13F Insight
DOSSIER · 13F Holders · Q1 2026Financial Services · Fire, Marine & Casualty Insurance
BRK/A

BERKSHIRE HATHAWAY INC DEL

1,486 institutions still hold BERKSHIRE HATHAWAY INC DEL as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 084670108·Fire, Marine & Casualty Insurance·1,486 13F holders·last filed Mar 31, 2026
Market cap
—
13F value held
$35.8B
visible holders
Holders
1,486
filers reporting
Concentration
34.14%
FMR LLC #1
top holder share
AI Holders Summary · Q1 2026

1,486 institutions reported BRK/A in Q1 2026. FMR LLC leads at 34.1% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
FMR LLC
CIK 0000315066
$12.2B17K0.64%Q1 202602
FIRST MANHATTAN CO. LLC.
CIK 0000728083
$10.0B14K27.82%Q1 202603
Vanguard Portfolio Management
CIK 0002100121· Index
$1.5B2K0.08%Q1 202604
HighTower Advisors, LLC
CIK 0001462245
$1.4B2K1.53%Q1 202605
GARDNER RUSSO & QUINN LLC
CIK 0000860643
$1.0B1K12.34%Q1 202606
EVERETT HARRIS & CO /CA/
CIK 0001009254
$1.0B1K13.08%Q1 202607
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$990M1K0.02%Q1 202608
Hikari Tsushin, Inc.
CIK 0001423673
$809M1K55.80%Q1 202609
MARKEL GROUP INC.
CIK 0001096343
$800M1K6.70%Q1 202610
Paralel Advisors LLC
CIK 0001895911
$738M1K30.68%Q1 202611
DAVIS SELECTED ADVISERS
CIK 0001036325
$663M9233.04%Q1 202612
US BANCORP \DE\
CIK 0000036104
$618M8610.75%Q1 202613
Hikari Power Ltd
CIK 0001606152
$545M75947.49%Q1 202614
MORGAN STANLEY
CIK 0000895421
$542M7550.03%Q1 202615
BANK OF AMERICA CORP /DE/
CIK 0000070858
$534M7440.04%Q1 202616
WELLCOME TRUST LTD (THE) as trustee of the WELLCOME TRUST
CIK 0001026720
$524M7005.82%Q2 202617
FIDUCIARY TRUST CO
CIK 0000035442
$462M6435.46%Q1 202618
STATE OF WISCONSIN INVESTMENT BOARD
CIK 0000854157
$452M6301.04%Q1 202619
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM
CIK 0000919079
$450M6270.28%Q1 202620
PNC FINANCIAL SERVICES GROUP, INC.
CIK 0000713676
$406M5380.24%Q4 2025
Page 1 of 75
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Insiders at BERKSHIRE HATHAWAY INC DEL
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