Historical shareholding details of Quantum Capital Management, LLC holdings in Berkshire Hathaway Inc. - Ordinary Shares - Class B (BRK.B)

Monthly changes of Quantum Capital Management, LLC shareholding in Berkshire Hathaway Inc. - Ordinary Shares - Class B over the previous months

Month	Name	Total no. shares held	Percent Holding
Month	Name	Total no. shares held	Percent Holding
Jun 30, 2025	Quantum Capital Management, Llc	13,560	0.00%

Mar 31, 2025	Quantum Capital Management, Llc	13,633	0.00%

Dec 31, 2024	Quantum Capital Management, Llc	13,757	0.00%

Sep 30, 2024	Quantum Capital Management, Llc	13,661	0.00%

Jun 30, 2024	Quantum Capital Management, Llc	13,734	0.00%

Mar 31, 2024	Quantum Capital Management, Llc	13,969	0.00%

Dec 31, 2023	Quantum Capital Management, Llc	14,050	0.00%

Sep 30, 2023	Quantum Capital Management, Llc	14,272	0.99%

Jun 30, 2023	Quantum Capital Management, Llc	13,844	0.00%

Mar 31, 2023	Quantum Capital Management, Llc	14,501	0.00%