InvestorLens

BRK-B — BERKSHIRE HATHAWAY INC DEL

Public company

Sign in to save5 tracked investors reported this
For educational research only.InvestorLens analyzes public regulatory filings (SEC EDGAR, STOCK Act PTRs) that may be delayed by 45 days or more. Information shown is historical and is not financial, legal, or tax advice, nor a recommendation or solicitation to buy or sell any security. Always do your own research.

InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.

Sourced from SEC EDGAR public filings

About BERKSHIRE HATHAWAY INC DEL (BRK-B)

BERKSHIRE HATHAWAY INC DEL (BRK-B) appears in the most recent 13F filings of 5 tracked institutional investors. The largest disclosed position is held by Ken Griffin (Citadel Advisors), valued at $2.4B. Across recent filings, tracked investors recorded 8 new positions, 0 increased, 1 reduced, and 0 exited. All data sourced from SEC 13F filings.

Smart Money Consensus™

Based on recent institutional activity in BRK-B

89
/100
Strong Institutional Accumulation
Added / Increased8
Reduced1
Exited0
BearishBullish
Crowded Trade Score™

How many top investors track BRK-B

33
/100
Emerging Interest
5investors

A small number of top investors own this.

UndiscoveredCrowded
151015+

BRK-B Ownership Composition

How BERKSHIRE HATHAWAY INC DEL is held across tracked investor types, based on reported 13F positions.

Dominant Type
Other
97% of tracked value
Institutions
5
tracked investors
Total Reported
$3.8B
combined 13F value
Sectors2
  • Other96.6%
  • Hedge Funds3.4%
Other(3)
96.6%
Hedge Funds(2)
3.4%

Tracked investors reporting BRK-B

  • Ken GriffinMar 31, 2026
    Citadel Advisors
    Shares
    5.1M
    Value
    $2.4B
    % Portfolio
    0.39%
  • Izzy EnglanderMar 31, 2026
    Millennium Management
    Shares
    2.4M
    Value
    $1.1B
    % Portfolio
    0.47%
  • Paul Tudor JonesMar 31, 2026
    Tudor Investment Corp
    Shares
    322.1K
    Value
    $154.4M
    % Portfolio
    0.29%
  • Steve CohenMar 31, 2026
    Point72 Asset Management
    Shares
    138.6K
    Value
    $66.4M
    % Portfolio
    0.09%
  • George SorosMar 31, 2026
    Soros Fund Management
    Shares
    133.3K
    Value
    $63.9M
    % Portfolio
    0.70%

Recent activity

Frequently asked questions

How many institutional investors hold BRK-B?
5 tracked institutional investors disclosed a position in BRK-B (BERKSHIRE HATHAWAY INC DEL) in their most recent 13F filing.
Who is the largest institutional holder of BRK-B?
Ken Griffin, Citadel Advisors, holds the largest disclosed position in BRK-B, valued at $2.4B.
Did institutional ownership of BRK-B increase or decrease?
Across recent 13F filings, tracked investors recorded 8 new positions, 0 increased, 1 reduced, and 0 fully exited BRK-B.
Where does this BRK-B ownership data come from?
SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.
BRK-B (BERKSHIRE HATHAWAY INC DEL) — Institutional Holders — InvestorLens