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Martin Marietta Materials Inc

MLM
Exchange
NYSE
Industry
Mining & Quarrying of Nonmetallic Minerals (No Fuels)
SEC CIK
0000916076

No open-market purchases or sales by Martin Marietta Materials Inc insiders were filed in the last 90 days; 1,079 institutions reported holding it in 13F filings for Q2 2026, worth $34.2B in total; 4 superinvestors hold it, including TCI Fund Management and Gardner Russo & Quinn.

13F holders, Q4 2025

Institutional positions in Martin Marietta Materials Inc as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
1,117
+83 vs. Q3 2025
Shares held
59.6M
+1.51M (+2.6%) vs. Q3 2025
Total value
$37.1B
+$525.1M (+1.4%) vs. Q3 2025
New holders
155
362 more added
Sold out
72
352 more reduced

19 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting MLM on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2025: 1,117 institutions
Q1 2021: 692 institutionsQ2 2021: 696 institutionsQ3 2021: 700 institutionsQ4 2021: 775 institutionsQ1 2022: 763 institutionsQ2 2022: 728 institutionsQ3 2022: 736 institutionsQ4 2022: 768 institutionsQ1 2023: 746 institutionsQ2 2023: 804 institutionsQ3 2023: 815 institutionsQ4 2023: 889 institutionsQ1 2024: 957 institutionsQ2 2024: 940 institutionsQ3 2024: 948 institutionsQ4 2024: 992 institutionsQ1 2025: 953 institutionsQ2 2025: 999 institutionsQ3 2025: 1,053 institutionsQ4 2025: 1,117 institutionsQ1 2026: 1,077 institutionsQ2 2026: 1,079 institutions
Value heldQ4 2025: $37.1B
Q1 2021: $19.4BQ2 2021: $20.3BQ3 2021: $19.7BQ4 2021: $25.6BQ1 2022: $22.7BQ2 2022: $17.5BQ3 2022: $18.8BQ4 2022: $19.7BQ1 2023: $20.7BQ2 2023: $27.0BQ3 2023: $24.1BQ4 2023: $29.3BQ1 2024: $36.4BQ2 2024: $32.3BQ3 2024: $32.4BQ4 2024: $30.5BQ1 2025: $28.5BQ2 2025: $32.8BQ3 2025: $36.7BQ4 2025: $37.1BQ1 2026: $34.3BQ2 2026: $34.2B
Institutions holding MLM and their total value by quarter
QuarterHoldersValue
Q2 20261,079$34.2B
Q1 20261,077$34.3B
Q4 20251,117$37.1B
Q3 20251,053$36.7B
Q2 2025999$32.8B
Q1 2025953$28.5B
Q4 2024992$30.5B
Q3 2024948$32.4B
Q2 2024940$32.3B
Q1 2024957$36.4B
Q4 2023889$29.3B
Q3 2023815$24.1B
Q2 2023804$27.0B
Q1 2023746$20.7B
Q4 2022768$19.7B
Q3 2022736$18.8B
Q2 2022728$17.5B
Q1 2022763$22.7B
Q4 2021775$25.6B
Q3 2021700$19.7B
Q2 2021696$20.3B
Q1 2021692$19.4B

Institutions, Q4 2025

Shares, value and share of portfolio for each institution holding Martin Marietta Materials Inc; share changes are against Q3 2025.

