13F Insight
DOSSIER · 13F Holders · Q1 2026Cheap mega-capRe-rated

BERKSHIRE HATHAWAY

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

CUSIP 084670207·15 13F holders·last filed Mar 31, 2026
Market cap
—
▼ 9.6%
vs prior quarter
13F value held
$35M
70.0% inst. owned
of float
Holders
15
+114 QoQ
filers reporting
Activity
+8 / −71
+780 added · −666 reduced
this quarter
Concentration
34.48%
Ironwood Investment Counsel, LLC #1
top holder share
AI Holders Summary · Q1 2026

15 institutions reported BERKSHIRE HATHAWAY in Q1 2026. Ironwood Investment Counsel, LLC leads at 34.5% of the visible book. +114 net new institutions vs prior quarter — accumulation reading.

Top holders

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

#HolderValueShares% port.Quarter
01
Ironwood Investment Counsel, LLC
CIK 0001330463
$12M25K1.74%Q1 202602
Lummis Asset Management, LP
CIK 0002011652
$7M16K4.47%Q1 202603
Drystone LLC
CIK 0001910462
$7M15K6.66%Q4 202504
Barton Investment Management
CIK 0001387818
$5M10K0.62%Q1 202605
Sherry Group, Inc.
CIK 0002107738
$1M3K1.41%Q1 202606
KELLY LAWRENCE W & ASSOCIATES INC/CA
CIK 0000920441
$589,8951K0.16%Q1 202607
SCHULHOFF & CO INC
CIK 0001080197
$317,7096630.13%Q1 202608
Tandem Investment Advisors, Inc.
CIK 0001694284
$298,5426230.01%Q1 202609
SFAM, LLC
CIK 0001713286
$278,4155810.26%Q1 202610
Accent Capital Management, LLC
CIK 0002014179
$172,5123600.08%Q1 202611
Sawyer & Company, Inc
CIK 0001722436
$139,4472910.05%Q1 202612
West Oak Capital, LLC
CIK 0001387399
$4,2288410.17%Q3 202513
HUNTINGTON NATIONAL BANK
CIK 0000049205
$3,47610.00%Q1 202614
Opus Capital Group, LLC
CIK 0001330325
$9522K0.10%Q1 202615
Grassi Investment Management
CIK 0001608531
$3737670.03%Q2 2025