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S&P 500 · Constituents

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.

The plate

S&P 500 · Constituents — Market Cap · 1-Year Return · Index Weight0%250%500%750%$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.

Latest Snapshot

Data file updated
2026-10-17
Constituents
503
Top weight
NVDA 7.4%

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 7.42%. The top five holdings aggregate to 27.0%, and the top ten command 38.2%. 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.

View the interactive chart Download raw JSON

S&P 500 — portfolio constituents ranked by index weight (top 50)

S&P 500 — portfolio constituents ranked by index weight (top 50)
#TickerCompanyWeight1-year return
1NVDANVIDIA Corporation7.42%+17.2%
2AAPLApple Inc.7.19%+36.6%
3MSFTMicrosoft Corporation5.64%+3.9%
4AMZNAmazon.com, Inc.3.87%+17.3%
5GOOGLAlphabet Inc.2.87%+34.8%
6GOOGAlphabet Inc. (Class C)2.67%+33.1%
7METAMeta Platforms, Inc.2.59%-0.7%
8AVGOBroadcom Inc.2.25%-5.2%
9TSLATesla, Inc.2.01%-19.3%
10BRK.BBerkshire Hathaway Inc. New1.65%+8.0%
11LLYEli Lilly and Company1.61%+57.6%
12MUMicron Technology, Inc.1.43%+334.8%
13WMTWalmart Inc.1.36%+11.2%
14JPMJP Morgan Chase & Co.1.29%+16.4%
15AMDAdvanced Micro Devices, Inc.1.24%+126.9%
16VVisa Inc.1.08%+18.7%
17XOMExxon Mobil Corporation1.06%+64.1%
18JNJJohnson & Johnson0.88%+35.2%
19MAMastercard Incorporated0.78%+10.8%
20ABBVAbbVie Inc.0.72%+28.1%
21INTCIntel Corporation0.68%+142.8%
22PLTRPalantir Technologies Inc.0.64%+4.4%
23CVXChevron Corporation0.63%+52.8%
24COSTCostco Wholesale Corporation0.63%+6.3%
25CSCOCisco Systems, Inc.0.61%+56.0%
26KOCoca-Cola Company (The)0.58%+40.8%
27ORCLOracle Corporation0.56%-55.4%
28PGProcter & Gamble Company (The)0.53%+8.4%
29UNHUnitedHealth Group Incorporated0.52%+15.6%
30MRKMerck & Company, Inc.0.52%+77.2%
31BACBank of America Corporation0.51%+2.0%
32CATCaterpillar, Inc.0.48%+39.9%
33LRCXLam Research Corporation0.47%+87.4%
34GEGE Aerospace0.47%+5.1%
35AMATApplied Materials, Inc.0.47%+82.9%
36PMPhilip Morris International Inc0.46%+34.4%
37HDHome Depot, Inc. (The)0.44%-18.8%
38NFLXNetflix, Inc.0.42%-41.2%
39DELLDell Technologies Inc.0.41%+205.8%
40MSMorgan Stanley0.41%+16.4%
41PANWPalo Alto Networks, Inc.0.40%+64.5%
42RTXRTX Corporation0.38%+24.6%
43GSGoldman Sachs Group, Inc. (The)0.37%+19.7%
44TMOThermo Fisher Scientific Inc0.37%+28.5%
45TXNTexas Instruments Incorporated0.36%+60.6%
46WFCWells Fargo & Company0.36%+2.9%
47GEVGE Vernova Inc.0.35%+53.9%
48AMGNAmgen Inc.0.34%+48.8%
49CRWDCrowdStrike Holdings, Inc.0.33%+87.7%
50LINLinde plc0.33%+12.0%

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 7.42% 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 each weekend. 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.