Institutions holding MLM in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Prudential Financial Inc61,073$38.0M0.05%−11,820−16.2%Reduced
HighTower Advisors, LLC59,965$37.3M0.04%+574+1.0%Added
Confluence Investment Management LLC59,658$37.1M0.56%−1,733−2.8%Reduced
FIL Ltd59,582$37.1M0.03%+12,250+25.9%Added
Fisher Funds Management LTD57,950$36.3M0.94%−10,861−15.8%Reduced
Janus Henderson Group PLC56,626$35.3M0.02%+526+0.9%Added
State Board of Administration of Florida Retirement System55,344$34.5M0.06%−2,186−3.8%Reduced
Tran Capital Management, L.P.54,153$33.7M4.04%+619+1.2%Added
Gateway Investment Advisers LLC53,779$33.5M0.31%+193+0.4%Added
Spears Abacus Advisors LLC52,708$32.8M0.61%+39,324+293.8%Added
Stephens Inc51,326$32.0M0.40%+5,150+11.2%Added
Harvey Partners, LLC51,135$31.8M2.86%+35+0.1%Added
Aviva PLC50,571$31.5M0.05%+2,604+5.4%Added
STRS Ohio49,736$31.0M0.12%+3,602+7.8%Added
Walleye Capital LLC49,228$30.7M0.17%+48,829+12,237.8%Added
Stifel Financial Corp47,629$29.7M0.03%−2,651−5.3%Reduced
CI Private Wealth, LLC47,080$29.5M0.04%−26,626−36.1%Reduced
Qube Research & Technologies Ltd46,785$29.1M0.04%+46,785New
TCW Group Inc46,003$28.6M0.21%+46,003New
Credit Agricole S A45,875$28.6M0.08%+5,344+13.2%Added
Gradient Investments LLC44,209$27.5M0.44%+3,903+9.7%Added
LPL Financial LLC43,329$27.0M0.01%−6,517−13.1%Reduced
Susquehanna Portfolio Strategies, LLC42,983$26.8M0.41%−4,047−8.6%Reduced
Douglas Lane & Associates, LLC42,285$26.3M0.36%−418−1.0%Reduced
Weiss Asset Management LP41,668$25.9M0.37%+41,668New
Weitz Investment Management, Inc.SuperinvestorWeitz Investment Management41,275$25.7M1.52%00.0%Unchanged
New York State Teachers Retirement System41,227$25.7M0.05%−10.0%Reduced
Mariner, LLC41,109$25.6M0.03%+7,674+23.0%Added
Korea Investment CORP40,750$25.4M0.05%−174−0.4%Reduced
PensionDanmark Pensionsforsikringsaktieselskab40,552$25.3M0.23%+40,552New
Quantinno Capital Management LP40,183$25.0M0.05%+7,843+24.3%Added
Bank of Montreal39,805$24.8M0.01%+5,905+17.4%Added
Great West Life Assurance Co39,099$24.4M0.04%−821−2.1%Reduced
The PNC Financial Services Group, Inc.38,960$24.3M0.01%−2,472−6.0%Reduced
Susquehanna International Group, LLP38,554$24.0M0.03%+28,091+268.5%Added
Franklin Street Advisors Inc38,114$23.7M1.35%−178−0.5%Reduced
GW&K Investment Management, LLC36,663$22.8M0.20%+43+0.1%Added
Canada Pension Plan Investment Board36,294$22.6M0.02%−12,120−25.0%Reduced
Kornitzer Capital Management Inc35,848$22.3M0.46%−12,220−25.4%Reduced
Pictet Asset Management Holding SA35,709$22.2M0.02%−1,635−4.4%Reduced
First Manhattan Co35,105$21.9M0.06%−619−1.7%Reduced
Manufacturers Life Insurance Company, The34,587$21.5M0.02%+1,069+3.2%Added
Captrust Financial Advisors33,309$20.7M0.04%+4,267+14.7%Added
Handelsbanken Fonder AB32,042$20.0M0.06%−2,389−6.9%Reduced
Drummond Knight Asset Management Pty Ltd32,000$19.9M5.58%+32,000New
Chevy Chase Trust Holdings, Inc.31,836$19.8M0.05%−139−0.4%Reduced
Rather & Kittrell, Inc.31,548$19.6M3.16%+50.0%Added
Asset Management One Co.,Ltd.30,759$19.6M0.05%−1,474−4.6%Reduced
Peapack Gladstone Financial Corp31,474$19.6M0.25%+415+1.3%Added
State of Wisconsin Investment Board31,246$19.5M0.04%−502−1.6%Reduced
