Corundum Trust Company, Inc Berkshire Hathaway Inc Class B Transaction History

Corundum Trust Company, Inc

$37.9 Billion
Q2 2025

A detailed history of Corundum Trust Company, Inc transactions in Berkshire Hathaway Inc Class B stock. As of the latest transaction made, Corundum Trust Company, Inc holds 666 shares of BRK-B stock, worth $317,768. This represents 0.85% of its overall portfolio holdings.

Number of Shares

666

Previous 667 0.15%

Holding current value

$317,768

Previous $355 Million 8.93%

% of portfolio

0.85%

Previous 1.02%

6 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2025 Jul 28, 2025	SELL	$483.48 - $539.8 $483 - $539	-1 Reduced 0.15%	666 $324 Million
Q1 2025 Apr 24, 2025	BUY	$442.66 - $534.52 $10,623 - $12,828	24 Added 3.73%	667 $355 Million
Q4 2024 Jan 17, 2025	SELL	$442.29 - $483.08 $12,384 - $13,526	-28 Reduced 4.17%	643 $291 Million
Q2 2024 Jul 24, 2024	SELL	$396.73 - $420.24 $170,197 - $180,282	-429 Reduced 39.0%	671 $273 Million
Q3 2023 Oct 23, 2023	SELL	$340.9 - $370.48 $1,363 - $1,481	-4 Reduced 0.36%	1,100 $385 Million
Q2 2023 Aug 03, 2023	BUY	$309.07 - $341.0 $341,213 - $376,464	1,104 New	1,104 $376 Million

Others Institutions Holding BRK-B

# of Institutions

5,002

Shares Held

915M

Call Options Held

18.1M

Put Options Held

12M

View Full List

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 $621B

More about BRK-B

Track This Portfolio

Portfolio Update

Get notified when there are updates to the investment portfolio of Corundum Trust Company, Inc, based on Form 13F filings with the SEC.

News

Stay updated on Corundum Trust Company, Inc with notifications on news.

Account

Corundum Trust Company, Inc Berkshire Hathaway Inc Class B Transaction History