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

BERKSHIRE HATHAWAY INC DEL

5,088 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 084670702·Fire, Marine & Casualty Insurance·5,088 13F holders·last filed Mar 31, 2026
Market cap
—
▲ 2.4%
vs prior quarter
13F value held
$270.7B
48.1% inst. owned
of float
Holders
5,088
+41 QoQ
filers reporting
Activity
+16 / −6
+668 added · −675 reduced
this quarter
Concentration
21.46%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 2026

5,088 institutions reported BRK/B in Q1 2026. BlackRock, Inc. leads at 21.5% of the visible book. +41 net new institutions vs prior quarter — accumulation reading.

Top holders

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

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$58.1B121.2M1.01%Q1 202602
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$56.3B117.4M1.39%Q1 202603
STATE STREET CORP
CIK 0000093751
$35.5B74.1M1.23%Q1 202604
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$19.7B41.2M1.22%Q1 202605
MORGAN STANLEY
CIK 0000895421
$12.9B26.9M0.78%Q1 202606
Vanguard Portfolio Management
CIK 0002100121· Index
$11.4B23.7M0.59%Q1 202607
GATES FOUNDATION TRUST
CIK 0001166559
$8.2B17.0M25.80%Q1 202608
JPMORGAN CHASE & CO
CIK 0000019617
$7.8B16.4M0.50%Q1 202609
NORTHERN TRUST CORP
CIK 0000073124· Index
$7.4B15.5M0.98%Q1 202610
FMR LLC
CIK 0000315066
$7.2B15.0M0.38%Q1 202611
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 0000884546· Index
$5.5B11.4M0.83%Q1 202612
GOLDMAN SACHS GROUP INC
CIK 0000886982
$5.3B11.0M0.60%Q1 202613
Bank of New York Mellon Corp
CIK 0001390777
$5.2B10.8M0.95%Q1 202614
VANGUARD FIDUCIARY TRUST CO
CIK 0000933478· Index
$4.9B10.2M1.24%Q1 202615
ROYAL BANK OF CANADA
CIK 0001000275
$4.8B9.9M0.84%Q1 202616
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$4.5B9.4M0.51%Q1 202617
H&H International Investment, LLC
CIK 0001759760
$4.4B9.1M21.91%Q1 202618
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
CIK 0000861177
$4.2B8.8M0.88%Q1 202619
BANK OF AMERICA CORP /DE/
CIK 0000070858
$4.1B8.7M0.30%Q1 202620
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$3.5B7.3M0.73%Q1 2026
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