Kemnay Advisory Services Inc.

Position in BRK-B — Berkshire Hathaway Inc

CIK 1555283 New York, NY

Position in BRK-B

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$27,866,719

+$10,200,053 QoQ

Shares Held

55,690

+51.1% QoQ

Ownership

0.004%

of shares outstanding

% of Portfolio

4.07%

of 13F equity value

Holder Rank

#779

of 4,965 holders

Holding Since

Mar 2020

23 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Financial Services · as of Jun 30, 2026

Kemnay Advisory Services Inc. holds $27,968,779 across 5 Insurance - Diversified names. BRK-B ranks #1 (99.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	BRK-B	Berkshire Hathaway Inc This page	55,690	$27,866,719
2	AIG	American International Group, Inc.	602	$44,867
3	PLGO	Pelagos Insurance Capital Ltd	1,157	$28,172
4	HIG	Hartford Insurance Group, Inc.	115	$15,239
5	ACGL	Arch Capital Group Ltd.	142	$13,782

23 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$27,866,719	55,690	+51.1%	Shares	Sole	2026-08-14
2026-03-31	$17,666,666	36,867	+2.3%	Shares	Sole	2026-05-15
2025-12-31	$18,114,500	36,038	+1.1%	Shares	Sole	2026-02-17
2025-09-30	$17,920,670	35,646	+20.7%	Shares	Sole	2025-11-13
2025-06-30	$14,340,416	29,521	-7.9%	Shares	Sole	2025-08-14
2025-03-31	$17,073,982	32,059	+33.6%	Shares	Sole	2025-05-15
2024-12-31	$10,877,360	23,997	-17.9%	Shares	Sole	2025-02-14
2024-09-30	$13,457,081	29,238	-2.9%	Shares	Sole	2024-11-14
2024-06-30	$12,243,052	30,096	+4.2%	Shares	Sole	2024-08-14
2023-12-31	$10,301,767	28,884	+5.9%	Shares	Sole	2024-02-14
2023-09-30	$9,557,585	27,284	-43.1%	Shares	Sole	2023-11-14
2022-12-31	$14,808,666	47,940	-14.7%	Shares	Sole	2023-02-14
2022-09-30	$15,003,586	56,189	-0.6%	Shares	Sole	2022-11-14
2022-06-30	$15,438,188	56,546	-18.8%	Shares	Sole	2022-08-15
2022-03-31	$24,566,770	69,612	-30.9%	Shares	Sole	2022-05-16
2021-12-31	$30,117,373	100,727	-10.0%	Shares	Sole	2022-02-14
2021-09-30	$30,546,080	111,915	+12.2%	Shares	Sole	2021-11-15
2021-06-30	$27,719,184	99,738	-13.6%	Shares	Sole	2021-08-16
2021-03-31	$29,478,172	115,388	+10.3%	Shares	Sole	2021-05-17
2020-12-31	$24,249,660	104,583	-11.7%	Shares	Sole	2021-02-16
2020-09-30	$25,222,743	118,450	-14.5%	Shares	Sole	2020-11-16
2020-06-30	$24,722,385	138,493	+23.0%	Shares	Sole	2020-08-14
2020-03-31	$20,592,142	112,630	—	Shares	Sole	2020-05-15
No filing history on record for this holder in this stock.