First Manhattan Co

SEC CIK: 0000728083
Latest filing: Aug 14, 2026

SEC filings (opens in a new tab)

MLM holding history

Martin Marietta Materials Inc in every 13F filed by First Manhattan Co, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

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

Shares (Q2 2026): 35,200
Value: $20.3M
% of portfolio: 0.1%
Quarters held: 22; Since Q1 2021

Holdings of MLM by First Manhattan Co, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	35,200	$20.3M	0.1%	+138+0.4%	Added	Holders
Q1 2026	35,062	$20.6M	0.1%	−43−0.1%	Reduced	Holders
Q4 2025	35,105	$21.9M	0.1%	−619−1.7%	Reduced	Holders
Q3 2025	35,724	$22.5M	0.1%	−169−0.5%	Reduced	Holders
Q2 2025	35,893	$19.7M	0.1%	+298+0.8%	Added	Holders
Q1 2025	35,595	$17.0M	<0.1%	+978+2.8%	Added	Holders
Q4 2024	34,617	$17.9M	0.1%	+196+0.6%	Added	Holders
Q3 2024	34,421	$18.5M	0.1%	+474+1.4%	Added	Holders
Q2 2024	33,947	$18.4M	0.1%	+409+1.2%	Added	Holders
Q1 2024	33,538	$20.6M	0.1%	−60−0.2%	Reduced	Holders
Q4 2023	33,598	$16.8M	0.1%	−3,310−9.0%	Reduced	Holders
Q3 2023	36,908	$15.1M	0.1%	−298−0.8%	Reduced	Holders
Q2 2023	37,206	$17.2M	0.1%	00.0%	Unchanged	Holders
Q1 2023	37,206	$13.2M	0.1%	−7,269−16.3%	Reduced	Holders
Q4 2022	44,475	$15.0M	0.1%	−517−1.1%	Reduced	Holders
Q3 2022	44,992	$14.5M	0.1%	−90.0%	Reduced	Holders
Q2 2022	45,001	$13.5M	0.1%	−103−0.2%	Reduced	Holders
Q1 2022	45,104	$17.4M	0.1%	−135−0.3%	Reduced	Holders
Q4 2021	45,239	$19.9M	0.1%	−480−1.0%	Reduced	Holders
Q3 2021	45,719	$15.6M	0.1%	−1,482−3.1%	Reduced	Holders
Q2 2021	47,201	$16.6M	0.1%	00.0%	Unchanged	Holders
Q1 2021	47,201	$15.9M	0.1%	–	–	Holders

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