Cornerstone Planning Group LLC
- SEC CIK
- 0001822587
- Latest filing
- Jul 29, 2026
MLM holding history
Martin Marietta Materials Inc in every 13F filed by Cornerstone Planning Group LLC, 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)
- 44
- Value
- $24.3K
- % of portfolio
- <0.1%
- Quarters held
- 14
- Since Q4 2022
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 44 | $24.3K | <0.1% | −19−30.2% | Reduced | Holders |
| Q1 2026 | 63 | $37.6K | <0.1% | +12+23.5% | Added | Holders |
| Q4 2025 | 51 | $33.2K | <0.1% | −22−30.1% | Reduced | Holders |
| Q3 2025 | 73 | $44.8K | <0.1% | +45+160.7% | Added | Holders |
| Q2 2025 | 28 | $17.0K | <0.1% | −9−24.3% | Reduced | Holders |
| Q1 2025 | 37 | $18.4K | <0.1% | +8+27.6% | Added | Holders |
| Q4 2024 | 29 | $15.8K | <0.1% | −5−14.7% | Reduced | Holders |
| Q3 2024 | 34 | $19.9K | <0.1% | +1+3.0% | Added | Holders |
| Q2 2024 | 33 | $18.2K | <0.1% | −3−8.3% | Reduced | Holders |
| Q1 2024 | 36 | $21.3K | <0.1% | 00.0% | Unchanged | Holders |
| Q4 2023 | 36 | $18.0K | <0.1% | +4+12.5% | Added | Holders |
| Q3 2023 | 32 | $13.1K | <0.1% | +9+39.1% | Added | Holders |
| Q2 2023 | 23 | $10.6K | <0.1% | – | No prior filing | Holders |
| Q1 2023 | – | – | – | – | Not filed | Holders |
| Q4 2022 | 6 | $2.06K | <0.1% | – | No prior filing | Holders |