Martin Marietta Materials

MLM • NYSE

Martin Marietta Materials is a construction materials company in the basic materials sector on NYSE, led by Ward Nye, with a market cap of $37.3B. As of Q3 2025, 96% of shares are held by 1,015 institutional investors, with VANGUARD GROUP INC as the largest holder at 12.34%.

CEOWard Nye

Market Cap$37.3B

Construction Materials

Basic Materials

Employees9.4K

Websitemartinmarietta.com

Country

United States of America

Overview

Overview of institutional ownership in MLM as of Q3 2025 with a market cap of $38.0B

All Institutions

Institutions: 1,015
Value Held: $36.5B
Shares Held: 58.0M
Avg Position: $36.0M
Median Position: $935.7K

Hedge Funds

Hedge Funds: 62
Value Held: $2.5B
Shares Held: 4.0M
Avg Position: $41.0M
Median Position: $3.7M

Ownership Breakdown

Institutional (non-HF)

89.46%

$34.0B

Hedge Funds

6.68%

$2.5B

Retail & Other

3.86%

$1.5B

Based on market cap of $38.0B as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in MLM as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
VANGUARD GROUP INC Institution	Salim Ramji CEO	$4.7B 0.07% of portfolio	12.34% 7.4M shares	≤ Q2 2013 Held for 12y 5m+	$6.69T
B BlackRock, Inc. Institution	-	$2.6B 0.05% of portfolio	6.88% 4.2M shares	≤ Q2 2013 Held for 12y 5m+	$5.67T
JPMORGAN CHASE & CO Institution	Jamie Dimon CEO	$1.8B 0.12% of portfolio	4.87% 2.9M shares	≤ Q2 2013 Held for 12y 5m+	$1.56T
FMR LLC Institution	-	$1.8B 0.09% of portfolio	4.77% 2.9M shares	≤ Q2 2013 Held for 12y 5m+	$1.92T
STATE STREET CORP Institution	Ronald P. O'Hanley CEO	$1.8B 0.06% of portfolio	4.64% 2.8M shares	≤ Q2 2013 Held for 12y 5m+	$2.88T
BANK OF AMERICA CORP /DE/ Institution	Brian T. Moynihan CEO	$1.5B 0.11% of portfolio	3.92% 2.4M shares	≤ Q2 2013 Held for 12y 5m+	$1.33T
PRINCIPAL FINANCIAL GROUP INC Institution	Deanna Strable CEO	$1.4B 0.70% of portfolio	3.66% 2.2M shares	≤ Q2 2013 Held for 12y 5m+	$197.71B
Aristotle Capital Management, LLC Long Only Manager	Christopher Arthur Fisher CCO	$1.4B 2.86% of portfolio	3.57% 2.2M shares	Q1 2014 Held for 11y 8m	$47.4B
VICTORY CAPITAL MANAGEMENT INC Long Only Manager	David Craig Brown CEO	$1.0B 0.60% of portfolio	2.67% 1.6M shares	Q3 2015 Held for 10y 2m	$169.09B
GEODE CAPITAL MANAGEMENT LLC ETF Provider	David Kenneth Lane CEO	$968.2M 0.06% of portfolio	2.56% 1.5M shares	≤ Q2 2013 Held for 12y 5m+	$1.57T

Net Capital Flow

Institutional buying and selling activity for MLM in Q3 2025

Net Flow: −$758.4M
Buyers: 365
Sellers: 398
Total Bought: +$815.5M
Total Sold: −$1.6B
Avg Position: $38.0M

Biggest Buyers

Institution	Net Bought	Current Position
PRINCIPAL FINANCIAL GROUP INC Institution	+$121.4M +192.6K shares	$1.4B 2.2M shares
F Freestone Grove Partners LP Hedge Fund•Multi-Strategy	+$69.5M +110.2K shares	$78.8M 125.0K shares
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	+$61.8M +98.0K shares	$68.2M 108.2K shares
VANGUARD GROUP INC Institution	+$59.0M +93.6K shares	$4.7B 7.4M shares
B BNP PARIBAS ARBITRAGE, SA Institution	+$43.5M +69.0K shares	$74.3M 117.9K shares
A Advisor Group Holdings, Inc. Institution	+$35.5M +56.4K shares	$40.5M 64.4K shares
CITIGROUP INC Institution	+$19.8M +31.5K shares	$78.9M 125.1K shares
PRUDENTIAL FINANCIAL INC Institution	+$19.7M +31.3K shares	$45.9M 72.9K shares
C Concentric Capital Strategies, LP Hedge Fund•Long/Short	+$18.2M +28.9K shares	$19.0M 30.1K shares
A ADAGE CAPITAL PARTNERS GP LLC Institution	+$17.6M +28.0K shares	$17.6M 28.0K shares

Biggest Sellers

Institution	Net Sold	Current Position
A Atlantic Trust Group, LLC Institution	−$135.5M −215.0K shares	$303.8M 481.9K shares
Select Equity Group, L.P. Hedge Fund•Multi-Strategy	−$92.5M −146.7K shares	$653.3M 1.0M shares
FMR LLC Institution	−$82.3M −130.6K shares	$1.8B 2.9M shares
Aristotle Capital Management, LLC Long Only Manager	−$76.5M −121.4K shares	$1.4B 2.2M shares
TWO SIGMA INVESTMENTS LLC Hedge Fund•Multi-Strategy	−$75.1M −119.2K shares	$61.9M 98.2K shares
T T. Rowe Price Investment Management, Inc. Insurance Manager	−$55.3M −87.8K shares	$664.1M 1.1M shares
TWO SIGMA ADVISERS, LLC Hedge Fund•Multi-Strategy	−$55.1M −87.5K shares	$9.3M 14.8K shares
UBS GLOBAL ASSET MANAGEMENT AMERICAS INC Long Only Manager	−$51.6M −81.8K shares	$186.6M 296.1K shares
S Squarepoint Ops LLC Hedge Fund•Quant	−$48.6M −77.1K shares	$1.5M 2.4K shares
B BlackRock, Inc. Institution	−$47.8M −75.8K shares	$2.6B 4.2M shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited MLM in Q3 2025

