Mega Cap
Diversified Insurance
Stocks Ranked by
Market Capitalization
| # | Name | Market cap | Price |
Price change % |
|
|---|---|---|---|---|---|
| 1 |
1
Berkshire Hathaway Class B
BRK.B
$1.06T
| $1.06T | $489.65 | 0.33% |
|
| 2 |
2
Berkshire Hathaway Class A
BRK.A
$1.05T
| $1.05T | $733,526 | 0.36% |
|
Mega Cap Diversified Insurance Stocks at a Glance
Diversified insurers underwrite across life, health, and property and casualty lines. The multi-line spread balances catastrophe exposure against long-duration liabilities, with returns driven by underwriting discipline and the investment income earned on float.
There are 2 mega cap Diversified Insurance stocks — companies in the Diversified Insurance industry with a market cap over $200B — worth a combined $2.11T.
The largest by market cap are Berkshire Hathaway Class B (BRK.B) at $1.06T and Berkshire Hathaway Class A (BRK.A) at $1.05T.
Among institutional investors, Berkshire Hathaway Class B (BRK.B) drew the most net new fund positions in Q1 2026: 226 funds opened new positions, taking total fund holders down 26 (0.53%) quarter-over-quarter.
- Combined market cap: $2.11T across 2 stocks.
- Mega Cap: market cap over $200B.
- Largest constituent: Berkshire Hathaway Class B (BRK.B), $1.06T market cap.
- Most net new fund positions in Q1 2026: Berkshire Hathaway Class B (BRK.B), -26 holders.
Market caps and prices updated daily; fund activity based on aggregated SEC 13F filings for Q1 2026.