Mitsubishi UFJ Asset Management Co., Ltd.

Position in BRK-B — Berkshire Hathaway Inc

CIK 1466546 TOKYO, M0

Back to BRK-B Full portfolio

Position in BRK-B

as of Jun 30, 2026 · filed Aug 7, 2026 Compact

Position Value

$1,974,701,066

+$223,471,375 QoQ

Shares Held

3,946,324

+8.0% QoQ

Ownership

0.280%

of shares outstanding

% of Portfolio

1.10%

of 13F equity value

Holder Rank

#33

of 4,965 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Common Shares in BRK-B Over Time

Shares Held

Position Value (USD)

Position in Insurance - Diversified

Financial Services · as of Jun 30, 2026

Mitsubishi UFJ Asset Management Co., Ltd. holds $2,244,577,681 across 4 Insurance - Diversified names. BRK-B ranks #1 (88.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	BRK-B	Berkshire Hathaway Inc This page	3,946,324	$1,974,701,066
2	AIG	American International Group, Inc.	1,296,087	$96,597,364
3	HIG	Hartford Insurance Group, Inc.	682,682	$90,469,018
4	ACGL	Arch Capital Group Ltd.	853,186	$82,810,233

All Filings in BRK-B

Export CSV

26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$1,974,701,066	3,946,324	+8.0%	Shares	Defined	2026-08-07
2026-03-31	$1,751,229,691	3,654,486	+7.1%	Shares	Defined	2026-05-12
2025-12-31	$1,715,550,984	3,413,013	+6.1%	Shares	Defined	2026-02-03
2025-09-30	$1,617,837,429	3,218,040	+4.9%	Shares	Defined	2025-11-12
2025-06-30	$1,490,612,933	3,068,557	+7.5%	Shares	Defined	2025-08-07
2025-03-31	$1,520,030,719	2,854,089	+12.8%	Shares	Defined	2025-05-12
2024-12-31	$1,147,125,668	2,530,722	+9.3%	Shares	Defined	2025-02-12
2024-09-30	$1,065,658,848	2,315,341	+10.0%	Shares	Defined	2024-11-08
2024-06-30	$856,353,866	2,105,098	+12.0%	Shares	Defined	2024-08-13
2024-03-31	$790,318,139	1,879,383	+20.8%	Shares	Defined	2024-05-09
2023-12-31	$555,037,501	1,556,209	+7.1%	Shares	Defined	2024-02-08
2023-09-30	$509,219,550	1,453,667	+10.8%	Shares	Defined	2023-11-07
2023-06-30	$447,191,151	1,311,411	+5.7%	Shares	Defined	2023-08-09
2023-03-31	$383,063,458	1,240,611	+10.9%	Shares	Defined	2023-05-08
2022-12-31	$345,446,576	1,118,312	+13.8%	Shares	Defined	2023-02-07
2022-09-30	$262,338,872	982,469	+10.7%	Shares	Defined	2022-11-01
2022-06-30	$242,352,482	887,673	+11.6%	Shares	Defined	2022-08-04
2022-03-31	$280,603,328	795,113	+10.9%	Shares	Defined	2022-05-09
2021-12-31	$214,391,970	717,030	+17.6%	Shares	Defined	2022-02-07
2021-09-30	$166,478,388	609,945	+9.6%	Shares	Defined	2021-11-04
2021-06-30	$154,630,241	556,384	+17.3%	Shares	Defined	2021-08-06
2021-03-31	$121,124,969	474,126	+12.7%	Shares	Defined	2021-05-06
2020-12-31	$97,526,608	420,609	+8.4%	Shares	Defined	2021-02-09
2020-09-30	$82,659,262	388,181	+21.8%	Shares	Defined	2020-11-10
2020-06-30	$56,876,499	318,618	+21.5%	Shares	Defined	2020-08-06
2020-03-31	$47,959,599	262,318	—	Shares	Defined	2020-05-11
No filing history on record for this holder in this stock.