History of Market Find a chart
Gathering I · leaf 2 of 27
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%500%1,000%$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.

Latest Snapshot

Data file updated
2026-10-03
Constituents
503
Top weight
NVDA 8.0%

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 8.04%. The top five holdings aggregate to 27.2%, and the top ten command 38.7%. 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 Corporation8.04%+25.0%
2AAPLApple Inc.6.93%+29.8%
3MSFTMicrosoft Corporation5.47%+0.9%
4AMZNAmazon.com, Inc.3.86%+14.6%
5GOOGLAlphabet Inc.2.87%+40.4%
6GOOGAlphabet Inc. (Class C)2.68%+38.5%
7METAMeta Platforms, Inc.2.64%+2.8%
8AVGOBroadcom Inc.2.41%+5.7%
9TSLATesla, Inc.2.08%-13.8%
10MUMicron Technology, Inc.1.73%+472.8%
11BRK.BBerkshire Hathaway Inc. New1.54%+0.8%
12AMDAdvanced Micro Devices, Inc.1.47%+285.0%
13LLYEli Lilly and Company1.45%+36.9%
14JPMJP Morgan Chase & Co.1.26%+9.3%
15WMTWalmart Inc.1.18%+3.0%
16VVisa Inc.0.96%+3.9%
17XOMExxon Mobil Corporation0.96%+49.0%
18INTCIntel Corporation0.90%+224.0%
19JNJJohnson & Johnson0.88%+38.8%
20MAMastercard Incorporated0.69%-4.3%
21ABBVAbbVie Inc.0.66%+15.9%
22PLTRPalantir Technologies Inc.0.65%+9.1%
23CSCOCisco Systems, Inc.0.63%+68.3%
24LRCXLam Research Corporation0.62%+139.4%
25ORCLOracle Corporation0.61%-49.7%
26AMATApplied Materials, Inc.0.61%+149.6%
27COSTCostco Wholesale Corporation0.58%+1.2%
28CVXChevron Corporation0.58%+39.9%
29CATCaterpillar, Inc.0.55%+71.3%
30BACBank of America Corporation0.54%+8.4%
31KOCoca-Cola Company (The)0.52%+31.9%
32DELLDell Technologies Inc.0.51%+304.8%
33MRKMerck & Company, Inc.0.51%+66.5%
34PGProcter & Gamble Company (The)0.48%-2.0%
35UNHUnitedHealth Group Incorporated0.48%+6.0%
36PANWPalo Alto Networks, Inc.0.47%+94.6%
37GEGE Aerospace0.46%+4.6%
38MSMorgan Stanley0.43%+23.5%
39PMPhilip Morris International Inc0.42%+26.6%
40HDHome Depot, Inc. (The)0.40%-26.4%
41NFLXNetflix, Inc.0.40%-41.9%
42CRWDCrowdStrike Holdings, Inc.0.39%+120.5%
43KLACKLA Corporation0.38%+88.8%
44TXNTexas Instruments Incorporated0.38%+67.2%
45GEVGE Vernova Inc.0.38%+66.6%
46GSGoldman Sachs Group, Inc. (The)0.37%+16.5%
47ANETArista Networks, Inc.0.37%+42.5%
48SNDKSandisk0.36%+1,239.5%
49RTXRTX Corporation0.35%+12.5%
50MRVLMarvell Technology0.35%+216.5%

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 8.04% 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.