Harbor Investment Advisory’s Martin Marietta Materials MLM Stock Holding History
Bought
Maintained
Sold
Other funds holding MLM
DC
Harbor Investment Advisory's MLM Position: Q2 2026 in Review
Harbor Investment Advisory held its Martin Marietta Materials (MLM) position steady in Q2 2026 at 128 shares worth $73.8K. The position accounts for 0.01% of the portfolio, ranked #646.
Harbor Investment Advisory first reported a position in MLM in Q4 2019 and has held it in 27 quarters since. The position peaked at $90.9K in Q4 2025. 571 funds tracked by Wall St. Rank hold MLM as of Q2 2026.
- Harbor Investment Advisory held 128 shares of Martin Marietta Materials worth $73.8K as of Q2 2026.
- Harbor Investment Advisory left its Martin Marietta Materials share count unchanged in Q2 2026.
- Martin Marietta Materials made up 0.01% of Harbor Investment Advisory's portfolio in Q2 2026, its #646 holding.
- Harbor Investment Advisory first reported a position in Martin Marietta Materials in Q4 2019 and has held it in 27 quarters since.
- Harbor Investment Advisory's Martin Marietta Materials position peaked at $90.9K in Q4 2025.
- 571 funds tracked by Wall St. Rank held Martin Marietta Materials as of Q2 2026.
Based on Harbor Investment Advisory's 13F filing for Q2 2026, filed 7 Jul 2026.