Martin Marietta Materials Inc (MLM) Ownership

628.25 ↓3.83 (-0.61%)
As of December 31, 1969, 7:00pm EST.

Institutional Ownership

OFI Invest Asset Management is the biggest individual institutional holder of Martin Marietta Materials Inc (MLM), owning a total of 25.7 million shares. Combined, the top 32 institutional holders of MLM own 123.39% of the company with a total of 75.2 million shares.

In the latest ownership report on June 30th 2025, the top 32 institutional holders increased their combined ownership of MLM by 2.5 million shares. 11 institutions bought 3,069,698 total additional shares and increased their ownership by an average of 418.20%. However 9 institutions sold 521,575 total shares and decreased their ownership by an average of 4.9%.

Overall this is a positive sign as the number of shares owned by the top 20 institutional holders of Martin Marietta Materials increased by a net total of 2,548,123 in the latest quarter.

Institution Ownership Chart

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Latest Institutional Ownership Changes

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
Vanguard Group Inc12.187%0.095%7,349,3506,9922025-06-30
BlackRock Inc7.011%-1.955%4,227,808-84,2852025-06-30
FMR Inc4.992%13.253%3,010,162352,2582025-06-30
JPMorgan Chase & Co4.900%0.355%2,955,13910,4452025-06-30
State Street Corp4.685%2.035%2,825,32556,3532025-06-30
Bank of America Corp3.881%31.882%2,340,677565,8562025-06-30
Aristotle Capital Management LLC3.773%-2.692%2,275,539-62,9462025-06-30
Principal Financial Group Inc3.336%3.678%2,011,78871,3652025-06-30
Victory Capital Management Inc.2.726%4,505.140%1,643,8031,608,1082025-06-30
Geode Capital Management, LLC2.522%0.308%1,520,9324,6662025-06-30
Morgan Stanley - Brokerage Accounts2.124%38.432%1,280,791355,5792025-06-30
Baillie Gifford & Co Limited.2.041%-1.926%1,230,943-24,1732025-06-30
Select Equity Group LP1.962%-0.683%1,183,267-8,1332025-06-30
T. Rowe Price Investment Management,Inc.1.893%-6.011%1,141,444-72,9992025-06-30
Goldman Sachs Group Inc1.381%-11.334%832,695-106,4392025-06-30
Alkeon Capital Management, LLC1.331%4.154%802,35132,0002025-06-30
Gardner Russo & Gardner1.182%-0.206%712,779-1,4732025-06-30
Amvescap Plc.1.181%-16.597%712,457-141,7782025-06-30
Atlantic Trust Group, LLC1.156%0.880%696,8886,0762025-06-30
King Luther Capital Management Corp1.146%-2.724%690,904-19,3492025-06-30

Top Institutions

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
OFI Invest Asset Management41.540%0.000%25,673,67825,673,6782023-03-31
Vanguard Group Inc12.187%0.095%7,349,3506,9922025-06-30
BlackRock Inc7.011%-1.955%4,227,808-84,2852025-06-30
FMR Inc4.992%13.253%3,010,162352,2582025-06-30
JPMorgan Chase & Co4.900%0.355%2,955,13910,4452025-06-30
State Street Corp4.685%2.035%2,825,32556,3532025-06-30
State Street Corporation4.322%6.034%2,641,531150,3172024-03-31
Bank of America Corp3.881%31.882%2,340,677565,8562025-06-30
Aristotle Capital Management LLC3.773%-2.692%2,275,539-62,9462025-06-30
Principal Financial Group Inc3.336%3.678%2,011,78871,3652025-06-30
Amundi2.830%9.235%1,706,416144,2702025-03-31
Victory Capital Management Inc.2.726%4,505.140%1,643,8031,608,1082025-06-30
Geode Capital Management, LLC2.522%0.308%1,520,9324,6662025-06-30
Morgan Stanley - Brokerage Accounts2.124%38.432%1,280,791355,5792025-06-30
Baillie Gifford & Co Limited.2.041%-1.926%1,230,943-24,1732025-06-30
Select Equity Group LP1.962%-0.683%1,183,267-8,1332025-06-30
T. Rowe Price Investment Management,Inc.1.893%-6.011%1,141,444-72,9992025-06-30
Goldman Sachs Group Inc1.381%-11.334%832,695-106,4392025-06-30
Alkeon Capital Management, LLC1.331%4.154%802,35132,0002025-06-30
T. Rowe Price Associates, Inc.1.274%-8.245%768,082-69,0162024-12-31
Gardner Russo & Gardner1.182%-0.206%712,779-1,4732025-06-30
Amvescap Plc.1.181%-16.597%712,457-141,7782025-06-30
Atlantic Trust Group, LLC1.156%0.880%696,8886,0762025-06-30
King Luther Capital Management Corp1.146%-2.724%690,904-19,3492025-06-30
Findlay Park Partners LLP1.090%-14.697%673,684-116,0692023-06-30
Bank of New York Mellon Corp1.076%-10.368%666,814-77,1332022-12-31
NORGES BANK1.074%6.045%656,16037,4022024-06-30
Dimensional Fund Advisors, Inc.1.025%0.448%626,4722,7912024-09-30
Northern Trust Corp0.996%3.775%615,46722,3912023-09-30
Massachusetts Financial Services Company1.003%-4.548%613,090-29,2132024-03-31
Diamond Hill Capital Management Inc0.898%-0.450%557,448-2,5182022-12-31
William Blair Investment Management, LLC0.858%72.662%532,490224,0892022-09-30

Mutual Fund Ownership

Vanguard US Total Market Shares ETF is the biggest individual fund holder of Martin Marietta Materials Inc (MLM), owning a total of 1.9 million shares. Combined, the top 40 mutual fund holders of MLM own 52.54% of the company with a total of 31.9 million shares.

