Martin Marietta Materials, Inc.
MX ˙ BMV ˙ US5732841060
SecurityMX:MLM / Martin Marietta Materials, Inc.
InstitutionIFP Advisors, Inc
Latest Disclosed Ownership6,487 shares
Latest Disclosed Value $ 3,818,767
IFP Advisors, Inc reports 263.62% increase in ownership of MLM / Martin Marietta Materials, Inc.

On April 13, 2026 - IFP Advisors, Inc filed a 13F-HR form disclosing ownership of 6,487 shares of Martin Marietta Materials, Inc. (MX:MLM) valued at $3,818,767 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 6, 2026 disclosing 1,784 shares of Martin Marietta Materials, Inc.. This represents a change in shares of 263.62% 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)
2026-04-13 2026-03-31 13F MARTIN MARIETTA MATLS cs 573284106 6,487 4,703 263.62 3,819 243.96 0.0792
2026-02-06 2025-12-31 13F MARTIN MARIETTA MATLS cs 573284106 1,784 867 94.55 1,111 92.37 0.0249
2026-02-06 2025-09-30 13F/A-1 MARTIN MARIETTA MATLS cs 573284106 917 -172 -15.79 578 -4.47 0.0150
2025-12-02 2025-09-30 13F MARTIN MARIETTA MATLS cs 573284106 915 -174 580 0.0149
2025-07-24 2025-06-30 13F MARTIN MARIETT A MATLS cs 573284106 1,089 143 15.12 605 31.59 0.0172
2025-05-05 2025-03-31 13F MARTIN MARIETTA MATLS cs 573284106 946 -19 -1.97 460 -9.29 0.0142
2025-02-04 2024-12-31 13F MARTIN MARIETTA MATLS cs 573284106 965 27 2.88 507 0.20 0.0166
2025-02-04 2024-09-30 13F MARTIN MARIETTA MATLS cs 573284106 938 -34 -3.50 505 -3.99 0.0182
2024-07-30 2024-06-30 13F MARTIN MARIETTA MATLS cs 573284106 972 -398 -29.05 527 -37.46 0.0209
2024-07-30 2024-03-31 13F MARTIN MARIETTA MATLS cs 573284106 1,370 -370 -21.26 841 -3.11 0.0369
2024-01-09 2023-12-31 13F MARTIN MARIETTA MATLS cs 573284106 1,740 -938 -35.03 868 -21.02 0.0410
2023-10-12 2023-09-30 13F MARTIN MARIETTA MATLS cs 573284106 2,678 2,164 421.01 1,099 363.71 0.0494
2023-08-14 2023-06-30 13F/A-1 MARTIN MARIETTA MATLS cs 573284106 514 -483 -48.45 237 5.80 0.0099
2023-08-04 2023-06-30 13F MARTIN MARIETTA MATLS cs 573284106 514 -483 116 0.0054
2023-04-18 2023-03-31 13F MARTIN MARIETTA MATLS cs 573284106 997 1 0.10 224 0.0098
2023-02-07 2022-12-31 13F MARTIN MARIETTA MATLS cs 573284106 996 -88 -8.12 0 -100.00 0.0073
2022-11-08 2022-09-30 13F MARTIN MARIETTA MATLS cs 573284106 1,084 -1,983 -64.66 314 -56.33 0.0082
2022-09-06 2022-06-30 13F/A-1 MARTIN MARIETTA MATLS cs 573284106 3,067 0 0.00 719 0.00 0.0231
2022-09-06 2022-03-31 13F/A-1 MARTIN MARIETTA MATLS cs 573284106 3,067 2,580 529.77 719 234.42 0.0231
2022-08-08 2022-03-31 13F MARTIN MARIETTA MATLS INC COM Stock 573284106 3,065 2,578 719 0.0147
2022-01-12 2021-12-31 13F MARTIN MARIETTA MATLS INC COM Stock 573284106 487 30 6.56 215 37.82 0.0042
2021-10-06 2021-09-30 13F MARTIN MARIETTA MATLS INC COM Stock 573284106 457 -1,994 -81.35 156 -81.60 0.0031
2021-07-13 2021-06-30 13F MARTIN MARIETTA MATLS INC COM Stock 573284106 2,451 -890 -26.64 848 -24.15 0.0176
2021-04-30 2021-03-31 13F MARTIN MARIETTA MATLS INC COM Stock 573284106 3,341 2,791 507.45 1,118 616.67 0.0218
