Buffett Warren E

Omaha, NE · CIK 315090 · 13F filing filed 2026-08-14

For Q2 2026 this manager filed a 13F notice: its holdings were reported by another manager.

Stakes above 5%

Companies where this manager has reported owning more than 5% of a class of shares, on Schedule 13D (may seek influence) or 13G (passive): its latest filing for each, from 19 Dec 2024 on.

Company	Ticker	Stake	Change	Schedule	Last filed
BERKSHIRE HATHAWAY INC DEL BRK.A · 13D · filed 2026-07-15	BRK.A	38.2%≈ $141.0bn	+0.5 pts	13D	2026-07-15
SIRIUSXM HOLDINGS INC SIRI · 13G · filed 2025-02-14	SIRI	34.6%≈ $3.5bn		13G	2025-02-14

Trades reported as a company insider since 1 Apr 2026

Owning 10% or more of a company, or having someone on its board, makes this manager an insider there: it reports its trades in that company's shares on Form 4 within two business days. Open-market and private purchases and sales only.

Date	Company	Ticker	Trade	Shares	Value	Their holding
2026-09-30	LENNAR CORP 10% owner · See footnote	LEN	Bought	642,821	$52.4m642.8k shares	new
2026-09-29	LENNAR CORP 10% owner · See footnote	LEN	Bought	12,389	$1.0m12.4k shares	+2%
2026-09-28	LENNAR CORP 10% owner · See footnote	LEN	Bought	5,200	$426.2k5.2k shares	+<1%
2026-09-25	LENNAR CORP 10% owner · See footnote	LEN	Bought	492,124	$39.9m492.1k shares	+867%
2026-09-24	LENNAR CORP 10% owner · See footnote	LEN	Bought	653,320	$52.8m653.3k shares	new
2026-09-23	LENNAR CORP 10% owner · See footnote	LEN	Bought	534,256	$43.6m534.3k shares	new
2026-09-21	LENNAR CORP 10% owner · See footnote	LEN	Bought	667,118	$51.9m667.1k shares	new
2026-09-18	LENNAR CORP 10% owner · See footnote	LEN	Bought	1,381,397	$105.6m1.4m shares	new
2026-09-17	LENNAR CORP 10% owner · See footnote	LEN	Bought	695,014	$54.9m695.0k shares	new
2026-07-31	DAVITA INC 10% owner · See footnotes	DVA	Sold	182,980	$36.5m183.0k shares	-1%
2026-05-01	DAVITA INC 10% owner · See footnotes	DVA	Sold	1,220,376	$182.9m1.2m shares	-4%