In the latest ownership report on August 31st 2025, the top 40 fund holders increased their combined ownership of MLM by 29 thousand shares. 2 funds bought 9,579 total additional shares and increased their ownership by an average of 0.70%. However 1 funds sold 38,913 total shares and decreased their ownership by an average of 7.52%.

Overall this is a negative sign as the number of shares owned by the top 20 mutual funds holding Martin Marietta Materials decreased by a net total of -29,334 in the latest report.

Mutual Funds Chart

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Latest Mutual Fund Ownership Changes

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
SPDR® S&P 500® ETF1.210%1.228%729,6848,8552025-08-31
iShares Core S&P 500 ETF1.204%0.000%725,92902025-08-31
Diamond Hill Large Cap Equity0.794%-7.518%478,721-38,9132025-08-31
The Materials Select Sector SPDR® ETF0.724%0.166%436,5167242025-08-31

Top Mutual Funds

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
Vanguard US Total Market Shares ETF3.172%-1.069%1,933,809-20,8862024-09-30
Vanguard Instl Ttl Stck Mkt Idx Tr3.119%2.122%1,927,86240,0512023-03-31
Vanguard Total Stock Mkt Idx Inv3.140%-2.257%1,893,429-43,7272025-07-31
Vanguard Institutional 500 Index Trust2.884%0.704%1,738,30112,1452025-05-31
Principal MidCap R52.510%2.426%1,513,78235,8472025-07-31
Vanguard 500 Index Investor2.474%-12.787%1,491,651-218,7012025-07-31
Principal Aligned MidCap Equity2.455%3.793%1,480,22554,0872025-06-30
Vanguard Mid Cap Index Institutional2.230%1.088%1,344,81814,4752025-07-31
Fidelity Magellan1.518%-0.974%915,404-9,0062025-07-31
Fidelity® Magellan®1.304%17.275%805,810118,7002023-11-30
Fidelity 500 Index1.267%0.043%764,1733272025-07-31
SPDR® S&P 500 ETF1.248%-1.446%760,718-11,1602025-03-31
Victory Pioneer A1.248%0.798%752,8075,9602025-07-31
Pioneer US Large Core Equity1.238%-0.874%746,847-6,5872025-06-30
SPDR® S&P 500® ETF Trust1.215%-0.522%740,522-3,8882025-03-31
SPDR® S&P 500 ETF Trust1.187%0.228%731,4731,6652024-04-30
SPDR® S&P 500® ETF1.210%1.228%729,6848,8552025-08-31
iShares Core S&P 500 ETF1.204%0.000%725,92902025-08-31
Fidelity® 500 Index1.165%0.640%720,1904,5832023-11-30
Pioneer A1.162%3.479%708,69323,8282025-01-31
Findlay Park American ICAV USD1.132%-1.020%703,246-7,2442023-01-31
PGI Mid-Cap Equity1.063%-1.214%656,796-8,0712023-06-30
Vanguard Windsor™ II Inv1.030%0.000%621,27902025-06-30
CIBC Disciplined Equity0.895%0.000%553,09502023-09-30
T. Rowe Price US Mid-Cap Growth Equity0.895%-6.563%539,600-37,9002025-06-30
Vanguard Mid-Cap Growth ETF0.835%2.553%503,50012,5362025-07-31
T. Rowe Price Mid-Cap Growth0.828%-7.506%499,100-40,5002025-07-31
Diamond Hill Large Cap Equity0.794%-7.518%478,721-38,9132025-08-31
UBS: Global Equity0.767%0.000%475,50602022-12-31
Amundi Fds US Pioneer A USD C0.745%4.774%449,23320,4692025-07-31
Materials Select Sector SPDR® ETF0.709%-0.378%438,009-1,6622023-07-31
The Materials Select Sector SPDR® ETF0.724%0.166%436,5167242025-08-31
JPM US Mid Cap Value-Composite0.694%-10.243%424,063-48,3922023-12-31
JPMorgan Mid Cap Value L0.687%0.000%424,06302024-02-29
ACAP Strategic A0.656%4.803%395,72418,1372025-06-30
Vanguard Growth Index Investor0.653%0.435%394,0251,7062025-07-31
JPM US Mid Cap Value-MA0.620%28,647.000%382,047380,7182024-03-31
Global X US Infrastructure Dev ETF0.630%-0.055%381,726-2092025-03-31
Findlay Park American I USD Dist0.617%-1.746%377,142-6,7002024-10-31
Vanguard Institutional Index I0.624%0.164%375,8606152025-05-31

Discussions

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Clean_Teoth10/2/25 09:20pm

$MLM I don't know shit
but I know I'm holdin till I at least triple up

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