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Top public holders · 13F and disclosure aggregation

Berkshire Hathaway (BRK-B) Institutional Holders and 13F Ownership

Compare 32 tracked holders of Berkshire Hathaway (BRK-B), their reported positions and disclosed changes. Coverage is limited to the investors tracked by Whale Analyzer; these records do not establish all shareholders or current trades. Available original SEC filings for tracked 13F holders are linked below. Top tracked holders include Bill & Melinda Gates Foundation, H&H International Investment, National Pension Service, and Capital Research Global Investors.

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NYQ · latest quote
$570.89
-$1.44 (-0.2%)
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32Tracked holders
$18.53BAggregate reported value
2026-11-04Latest tracked update
13 increased, 13 reduced, 5 held, 1 newRecent changes

Top holders

InvestorReported valueSharesChangeReport date
Bill & Melinda Gates Foundation 13F holdings$7.35B14.7MReduced2026-06-30
H&H International Investment 13F holdings$4.62B9.2MIncreased2026-06-30
National Pension Service 13F holdings$1.40B2.8MIncreased2026-06-30
Capital Research Global Investors 13F holdings$784.8M1.6MReduced2026-06-30
Markel Group 13F holdings$762.8M1.5MHeld2026-09-30
Yacktman Asset Management 13F holdings$583.4M1.2MIncreased2026-09-30
Check Capital Management 13F holdings$560.0M1.1MIncreased2026-06-30
Himalaya Capital Management 13F holdings$554.6M1.1MIncreased2026-06-30
Gardner Russo & Quinn 13F holdings$540.1M1.1MReduced2026-06-30
Davis Advisors 13F holdings$369.5M738.4KReduced2026-06-30
Ruane, Cunniff & Goldfarb 13F holdings$150.5M300.7KReduced2026-06-30
Semper Augustus Investments 13F holdings$136.7M273.1KIncreased2026-06-30

Original SEC filing sources

These recorded filings support the tracked 13F rows included in the aggregate reported values on this page. See each holder profile for source coverage and context for other disclosure types.

Tracked-sample concentration

Reported position value for BRK-B is highly concentrated within this tracked-holder sample. These percentages are not market-wide ownership shares.

Whale activity this quarter

Across 32 tracked holders, 14 increased, 13 reduced, 5 held. Net positioning is net buying.

Sector positioning — Financials

BRK-B sits within the Financials sector alongside 139 other tracked names. Compare reported positions across tracked peers:

How to use this page

Values are reported public positions from tracked 13F filers and disclosures — not real-time or market-wide ownership totals. Open the live BRK-B dashboard for price charts and cross-investor scans, or read the SEC 13F guide.

This page is generated from public filings and public disclosures. It is for research and education only and is not investment advice.

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Deepen your read on BRK-B with these Whale Analyzer Academy guides:

Frequently asked questions

Who owns BRK-B stock?

Whale Analyzer tracks 32 public-disclosure holders of BRK-B with a combined reported value of $18.53B. See the holder table above for the largest tracked positions.

Which top funds are buying BRK-B?

Tracked holders were net buying last quarter — 14 increased, 13 reduced, 5 held. Check the "Change" column: "New" = fresh position, "Increased" = added, "Reduced" = trimmed.

How concentrated is the tracked BRK-B sample?

The top five tracked holders account for 80.5% of aggregate reported value in this tracked sample. This is not a market-wide ownership percentage.

What does 13F ownership mean for BRK-B?

These are historical reported positions from tracked filers, not real-time ownership or a complete shareholder register. Use the interactive BRK-B dashboard to explore them, or read our 13F Alpha Signals Guide.