WhaleCreep

Which hedge funds own BRK/B? BERKSHIRE HATHAWAY INC DEL, Q2 2026 13F holders

128 tracked hedge funds disclosed a position in BRK/B (BERKSHIRE HATHAWAY INC DEL) in their Q2 2026 13F filings, worth $12.2bn in total. The largest holder by portfolio weight is Cook & Bynum Capital Management, LLC at 41.2% of its book. 20 opened a new position this quarter: Prana Capital Management, LP, Magnolia Group, LLC, Semanteon Capital Management, LP, iSAM Funds (UK) Ltd. 13 exited: Hound Partners, LLC, ADAPT Investment Managers SA, Lecap Asset Management Ltd.

128
Holders
Tracked managers whose filing for the quarter reports a long equity position in the security.
20
New this quarter
Holders whose previous filing (at most two quarters earlier) did not report the security.
13
Exited this quarter
Tracked managers whose previous filing reported the security and whose filing for the quarter does not.
$212m
Inflow, new holders
Combined value of the positions the new holders reported for the quarter.
$116m
Outflow, exits
Combined value the exiting managers reported for the security in their previous filing.
$12.2bn
Combined value
Sum of the holders' reported positions in the security.
10.3%
Share of managers holding
Holders as a share of tracked managers filing for that quarter. Comparable across the 2024 coverage expansion, where the raw holder count is not.

Holders, Q2 2026

128 rows
Cook & Bynum Capital Management, LLC Hedge fund41.2%$55.4m110,6710.0%held
Semper Augustus (Chris Bloomstran) Long-only investor15.5%$137m273,145+8.0%added
Himalaya Capital Management LLC Hedge fund15.0%$555m1.11m+23%added
Unison Asset Management LLC Hedge fund9.8%$24.1m48,189+5.7%added
Archon Partners LLC Hedge fund9.4%$88.5m176,8000.0%held
Bronte Capital Management Pty Ltd. Hedge fund8.2%$73.0m145,847−5.9%reduced
JCP Investment Management, LLC Hedge fund7.0%$13.2m26,324+294%added
Eos Management, L.P. Hedge fund6.6%$16.6m33,2500.0%held
Gardner Russo & Quinn (Tom Russo) Long-only investor6.1%$540m1.08m−2.8%reduced
Markel Group Investment holding company5.8%$767m1.53m0.0%held
LFL Advisers, LLC Hedge fund4.2%$15.9m31,691−0.4%held
Giverny Capital (François Rochon) Long-only investor4.2%$124m248,447−34%reduced
Bislett Management, LLC Hedge fund3.7%$5.5m11,0000.0%held
Tweedy, Browne Long-only investor3.7%$48.9m97,625+0.2%held
Patton Fund Management, Inc. Hedge fund3.4%$15.9m31,857+3.1%added
Findlay Park Partners Long-only investor3.2%$235m468,716−3.3%reduced
Nitor Capital Management LLC Hedge fund3.0%$4.5m8,977+11%added
Greenbrier Partners Capital Management, LLC Hedge fund3.0%$40.2m80,435−0.3%held
Fairholme Capital Management (Bruce Berkowitz) Long-only investor3.0%$44.0m87,852+74%added
Ruane, Cunniff & Goldfarb (Sequoia Fund) Long-only investor2.3%$150m300,672−3.1%reduced
First Manhattan Long-only investor2.3%$890m1.78m−1.4%reduced
QVT Financial LP Hedge fund2.1%$33.6m67,124+40%added
Prana Capital Management, LP Hedge fund2.1%$68.4m136,632–new
Pin Oak Investment Advisors Inc Hedge fund2.1%$2.9m5,833+12%added
Magnolia Group, LLC Hedge fund2.0%$9.8m19,500–new
Venator Management LLC Hedge fund2.0%$9.1m18,141+0.4%held
Hudson Bay Capital Management LP Hedge fund1.9%$409m818,279+6.9%added
BTG Pactual Asset Management US LLC Hedge fund1.8%$24.7m49,371+9.7%added
Pilgrim Partners Asia Pte Ltd Hedge fund1.7%$3.9m7,750−42%reduced
Cohen Klingenstein LLC Hedge fund1.5%$52.7m105,274−0.4%held
CenterBook Partners LP Hedge fund1.4%$28.1m56,229+14%added
X-Square Capital, LLC Hedge fund1.3%$5.3m10,606+7.1%added
Corsair Capital Management, L.P. Hedge fund1.3%$10.3m20,5480.0%held
Birnam Oak Advisors, LP Hedge fund1.2%$7.5m15,000+7.1%added
Arnhold LLC Hedge fund1.2%$17.4m34,755−0.5%reduced
One River Asset Management, LLC Hedge fund1.2%$253k506−64%reduced
Old West Investment Management, LLC Hedge fund1.2%$11.2m22,326+4.6%added
Farley Capital L.P. Hedge fund1.1%$1.4m2,8940.0%held
Adage Capital Partners GP, L.L.C. Hedge fund1.1%$808m1.62m−3.7%reduced
Semanteon Capital Management, LP Hedge fund1.0%$231k462–new
iSAM Funds (UK) Ltd Hedge fund1.0%$1.4m2,880–new
IFM Investors Pty Ltd Hedge fund1.0%$151m302,137+14%added
Capricorn Fund Managers Ltd Hedge fund0.9%$11.2m22,4680.0%held
Machina Capital S.A.S. Hedge fund0.9%$5.6m11,202+311%added
Soros Fund Management Family office0.9%$66.7m133,2770.0%held
Two Sigma Investments, LP Hedge fund0.9%$1.1bn2.27m+40%added
West Family Investments, Inc. Family office0.8%$2.8m5,634+2.3%added
Parallax Volatility Advisers, L.P. Hedge fund0.8%$21.6m43,216+30%added
Capital Fund Management S.A. Hedge fund0.8%$111m221,197−17%reduced
Stenham Asset Management Ltd Hedge fund0.8%$1.1m2,211+18%added