MARTIN MARIETTA MATERIALS INC
MLM- Exchange
- NYSE
- Industry
- Mining & Quarrying of Nonmetallic Minerals (No Fuels)
- SEC CIK
- 0000916076
Insider trades, last 90 days
None
- No open-market purchases or sales were filed in the last 90 days.
13F holders, Q2 2026
1,079
- +2 vs. Q1 2026
- Total value $34.17B
Superinvestors holding MLM
4
- At the end of Q2 2026
Price chart
Latest insider trades
View all: Latest insider tradesOpen-market purchases and sales by MLM insiders, newest first.
| Filed (ET) | Trade date | Insider | Transaction | Shares | Avg price | Value | Shares after | Holding change | Filing |
|---|---|---|---|---|---|---|---|---|---|
| Aug 11, 2025 | Aug 8, 2025 | PEREZ LAREE EDirector | SSaleCommon Stock | −1.04K | $613.32 | −$636.63K | 15.42K | −6.3% | SEC |
| Mar 6, 2025 | Mar 5, 2025 | McCunniff Donald A.EVP and CHRO | SSaleCommon Stock | −1.33K | $475.00 | −$632.7K | 3.52K | −27.4% | SEC |
| Mar 5, 2025 | Mar 4, 2025 | Petro Michael JSVP - Strategy and Development | PPurchaseCommon Stock | +550 | $454.37 | +$249.9K | 8.98K | +6.5% | SEC |
| Mar 15, 2024 | Mar 14, 2024 | BAR ROSELYN REVP, General Counsel and Secy | SSaleCommon Stock | −10K | $603.29 | −$6.03M | 59.97K | −14.3% | SEC |
| Mar 6, 2024 | Mar 5, 2024 | Nye C HowardChairman, Pres & CEO | SSaleCommon Stock | −15K | $604.26 | −$9.06M | 134.64K | −10.0% | SEC |
Top 5 13F holders, Q2 2026
View all: Top 5 13F holders, Q2 2026The largest institutional positions in MLM at the end of Q2 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 4,692,446 | $2.71B | 0.04% | +6,689+0.1% | Added |
| VANGUARD CAPITAL MANAGEMENT LLC | 3,929,705 | $2.27B | 0.05% | +12,322+0.3% | Added |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 3,197,395 | $1.84B | 0.08% | +36,951+1.2% | Added |
| STATE STREET CORP | 3,159,639 | $1.82B | 0.05% | +282,071+9.8% | Added |
| BANK OF AMERICA CORP /DE/ | 2,446,762 | $1.41B | 0.09% | +46,983+2.0% | Added |