MLM · NYSE · Construction Materials

Martin Marietta (MLM)

Supplies aggregates, asphalt, concrete and specialty minerals for construction and industrial markets.

$500.72
vs last close+1.05 (+0.21%)

13F · 13D/G · Form 4

Institutions99.61%59.83M shares
1,093 holders · as of Jun 30, 2026
Insiders0.73%438.3K shares
23 holders · as of Sep 2, 2026
Adds to100.34%

60.07M company shares as of Sep 22, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing

These groups come from separate filings that can overlap, so they add to 100.34%; nothing is left for Other.

13F · 13D/G · Form 4

HolderStakeSharesDate
BlackRock, Inc.Institution
7.81%4.69Mas of Jun 30, 2026
Vanguard Capital Management LLCInstitution
6.54%3.93Mas of Jun 30, 2026
Vanguard Portfolio Management LLCInstitution
5.32%3.20Mas of Jun 30, 2026
State Street CorpInstitution
5.26%3.16Mas of Jun 30, 2026
Bank of America Corp /DE/Institution
4.07%2.45Mas of Jun 30, 2026
FMR LLCInstitution
3.65%2.19Mas of Jun 30, 2026
Principal Financial Group IncInstitution
3.52%2.12Mas of Jun 30, 2026
Aristotle Capital Management, LLCInstitution
3.05%1.83Mas of Jun 30, 2026
Victory Capital Management IncInstitution
2.97%1.78Mas of Jun 30, 2026
Geode Capital Management, LLCInstitution
2.67%1.60Mas of Jun 30, 2026
Price T Rowe Associates Inc /MD/Institution
2.66%1.60Mas of Jun 30, 2026
JPMorgan Chase & CoInstitution
2.44%1.47Mas of Jun 30, 2026
Tci Fund Management LtdInstitution
2.19%1.32Mas of Jun 30, 2026
Goldman Sachs Group IncInstitution
1.94%1.16Mas of Jun 30, 2026
Morgan StanleyInstitution
1.68%1.01Mas of Jun 30, 2026
Select Equity Group, L.P.Institution
1.68%1.01Mas of Jun 30, 2026
Baillie Gifford & CoInstitution
1.65%991,786as of Jun 30, 2026
Gardner Russo & Quinn LLCInstitution
1.17%705,367as of Jun 30, 2026
King Luther Capital Management CorpInstitution
1.09%653,184as of Jun 30, 2026
Invesco Ltd.Institution
1.08%649,575as of Jun 30, 2026
T. Rowe Price Investment Management, Inc.Institution
1.07%641,321as of Jun 30, 2026
Alkeon Capital Management LLCInstitution
1.04%627,351as of Jun 30, 2026
Dimensional Fund Advisors LPInstitution
0.98%586,145as of Jun 30, 2026
Northern Trust CorpInstitution
0.95%570,346as of Jun 30, 2026
Norges BankInstitution
0.93%557,143as of Jun 30, 2026

13F, as of Jun 30, 2026

1,093 holders · 59.83M shares · 112 new positions · 477 increased · 394 reduced · 110 closed

HolderShares% outstandingChg q/qFiled
BlackRock, Inc.4.69M7.81%+6.7KAug 7, 2026
Vanguard Capital Management LLC3.93M6.54%+12.3KAug 13, 2026
Vanguard Portfolio Management LLC3.20M5.32%+37.0KAug 13, 2026
State Street Corp3.16M5.26%+282.1KAug 7, 2026
Bank of America Corp /DE/2.45M4.07%+47.0KAug 14, 2026
FMR LLC2.19M3.65%−415.4KAug 13, 2026
Principal Financial Group Inc2.12M3.52%+22.4KAug 4, 2026
Aristotle Capital Management, LLC1.83M3.05%−123.5KAug 14, 2026

13D/G · 5% or more, as filed

Holder% of classSharesFormFiled
Gpi SAincl. LNA Holding SRL, Financiere de Gestions Internationales SCA +1 more15.40%10.95M13DAug 24, 2026
Vanguard Capital Management7.47%4.51M13GApr 30, 2026
Vanguard Portfolio Management5.25%3.17M13GApr 29, 2026
State Street Corporation5.20%3.16M13GAug 7, 2026

Form 4

Latest trades

No open-market trades in the last 12 months.

House and Senate disclosures

MemberTypeAmountOwnerTradedDisclosed
Rep. April Delaney · MD06Sale$250,001 – $500,000Aug 25, 2026Sep 10, 2026
Rep. April Delaney · MD06Purchase$1,001 – $15,000Aug 19, 2026Sep 10, 2026
Rep. Ro Khanna · CA17Sale$1,001 – $15,000Aug 10, 2026Sep 7, 2026
Rep. April Delaney · MD06Purchase$15,001 – $50,000Jul 24, 2026Aug 4, 2026
Rep. April Delaney · MD06Purchase$1,001 – $15,000Jul 20, 2026Aug 4, 2026