Castleark Management LLC

SEC CIK: 0001106832
Latest filing: Aug 14, 2026

SEC filings (opens in a new tab)

MLM holding history

Martin Marietta Materials Inc in every 13F filed by Castleark Management 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): 480
Value: $276.8K
% of portfolio: <0.1%
Quarters held: 3; Since Q4 2025

Holdings of MLM by Castleark Management LLC, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	480	$276.8K	<0.1%	−1,280−72.7%	Reduced	Holders
Q1 2026	1,760	$1.04M	<0.1%	00.0%	Unchanged	Holders
Q4 2025	1,760	$1.10M	<0.1%	+1,760	New	Holders