Martin Marietta Materials, Inc.
MX ˙ BMV ˙ US5732841060
SecurityMX:MLM / Martin Marietta Materials, Inc.
InstitutionMillennium Management Llc
ManagerIsrael Englander
Latest Disclosed Ownership14,861 shares
Latest Disclosed Value $ 8,748,373
Millennium Management Llc ownership in MLM / Martin Marietta Materials, Inc.

On May 15, 2026 - Millennium Management Llc filed a 13F-HR form disclosing ownership of 14,861 shares of Martin Marietta Materials, Inc. (MX:MLM) valued at $8,748,373 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 89,693 shares of Martin Marietta Materials, Inc.. This represents a change in shares of -83.43% during the quarter.

Millennium Management Llc has a history of taking positions in derivatives of the underlying security (MLM) in the form of stock options. The firm currently holds call options representing 1,600 of underlying shares valued at $941,888 USD and put options representing 800 of underlying shares valued at $470,944 USD .

Note: prior versions of this page mistakenly stated that the share values represented the number of options, not the number of underlying shares. For more information on the data backing these reports, please see the SEC document Frequently Asked Questions About Form 13F.

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.

Upgrade to unlock premium data and export to Excel .

Institutional Put/Call Ratios
(Premium Subscription Required)

In addition to reporting standard equity and debt issues, institutions with more than 100MM assets under management must also disclose their put and call option holdings. Since put options generally indicate negative sentiment, and call options indicate positive sentiment, we can get a sense of the overall institutional sentiment by plotting the ratio of puts to calls. The chart to the right plots the historical put/call ratio for this instrument.

Using Put/Call Ratio as an indicator of investor sentiment overcomes one of the key deficiencies of using total institutional ownership, which is that a significant amount of assets under management are invested passively to track indices. Passively-managed funds do not typically buy options, so the put/call ratio indicator more closely tracks the sentiment of actively-managed funds.

