Mariner, LLC

SEC CIK: 0001373442
Latest filing: Aug 13, 2026

SEC filings (opens in a new tab)

MDY holding history

SPDR S&P Midcap 400 ETF Trust 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.

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

Shares (Q2 2026): 104,807
Value: $73.7M
% of portfolio: 0.1%
Quarters held: 22; Since Q1 2021

Holdings of MDY by Mariner, LLC, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	104,807	$73.7M	0.1%	−1,945−1.8%	Reduced	Holders
Q1 2026	106,752	$65.7M	0.1%	+2,192+2.1%	Added	Holders
Q4 2025	104,560	$63.1M	0.1%	−594−0.6%	Reduced	Holders
Q3 2025	105,154	$62.7M	0.1%	−211−0.2%	Reduced	Holders
Q2 2025	105,365	$59.7M	0.1%	+3,821+3.8%	Added	Holders
Q1 2025	101,544	$54.2M	0.1%	+907+0.9%	Added	Holders
Q4 2024	100,637	$57.3M	0.1%	−762−0.8%	Reduced	Holders
Q3 2024	101,399	$57.8M	0.1%	−881−0.9%	Reduced	Holders
Q2 2024	102,280	$54.7M	0.1%	+1,154+1.1%	Added	Holders
Q1 2024	101,126	$56.3M	0.1%	+613+0.6%	Added	Holders
Q4 2023	100,513	$51.0M	0.1%	+4,233+4.4%	Added	Holders
Q3 2023	96,280	$44.0M	0.1%	+2,424+2.6%	Added	Holders
Q2 2023	93,856	$44.9M	0.1%	+979+1.1%	Added	Holders
Q1 2023	92,877	$42.6M	0.1%	+2,371+2.6%	Added	Holders
Q4 2022	90,506	$40.1M	0.1%	+3,661+4.2%	Added	Holders
Q3 2022	86,845	$34.9M	0.1%	+2,571+3.1%	Added	Holders
Q2 2022	84,274	$34.8M	0.1%	+837+1.0%	Added	Holders
Q1 2022	83,437	$40.9M	0.2%	+1,079+1.3%	Added	Holders
Q4 2021	82,358	$42.6M	0.2%	+1,624+2.0%	Added	Holders
Q3 2021	80,734	$38.8M	0.2%	+13,162+19.5%	Added	Holders
Q2 2021	67,572	$33.2M	0.2%	−2,569−3.7%	Reduced	Holders
Q1 2021	70,141	$33.4M	0.2%	–	–	Holders

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