Martin Marietta Materials, Inc.
MX ˙ BMV ˙ US5732841060
SecurityMX:MLM / Martin Marietta Materials, Inc.
InstitutionCetera Investment Advisers
Latest Disclosed Ownership15,078 shares
Latest Disclosed Value $ 8,876,177
Cetera Investment Advisers reports 2.84% increase in ownership of MLM / Martin Marietta Materials, Inc.

On May 13, 2026 - Cetera Investment Advisers filed a 13F-HR form disclosing ownership of 15,078 shares of Martin Marietta Materials, Inc. (MX:MLM) valued at $8,876,177 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 14,662 shares of Martin Marietta Materials, Inc.. This represents a change in shares of 2.84% 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)
2026-05-13 2026-03-31 13F MARTIN MARIETTA MATLS COM 573284106 15,078 416 2.84 8,876 -2.77 0.0094
2026-02-17 2025-12-31 13F MARTIN MARIETTA MATLS COM 573284106 14,662 556 3.94 9,130 2.69 0.0100
2025-11-14 2025-09-30 13F MARTIN MARIETTA MATLS COM 573284106 14,106 2,077 17.27 8,891 34.64 0.0103
2025-08-08 2025-06-30 13F MARTIN MARIETTA MATLS COM 573284106 12,029 175 1.48 6,603 16.52 0.0111
2025-05-06 2025-03-31 13F MARTIN MARIETTA MATLS COM 573284106 11,854 2,572 27.71 5,668 18.21 0.0110
2025-02-14 2024-12-31 13F MARTIN MARIETTA MATLS COM 573284106 9,282 847 10.04 4,794 5.62 0.0100
2024-11-13 2024-09-30 13F MARTIN MARIETTA MATLS COM 573284106 8,435 -410 -4.64 4,540 -5.28 0.0099
2024-08-22 2024-06-30 13F MARTIN MARIETTA MATLS COM 573284106 8,845 -1,587 -15.21 4,792 -25.17 0.0110
2024-05-24 2024-03-31 13F/A-1 MARTIN MARIETTA MATLS COM 573284106 10,432 8,536 450.21 6,405 577.67 0.0151
2024-05-15 2024-03-31 13F MARTIN MARIETTA MATLS COM 573284106 3,430 1,534 2,106 0.0227
2024-02-13 2023-12-31 13F MARTIN MARIETTA MATLS COM 573284106 1,896 -883 -31.77 946 -17.11 0.0077
2023-11-14 2023-09-30 13F MARTIN MARIETTA MATLS COM 573284106 2,779 -619 -18.22 1,141 -27.34 0.0098
2023-08-10 2023-06-30 13F MARTIN MARIETTA MATLS COM 573284106 3,398 1,676 97.33 1,569 156.79 0.0132
2023-05-15 2023-03-31 13F MARTIN MARIETTA MATLS COM 573284106 1,722 83 5.06 611 10.49 0.0053
2023-02-14 2022-12-31 13F MARTIN MARIETTA MATLS COM 573284106 1,639 801 95.58 554 104.81 0.0051
2022-11-14 2022-09-30 13F MARTIN MARIETTA MATLS COM 573284106 838 -68 -7.51 270 -0.37 0.0054
2022-08-11 2022-06-30 13F MARTIN MARIETTA MATLS COM 573284106 906 -44 -4.63 271 -25.96 0.0043
2022-05-13 2022-03-31 13F MARTIN MARIETTA MATLS COM 573284106 950 108 12.83 366 -1.35 0.0053
2022-02-14 2021-12-31 13F MARTIN MARIETTA MATLS COM 573284106 842 80 10.50 371 42.69 0.0053
2021-11-16 2021-09-30 13F MARTIN MARIETTA MATLS COM 573284106 762 -49 -6.04 260 -8.77 0.0041
2021-08-13 2021-06-30 13F MARTIN MARIETTA MATLS COM 573284106 811 -4,087 -83.44 285 -82.67 0.0046
2021-05-17 2021-03-31 13F MARTIN MARIETTA MATLS COM 573284106 4,898 4,898 1,645 0.0324
2017-11-16 2017-09-30 13F MARTIN MARIETTA MATLS COM 573284106 0 -1,201 -100.00 0 -100.00
2017-08-11 2017-06-30 13F MARTIN MARIETTA MATLS COM 573284106 1,201 1,201 266 0.0167
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.