D1 Capital Partners L.P. 13F: New $187M Stake in MLM

D1 Capital Partners Starts New Martin Marietta Stake

D1 Capital Partners built a brand-new position in Martin Marietta Materials, Inc. (NYSE:MLM), picking up 322,857 shares during the period. The SEC Form 13F filing shows the newly initiated stake was valued at roughly $186.5 million. Because this is a backward-looking filing, it covers holdings as of the reporting date and may not reflect the investment manager's exact position today.

Martin Marietta Stock Context

Martin Marietta shares recently traded at $577.68. The stock has moved between a 52-week low of $488.74 and a 52-week high of $710.97. Its price sits above its 50-day moving average of $535.47, though below its 200-day moving average of $595.69.

Recent Earnings

For its recent reported period, Martin Marietta posted $6.69 billion in revenue with a 21.0% revenue growth rate. The company reported earnings per share of $15.36, alongside a net margin of 36.7% and a return on equity of 8.9%. Its next earnings report is expected on November 3, 2026.

Dividend

Martin Marietta pays an annual dividend rate of $3.36 per share, which translates to a dividend yield of 0.68%. The payout ratio stands at 21.6% of earnings.

Analysts Set New Price Targets

Wall Street firms have kept a generally positive outlook on the building materials company. On October 16, 2026, Raymond James maintained its Outperform rating while adjusting its price target to $640.00 from $660.00. On October 13, 2026, JP Morgan kept an Overweight rating and set a target of $650.00. RBC Capital maintained a Sector Perform rating with a $530.00 target on October 9, 2026. UBS kept a Buy rating with a $662.00 target on October 8, 2026. Wells Fargo maintained an Overweight rating with a $579.00 target on October 5, 2026. Truist Securities kept a Buy rating with a $625.00 target on the same day. Citigroup maintained a Buy rating with a $610.00 target on October 2, 2026. Earlier in September, Wells Fargo maintained an Overweight rating with a $585.00 target. Across the broader analyst community, the stock carries a consensus buy rating and a mean price target of $657.13.

Inside the Building Materials Business

Martin Marietta Materials is a Raleigh, North Carolina-based company supplying aggregates and heavy-building materials like crushed stone, sand, gravel, and asphalt to construction projects across the United States. It also produces magnesia-based chemicals and dolomitic lime for steel production and soil stabilization. The company operates through two main groups to serve infrastructure, nonresidential, and residential construction markets.

What to Watch at Martin Marietta Materials, Inc.

Investors tracking D1 Capital Partners will want to watch future 13F filings to see if the fund adjusts its new position. The company's next earnings report arrives in November 2026, which will offer fresh details on revenue and profit trends.