Mariner, LLC

SEC CIK: 0001373442
Latest filing: Aug 13, 2026

SEC filings (opens in a new tab)

BRK.B holding history

Berkshire Hathaway Inc in every 13F filed by Mariner, 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): 1,244,906
Value: $622.9M
% of portfolio: 0.7%
Quarters held: 22; Since Q1 2021

Holdings of BRK.B by Mariner, LLC, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	1,244,906	$622.9M	0.7%	−11,171−0.9%	Reduced	Holders
Q1 2026	1,256,077	$601.9M	0.7%	+39,927+3.3%	Added	Holders
Q4 2025	1,216,150	$611.3M	0.7%	+83,245+7.3%	Added	Holders
Q3 2025	1,132,905	$569.5M	0.7%	+39,229+3.6%	Added	Holders
Q2 2025	1,093,676	$531.3M	0.8%	+15,801+1.5%	Added	Holders
Q1 2025	1,077,875	$574.0M	1.0%	+25,771+2.4%	Added	Holders
Q4 2024	1,052,104	$476.9M	0.8%	+20,515+2.0%	Added	Holders
Q3 2024	1,031,589	$474.7M	0.8%	+32,405+3.2%	Added	Holders
Q2 2024	999,184	$406.5M	0.8%	+21,787+2.2%	Added	Holders
Q1 2024	977,397	$411.0M	0.8%	−1,862−0.2%	Reduced	Holders
Q4 2023	979,259	$349.3M	0.8%	+52,763+5.7%	Added	Holders
Q3 2023	926,496	$324.6M	0.9%	+11,636+1.3%	Added	Holders
Q2 2023	914,860	$311.9M	0.8%	+20,688+2.3%	Added	Holders
Q1 2023	894,172	$276.1M	0.8%	+18,122+2.1%	Added	Holders
Q4 2022	876,050	$270.6M	0.9%	+58,080+7.1%	Added	Holders
Q3 2022	817,970	$218.4M	0.9%	+20,683+2.6%	Added	Holders
Q2 2022	797,287	$217.7M	0.9%	+43,801+5.8%	Added	Holders
Q1 2022	753,486	$265.9M	1.0%	+409,072+118.8%	Added	Holders
Q4 2021	344,414	$103.0M	0.4%	+53,666+18.5%	Added	Holders
Q3 2021	290,748	$79.4M	0.4%	+11,056+4.0%	Added	Holders
Q2 2021	279,692	$77.7M	0.5%	−3,583−1.3%	Reduced	Holders
Q1 2021	283,275	$72.4M	0.5%	–	–	Holders

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