Cornerstone Planning Group’s Martin Marietta Materials MLM Stock Holding History
Bought
Maintained
Sold
Other funds holding MLM
Cornerstone Planning Group's MLM Position: Q2 2026 in Review
Cornerstone Planning Group reduced its Martin Marietta Materials (MLM) stake by 30% in Q2 2026, selling an estimated $11.3K and leaving 44 shares worth $24.3K. The position accounts for ﹤0.01% of the portfolio, ranked #604.
Cornerstone Planning Group first reported a position in MLM in Q4 2022 and has held it in 14 quarters since. The position peaked at $44.8K in Q3 2025. 1,076 funds tracked by Wall St. Rank hold MLM as of Q2 2026.
- Cornerstone Planning Group held 44 shares of Martin Marietta Materials worth $24.3K as of Q2 2026.
- Cornerstone Planning Group sold 19 Martin Marietta Materials shares in Q2 2026, an estimated $11.3K.
- Martin Marietta Materials made up ﹤0.01% of Cornerstone Planning Group's portfolio in Q2 2026, its #604 holding.
- Cornerstone Planning Group first reported a position in Martin Marietta Materials in Q4 2022 and has held it in 14 quarters since.
- Cornerstone Planning Group's Martin Marietta Materials position peaked at $44.8K in Q3 2025.
- 1,076 funds tracked by Wall St. Rank held Martin Marietta Materials as of Q2 2026.
Based on Cornerstone Planning Group's 13F filing for Q2 2026, filed 29 Jul 2026.