Douglass Winthrop Advisors, LLC

SEC CIK: 0001308527
Latest filing: Aug 13, 2026

SEC filings (opens in a new tab)

MLM holding history

Martin Marietta Materials Inc in every 13F filed by Douglass Winthrop Advisors, LLC, 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): 217,073
Value: $125.2M
% of portfolio: 2.2%
Quarters held: 22; Since Q1 2021

Holdings of MLM by Douglass Winthrop Advisors, LLC, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	217,073	$125.2M	2.2%	−2,000−0.9%	Reduced	Holders
Q1 2026	219,073	$129.0M	2.4%	−4,559−2.0%	Reduced	Holders
Q4 2025	223,632	$139.2M	2.4%	−8,602−3.7%	Reduced	Holders
Q3 2025	232,234	$146.4M	2.5%	+1,939+0.8%	Added	Holders
Q2 2025	230,295	$126.4M	2.3%	+7,850+3.5%	Added	Holders
Q1 2025	222,445	$106.4M	2.0%	+24,683+12.5%	Added	Holders
Q4 2024	197,762	$102.1M	2.0%	+4,174+2.2%	Added	Holders
Q3 2024	193,588	$104.2M	2.0%	+4,080+2.2%	Added	Holders
Q2 2024	189,508	$102.7M	2.1%	+1,627+0.9%	Added	Holders
Q1 2024	187,881	$115.3M	2.4%	+554+0.3%	Added	Holders
Q4 2023	187,327	$93.5M	2.1%	−174−0.1%	Reduced	Holders
Q3 2023	187,501	$77.0M	1.9%	+1,466+0.8%	Added	Holders
Q2 2023	186,035	$85.9M	2.1%	+2,338+1.3%	Added	Holders
Q1 2023	183,697	$65.2M	1.7%	+32,484+21.5%	Added	Holders
Q4 2022	151,213	$51.1M	1.4%	+140,851+1,359.3%	Added	Holders
Q3 2022	10,362	$3.34M	0.1%	−66−0.6%	Reduced	Holders
Q2 2022	10,428	$3.12M	0.1%	−260−2.4%	Reduced	Holders
Q1 2022	10,688	$4.11M	0.1%	−1,948−15.4%	Reduced	Holders
Q4 2021	12,636	$5.57M	0.1%	−759−5.7%	Reduced	Holders
Q3 2021	13,395	$4.58M	0.1%	−2,186−14.0%	Reduced	Holders
Q2 2021	15,581	$5.48M	0.1%	−6,860−30.6%	Reduced	Holders
Q1 2021	22,441	$7.54M	0.2%	–	–	Holders

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