DOSSIER · 13F Holders · —Financial Services · Fire, Marine & Casualty InsuranceConglomerate

BRK/B

BERKSHIRE HATHAWAY INC DEL

0 institutions still hold BERKSHIRE HATHAWAY INC DEL as of —. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 084670702·Fire, Marine & Casualty Insurance·0 13F holders

Market cap

—

▲ 2.4%

vs prior quarter

13F value held

$486.0B

48.1% inst. owned

of float

Holders

+41 QoQ

filers reporting

Activity

+16 / −6

+668 added · −675 reduced

this quarter

Concentration

—

top holder share

AI Holders Summary · —

0 institutions reported BRK/B in —. Top-holder concentration data is loading. +41 net new institutions vs prior quarter — accumulation reading.