Stock Ownership/BERKSHIRE HATHAWAY INC DEL

BERKSHIRE HATHAWAY INC DEL: Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in BERKSHIRE HATHAWAY INC DEL · Financials. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
51
13F filers
Aggregate Value
$18.0B
Across holders
Last Price
$504.32
2026-08-24
Sector
Financials
GICS
Quarterly fund activity27 increased20 reduced3 exited
Full exits: Hound Partners, LLC, Grantham, Mayo, Van Otterloo & Co. LLC, HBK INVESTMENTS L P
Institutional Holders of BERKSHIRE HATHAWAY INC DEL
51 holders
ManagerTypeSharesMarket Value% of Total% of PortfolioActionQoQ ChangeQuarter
BILL & MELINDA GATES FOUNDATION TRUST
CIK 0001166559
Endowment14.69M$7.4B40.9%21.4%Reduced$-1.2BQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund2.38M$1.2B6.6%0.4%Added+$1.2BQ2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund2.27M$1.1B6.3%0.8%Added+$1.1BQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund1.92M$961.0M5.3%0.5%Added+$688.2MQ2 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.
CIK 0001165408
Hedge Fund1.62M$808.2M4.5%1.1%Reduced$-31.4MQ2 2026
MARKEL CORP (MKL)
CIK 0001096343
Hedge Fund1.53M$766.6M4.3%5.8%Unchanged+$338.7MQ2 2026
YACKTMAN ASSET MANAGEMENT CO/IL
CIK 0000905567
Institutional Manager1.16M$581.2M3.2%7.2%Added+$423.6MQ2 2026
Himalaya Capital Management LLC
CIK 0001709323
Hedge Fund1.11M$554.6M3.1%15.0%Added+$105.4MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund1.09M$543.3M3.0%0.1%Reduced$-767.9MQ2 2026
Hudson Bay Capital Management LP
CIK 0001393825
Hedge Fund818K$409.5M2.3%1.1%Added$-391.2MQ2 2026
BILL & MELINDA GATES FOUNDATION TRUSTReduced
Endowment
$7.4B· 40.9% of total· 21.4% port· 14.69M sh· $-1.2B QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$1.2B· 6.6% of total· 0.4% port· 2.38M sh· +$1.2B QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$1.1B· 6.3% of total· 0.8% port· 2.27M sh· +$1.1B QoQ· Q2 2026
SHAW D E & CO INCAdded
Hedge Fund
$961.0M· 5.3% of total· 0.5% port· 1.92M sh· +$688.2M QoQ· Q2 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.Reduced
Hedge Fund
$808.2M· 4.5% of total· 1.1% port· 1.62M sh· $-31.4M QoQ· Q2 2026
MARKEL CORP (MKL)Unchanged
Hedge Fund
$766.6M· 4.3% of total· 5.8% port· 1.53M sh· +$338.7M QoQ· Q2 2026
YACKTMAN ASSET MANAGEMENT CO/ILAdded
Institutional Manager
$581.2M· 3.2% of total· 7.2% port· 1.16M sh· +$423.6M QoQ· Q2 2026
Himalaya Capital Management LLCAdded
Hedge Fund
$554.6M· 3.1% of total· 15.0% port· 1.11M sh· +$105.4M QoQ· Q2 2026
CITADEL ADVISORS LLCReduced
Hedge Fund
$543.3M· 3.0% of total· 0.1% port· 1.09M sh· $-767.9M QoQ· Q2 2026
Hudson Bay Capital Management LPAdded
Hedge Fund
$409.5M· 2.3% of total· 1.1% port· 818K sh· $-391.2M QoQ· Q2 2026
Qube Research & Technologies LtdAdded
Hedge Fund
$391.3M· 2.2% of total· 0.4% port· 782K sh· +$301.5M QoQ· Q2 2026
Rockefeller Capital Management L.P.Added
Hedge Fund
$302.3M· 1.7% of total· 0.5% port· 604K sh· $-1.6B QoQ· Q2 2026
Squarepoint Ops LLCAdded
Hedge Fund
$295.9M· 1.6% of total· 0.3% port· 591K sh· +$208.5M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCReduced
Hedge Fund
$294.1M· 1.6% of total· 0.1% port· 588K sh· +$201.1M QoQ· Q2 2026
Holocene Advisors, LPUnchanged
Hedge Fund
$263.7M· 1.5% of total· 0.6% port· 527K sh· +$0 QoQ· Q2 2026
Clearbridge Investments, LLCReduced
Hedge Fund
$239.0M· 1.3% of total· 0.2% port· 478K sh· $-303.6M QoQ· Q2 2026
BALYASNY ASSET MANAGEMENT LLCReduced
Hedge Fund
$212.6M· 1.2% of total· 0.3% port· 425K sh· +$174.3M QoQ· Q2 2026
MARSHALL WACE, LLPReduced
Hedge Fund
$195.2M· 1.1% of total· 0.2% port· 390K sh· $-25.0M QoQ· Q2 2026
Woodline Partners LPAdded