MX:MLM / Martin Marietta Materials, Inc. Historical Put/Call Ratio
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)
2026-05-15 2026-03-31 13F MARTIN MARIETTA MATLS COM 573284106 14,861 -74,832 -83.43 8,748 -84.34 0.0036
2026-02-17 2025-12-31 13F MARTIN MARIETTA MATLS COM 573284106 89,693 -18,474 -17.08 55,848 -18.08 0.0235
2025-11-14 2025-09-30 13F MARTIN MARIETTA MATLS COM 573284106 108,167 98,024 966.42 68,175 1,124.41 0.0291
2025-08-14 2025-06-30 13F MARTIN MARIETTA MATLS COM 573284106 10,143 633 6.66 5,568 22.45 0.0027
2025-05-15 2025-03-31 13F MARTIN MARIETTA MATLS COM 573284106 9,510 -59,231 -86.17 4,547 -87.19 0.0024
2025-02-14 2024-12-31 13F MARTIN MARIETTA MATLS COM 573284106 68,741 47,130 218.08 35,505 205.23 0.0173
2024-11-14 2024-09-30 13F MARTIN MARIETTA MATLS COM 573284106 21,611 17,489 424.28 11,632 420.91 0.0055
2024-08-14 2024-06-30 13F MARTIN MARIETTA MATLS COM 573284106 4,122 -25,963 -86.30 2,233 -87.91 0.0010
2024-05-15 2024-03-31 13F MARTIN MARIETTA MATLS COM 573284106 30,085 10,925 57.02 18,470 93.22 0.0079
2024-02-14 2023-12-31 13F MARTIN MARIETTA MATLS COM 573284106 19,160 -109,731 -85.13 9,559 -81.93 0.0041
2023-11-14 2023-09-30 13F MARTIN MARIETTA MATLS COM 573284106 128,891 13,067 11.28 52,907 -1.06 0.0267
2023-08-14 2023-06-30 13F MARTIN MARIETTA MATLS COM 573284106 115,824 -152,958 -56.91 53,475 -43.97 0.0264
2023-05-15 2023-03-31 13F MARTIN MARIETTA MATLS COM 573284106 268,782 -99,866 -27.09 95,434 -23.40 0.0547
2023-02-14 2022-12-31 13F MARTIN MARIETTA MATLS COM 573284106 368,648 226,366 159.10 124,592 171.87 0.0689
2022-11-14 2022-09-30 13F MARTIN MARIETTA MATLS COM 573284106 142,282 -130,170 -47.78 45,828 -43.79 0.0271
2022-08-15 2022-06-30 13F MARTIN MARIETTA MATLS COM 573284106 272,452 59,523 27.95 81,529 -0.52 0.0506
2022-05-16 2022-03-31 13F MARTIN MARIETTA MATLS COM 573284106 212,929 198,899 1,417.67 81,954 1,226.12 0.0434
2022-02-14 2021-12-31 13F MARTIN MARIETTA MATLS COM 573284106 14,030 -14,948 -51.58 6,180 -37.58 0.0031
2021-11-15 2021-09-30 13F MARTIN MARIETTA MATLS COM 573284106 28,978 20,147 228.14 9,901 218.67 0.0059
2021-08-16 2021-06-30 13F MARTIN MARIETTA MATLS COM 573284106 8,831 -53,392 -85.81 3,107 -85.13 0.0019
2021-05-17 2021-03-31 13F MARTIN MARIETTA MATLS COM 573284106 62,223 38,855 166.27 20,896 214.89 0.0150
2021-02-16 2020-12-31 13F MARTIN MARIETTA MATLS COM 573284106 23,368 -128,925 -84.66 6,636 -81.49 0.0048
2020-11-16 2020-09-30 13F MARTIN MARIETTA MATLS COM 573284106 152,293 135,994 834.37 35,844 964.57 0.0441
2020-08-14 2020-06-30 13F MARTIN MARIETTA MATLS COM 573284106 16,299 -161,573 -90.84 3,367 -90.00 0.0046
2020-05-14 2020-03-31 13F MARTIN MARIETTA MATLS COM 573284106 177,872 126,270 244.70 33,659 133.26 0.0756
2020-02-14 2019-12-31 13F MARTIN MARIETTA MATLS COM 573284106 51,602 -103,554 -66.74 14,430 -66.07 0.0181
2019-11-14 2019-09-30 13F MARTIN MARIETTA MATLS COM 573284106 155,156 -165,741 -51.65 42,528 -42.41 0.0672
2019-08-15 2019-06-30 13F/A-1 MARTIN MARIETTA MATLS COM 573284106 320,897 189,449 144.12 73,842 179.23 0.1110
