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NYSE · Holders

Berkshire Hathaway (Class A) (BRK-A) Institutional Ownership & Insider Trading History

Top BRK-A institutional shareholders, filing changes, and Form 4 insider activity with filters for buys, sales, option exercises, gifts, and tax withholding.

Last confirmed price
$791,919+0.30%
Oct 15, 2026, 1:45 PM EDT · Prices may be delayed
Market cap · calculated
$745.58B
Oct 15, 2026 · Valuation and sources

Data dates

Prices as of Oct 15, 1:45 PM EDT · Fundamentals checked Oct 15, 1:48 PM EDT · Statement period ended Jun 30, 2026

Ownership read

BRK-A insider transaction activity: Net selling.

Vinva Investment Management Ltd. is the largest institutional holder. 1 sale and 0 purchases appear in the recent Form 4 filings. Use the filters below to separate open-market activity from option exercises, gifts, awards, and tax withholding.

Insider flow

BRK-A

Purchases0
Sales2

Directional bars ignore awards, gifts, conversions, and tax withholding rows.

Top holder

184.83K

Vinva Investment Management Ltd.

Insider transaction activity

Net selling

$1.55M sold / $0.0000 bought

Observations shown

11

10 holder / 1 insider

Holder rows
10
Yahoo Finance · Filing dates shown per row
Increased / initiated
6
4 decreased · provider-reported changes
Insider rows
1
Yahoo Finance · Filing dates shown per row

Percent outstanding uses the quote share count, market cap divided by the share price (941.48K shares). The holder feed's percentages used a different share count, so they are not the figures on this page.

Ownership concentration and transaction activity

Top 10 reported holders
25.81% outstanding
Changes with share-count history
Prior-position data unavailable
New / exited positions
0 / 0 explicitly reported
Largest increase with share-count history
Prior share counts unavailable

These changes cover the holders shown. A holder missing from this list may still own shares. Compare positions from the same reporting quarters.

Net shares sold: 2

Sale-code S shares minus purchase-code P shares in this sample. Includes disclosed plans and unknown plan status; excludes grants, gifts, exercises and withholding. This is activity, not sentiment.

  • Purchase / sale; plan unknown: 1

Top 10 institutional holders

Berkshire Hathaway (Class A) (BRK-A) institutional ownership

Ranked by reported share count, with position changes and separate position and filing dates where ownership data supplies them.

Berkshire Hathaway (Class A) (BRK-A) institutional ownership
#Institution% heldSharesChange %Position / filing date
1
Vinva Investment Management Ltd.
19.6%184.83K+100.00%Position as of Jun 30, 2026Filing date unknown
2
FMR, LLC
1.54%14.53K-14.51%Position as of Jun 30, 2026Filing date unknown
3
First Manhattan Co. LLC
1.47%13.80K-1.19%Position as of Jun 30, 2026Filing date unknown
4
NORGES BANK
1.10%10.37K+0.61%Position as of Jun 30, 2026Filing date unknown
5
Lester Murray Antman dba SimplyRich
0.70%6.56K+327900.00%Position as of Jun 30, 2026Filing date unknown
6
Coldstream Capital Management, Inc.
0.64%6.04K+100633.32%Position as of Jun 30, 2026Filing date unknown
7
Vanguard Portfolio Management LLC
0.22%2.06K+0.15%Position as of Jun 30, 2026Filing date unknown
8
HighTower Advisors, LLC
0.21%1.95K-2.99%Position as of Jun 30, 2026Filing date unknown
9
Gardner Russo & Quinn, LLC
0.15%1.43K-1.92%Position as of Jun 30, 2026Filing date unknown
10
Everett Harris & Co/CA/
0.15%1.42K+0.14%Position as of Jun 30, 2026Filing date unknown
Showing 10 of 10 matching institutional rows.

Recent insider transactions

Berkshire Hathaway (Class A) (BRK-A) Form 4 filings

Action codes are translated so open-market buys and sales are separate from awards, gifts, conversions, and tax withholding.

Berkshire Hathaway (Class A) (BRK-A) Form 4 insider transactions
#Insider% companyActionSharesPriceValueTransaction date
1
WITMER MERYL B
Director
<0.01%SaleOpen-market or direct sale reported on Form 4.
Transaction context
Classification:
Purchase / sale; plan unknown
10b5-1:
Not reported
Holdings after:
Not reported
Position sold:
Not calculable
Filed:
Not reported

Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership.

2$775,884$1,551,767Mar 3, 2025
Showing 1 of 1 matching Form 4 rows. Percent outstanding uses the quote share count, market cap divided by the share price (941.48K shares). The holder feed's percentages used a different share count, so they are not the figures on this page.

Frequently asked

Questions about this quote

Who are the largest BRK-A shareholders?

Vinva Investment Management Ltd. is the largest reported institutional holder of BRK-A, with 184,831 shares, or about 19.63% of shares outstanding.

What does the institutional filing activity show for BRK-A?

Berkshire Hathaway (Class A) has 10 institutional rows on file: 6 increased or initiated positions and 4 reduced them.

What insider transactions are available for BRK-A?

TECHi shows 1 dated BRK-A insider transactions through Mar 3, 2025, with transaction types kept separate so administrative actions are not presented as open-market trades.

Are BRK-A insiders buying or selling?

The displayed BRK-A activity reads Net selling: 1 sale and 0 purchases. Other transaction types remain separate.

Who is the most active reported BRK-A insider?

WITMER MERYL B has the largest absolute share movement in the displayed BRK-A filing rows, totaling 2 shares. The action labels provide the transaction context.

All data sources

Search the dated figures used for this view. Each entry identifies its units, reporting period and calculation status.

What this page answers

Check who owns the float and whether insiders are active.

Explore Institutional concentration, insider transaction pattern, and float context.

Keep in mind Filings are delayed or transactions are administrative rather than economic.

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Next open: 2026-10-16 · 9:30 AM America/New_York

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