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Charlie Bilello@charliebilello · Oct 13, 2026 · Bar chart

S&P 500 Top Holdings

Charlie Bilello's bar chart drew 43.3K views on X: 0.8x its typical post and #21 of 25 Charlie Bilello charts we track by views. Read Oct 14, 2026.

The top 10 holdings in the S&P 500 now make up 39.5% of the index, the highest concentration we've seen with data going back to 1980.

Posted on X by @charliebilello (Charlie Bilello), Oct 13, 2026. Source: x.com · See its data

Why it spread

It spread because it hit a hot topic that week with an independent author, and the post's claim that the top 10 holdings in the S&P 500 now make up 39.5% of the index, the highest concentration with data going back to 1980, earned 49 likes, 11 reposts, 2 quotes, 11 saves, and 11,076 views.

What worked

  • The chart type is a bar chart showing top holdings weight fluctuating over decades, which makes a long historical comparison easy to scan.
  • The post is self labelling at a medium level and includes a source line, so viewers can quickly grasp the claim and where it comes from.
  • The framing ties a simple headline number to a record high since 1980, which gives the chart a clear news hook.

What to borrow

We could use the same form by taking one of our own long running series, picking the single most extreme current value, and presenting it as a bar chart with a clear source line and a short headline that states the record.

Careful

Do not copy the low design polish or over read the spread as proofaland of chart quality, since the main reasons listed are a hot topic that week and an independent author, and the account typical likes and times the account normal are not provided.

Written by our analysis model from the measured numbers above, not by Charlie Bilello.

Make it yours

Your numbers, in this bar chart.

Starts from the real numbers of "S&P 500: Weighting of Top 10 Holdings" by Charlie Bilello. Replace every number with yours before you post. Make one like this, step by step

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API · Max

Use this chart via API

On the Max plan you can pull this chart's numbers with the provenance of each one, as JSON or CSV, with its redraw spec, or call it from an agent over MCP. Chart id 895f02b9484a.

PathReturnsPlan
GET/api/v1/charts/895f02b9484aTitle, publisher, date, form, point count; with a Max key, the data linkOpen
GET/api/v1/charts/895f02b9484a/dataEvery point with its provenance and confidence, plus the redraw spec. Add ?format=csv for CSVMax
GET/api/v1/charts/895f02b9484a/render?view=1The draw-only view this page usesOpen
POST/mcpTool get_chart_data with this id, for Claude, Cursor and other agentsMax
curlMax
curl -s https://viral-chart.com/api/v1/charts/895f02b9484a/data \
  -H "Authorization: Bearer $VIRALCHART_KEY"
Claude CodeMax
claude mcp add --transport http viralchart https://viral-chart.com/mcp \
  --header "Authorization: Bearer $VIRALCHART_KEY"

60 requests a minute per key; over that you get 429 with Retry-After. Up to 5 keys per account, made on your account page and shown once. Without Max, the data route answers 402 with a link to the plans. The numbers describe a chart its publisher owns, and every file carries a license note.

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Questions people ask

How far did Charlie Bilello's "S&P 500 Top Holdings" chart travel?

43,297 views, 332 likes, 71 reposts and 61 saves on X, read Oct 14, 2026. A normal post from @charliebilello gets about 57.5K views.

What kind of chart is it?

A bar chart. Top holdings weight fluctuates over decades.

Can I use Charlie Bilello's chart?

Use the format, not the picture. The chart, logo and design belong to Charlie Bilello. ViralChart redraws the chart type with your numbers and words, and credits the original publisher.