2019-08-14 2019-06-30 13F MASTERCARD CL A 573284106 157,591 26,143 41,688
2019-05-14 2019-03-31 13F MARTIN MARIETTA MATLS COM 573284106 131,448 117,022 811.19 26,445 966.76 0.0396
2019-02-15 2018-12-31 13F/A-1 MARTIN MARIETTA MATLS COM 573284106 14,426 8,785 155.73 2,479 141.62 0.0039
2019-02-14 2018-12-31 13F MARTIN MARIETTA MATLS COM 573284106 14,426 2,479
2018-11-14 2018-09-30 13F MARTIN MARIETTA MATLS COM 573284106 5,641 3,967 236.98 1,026 174.33 0.0013
2018-08-14 2018-06-30 13F MARTIN MARIETTA MATLS COM 573284106 1,674 -362,551 -99.54 374 -99.50 0.0005
2018-05-15 2018-03-31 13F MARTIN MARIETTA MATLS COM 573284106 364,225 355,863 4,255.72 75,504 3,985.71 0.1007
2018-02-14 2017-12-31 13F MARTIN MARIETTA MATLS COM 573284106 8,362 5,646 207.88 1,848 230.00 0.0026
2017-11-14 2017-09-30 13F MARTIN MARIETTA MATLS COM 573284106 2,716 -432,086 -99.38 560 -99.42 0.0009
2017-08-14 2017-06-30 13F MARTIN MARIETTA MATLS COM 573284106 434,802 296,242 213.80 96,778 220.02 0.1726
2017-05-15 2017-03-31 13F MARTIN MARIETTA MATLS COM 573284106 138,560 105,944 324.82 30,241 318.56 0.0554
2017-02-14 2016-12-31 13F MARTIN MARIETTA MATLS COM 573284106 32,616 -157,216 -82.82 7,225 -78.75 0.0151
2016-11-14 2016-09-30 13F MARTIN MARIETTA MATLS COM 573284106 189,832 184,694 3,594.67 34,001 3,348.38 0.0570
2016-08-15 2016-06-30 13F MARTIN MARIETTA MATLS COM 573284106 5,138 -8,129 -61.27 986 -53.40 0.0023
2016-05-16 2016-03-31 13F MARTIN MARIETTA MATLS COM 573284106 13,267 -309,743 -95.89 2,116 -95.20 0.0053
2016-02-16 2015-12-31 13F MARTIN MARIETTA MATLS COM 573284106 323,010 302,048 1,440.93 44,117 1,285.15 0.0927
2015-11-16 2015-09-30 13F MARTIN MARIETTA MATLS COM 573284106 20,962 7,370 54.22 3,185 65.63 0.0062
2015-08-14 2015-06-30 13F MARTIN MARIETTA MATLS COM 573284106 13,592 -41,638 -75.39 1,923 -75.09 0.0036
2015-05-15 2015-03-31 13F MARTIN MARIETTA MATLS COM 573284106 55,230 24,516 79.82 7,721 127.89 0.0144
2015-02-17 2014-12-31 13F MARTIN MARIETTA MATLS COM 573284106 30,714 -117,701 -79.31 3,388 -82.30 0.0072
2014-11-14 2014-09-30 13F MARTIN MARIETTA MATLS COM 573284106 148,415 -24,145 -13.99 19,137 -16.02 0.0484
2014-08-14 2014-06-30 13F MARTIN MARIETTA MATLS COM 573284106 172,560 116,074 205.49 22,787 214.30 0.0631
2014-05-15 2014-03-31 13F MARTIN MARIETTA MATLS COM 573284106 56,486 -21,620 -27.68 7,250 -7.12 0.0210
2014-02-14 2013-12-31 13F MARTIN MARIETTA MATLS COM 573284106 78,106 -24,505 -23.88 7,806 -22.51 0.0246
2013-11-14 2013-09-30 13F MARTIN MARIETTA MATLS COM 573284106 102,611 -32,297 -23.94 10,073 -24.14 0.0324
2013-08-14 2013-06-30 13F MARTIN MARIETTA MATLS COM 573284106 134,908 134,908 13,278 0.0407
Disclosed Call Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share
Price
Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2026-05-15 2026-03-31 13F MARTIN MARIETTA MATLS COM Call 1,600 942 n/a n/a n/a
2025-08-14 2025-06-30 13F MARTIN MARIETTA MATLS COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2025-05-15 2025-03-31 13F MARTIN MARIETTA MATLS COM Call 4,800 118.18 2,295 102.02 n/a n/a n/a
