NYSE: MLMMartin Marietta Materials Inc Stock Ownership - Who owns Martin Marietta Materials?
Insider buying vs selling
Have Martin Marietta Materials Inc insiders been buying or selling?
Buy
Sell
| Name | Role | Date | Shares | Price | Value |
|---|---|---|---|---|---|
| Robert J. Cardin | SVP Controller CAO | 2025-12-16 | 32 | $629.49 | $20.14kSell |
| Roselyn R. Bar | Executive Vice President | 2025-12-16 | 66 | $629.49 | $41.55kSell |
| Donald A. McCunniff | EVP and CHRO | 2025-12-16 | 50 | $629.49 | $31.47kSell |
| C. Howard Nye | Chairman Pres CEO | 2025-12-16 | 298 | $629.49 | $187.59kSell |
| Jason Paul Flynn | SVP and CIO | 2025-12-01 | 123 | $615.25 | $75.68kSell |
| Roselyn R. Bar | Executive Vice President | 2025-12-01 | 420 | $615.25 | $258.41kSell |
| Thomas Pike | Director | 2025-11-28 | 51 | $623.24 | $31.79kBuy |
| John J. Koraleski | Director | 2025-11-28 | 75 | $623.24 | $46.74kBuy |
| David C. Wajsgras | Director | 2025-11-28 | 61 | $623.24 | $38.02kBuy |
| John J. Koraleski | Director | 2025-08-29 | 76 | $616.40 | $46.85kBuy |
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Net Insider Buy/Sell (L12M) Ownership
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MLM Shareholders
What type of owners hold Martin Marietta Materials Inc stock?
Institutional
Insider
Retail
| Name | Hold | Shares | Value | Type |
|---|---|---|---|---|
| Vanguard Group Inc | 12.34% | 7,442,945 | $4.86B | Institution |
| Southeastern Asset Management Inc | 10.29% | 6,205,303 | $4.05B | Insider |
| Spo Advisory Corp | 7.81% | 4,709,835 | $3.08B | Insider |
| Blackrock Inc | 6.88% | 4,152,008 | $2.71B | Institution |
| Holding Nns | 6.13% | 3,696,132 | $2.41B | Insider |
| Jpmorgan Chase Co | 4.87% | 2,934,783 | $1.92B | Institution |
| Fmr LLC | 4.77% | 2,879,547 | $1.88B | Institution |
| State Street Corp | 4.64% | 2,797,277 | $1.83B | Institution |
| Bank Of America Corp | 3.92% | 2,365,832 | $1.55B | Institution |
| Principal Financial Group Inc | 3.66% | 2,204,425 | $1.44B | Institution |
MLM vs Building Material Stocks
Martin Marietta Materials Stock Ownership FAQ
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Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.