A detailed history of Castlekeep Investment Advisors LLC transactions in Berkshire Hathaway Inc Class B stock. As of the latest transaction made, Castlekeep Investment Advisors LLC holds 25,700 shares of BRK-B stock, worth $13.7 Million. This represents 7.03% of its overall portfolio holdings.

Number of Shares
25,700
Previous 19,301 33.15%
Holding current value
$13.7 Million
Previous $8.75 Billion 56.45%
% of portfolio
7.03%
Previous 6.13%

Shares

7 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q1 2025

May 01, 2025

BUY
$442.66 - $534.52 $2.83 Million - $3.42 Million
6,399 Added 33.15%
25,700 $13.7 Billion
Q4 2024

Feb 20, 2025

SELL
$442.29 - $483.08 $3.85 Billion - $4.21 Billion
-8,708,605 Reduced 99.78%
19,301 $8.75 Billion
Q4 2024

Feb 14, 2025

BUY
$442.29 - $483.08 $3.85 Billion - $4.21 Billion
8,710,511 Added 50074.8%
8,727,906 $134 Billion
Q3 2024

Feb 21, 2025

SELL
$405.19 - $478.57 $558,757 - $659,948
-1,379 Reduced 7.14%
17,922 $8.25 Billion
Q2 2024

Feb 14, 2025

SELL
$396.73 - $420.24 $1.2 Million - $1.27 Million
-3,019 Reduced 14.79%
17,395 $7.08 Billion
Q1 2024

Feb 14, 2025

BUY
$359.29 - $420.52 $643,847 - $753,571
1,792 Added 9.62%
20,414 $8.58 Billion
Q4 2023

Feb 14, 2025

BUY
$331.71 - $362.68 $6.18 Million - $6.75 Million
18,622 New
18,622 $6.64 Billion

Others Institutions Holding BRK-B

About BERKSHIRE HATHAWAY INC - Class B


  • Ticker BRK-B
  • Exchange NYSE
  • Sector Financial Services
  • Industry Insurance—Diversified
  • Shares Outstandng 1,301,129,984
  • Market Cap $694B
More about BRK-B
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