History of Market · The Chronicle of the U.S. Stock Market S&P 500
Gathering I · leaf 2 of 27
S&P 500 · Constituents

S&P 500 · Constituents — Market Cap · 1-Year Return · Index Weight

All-member scatter — Five hundred companies plotted by market cap × one-year 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.

View the interactive chart Download raw JSON

What this page answers

The largest weight in the S&P 500 today is NVDA at 7.81%. The top five combine for about 26.8%, the top ten about 37.7%. The full roster holds 503 names, refreshed every trading day.

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

S&P 500 · Constituents — Market Cap · 1-Year Return · Index Weight0%1,000%2,000%$10B$20B$50B$100B$200B$500B$1.0T$2.0T$5.0T
Plate I.2 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. 2026-09-04

Latest Snapshot

Updated
2026-09-04
Constituents
503
Top weight
NVDA +7.8%

S&P 500 — ranked by weight (top 50)

S&P 500 — ranked by weight (top 50)
#TickerCompanyWeight1-year return
1NVDANVIDIA Corporation7.81%+33.3%
2AAPLApple Inc.6.78%+37.4%
3MSFTMicrosoft Corporation5.36%+1.3%
4AMZNAmazon.com, Inc.3.96%+9.9%
5GOOGLAlphabet Inc.2.85%+47.9%
6GOOGAlphabet Inc. (Class C)2.65%+46.2%
7AVGOBroadcom Inc.2.41%+17.5%
8METAMeta Platforms, Inc.2.20%-18.2%
9TSLATesla, Inc.2.11%+11.2%
10BRK.BBerkshire Hathaway Inc. New1.55%+0.2%
11MUMicron Technology, Inc.1.53%+672.6%
12LLYEli Lilly and Company1.46%+57.1%
13JPMJP Morgan Chase & Co.1.36%+21.5%
14WMTWalmart Inc.1.22%+8.3%
15AMDAdvanced Micro Devices, Inc.1.05%+182.0%
16VVisa Inc.1.00%+8.8%
17JNJJohnson & Johnson0.95%+59.3%
18XOMExxon Mobil Corporation0.94%+48.5%
19MAMastercard Incorporated0.73%-1.1%
20INTCIntel Corporation0.69%+272.5%
21ABBVAbbVie Inc.0.65%+26.0%
22ORCLOracle Corporation0.63%-30.1%
23BACBank of America Corporation0.62%+27.3%
24PLTRPalantir Technologies Inc.0.62%+16.9%
25CSCOCisco Systems, Inc.0.61%+63.1%
26CVXChevron Corporation0.59%+39.3%
27COSTCostco Wholesale Corporation0.58%-2.6%
28APHAmphenol Corporation0.55%+41.6%
29KOCoca-Cola Company (The)0.54%+33.8%
30MRKMerck & Company, Inc.0.53%+87.3%
31CATCaterpillar, Inc.0.52%+92.1%
32LRCXLam Research Corporation0.52%+193.1%
33UNHUnitedHealth Group Incorporated0.51%+32.6%
34GEGE Aerospace0.49%+18.7%
35AMATApplied Materials, Inc.0.49%+177.0%
36NFLXNetflix, Inc.0.49%-34.3%
37PGProcter & Gamble Company (The)0.48%-5.0%
38MSMorgan Stanley0.48%+47.5%
39DELLDell Technologies Inc.0.47%+312.9%
40HDHome Depot, Inc. (The)0.45%-20.5%
41GSGoldman Sachs Group, Inc. (The)0.43%+41.3%
42PMPhilip Morris International Inc0.41%+19.7%
43RTXRTX Corporation0.39%+29.3%
44PANWPalo Alto Networks, Inc.0.38%+72.6%
45WFCWells Fargo & Company0.38%+11.4%
46GEVGE Vernova Inc.0.36%+57.6%
47ANETArista Networks, Inc.0.34%+35.6%
48AMGNAmgen Inc.0.34%+63.0%
49TXNTexas Instruments Incorporated0.33%+39.0%
50CCitigroup, Inc.0.33%+45.3%

Showing the 50 most recent of 503 observations — the full series is in the 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 largest holding in the S&P 500 right now?

NVDA (NVIDIA Corporation), at 7.81% 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.