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Large Cap Conglomerates
Stocks Ranked by
Market Capitalization

Name Market cap Price Price
change %
MMM icon
1
3M
MMM
$85B
$85B $164.75 0.35%
HON icon
2
Honeywell
HON
$67B
$67B $211.41 0.43%

Large Cap Conglomerates Stocks at a Glance

Conglomerates operate several unrelated business lines with no dominant revenue source. The case turns on capital allocation — management's record of buying, fixing, and exiting businesses — and whether a holding discount persists against the sum of the parts.

There are 2 large cap Conglomerates stocks — companies in the Conglomerates industry with a market cap between $10B and $200B — worth a combined $152B.

The largest by market cap are 3M (MMM) at $85B and Honeywell (HON) at $67B.

Among institutional investors, 3M (MMM) drew the most net new fund positions in Q2 2026: 197 funds opened new positions, taking total fund holders up 73 (3.4%) quarter-over-quarter.

  • Combined market cap: $152B across 2 stocks.
  • Large Cap: market cap between $10B and $200B.
  • Largest constituent: 3M (MMM), $85B market cap.
  • Most net new fund positions in Q2 2026: 3M (MMM), +73 holders.

Market caps and prices updated daily; fund activity based on aggregated SEC 13F filings for Q2 2026.