TOKIO MARINE ASSET MANAGEMENT CO LTD

Position in BRK-B — Berkshire Hathaway Inc

CIK 1504169 Tokyo, M0

Back to BRK-B Full portfolio

Position in BRK-B

as of Jun 30, 2026 · filed Jul 30, 2026 Compact

Position Value

$25,385,285

+$2,251,905 QoQ

Shares Held

50,731

+5.1% QoQ

Ownership

0.004%

of shares outstanding

% of Portfolio

0.81%

of 13F equity value

Holder Rank

#820

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

TOKIO MARINE ASSET MANAGEMENT CO LTD holds $29,071,888 across 4 Insurance - Diversified names. BRK-B ranks #1 (87.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	BRK-B	Berkshire Hathaway Inc This page	50,731	$25,385,285
2	AIG	American International Group, Inc.	17,291	$1,288,698
3	HIG	Hartford Insurance Group, Inc.	9,083	$1,203,679
4	ACGL	Arch Capital Group Ltd.	12,304	$1,194,226

All Filings in BRK-B

Export CSV

26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$25,385,285	50,731	+5.1%	Shares	Defined	2026-07-30
2026-03-31	$23,133,380	48,275	+3.6%	Shares	Defined	2026-05-13
2025-12-31	$23,419,468	46,592	+4.5%	Shares	Defined	2026-01-27
2025-09-30	$22,423,209	44,602	+4.6%	Shares	Defined	2025-10-27
2025-06-30	$20,704,974	42,623	+6.9%	Shares	Defined	2025-08-12
2025-03-31	$21,231,834	39,866	+6.9%	Shares	Defined	2025-05-13
2024-12-31	$16,910,063	37,306	+3.5%	Shares	Defined	2025-01-24
2024-09-30	$16,594,214	36,054	+8.8%	Shares	Defined	2024-11-06
2024-06-30	$13,482,165	33,142	+4.4%	Shares	Defined	2024-07-26
2024-03-31	$13,347,725	31,741	+9.8%	Shares	Defined	2024-05-02
2023-12-31	$10,309,613	28,906	+6.3%	Shares	Defined	2024-02-02
2023-09-30	$9,525,707	27,193	+8.8%	Shares	Sole	2023-11-02
2023-06-30	$8,524,318	24,998	+3.7%	Shares	Sole	2023-07-28
2023-03-31	$7,443,518	24,107	+14.4%	Shares	Defined	2023-05-11
2022-12-31	$6,511,612	21,080	+13.1%	Shares	Defined	2023-01-26
2022-09-30	$4,978,320	18,644	+11.6%	Shares	Defined	2022-11-10
2022-06-30	$4,559,434	16,700	+19.1%	Shares	Defined	2022-08-09
2022-03-31	$4,949,562	14,025	+13.4%	Shares	Defined	2022-05-13
2021-12-31	$3,697,135	12,365	+7.0%	Shares	Defined	2022-01-26
2021-09-30	$3,154,094	11,556	+9.9%	Shares	Defined	2021-11-15
2021-06-30	$2,921,772	10,513	+11.5%	Shares	Defined	2021-08-12
2021-03-31	$2,407,804	9,425	+14.3%	Shares	Defined	2021-05-17
2020-12-31	$1,912,695	8,249	+7.8%	Shares	Defined	2021-02-16
2020-09-30	$1,630,055	7,655	+13.6%	Shares	Defined	2020-11-09
2020-06-30	$1,202,800	6,738	+19.1%	Shares	Defined	2020-08-07
2020-03-31	$1,034,452	5,658	—	Shares	Defined	2020-05-12
No filing history on record for this holder in this stock.