D1 Capital Partners

Superinvestor

D1 Capital Partners L.P.

SEC CIK: 0001747057
Manager: Dan Sundheim
Style: Growth, Hedge fund
Latest filing: Aug 14, 2026

SEC filings (opens in a new tab)

MLM holding history

Martin Marietta Materials Inc in every 13F filed by D1 Capital Partners, 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): 345,060
Value: $199.0M
% of portfolio: 0.6%
Quarters held: 2; Since Q1 2026

Holdings of MLM by D1 Capital Partners, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	345,060	$199.0M	0.6%	+22,203+6.9%	Added	Holders
Q1 2026	322,857	$190.1M	1.7%	+322,857	New	Holders