Citadel Advisors LLC

SEC CIK: 0001423053
Latest filing: Sep 1, 2026

SEC filings (opens in a new tab)

BRK.B holding history

Berkshire Hathaway Inc in every 13F filed by Citadel Advisors LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

BRK.B overview All 13F holders of BRK.B Full Q2 2026 holdings

Shares (Q2 2026): 1,085,742
Value: $543.3M
% of portfolio: 0.3%
Quarters held: 22; Since Q1 2021

Holdings of BRK.B by Citadel Advisors LLC, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	1,085,742	$543.3M	0.3%	−107,758−9.0%	Reduced	Holders
Q1 2026	1,193,500	$571.9M	0.4%	+146,987+14.0%	Added	Holders
Q4 2025	1,046,513	$526.0M	0.4%	+599,567+134.1%	Added	Holders
Q3 2025	446,946	$224.7M	0.2%	+173,392+63.4%	Added	Holders
Q2 2025	273,554	$132.9M	0.1%	+252,318+1,188.2%	Added	Holders
Q1 2025	21,236	$11.3M	<0.1%	−162,110−88.4%	Reduced	Holders
Q4 2024	183,346	$83.1M	0.1%	+44,665+32.2%	Added	Holders
Q3 2024	138,681	$63.8M	0.1%	−245,517−63.9%	Reduced	Holders
Q2 2024	384,198	$156.3M	0.2%	+43,497+12.8%	Added	Holders
Q1 2024	340,701	$143.3M	0.1%	−27,428−7.5%	Reduced	Holders
Q4 2023	368,129	$131.3M	0.1%	+42,780+13.1%	Added	Holders
Q3 2023	325,349	$114.0M	0.1%	+119,985+58.4%	Added	Holders
Q2 2023	205,364	$70.0M	0.1%	+200,245+3,911.8%	Added	Holders
Q1 2023	5,119	$1.58M	<0.1%	−802,099−99.4%	Reduced	Holders
Q4 2022	807,218	$249.3M	0.3%	+605,897+301.0%	Added	Holders
Q3 2022	201,321	$53.8M	0.1%	+2,135+1.1%	Added	Holders
Q2 2022	199,186	$54.4M	0.1%	+14,253+7.7%	Added	Holders
Q1 2022	184,933	$65.3M	0.1%	−293,065−61.3%	Reduced	Holders
Q4 2021	477,998	$142.9M	0.2%	+151,183+46.3%	Added	Holders
Q3 2021	326,815	$89.2M	0.1%	−876,732−72.8%	Reduced	Holders
Q2 2021	1,203,547	$334.5M	0.3%	+1,039,210+632.4%	Added	Holders
Q1 2021	164,337	$42.0M	<0.1%	–	–	Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.