Mariner, LLC

SEC CIK: 0001373442
Latest filing: Aug 13, 2026

SEC filings (opens in a new tab)

MPC holding history

Marathon Petroleum Corp 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.

MPC overview All 13F holders of MPC Full Q2 2026 holdings

Shares (Q2 2026): 559,173
Value: $143.6M
% of portfolio: 0.2%
Quarters held: 22; Since Q1 2021

Holdings of MPC by Mariner, LLC, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	559,173	$143.6M	0.2%	+5,622+1.0%	Added	Holders
Q1 2026	553,551	$135.2M	0.2%	+1,477+0.3%	Added	Holders
Q4 2025	552,074	$89.8M	0.1%	+3,677+0.7%	Added	Holders
Q3 2025	548,397	$106.5M	0.1%	−28,540−4.9%	Reduced	Holders
Q2 2025	576,937	$96.1M	0.1%	−16,288−2.7%	Reduced	Holders
Q1 2025	593,225	$85.8M	0.1%	−27,488−4.4%	Reduced	Holders
Q4 2024	620,713	$85.7M	0.1%	−90,692−12.7%	Reduced	Holders
Q3 2024	711,405	$116.1M	0.2%	−3,069−0.4%	Reduced	Holders
Q2 2024	714,474	$123.9M	0.2%	+143,674+25.2%	Added	Holders
Q1 2024	570,800	$115.0M	0.2%	+229,753+67.4%	Added	Holders
Q4 2023	341,047	$50.6M	0.1%	+29,408+9.4%	Added	Holders
Q3 2023	311,639	$47.2M	0.1%	−25,455−7.6%	Reduced	Holders
Q2 2023	337,094	$39.3M	0.1%	−60,233−15.2%	Reduced	Holders
Q1 2023	397,327	$53.6M	0.2%	−3,742−0.9%	Reduced	Holders
Q4 2022	401,069	$46.7M	0.2%	−140,939−26.0%	Reduced	Holders
Q3 2022	542,008	$53.8M	0.2%	+241,554+80.4%	Added	Holders
Q2 2022	300,454	$24.7M	0.1%	+1,918+0.6%	Added	Holders
Q1 2022	298,536	$25.5M	0.1%	+17,632+6.3%	Added	Holders
Q4 2021	280,904	$18.0M	0.1%	−4,680−1.6%	Reduced	Holders
Q3 2021	285,584	$17.7M	0.1%	+19,367+7.3%	Added	Holders
Q2 2021	266,217	$16.1M	0.1%	+18,600+7.5%	Added	Holders
Q1 2021	247,617	$13.2M	0.1%	–	–	Holders

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