Martin Marietta Materials, Inc.
MX ˙ BMV ˙ US5732841060
SecurityMX:MLM / Martin Marietta Materials, Inc.
InstitutionFirst Pacific Financial
Latest Disclosed Ownership12 shares
Latest Disclosed Value $ 7,065
First Pacific Financial ownership in MLM / Martin Marietta Materials, Inc.

On April 23, 2026 - First Pacific Financial filed a 13F-HR form disclosing ownership of 12 shares of Martin Marietta Materials, Inc. (MX:MLM) valued at $7,065 USD as of March 31, 2026. The entity filed a previous 13F-HR on April 23, 2025 disclosing 0 shares of Martin Marietta Materials, Inc..

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)
2026-04-23 2026-03-31 13F MARTIN MARIETTA MATLS COM 573284106 12 12 7 0.0009
2025-04-23 2025-03-31 13F MARTIN MARIETTA MATLS COM 573284106 0 -173 -100.00 0 -100.00
2025-01-15 2024-12-31 13F MARTIN MARIETTA MATLS COM 573284106 173 0 0.00 89 -4.30 0.0208
2024-10-15 2024-09-30 13F MARTIN MARIETTA MATLS COM 573284106 173 0 0.00 93 0.00 0.0218
2024-07-19 2024-06-30 13F MARTIN MARIETTA MATLS COM 573284106 173 1 0.58 94 -11.43 0.0240
2024-04-24 2024-03-31 13F MARTIN MARIETTA MATLS COM 573284106 172 0 0.00 106 23.53 0.0296
2024-01-18 2023-12-31 13F MARTIN MARIETTA MATLS COM 573284106 172 0 0.00 86 21.43 0.0262
2023-10-23 2023-09-30 13F MARTIN MARIETTA MATLS COM 573284106 172 172 71 0.0315
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.