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Compounder

Berkshire Hathaway Inc-Cl B

Held by 22 superinvestors (BRK.B).

Educational data only — not investment advice. 13F positions are self-reported and can lag up to 45 days.

Valuation

Valuation · two methods

Earnings Power & Asset Floor

Two intrinsic-value methods and a tangible asset floor — deterministic, not price forecasts or recommendations.

This issuer has a multi-share-class structure; a blended per-share count is not available from the current data source, so a per-share floor is not computed here.

Ownership · 13F consensus

Who's buying it

Institutional ownership aggregated across funds — consensus strength and this quarter's moves. Describes actions, not advice.

22 superinvestors hold it · $15.60B combined

This quarter1 opened6 added9 trimmed

Largest holder Bill Gates

Held by 22 superinvestors of Berkshire Hathaway Inc-Cl B (BRK.B); this quarter 1 opened, 6 added, 9 trimmed (as of 2026-03-31).

13F positions are self-reported and can lag up to 45 days. Informational only — not investment advice.

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Superinvestors Holding This Security

Show all 22 holders

Ownership overview

Berkshire Hathaway Inc-Cl B (BRK.B) is held by 22 of the superinvestors tracked on Compounder, with a combined $15.60B in reported 13F value. The largest position belongs to Bill Gates, where it makes up 25.8% of the portfolio.

Other notable holders by value include Duan Yongping (21.9% of its book), Thomas Gayner (6.1% of its book) and Thomas Russo (6.3% of its book).

Over the latest quarter, 1 of the tracked filers opened a new position in BRK.B, 6 added to existing ones, 9 trimmed, and 0 sold out entirely.

Holder counts and values reflect the most recent SEC Form 13F filings, through the quarter ended 2026-03-31. Source: SEC EDGAR. A 13F shows only long US-listed positions and can lag the real portfolio by up to 45 days, so this is disclosed long ownership, not a complete picture.

Holders over time

Superinvestors holding this security over the last 8 quarters: 22 → 22.

Early quarters may understate holder counts due to data backfill — read the slope with care.

Key facts & links

Ticker
BRK.B
Total value held
$15.60B
Largest holder
Bill Gates
External

Sources· SEC EDGAR 13F as of 2026-03-31 · filed 2026-05-19

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