GREAT LAKES ADVISORS, LLC

Position in BRK-B — Berkshire Hathaway Inc

CIK 1078013 CHICAGO, IL

Position in BRK-B

as of Mar 31, 2026 · filed May 12, 2026 Compact

Position Value

$113,230,165

-$18,670,219 QoQ

Shares Held

236,290

-10.0% QoQ

Ownership

0.017%

of shares outstanding

% of Portfolio

1.05%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 99.54359774786609.ToString("F0")% Shared 0.ToString("F0")% None 0.4564022521339123.ToString("F0")%

Financial Services · as of Mar 31, 2026

GREAT LAKES ADVISORS, LLC holds $283,953,593 across 4 Insurance - Diversified names. BRK-B ranks #2 (39.9% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	HIG	Hartford Insurance Group, Inc.	1,100,200	$148,780,043
2	BRK-B	Berkshire Hathaway Inc This page	236,290	$113,230,165
3	ACGL	Arch Capital Group Ltd.	219,366	$21,056,940
4	AIG	American International Group, Inc.	11,780	$886,445

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$113,230,165	236,290	-10.0%	Shares	Sole	2026-05-12
2025-12-31	$131,900,384	262,410	-2.2%	Shares	Sole	2026-02-12
2025-09-30	$134,899,216	268,328	-1.9%	Shares	Sole	2025-11-03
2025-06-30	$132,883,839	273,553	-1.8%	Shares	Sole	2025-08-11
2025-03-31	$148,332,582	278,517	+0.5%	Shares	Sole	2025-05-16
2024-12-31	$125,634,255	277,167	-2.4%	Shares	Sole	2025-02-10
2024-09-30	$130,694,507	283,958	-4.0%	Shares	Sole	2024-11-04
2024-06-30	$120,296,859	295,715	-7.3%	Shares	Sole	2024-08-06
2024-03-31	$134,128,636	318,959	-1.6%	Shares	Sole	2024-05-08
2023-12-31	$115,643,793	324,241	-5.5%	Shares	Other	2024-02-08
2023-09-30	$120,139,937	342,963	+16.7%	Shares	Sole	2023-11-07
2023-06-30	$100,233,540	293,940	-9.9%	Shares	Sole	2023-08-10
2023-03-31	$100,735,593	326,248	+58.1%	Shares	Sole	2023-05-10
2022-12-31	$63,744,294	206,359	-3.2%	Shares	Sole	2023-02-09
2022-09-30	$56,926,527	213,192	-5.6%	Shares	Sole	2022-11-09
2022-06-30	$61,666,753	225,869	-15.7%	Shares	Sole	2022-08-09
2022-03-31	$94,535,766	267,875	+4.2%	Shares	Other	2022-05-06
2021-12-31	$76,895,325	257,175	-5.7%	Shares	Defined	2022-02-09
2021-09-30	$74,425,006	272,679	-1.6%	Shares	Sole	2021-11-09
2021-06-30	$76,981,337	276,991	+1.8%	Shares	Sole	2021-08-11
2021-03-31	$69,540,977	272,208	-3.6%	Shares	Sole	2021-05-03
2020-12-31	$65,495,623	282,467	+0.7%	Shares	Sole	2021-02-09
2020-09-30	$59,746,491	280,579	-3.9%	Shares	Sole	2020-11-04
2020-06-30	$52,138,307	292,075	+4.5%	Shares	Other	2020-08-07
2020-03-31	$51,092,390	279,453	—	Shares	Defined	2020-05-08
No filing history on record for this holder in this stock.