2021-01-25 2020-12-31 13F MARTIN MARIETTA MATLS INC COM Stock 573284106 550 100 22.22 156 47.17 0.0063
2020-10-29 2020-09-30 13F MARTIN MARIETTA MATLS INC COM Stock 573284106 450 -3,412 -88.35 106 -86.51 0.0063
2020-08-05 2020-06-30 13F MARTIN MARIETTA MATLS INC COM Stock 573284106 3,862 3,409 752.54 786 783.15 0.0623
2020-05-12 2020-03-31 13F MARTIN MARIETTA MATLS INC COM Stock 573284106 453 -175 -27.87 89 -49.14 0.0090
2020-01-17 2019-12-31 13F MARTIN MARIETTA MATLS INC COM Stock 573284106 628 159 33.90 175 37.80 0.0132
2019-11-07 2019-09-30 13F MARTIN MARIETTA MATLS INC COM Stock 573284106 469 -2,396 -83.63 127 -77.87 0.0085
2019-05-15 2019-03-31 13F MARTIN MARIETTAMATERIALS Stock 573284106 2,865 -700 -19.64 574 -4.33 0.0784
2019-06-03 2018-12-31 13F/A-10 MARTIN MARIETTA MATLS Stock 573284106 3,565 2,833 387.02 600 351.13 0.0366
2019-01-23 2018-12-31 13F MARTIN MARIETTA MATLS Stock 573284106 3,565 2,833 600 0.0366
2019-06-03 2018-09-30 13F/A-9 MARTIN MARIETTA MATLS Stock 573284106 732 -19 -2.53 133 -20.83 0.0054
2018-10-25 2018-09-30 13F MARTIN MARIETTA MATLS Stock 573284106 732 -19 133 0.0054
2019-06-03 2018-06-30 13F/A-8 MARTIN MARIETTA MATLS Stock 573284106 751 265 54.53 168 57.01 0.0071
2018-08-07 2018-06-30 13F MARTIN MARIETTA MATLS Stock 573284106 751 -78 168
2019-06-03 2018-03-31 13F/A-7 MARTIN MARIETTA MATLS INC COM Stock 573284106 486 0 0.00 107 0.00 0.0049
2018-05-09 2018-03-31 13F MARTIN MARIETTA MATLS Stock 573284106 829 343 172
2019-06-03 2017-12-31 13F/A-6 MARTIN MARIETTA MATLS INC COM Stock 573284106 486 -867 -64.08 107 -61.65 0.0049
2018-01-24 2017-12-31 13F MARTIN MARIETTA MATLS INC COM Stock 573284106 486 -867 107
2017-10-30 2017-09-30 13F MARTIN MARIETTA MATLS INC COM Stock 573284106 1,353 131 10.72 279 2.57 0.0111
2019-06-03 2017-06-30 13F/A-5 MARTIN MARIETTA MATLS INC COM Stock 573284106 1,222 -1 -0.08 272 1.87 0.0115
2017-07-31 2017-06-30 13F MARTIN MARIETTA MATLS INC COM Stock 573284106 1,222 -1 272
2019-06-03 2017-03-31 13F/A-4 MARTIN MARIETTA MATLS INC COM Stock 573284106 1,223 -5,074 -80.58 267 -80.86 0.0116
2017-04-26 2017-03-31 13F MARTIN MARIETTA MATLS INC COM Stock 573284106 1,223 -5,074 267
2019-06-03 2016-12-31 13F/A-3 MARTIN MARIETTA MATLS INC COM Stock 573284106 6,297 5,754 1,059.67 1,395 1,338.14 0.0673
2017-02-14 2016-12-31 13F MARTIN MARIETTA MATLS INC COM Stock 573284106 6,297 5,754 1,395
2016-11-04 2016-09-30 13F MARTIN MARIETTA MATLS INC COM Stock 573284106 543 -24 -4.23 97 -11.01 0.0050
2019-06-03 2016-06-30 13F/A-2 MARTIN MARIETTA MATLS INC COM Stock 573284106 567 -2,298 -80.21 109 -81.01 0.0061
2016-08-22 2016-06-30 13F MARTIN MARIETTA MATLS INC COM Stock 573284106 567 -2,298 109
2019-06-03 2016-03-31 13F/A-1 MARTIN MARIETTAMATERIALS Stock 573284106 2,865 2,391 504.43 574 783.08 0.0784
2016-05-02 2016-03-31 13F MARTIN MARIETTA MATLS INC COM Stock 573284106 586 112 93
2016-02-11 2015-12-31 13F MARTIN MARIETTA MATLS INC COM Stock 573284106 474 474 65 0.0044
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.