Boston Partners

Position in BRK-B — Berkshire Hathaway Inc

CIK 1386060 BOSTON, MA

Back to BRK-B Full portfolio

Position in BRK-B

as of Mar 31, 2026 · filed May 11, 2026 Compact

Position Value

$4,402,889

+$524,443 QoQ

Shares Held

9,188

+19.1% QoQ

Ownership

0.001%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 76.99172834131475.ToString("F0")% Shared 0.ToString("F0")% None 23.008271658685242.ToString("F0")%

Common Shares in BRK-B Over Time

Shares Held

Position Value (USD)

Position in Insurance - Diversified

Financial Services · as of Mar 31, 2026

Boston Partners holds $343,248,430 across 4 Insurance - Diversified names. BRK-B ranks #3 (1.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ACGL	Arch Capital Group Ltd.	2,092,817	$200,889,502
2	AIG	American International Group, Inc.	1,822,581	$137,149,219
3	BRK-B	Berkshire Hathaway Inc This page	9,188	$4,402,889
4	XZO	Exzeo Group, Inc.	54,998	$806,820

All Filings in BRK-B

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25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$4,402,889	9,188	+19.1%	Shares	Defined	2026-05-11
2025-12-31	$3,878,446	7,716	-2.9%	Shares	Other	2026-02-13
2025-09-30	$3,994,268	7,945	+17.9%	Shares	Defined	2025-11-13
2025-06-30	$3,272,146	6,736	-32.7%	Shares	Other	2025-08-12
2025-03-31	$5,331,125	10,010	-33.1%	Shares	Other	2025-05-13
2024-12-31	$6,783,334	14,965	-16.8%	Shares	Defined	2025-02-11
2024-09-30	$8,278,235	17,986	-99.3%	Shares	Defined	2024-11-12
2024-06-30	$1,112,440,159	2,734,612	-0.3%	Shares	Defined	2024-08-14
2024-03-31	$1,152,911,086	2,741,632	+1.0%	Shares	Defined	2024-05-28
2023-12-31	$968,422,490	2,715,254	-6.3%	Shares	Defined	2024-02-07
2023-09-30	$1,014,967,275	2,897,423	-2.0%	Shares	Defined	2023-11-08
2023-06-30	$1,008,242,543	2,956,723	-6.2%	Shares	Other	2023-08-10
2023-03-31	$973,083,404	3,151,483	-1.0%	Shares	Defined	2023-05-09
2022-12-31	$983,633,666	3,184,311	+6.8%	Shares	Defined	2023-02-08
2022-09-30	$795,820,799	2,980,379	+6.6%	Shares	Other	2022-11-09
2022-06-30	$763,433,265	2,796,254	+0.8%	Shares	Defined	2022-08-10
2022-03-31	$978,592,253	2,772,923	-0.4%	Shares	Defined	2022-05-10
2021-12-31	$832,060,489	2,782,811	-5.3%	Shares	Other	2022-02-04
2021-09-30	$801,912,183	2,938,053	+0.3%	Shares	Other	2021-11-05
2021-06-30	$814,354,791	2,930,177	-2.6%	Shares	Other	2021-08-12
2021-03-31	$768,921,012	3,009,829	-20.1%	Shares	Other	2021-05-10
2020-12-31	$873,899,710	3,768,921	-4.7%	Shares	Other	2021-02-10
2020-09-30	$842,300,139	3,955,575	-16.1%	Shares	Other	2020-11-13
2020-06-30	$841,578,073	4,714,459	-24.9%	Shares	Defined	2020-08-12
2020-03-31	$1,147,314,559	6,275,308	—	Shares	Defined	2020-05-13
No filing history on record for this holder in this stock.