Diamond Hill Capital's MLM Position Overview
Diamond Hill Capital (via Diamond Hill Capital Management INC) currently holds 581,935 shares of Martin Marietta Materials, Inc. (MLM) worth $366.78 M, representing 1.74% of the portfolio. First purchased in 2022-Q2, this medium-term investment has been held for 14 quarters.
Based on 13F filings, Diamond Hill Capital has maintained a strategic position in MLM, demonstrating sustained confidence in this investment. Largest addition occurred in Q1 2025, adding 185,731 shares. Largest reduction occurred in Q2 2024, reducing 107,845 shares.
Analysis based on 13F filings available since 2013 Q2
Diamond Hill Capital's Martin Marietta Materials (MLM) Holding Value Over Time
Track share changes against reported price movement
Quarterly Martin Marietta Materials (MLM) Trades by Diamond Hill Capital
| Period | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q2 2022 | +562,351 | New Buy | 562,351 | $299.24 |
| Q3 2022 | -2,385 | Reduce 0.42% | 559,966 | $322.09 |
| Q4 2022 | -2,518 | Reduce 0.45% | 557,448 | $337.97 |
| Q1 2023 | -45,698 | Reduce 8.20% | 511,750 | $355.06 |
| Q2 2023 | -39,182 | Reduce 7.66% | 472,568 | $461.69 |
| Q3 2023 | -7,289 | Reduce 1.54% | 465,279 | $410.48 |
| Q4 2023 | -15,649 | Reduce 3.36% | 449,630 | $498.91 |
| Q1 2024 | -38,506 | Reduce 8.56% | 411,124 | $613.94 |
| Q2 2024 | -107,845 | Reduce 26.23% | 303,279 | $541.80 |
| Q3 2024 | +164,503 | Add 54.24% | 467,782 | $538.25 |
| Q4 2024 | +5,850 | Add 1.25% | 473,632 | $516.50 |
| Q1 2025 | +185,731 | Add 39.21% | 659,363 | $478.13 |
| Q2 2025 | -17,376 | Reduce 2.64% | 641,987 | $548.96 |
| Q3 2025 | -60,052 | Reduce 9.35% | 581,935 | $630.28 |
Diamond Hill Capital's Martin Marietta Materials Investment FAQs
Diamond Hill Capital first purchased Martin Marietta Materials, Inc. (MLM) in Q2 2022, acquiring 562,351 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Diamond Hill Capital has held Martin Marietta Materials, Inc. (MLM) for 14 quarters since Q2 2022. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Diamond Hill Capital's largest addition to Martin Marietta Materials, Inc. (MLM) was in Q2 2022, adding 562,351 shares worth $168.28 M. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
According to the latest 13F filing for Q3 2025, Diamond Hill Capital's firm, Diamond Hill Capital Management INC, owns 581,935 shares of Martin Marietta Materials, Inc. (MLM), valued at approximately $366.78 M. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
As of the Q3 2025 filing, Martin Marietta Materials, Inc. (MLM) represents approximately 1.74% of Diamond Hill Capital's publicly disclosed stock portfolio, making it one of their key holdings. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Diamond Hill Capital's peak holding in Martin Marietta Materials, Inc. (MLM) was 659,363 shares, as reported at the end of Q1 2025. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.