United Super Pty Ltd in its capacity as Trustee for the Construction & Building Unions Superannuation Fund30,954$19.3M0.27%+17,159+124.4%Added
Lathrop Investment Management Corp30,881$19.2M3.49%−366−1.2%Reduced
NorthCrest Asset Manangement, LLC29,685$19.1M0.43%+267+0.9%Added
Jennison Associates LLC29,930$18.6M0.01%+29,930New
Assetmark, Inc29,486$18.4M0.04%+1,645+5.9%Added
Oppenheimer & Co Inc28,969$18.0M0.26%+1,088+3.9%Added
Sapient Capital LLC26,881$17.0M0.24%−853−3.1%Reduced
National Bank of Canada26,974$16.8M0.02%−7,523−21.8%Reduced
Brandywine Global Investment Management, LLC26,839$16.7M0.11%−231−0.9%Reduced
Exencial Wealth Advisors, LLC26,786$16.7M0.53%−611−2.2%Reduced
Universal- Beteiligungs- und Servicegesellschaft mbH26,374$16.5M0.03%+414+1.6%Added
Danske Bank A/S25,958$16.2M0.04%+1,980+8.3%Added
Cerity Partners LLC25,795$16.1M0.02%+319+1.3%Added
Treasurer of the State of North Carolina25,129$15.6M0.05%−1,835−6.8%Reduced
Pathstone Holdings, LLC25,088$15.6M0.06%+3,317+15.2%Added
New York State Common Retirement Fund24,973$15.5M0.02%00.0%Unchanged
SummitTX Capital, L.P.24,948$15.5M0.47%+16,774+205.2%Added
Pelham Capital Ltd.24,818$15.5M8.22%−5,234−17.4%Reduced
Standard Life Aberdeen plc24,007$14.9M0.02%−1,772−6.9%Reduced
First Trust Advisors LP24,006$14.9M0.01%+8,570+55.5%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.23,661$14.8M0.02%+23,661New
Mn Services Vermogensbeheer B.V.23,503$14.6M0.09%−97−0.4%Reduced
Creative Planning23,136$14.4M0.01%+249+1.1%Added
Covea Finance22,874$14.2M0.47%00.0%Unchanged
Daiwa Securities Group Inc.22,359$13.9M0.05%+354+1.6%Added
State of Tennessee, Treasury Department21,321$13.9M0.04%+8,253+63.2%Added
Toronto Dominion Bank22,305$13.9M0.02%−2,065−8.5%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)22,300$13.9M0.03%+1,302+6.2%Added
Waratah Capital Advisors Ltd.22,274$13.9M1.05%−16,407−42.4%Reduced
CIBC Asset Management Inc22,033$13.7M0.03%+5,839+36.1%Added
Teachers Retirement System of the State of Kentucky21,748$13.5M0.10%−1,285−5.6%Reduced
KLP Kapitalforvaltning AS21,693$13.5M0.05%+100+0.5%Added
Neuberger Berman Group LLC21,586$13.4M0.01%+2,447+12.8%Added
Williams Jones Wealth Management, LLC.21,330$13.3M0.15%+291+1.4%Added
GHP Investment Advisors, Inc.21,039$13.1M0.54%+817+4.0%Added
Whittier Trust Co20,068$13.0M0.14%+685+3.5%Added
Ycg, LLC20,509$12.8M0.96%+138+0.7%Added
State of New Jersey Common Pension Fund D20,299$12.6M0.05%−435−2.1%Reduced
Nomura Asset Management Co Ltd20,288$12.6M0.03%+48+0.2%Added
PFA Pension, Forsikringsaktieselskab19,726$12.5M0.04%+19,726New
Advisors Asset Management, Inc.19,985$12.4M0.21%−962−4.6%Reduced
Sagefield Capital LP19,785$12.3M1.04%+6,375+47.5%Added
Marsico Capital Management LLC19,533$12.2M0.34%+19,533New
Lansforsakringar Fondforvaltning AB (publ)19,509$12.1M0.06%+895+4.8%Added
Tocqueville Asset Management L.P.19,495$12.1M0.18%−8,118−29.4%Reduced
GDS Wealth Management19,138$11.9M0.75%+1,382+7.8%Added
Resona Asset Management Co.,Ltd.18,724$11.7M0.06%−806−4.1%Reduced
Chilton Investment Co LLC18,681$11.6M0.24%+29+0.2%Added
Thrivent Financial for Lutherans18,475$11.5M0.02%−1,250−6.3%Reduced
Truist Financial Corp18,471$11.5M0.02%−240−1.3%Reduced