2025-02-14 2024-12-31 13F MARTIN MARIETTA MATLS COM Call 2,200 -51.11 1,136 -53.10 n/a n/a n/a
2024-11-14 2024-09-30 13F MARTIN MARIETTA MATLS COM Call 4,500 45.16 2,422 44.25 n/a n/a n/a
2024-08-14 2024-06-30 13F MARTIN MARIETTA MATLS COM Call 3,100 -81.33 1,680 -83.52 n/a n/a n/a
2024-05-15 2024-03-31 13F MARTIN MARIETTA MATLS COM Call 16,600 295.24 10,191 386.44 n/a n/a n/a
2024-02-14 2023-12-31 13F MARTIN MARIETTA MATLS COM Call 4,200 -31.15 2,095 -16.30 n/a n/a n/a
2023-11-14 2023-09-30 13F MARTIN MARIETTA MATLS COM Call 6,100 0.00 2,504 -11.12 n/a n/a n/a
2023-08-14 2023-06-30 13F MARTIN MARIETTA MATLS COM Call 6,100 8.93 2,816 41.65 n/a n/a n/a
2023-05-15 2023-03-31 13F MARTIN MARIETTA MATLS COM Call 5,600 107.41 1,988 117.74 n/a n/a n/a
2023-02-14 2022-12-31 13F MARTIN MARIETTA MATLS COM Call 2,700 0.00 913 4.94 n/a n/a n/a
2022-11-14 2022-09-30 13F MARTIN MARIETTA MATLS COM Call 2,700 870 n/a n/a n/a
2021-05-17 2021-03-31 13F MARTIN MARIETTA MATLS COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2021-02-16 2020-12-31 13F MARTIN MARIETTA MATLS COM Call 900 256 n/a n/a n/a
2020-11-16 2020-09-30 13F MARTIN MARIETTA MATLS COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2020-08-14 2020-06-30 13F MARTIN MARIETTA MATLS COM Call 2,900 -17.14 599 -9.52 n/a n/a n/a
2020-05-14 2020-03-31 13F MARTIN MARIETTA MATLS COM Call 3,500 -75.69 662 -83.56 n/a n/a n/a
2020-02-14 2019-12-31 13F MARTIN MARIETTA MATLS COM Call 14,400 0.00 4,027 2.03 n/a n/a n/a
2019-11-14 2019-09-30 13F MARTIN MARIETTA MATLS COM Call 14,400 0.00 3,947 -1.99 n/a n/a n/a
2016-08-15 2016-06-30 13F MARTIN MARIETTA MATLS COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2016-05-16 2016-03-31 13F MARTIN MARIETTA MATLS COM Call 30,000 4,785 n/a n/a n/a
2015-08-14 2015-06-30 13F MARTIN MARIETTA MATLS COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2015-05-15 2015-03-31 13F MARTIN MARIETTA MATLS COM Call 1,500 210 n/a n/a n/a
2015-02-17 2014-12-31 13F MARTIN MARIETTA MATLS COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2014-11-14 2014-09-30 13F MARTIN MARIETTA MATLS COM Call 8,500 1,096 n/a n/a n/a
2014-08-14 2014-06-30 13F MARTIN MARIETTA MATLS COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2014-05-15 2014-03-31 13F MARTIN MARIETTA MATLS COM Call 3,900 501 n/a n/a n/a
Disclosed Put Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share Price Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2026-05-15 2026-03-31 13F MARTIN MARIETTA MATLS COM Put 800 471 n/a n/a n/a
2025-11-14 2025-09-30 13F MARTIN MARIETTA MATLS COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2025-08-14 2025-06-30 13F MARTIN MARIETTA MATLS COM Put 17,500 1,490.91 9,607 1,729.71 n/a n/a n/a
2025-05-15 2025-03-31 13F MARTIN MARIETTA MATLS COM Put 1,100 -79.25 526 -80.82 n/a n/a n/a
2025-02-14 2024-12-31 13F MARTIN MARIETTA MATLS COM Put 5,300 12.77 2,737 8.22 n/a n/a n/a
2024-11-14 2024-09-30 13F MARTIN MARIETTA MATLS COM Put 4,700 571.43 2,530 567.28 n/a n/a n/a
