Martin Marietta Materials, Inc.
MX ˙ BMV ˙ US5732841060
SecurityMX:MLM / Martin Marietta Materials, Inc.
InstitutionGlenmede Trust Co Na
Latest Disclosed Ownership89,030 shares
Latest Disclosed Value $ 55,435,418
Glenmede Trust Co Na reports 3.38% decrease in ownership of MLM / Martin Marietta Materials, Inc.

On February 17, 2026 - Glenmede Trust Co Na filed a 13F-HR form disclosing ownership of 89,030 shares of Martin Marietta Materials, Inc. (MX:MLM) valued at $55,435,418 USD as of December 31, 2025. The entity filed a previous 13F-HR on May 15, 2025 disclosing 92,144 shares of Martin Marietta Materials, Inc.. This represents a change in shares of -3.38% 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)
2026-02-17 2025-12-31 13F MARTIN MARIETTA MATLS COM 573284106 89,030 -3,114 -3.38 55,435 25.83 0.1196
2025-05-15 2025-03-31 13F MARTIN MARIETTA MATLS COM 573284106 92,144 2,097 2.33 44,057 -5.27 0.2366
2025-02-14 2024-12-31 13F MARTIN MARIETTA MATLS COM 573284106 90,047 -4,900 -5.16 46,509 -8.99 0.2374
2024-11-13 2024-09-30 13F MARTIN MARIETTA MATLS COM 573284106 94,947 -3 -0.00 51,105 -0.66 0.2444
2024-08-14 2024-06-30 13F MARTIN MARIETTA MATLS COM 573284106 94,950 -1,848 -1.91 51,444 -13.44 0.2608
2024-05-15 2024-03-31 13F MARTIN MARIETTA MATLS COM 573284106 96,798 -578 -0.59 59,428 22.33 0.2979
2024-02-13 2023-12-31 13F MARTIN MARIETTA MATLS COM 573284106 97,376 9,479 10.78 48,582 34.65 0.2521
2023-11-14 2023-09-30 13F MARTIN MARIETTA MATLS COM 573284106 87,897 5,482 6.65 36,080 23.30 0.2063
2023-08-14 2023-06-30 13F MARTIN MARIETTA MATLS COM 573284106 82,415 0 0.00 29,262 0.00 0.1661
2023-05-15 2023-03-31 13F MARTIN MARIETTA MATLS COM 573284106 82,415 9,407 12.88 29,262 18.59 0.1661
2023-02-14 2022-12-31 13F MARTIN MARIETTA MATLS COM 573284106 73,008 3,272 4.69 24,675 9.86 0.1447
2022-11-16 2022-09-30 13F MARTIN MARIETTA MATLS COM 573284106 69,736 4,231 6.46 22,460 14.59 0.1416
2022-08-15 2022-06-30 13F MARTIN MARIETTA MATLS COM 573284106 65,505 13,588 26.17 19,601 -1.90 0.1149
2022-05-16 2022-03-31 13F MARTIN MARIETTA MATLS COM 573284106 51,917 37,560 261.61 19,981 216.01 0.0981
2022-02-15 2021-12-31 13F MARTIN MARIETTA MATLS COM 573284106 14,357 3,252 29.28 6,323 66.66 0.0300
2021-11-15 2021-09-30 13F MARTIN MARIETTA MATLS COM 573284106 11,105 10,108 1,013.84 3,794 984.00 0.0197
2021-08-16 2021-06-30 13F MARTIN MARIETTA MATLS COM 573284106 997 1 0.10 350 4.79 0.0018
2021-05-18 2021-03-31 13F MARTIN MARIETTA MATLS COM 573284106 996 -364 -26.76 334 -13.25 0.0018
2021-02-16 2020-12-31 13F MARTIN MARIETTA MATLS COM 573284106 1,360 25 1.87 385 22.61 0.0021
2020-11-16 2020-09-30 13F MARTIN MARIETTA MATLS COM 573284106 1,335 -16 -1.18 314 12.95 0.0019
2020-08-14 2020-06-30 13F MARTIN MARIETTA MATERIALS COM 573284106 1,351 -388 -22.31 278 -42.80 0.0017
