XTX Topco Ltd

Position in BRK-B — Berkshire Hathaway Inc

CIK 1828301 LONDON, X0

Position in BRK-B

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$4,257,212

+$3,901,775 QoQ

Shares Held

8,884

+1156.6% QoQ

Ownership

0.001%

of shares outstanding

% of Portfolio

0.08%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2021

9 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Financial Services · as of Mar 31, 2026

XTX Topco Ltd holds $30,192,042 across 9 Insurance - Diversified names. BRK-B ranks #2 (14.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	AIG	American International Group, Inc.	190,344	$14,323,386
2	BRK-B	Berkshire Hathaway Inc This page	8,884	$4,257,212
3	ACGL	Arch Capital Group Ltd.	43,590	$4,184,204
4	HIG	Hartford Insurance Group, Inc.	27,319	$3,694,348
5	PLGO	Pelagos Insurance Capital Ltd	115,179	$2,201,070
6	AEG	Aegon Ltd.	68,116	$494,522
7	XZO	Exzeo Group, Inc.	31,250	$458,437
8	IGIC	International General Insurance Holdings Ltd.	14,390	$348,597

9 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$4,257,212	8,884	+1156.6%	Shares	Defined	2026-05-15
2025-09-30	$355,437	707	-97.8%	Shares	Defined	2025-11-14
2025-06-30	$15,463,030	31,832	+472.2%	Shares	Defined	2025-08-12
2024-06-30	$2,263,028	5,563	+556.0%	Shares	Defined	2024-08-12
2023-12-31	$302,447	848	-25.8%	Shares	Defined	2024-02-13
2023-06-30	$389,763	1,143	+47.5%	Shares	Defined	2023-08-14
2022-12-31	$239,397	775	-78.0%	Shares	Defined	2023-02-14
2021-12-31	$1,054,274	3,526	+198.6%	Shares	Defined	2022-02-11
2021-06-30	$328,223	1,181	—	Shares	Defined	2021-08-12
No filing history on record for this holder in this stock.