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finance.foundation / Companies / BLK vs BRK.A
Comparison · seed-0.6 · 2026-08-29

BlackRock (BLK) vs Berkshire Hathaway (BRK.A)

BlackRock (BLK) and Berkshire Hathaway (BRK.A) side by side: both in Financials, both listed on New York Stock Exchange. Berkshire Hathaway is the larger of the two by approximate market capitalization (about 6.7×).

FieldBlackRockBerkshire Hathaway
Legal nameBlackRock, Inc.Berkshire Hathaway Inc.
TickerBLKBRK.A
ExchangeNew York Stock Exchange XNYSNew York Stock Exchange XNYS
JurisdictionUnited StatesUnited States
SectorFinancialsFinancials
IndustryAsset ManagementDiversified Holdings
Market cap ≈$150bn$1.0tn
Founded19881839
Reporting currencyUSDUSD
LEI529900VBK42Y5HHRMD235493000C01ZX7D35SD85
ISINUS0846701086
FIGIBBG01PSW2WR0BBG001S902J2
Index membershipS&P 500S&P 500
Held by (covered funds)4

BlackRock

World's largest asset manager (over $11tn AUM); iShares ETFs and the Aladdin risk platform.

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Berkshire Hathaway

Holding company built by Warren Buffett: insurance (GEICO), railways (BNSF), energy, and a large public-equity portfolio.

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What they share

Same indices: S&P 500

Approximate reference values (seed-0.6 · 2026-08-29) — not real-time, not investment advice. Both sides as data: /api/v1/companies/blackrock · /api/v1/companies/berkshire-hathaway