2020-05-20 2020-03-31 13F MARTIN MARIETTA MATERIALS COMMON 573284106 1,739 0 0.00 486 0.00 0.0022
2020-02-12 2019-12-31 13F MARTIN MARIETTA MATERIALS COMMON 573284106 1,739 -149 -7.89 486 -6.00 0.0022
2019-11-14 2019-09-30 13F MARTIN MARIETTA MATERIALS COMMON 573284106 1,888 -15 -0.79 517 18.31 0.0024
2019-08-13 2019-06-30 13F MARTIN MARIETTA MATERIALS COMMON 573284106 1,903 -3,601 -65.43 437 -60.52 0.0019
2019-05-14 2019-03-31 13F MARTIN MARIETTA MATERIALS COMMON 573284106 5,504 -318 -5.46 1,107 10.81 0.0050
2019-02-14 2018-12-31 13F MARTIN MARIETTA MATERIALS COMMON 573284106 5,822 -494 -7.82 999 -12.98 0.0049
2018-11-15 2018-09-30 13F MARTIN MARIETTA MATERIALS COMMON 573284106 6,316 4,720 295.74 1,148 221.57 0.0046
2018-11-05 2018-06-30 13F/A-1 MARTIN MARIETTA MATERIALS COMMON 573284106 1,596 497 45.22 357 47.52 0.0016
2018-08-15 2018-06-30 13F MARTIN MARIETTA MATERIALS COMMON 573284106 1,596 497 357
2018-05-15 2018-03-31 13F MARTIN MARIETTA MATERIALS COMMON 573284106 1,099 0 0.00 242 0.00 0.0010
2018-02-15 2017-12-31 13F MARTIN MARIETTA MATERIALS COMMON 573284106 1,099 -8 -0.72 242 6.61 0.0010
2017-11-14 2017-09-30 13F MARTIN MARIETTA MATERIALS COMMON 573284106 1,107 -310 -21.88 227 -26.54 0.0010
2017-08-14 2017-06-30 13F MARTIN MARIETTA MATERIALS COMMON 573284106 1,417 0 0.00 309 0.00 0.0015
2017-05-16 2017-03-31 13F/A-1 MARTIN MARIETTA MATERIALS COMMON 573284106 1,417 365 34.70 309 32.62 0.0015
2017-05-15 2017-03-31 13F MARTIN MARIETTA MATERIALS COMMON 573284106 1,052 233
2017-02-14 2016-12-31 13F MARTIN MARIETTA MATERIALS COMMON 573284106 1,052 -1,761 -62.60 233 -56.77 0.0013
2016-11-14 2016-09-30 13F MARTIN MARIETTA MATERIALS COMMON 573284106 2,813 0 0.00 539 0.00 0.0033
2016-08-05 2016-06-30 13F MARTIN MARIETTA MATERIALS COMMON 573284106 2,813 2,313 462.60 539 582.28 0.0033
2016-04-28 2016-03-31 13F/A-1 MARTIN MARIETTA MATERIALS COMMON 573284106 500 0 0.00 79 16.18 0.0005
2016-04-26 2016-03-31 13F MARTIN MARIETTA MATERIALS COMMON 573284106 500 79
2016-02-11 2015-12-31 13F MARTIN MARIETTA MATERIALS COMMON 573284106 500 0 0.00 68 -9.33 0.0005
2015-11-12 2015-09-30 13F MARTIN MARIETTA MATERIALS COMMON 573284106 500 0 0.00 75 7.14 0.0006
2015-07-22 2015-06-30 13F MARTIN MARIETTA MATERIALS COMMON 573284106 500 0 0.00 70 1.45 0.0005
2015-04-29 2015-03-31 13F MARTIN MARIETTA MATERIALS IN COMMON 573284106 500 0 0.00 69 25.45 0.0005
2015-02-06 2014-12-31 13F MARTIN MARIETTA MATERIALS COMMON 573284106 500 0 0.00 55 -14.06 0.0004
2014-11-14 2014-09-30 13F MARTIN MARIETTA MATERIALS COMMON 573284106 500 0 0.00 64 -3.03 0.0008
2014-08-13 2014-06-30 13F MARTIN MARIETTA MATERIALS COMMON 573284106 500 0 0.00 66 3.13 0.0009
2014-05-07 2014-03-31 13F MARTIN MARIETTA MATERIALS COMMON 573284106 500 0 0.00 64 30.61 0.0008
2014-01-31 2013-12-31 13F MARTIN MARIETTA MATERIALS COMMON 573284106 500 500 49 0.0006
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.