Systems, Inc. | 0.61% | +66.6% |
| 25 | PLTR | Palantir Technologies Inc. | 0.60% | +13.9% |
| 26 | CVX | Chevron Corporation | 0.58% | +41.1% |
| 27 | COST | Costco Wholesale Corporation | 0.58% | -4.4% |
| 28 | LRCX | Lam Research Corporation | 0.55% | +200.5% |
| 29 | KO | Coca-Cola Company (The) | 0.54% | +33.3% |
| 30 | CAT | Caterpillar, Inc. | 0.53% | +94.1% |
| 31 | MRK | Merck & Company, Inc. | 0.53% | +83.4% |
| 32 | AMAT | Applied Materials, Inc. | 0.51% | +180.9% |
| 33 | UNH | UnitedHealth Group Incorporated | 0.51% | +29.3% |
| 34 | GE | GE Aerospace | 0.50% | +21.3% |
| 35 | MS | Morgan Stanley | 0.49% | +50.3% |
| 36 | PG | Procter & Gamble Company (The) | 0.49% | -5.8% |
| 37 | DELL | Dell Technologies Inc. | 0.48% | +325.2% |
| 38 | NFLX | Netflix, Inc. | 0.46% | -37.1% |
| 39 | HD | Home Depot, Inc. (The) | 0.46% | -21.2% |
| 40 | GS | Goldman Sachs Group, Inc. (The) | 0.43% | +43.5% |
| 41 | PM | Philip Morris International Inc | 0.41% | +17.1% |
| 42 | WFC | Wells Fargo & Company | 0.39% | +16.4% |
| 43 | PANW | Palo Alto Networks, Inc. | 0.39% | +71.4% |
| 44 | RTX | RTX Corporation | 0.39% | +29.4% |
| 45 | SNDK | Sandisk | 0.36% | +2,438.3% |
| 46 | GEV | GE Vernova Inc. | 0.36% | +62.2% |
| 47 | ANET | Arista Networks, Inc. | 0.35% | +35.7% |
| 48 | KLAC | KLA Corporation | 0.35% | +106.2% |
| 49 | AMGN | Amgen Inc. | 0.34% | +58.4% |
| 50 | TXN | Texas Instruments Incorporated | 0.34% | +41.1% |
Displaying the 50 most recent of 503 observations — complete series in JSON: https://historyofmarket.com/api/sp500/constituents.json
Data & Source
GET /api/sp500/constituents.json — Canonical dataset endpoint.
Exchange closing prices · Company filings · Robert Shiller · FRED · NBER.
FAQ
What is the single largest holding in the S&P 500 today?
NVDA (NVIDIA Corporation), commanding 7.93% of aggregate index weighting.
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.