Hedge Fund
$187.6M· 1.0% of total· 0.6% port· 375K sh· +$16.8M QoQ· Q2 2026
PineBridge Investments, L.P.Reduced
Hedge Fund
$157.3M· 0.9% of total· 1.2% port· 313K sh· $-37.3M QoQ· Q3 2025
Ruane, Cunniff & Goldfarb L.P.Reduced
Hedge Fund
$150.5M· 0.8% of total· 2.3% port· 301K sh· $-4.9M QoQ· Q2 2026
Man Group plcAdded
Hedge Fund
$110.0M· 0.6% of total· 0.2% port· 220K sh· +$83.9M QoQ· Q2 2026
CAPSTONE INVESTMENT ADVISORS, LLCAdded
Hedge Fund
$98.8M· 0.5% of total· 0.2% port· 197K sh· $-23.6M QoQ· Q2 2026
SOROS FUND MANAGEMENT LLCUnchanged
Family Office
$66.7M· 0.4% of total· 0.8% port· 133K sh· +$0 QoQ· Q2 2026
VOLORIDGE INVESTMENT MANAGEMENT, LLCAdded
Hedge Fund
$62.4M· 0.3% of total· 0.3% port· 125K sh· +$19.9M QoQ· Q2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPAdded
Hedge Fund
$54.1M· 0.3% of total· 0.0% port· 108K sh· +$46.7M QoQ· Q2 2026
Gotham Asset Management, LLCReduced
Hedge Fund
$51.6M· 0.3% of total· 0.1% port· 103K sh· $-516K QoQ· Q2 2026
TUDOR INVESTMENT CORP ET ALReduced
Hedge Fund
$50.7M· 0.3% of total· 0.1% port· 101K sh· $-32.1M QoQ· Q2 2026
TWEEDY BROWNE CO LLC//Added
Institutional Manager
$48.9M· 0.3% of total· 3.7% port· 98K sh· +$110K QoQ· Q2 2026
Schonfeld Strategic Advisors LLCAdded
Hedge Fund
$48.6M· 0.3% of total· 0.2% port· 97K sh· +$48.4M QoQ· Q2 2026
Ancora Advisors, LLCReduced
Hedge Fund
$48.0M· 0.3% of total· 0.9% port· 96K sh· +$38.6M QoQ· Q2 2026
GAMCO INVESTORS, INC. ET ALReduced
Institutional Manager
$41.5M· 0.2% of total· 0.4% port· 83K sh· $-604K QoQ· Q2 2026
ExodusPoint Capital Management, LPAdded
Hedge Fund
$39.8M· 0.2% of total· 0.3% port· 80K sh· QoQ· Q2 2026
Ruffer LLPAdded
Hedge Fund
$36.5M· 0.2% of total· 1.3% port· 73K sh· +$32.0M QoQ· Q2 2026
First Eagle Investment Management, LLCAdded
Institutional Manager
$33.8M· 0.2% of total· 0.1% port· 68K sh· $-2.5M QoQ· Q2 2026
Brevan Howard Capital Management LPAdded
Hedge Fund
$26.8M· 0.1% of total· 0.2% port· 54K sh· +$18.3M QoQ· Q2 2026
Parallax Volatility Advisers, L.P.Added
Hedge Fund
$21.6M· 0.1% of total· 0.0% port· 43K sh· $-89.6M QoQ· Q2 2026
Walleye Capital LLCReduced
Hedge Fund
$20.3M· 0.1% of total· 0.1% port· 40K sh· +$3.6M QoQ· Q2 2026
Fisher Asset Management, LLCReduced
Institutional Manager
$17.6M· 0.1% of total· 0.0% port· 35K sh· $-1.5M QoQ· Q2 2026
EAGLE CAPITAL MANAGEMENT LLCReduced
Hedge Fund
$16.6M· 0.1% of total· 0.1% port· 33K sh· $-8.8M QoQ· Q2 2026
TCW GROUP INCAdded
Hedge Fund
$15.6M· 0.1% of total· 0.1% port· 31K sh· +$416K QoQ· Q2 2026
JUPITER ASSET MANAGEMENT LTDReduced
Hedge Fund
$14.5M· 0.1% of total· 0.1% port· 29K sh· $-21.8M QoQ· Q2 2026
BAILLIE GIFFORD & COAdded
Institutional Manager
$14.4M· 0.1% of total· 0.0% port· 29K sh· QoQ· Q2 2026
HARRIS ASSOCIATES L PReduced
Institutional Manager
$12.6M· 0.1% of total· 0.0% port· 25K sh· $-93K QoQ· Q2 2026
Bridgewater Advisors Inc.Added
Hedge Fund
$9.6M· 0.1% of total· 0.5% port· 19K sh· +$231K QoQ· Q2 2026
DODGE & COXUnchanged
Institutional Manager
$5.7M· 0.0% of total· 0.0% port· 11K sh· +$0 QoQ· Q2 2026
AKRE CAPITAL MANAGEMENT LLCReduced
Institutional Manager
$4.1M· 0.0% of total· 0.1% port· 8K sh· $-1.1M QoQ· Q2 2026
Verition Fund Management LLCReduced
Hedge Fund
$3.7M· 0.0% of total· 0.0% port· 7K sh· +$3.0M QoQ· Q2 2026
Fulcrum Asset Management LLPAdded
Hedge Fund
$3.0M· 0.0% of total· 0.3% port· 6K sh· QoQ· Q2 2026
CAXTON ASSOCIATES LLPAdded
Hedge Fund
$2.1M· 0.0% of total· 0.0% port· 4K sh· +$1.8M QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCAdded
Hedge Fund
$892K· 0.0% of total· 0.0% port· 2K sh· +$34K QoQ· Q2 2026
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