2024-08-14 2024-06-30 13F MARTIN MARIETTA MATLS COM Put 700 -53.33 379 -58.80 n/a n/a n/a
2024-05-15 2024-03-31 13F MARTIN MARIETTA MATLS COM Put 1,500 -54.55 921 -44.11 n/a n/a n/a
2024-02-14 2023-12-31 13F MARTIN MARIETTA MATLS COM Put 3,300 -38.89 1,646 -25.72 n/a n/a n/a
2023-11-14 2023-09-30 13F MARTIN MARIETTA MATLS COM Put 5,400 -22.86 2,217 -31.41 n/a n/a n/a
2023-08-14 2023-06-30 13F MARTIN MARIETTA MATLS COM Put 7,000 250.00 3,232 355.07 n/a n/a n/a
2023-05-15 2023-03-31 13F MARTIN MARIETTA MATLS COM Put 2,000 -95.71 710 -95.49 n/a n/a n/a
2023-02-14 2022-12-31 13F MARTIN MARIETTA MATLS COM Put 46,600 0.00 15,749 4.93 n/a n/a n/a
2022-11-14 2022-09-30 13F MARTIN MARIETTA MATLS COM Put 46,600 15,009 n/a n/a n/a
2022-08-15 2022-06-30 13F MARTIN MARIETTA MATLS COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2022-05-16 2022-03-31 13F MARTIN MARIETTA MATLS COM Put 95,400 -0.73 36,719 -13.26 n/a n/a n/a
2022-02-14 2021-12-31 13F MARTIN MARIETTA MATLS COM Put 96,100 74.73 42,334 125.28 n/a n/a n/a
2021-11-15 2021-09-30 13F MARTIN MARIETTA MATLS COM Put 55,000 347.15 18,792 334.30 n/a n/a n/a
2021-08-16 2021-06-30 13F MARTIN MARIETTA MATLS COM Put 12,300 4,327 n/a n/a n/a
2021-05-17 2021-03-31 13F MARTIN MARIETTA MATLS COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2021-02-16 2020-12-31 13F MARTIN MARIETTA MATLS COM Put 900 256 n/a n/a n/a
2020-11-16 2020-09-30 13F MARTIN MARIETTA MATLS COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2020-08-14 2020-06-30 13F MARTIN MARIETTA MATLS COM Put 12,500 -38.12 2,582 -32.44 n/a n/a n/a
2020-05-14 2020-03-31 13F MARTIN MARIETTA MATLS COM Put 20,200 -73.49 3,822 -82.06 n/a n/a n/a
2020-02-14 2019-12-31 13F MARTIN MARIETTA MATLS COM Put 76,200 10.76 21,309 13.00 n/a n/a n/a
2019-11-14 2019-09-30 13F MARTIN MARIETTA MATLS COM Put 68,800 -9.71 18,858 -11.50 n/a n/a n/a
2017-02-14 2016-12-31 13F MARTIN MARIETTA MATLS COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2016-11-14 2016-09-30 13F MARTIN MARIETTA MATLS COM Put 90,000 200.00 16,120 179.86 n/a n/a n/a
2016-08-15 2016-06-30 13F MARTIN MARIETTA MATLS COM Put 30,000 -66.67 5,760 -64.27 n/a n/a n/a
2016-05-16 2016-03-31 13F MARTIN MARIETTA MATLS COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2016-02-16 2015-12-31 13F MARTIN MARIETTA MATLS COM Put 20,000 -50.00 2,732 -55.05 n/a n/a n/a
2015-11-16 2015-09-30 13F MARTIN MARIETTA MATLS COM Put 40,000 100.00 6,078 122.47 n/a n/a n/a
2015-08-14 2015-06-30 13F MARTIN MARIETTA MATLS COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2015-05-15 2015-03-31 13F MARTIN MARIETTA MATLS COM Put 2,300 322 n/a n/a n/a
2015-02-17 2014-12-31 13F MARTIN MARIETTA MATLS COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2014-11-14 2014-09-30 13F MARTIN MARIETTA MATLS COM Put 7,500 967 n/a n/a n/a
2014-08-14 2014-06-30 13F MARTIN MARIETTA MATLS COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2014-05-15 2014-03-31 13F MARTIN MARIETTA MATLS COM Put 2,900 372 n/a n/a n/a
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.