Gardner Russo & Quinn
SuperinvestorGardner Russo & Quinn LLC
- SEC CIK
- 0000860643
- Manager
- Tom Russo
- Style
- Quality, Value
- Latest filing
- Aug 13, 2026
MLM holding history
Martin Marietta Materials Inc in every 13F filed by Gardner Russo & Quinn, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
MLM overviewAll 13F holders of MLMFull Q2 2026 holdings
- Shares (Q2 2026)
- 705,367
- Value
- $406.8M
- % of portfolio
- 4.6%
- Quarters held
- 22
- Since Q1 2021
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 705,367 | $406.8M | 4.6% | −10,044−1.4% | Reduced | Holders |
| Q1 2026 | 715,411 | $421.1M | 5.0% | −11,201−1.5% | Reduced | Holders |
| Q4 2025 | 726,612 | $452.4M | 4.9% | +39,075+5.7% | Added | Holders |
| Q3 2025 | 687,537 | $433.3M | 4.6% | −25,242−3.5% | Reduced | Holders |
| Q2 2025 | 712,779 | $391.3M | 4.2% | −1,473−0.2% | Reduced | Holders |
| Q1 2025 | 714,252 | $341.5M | 3.8% | +7,242+1.0% | Added | Holders |
| Q4 2024 | 707,010 | $365.2M | 4.1% | −43,062−5.7% | Reduced | Holders |
| Q3 2024 | 750,072 | $403.7M | 4.1% | −13,987−1.8% | Reduced | Holders |
| Q2 2024 | 764,059 | $414.0M | 4.4% | −23,421−3.0% | Reduced | Holders |
| Q1 2024 | 787,480 | $483.5M | 5.0% | −153,088−16.3% | Reduced | Holders |
| Q4 2023 | 940,568 | $469.3M | 4.8% | −18,195−1.9% | Reduced | Holders |
| Q3 2023 | 958,763 | $393.6M | 4.3% | −14,757−1.5% | Reduced | Holders |
| Q2 2023 | 973,520 | $449.5M | 4.4% | −27,818−2.8% | Reduced | Holders |
| Q1 2023 | 1,001,338 | $355.5M | 3.7% | −9,065−0.9% | Reduced | Holders |
| Q4 2022 | 1,010,403 | $341.5M | 3.8% | −57,380−5.4% | Reduced | Holders |
| Q3 2022 | 1,067,783 | $343.9M | 4.2% | −12,044−1.1% | Reduced | Holders |
| Q2 2022 | 1,079,827 | $323.1M | 3.6% | −13,144−1.2% | Reduced | Holders |
| Q1 2022 | 1,092,971 | $420.7M | 4.0% | −75,707−6.5% | Reduced | Holders |
| Q4 2021 | 1,168,678 | $514.8M | 4.6% | −23,619−2.0% | Reduced | Holders |
| Q3 2021 | 1,192,297 | $407.4M | 3.8% | −43,478−3.5% | Reduced | Holders |
| Q2 2021 | 1,235,775 | $434.8M | 3.7% | −34,775−2.7% | Reduced | Holders |
| Q1 2021 | 1,270,550 | $426.7M | 3.9% | – | – | Holders |
Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.