In One Timeline

You Own 500 Stocks. 7 Are a Third of Them.

Seven stocks — Apple, Microsoft, Nvidia, Amazon, Alphabet, Meta and Tesla — are now about a third of the S&P 500, the most top-heavy the US market has been since 1932: how it happened, and the honest two-sided truth underneath it.

7credits6sourcesAll episodes
Source pages are linked directly so license details can be verified at the original host.
Used For
Credit
Source
01Apple logo mark
Rob Janoff / Apple Inc.Apple logo white.svg / Public domain
commons.wikimedia.org
02Microsoft logo
Microsoft CorporationMicrosoft logo (2012).svg / Public domain
commons.wikimedia.org
03NVIDIA logo
Nvidia CorporationNvidia logo.svg / Public domain
commons.wikimedia.org
04Amazon logo
Amazon.com, Inc.Amazon logo.svg / Public domain
commons.wikimedia.org
05Alphabet (Google wordmark)
Google LLCGoogle 2015 logo.svg / Public domain
commons.wikimedia.org
06Meta logo mark
Meta PlatformsMeta Platforms Inc. logo.svg / Public domain
commons.wikimedia.org
07Tesla wordmark
Tesla, Inc.Tesla Motors.svg / Public domain
commons.wikimedia.org

Data sources & references

01Company market caps — split-adjusted prices (Yahoo Finance) × shares outstanding (SEC EDGAR filings), monthly 2013–2026
02S&P 500 total market cap — Siblis Research (same full-cap basis as the numerator)
03Concentration records & top-10 comparisons — Goldman Sachs Research; RBC Wealth Management
04Earnings/margin figures — Goldman Sachs, Yardeni Research, LSEG I/B/E/S, FactSet
05Nifty Fifty & Cisco history — Jeremy Siegel's research; RBC; CNBC; contemporary reporting
06Music — "Between the Lines" by Ondrosik, CC0 1.0