Martin Marietta Materials, Inc.
MX ˙ BMV ˙ US5732841060
SecurityMX:MLM / Martin Marietta Materials, Inc.
InstitutionChecchi Capital Advisers, LLC
Latest Disclosed Ownership1,343 shares
Latest Disclosed Value $ 790,605
Checchi Capital Advisers, LLC reports 6.50% increase in ownership of MLM / Martin Marietta Materials, Inc.

On May 4, 2026 - Checchi Capital Advisers, LLC filed a 13F-HR form disclosing ownership of 1,343 shares of Martin Marietta Materials, Inc. (MX:MLM) valued at $790,605 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 27, 2026 disclosing 1,261 shares of Martin Marietta Materials, Inc.. This represents a change in shares of 6.50% during the quarter.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-04 2026-03-31 13F MARTIN MARIETTA MATLS COM 573284106 1,343 82 6.50 791 0.64 0.0400
2026-01-27 2025-12-31 13F MARTIN MARIETTA MATLS COM 573284106 1,261 -5 -0.39 785 -1.51 0.0401
2025-11-05 2025-09-30 13F MARTIN MARIETTA MATLS COM 573284106 1,266 -67 -5.03 798 9.03 0.0415
2025-07-22 2025-06-30 13F MARTIN MARIETTA MATLS COM 573284106 1,333 -2 -0.15 732 14.58 0.0409
2025-04-29 2025-03-31 13F MARTIN MARIETTA MATLS COM 573284106 1,335 -1 -0.07 638 -7.54 0.0336
2025-02-05 2024-12-31 13F MARTIN MARIETTA MATLS COM 573284106 1,336 19 1.44 690 -2.54 0.0402
2024-11-04 2024-09-30 13F MARTIN MARIETTA MATLS COM 573284106 1,317 -22 -1.64 709 -2.34 0.0396
2024-07-26 2024-06-30 13F MARTIN MARIETTA MATLS COM 573284106 1,339 -6 -0.45 725 -12.12 0.0364
2024-04-25 2024-03-31 13F MARTIN MARIETTA MATLS COM 573284106 1,345 4 0.30 826 23.32 0.0645
2024-02-07 2023-12-31 13F MARTIN MARIETTA MATLS COM 573284106 1,341 56 4.36 669 26.94 0.0543
2023-11-13 2023-09-30 13F MARTIN MARIETTA MATLS COM 573284106 1,285 458 55.38 527 38.32 0.0489
2023-08-10 2023-06-30 13F MARTIN MARIETTA MATLS COM 573284106 827 -72 -8.01 382 19.44 0.0341
2023-05-08 2023-03-31 13F MARTIN MARIETTA MATLS COM 573284106 899 38 4.41 319 10.00 0.0308
2023-02-10 2022-12-31 13F MARTIN MARIETTA MATLS COM 573284106 861 -18 -2.05 291 2.47 0.0302
2022-11-09 2022-09-30 13F MARTIN MARIETTA MATLS COM 573284106 879 0 0.00 283 -8.41 0.0264
2022-08-11 2022-06-30 13F MARTIN MARIETTA MATLS COM 573284106 879 -55 -5.89 309 -13.93 0.0267
2022-05-09 2022-03-31 13F MARTIN MARIETTA MATLS COM 573284106 934 16 1.74 359 -11.14 0.0305
2022-02-09 2021-12-31 13F MARTIN MARIETTA MATLS COM 573284106 918 -7 -0.76 404 27.85 0.0355
2021-11-09 2021-09-30 13F MARTIN MARIETTA MATLS COM 573284106 925 15 1.65 316 -1.25 0.0313
2021-08-06 2021-06-30 13F MARTIN MARIETTA MATLS COM 573284106 910 -130 -12.50 320 -8.31 0.0315
2021-05-10 2021-03-31 13F MARTIN MARIETTA MATLS COM 573284106 1,040 64 6.56 349 25.99 0.0345
2021-02-12 2020-12-31 13F MARTIN MARIETTA MATLS COM 573284106 976 4 0.41 277 20.96 0.0286
2020-11-10 2020-09-30 13F MARTIN MARIETTA MATLS COM 573284106 972 972 229 0.0254
2016-11-10 2016-09-30 13F MARTIN MARIETTA MATLS INC COM Stock 573284106 0 -686 -100.00 0 -100.00
2016-07-21 2016-06-30 13F MARTIN MARIETTA MATLS INC COM Stock 573284106 686 38 5.86 132 28.16 0.0151
2016-05-02 2016-03-31 13F MARTIN MARIETTA MATLS INC COM Stock 573284106 648 648 103 0.0229
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.