New Positions: 57
New Value: $35.7M
Exited Positions: 63
Exited Value: $148.7M

New Positions

Institution	Position Value
U United Super Pty Ltd in its capacity as Trustee for the Construction & Building Unions Superannuation Fund Institution	$8.7M 13.8K shares
SummitTX Capital, L.P. Hedge Fund•Multi-Strategy	$5.2M 8.2K shares
G Gallo Partners, LP Hedge Fund•Sector	$3.6M 5.7K shares
Mattson Financial Services, LLC RIA/Wealth	$2.6M 4.1K shares
One Madison Group LLC Hedge Fund•Multi-Strategy	$2.5M 4.0K shares
FIRST FINANCIAL BANKSHARES INC Institution	$2.2M 3.4K shares
B Brown Financial Advisors RIA/Wealth	$1.5M 2.4K shares
REUTER JAMES WEALTH MANAGEMENT, LLC RIA/Wealth	$1.3M 2.0K shares
R Redwood Investment Management, LLC Long Only Manager	$1.2M 1.9K shares
CHESAPEAKE CAPITAL CORP /IL/ Long Only Manager	$929.7K 1.5K shares

Exited Positions

Institution	Previous Position
S Shellback Capital, LP Hedge Fund•Long/Short	$26.1M 47.5K shares
T Two Creeks Capital Management, LP Hedge Fund•Long/Short	$21.9M 39.9K shares
B BNP Paribas Investment Partners S.A. Institution	$19.7M 35.9K shares
ExodusPoint Capital Management, LP Hedge Fund•Multi-Strategy	$14.5M 26.3K shares
Regents Gate Capital LLP Hedge Fund•Market Neutral	$12.2M 22.1K shares
S SIH Partners, LLLP Institution	$10.0M 18.3K shares
Marshall Wace LLP Institution	$9.9M 17.9K shares
H HRT FINANCIAL LLC Institution	$6.5M 11.9K shares
CRAMER ROSENTHAL MCGLYNN LLC Long Only Manager	$4.3M 7.8K shares
M MOORE CAPITAL MANAGEMENT, LP Hedge Fund•Global Macro	$3.7M 6.7K shares

Options Activity

Institutions with the largest Call and Put options positions in MLM as of Q3 2025

Call Positions: 12
Call Value: $82.0M
Put Positions: 10
Put Value: $48.1M

Call Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$40.3M 639.0 contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$21.9M 348.0 contracts
J JANE STREET GROUP, LLC Institution	$11.3M 179.0 contracts
W WOLVERINE TRADING, LLC Institution	$2.2M 36.0 contracts
C Cubist Systematic Strategies, LLC Institution	$2.2M 35.0 contracts
UBS Group AG Institution	$1.9M 30.0 contracts
D D. E. Shaw & Co., Inc. Institution	$756.3K 12.0 contracts
Walleye Trading LLC RIA/Wealth	$693.3K 11.0 contracts
TUDOR INVESTMENT CORP ET AL Hedge Fund•Multi-Strategy	$693.3K 11.0 contracts
Walleye Trading Advisors, LLC Hedge Fund•Multi-Strategy	$63.0K 1.0 contracts

Put Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$25.8M 410.0 contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$8.1M 128.0 contracts
Walleye Trading LLC RIA/Wealth	$6.9M 110.0 contracts
J JANE STREET GROUP, LLC Institution	$3.0M 47.0 contracts
W WOLVERINE TRADING, LLC Institution	$1.9M 31.0 contracts
C Cubist Systematic Strategies, LLC Institution	$1.6M 25.0 contracts
Walleye Trading Advisors, LLC Hedge Fund•Multi-Strategy	$504.2K 8.0 contracts
P PEAK6 LLC Institution	$252.1K 4.0 contracts
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	- - contracts
UBS Group AG Institution	- - contracts

Most Committed Institutions

Institutions with MLM as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
C Camrose Capital Investment Partners LLP Institution	-	13.99% $60.3M	0.16% 95.6K shares	Q4 2024 Held for 11 months	$430.9M
STEGINSKY CAPITAL LLC RIA/Wealth	Andrew Dale Steginsky Managing Partner	13.85% $75.4M	0.20% 119.7K shares	Q4 2016 Held for 8y 11m	$544.6M
B Bluegrass Capital Partners LP Institution	-	10.72% $16.4M	0.04% 26.0K shares	Q2 2024 Held for 1y 5m	$152.8M
P Pelham Capital Ltd. Institution	-	9.86% $18.9M	0.05% 30.1K shares	Q1 2025 Held for 8 months	$192.2M
N Nitorum Capital, L.P. Hedge Fund•Long/Short	Seth Damon Rosen Managing Partner	8.81% $50.1M	0.13% 79.5K shares	Q1 2018 Held for 7y 8m	$569.3M
R RDST Capital LLC Hedge Fund•Long/Short	Brian David Pirie Managing Partner	6.50% $70.3M	0.19% 111.6K shares	Q2 2025 Held for 5 months	$1.1B
G GARDNER RUSSO & GARDNER Hedge Fund•Value	Thomas Adrian Russo Chairman	6.38% $433.3M	1.14% 687.5K shares	≤ Q2 2013 Held for 12y 5m+	$6.8B
M MCDONALD CAPITAL INVESTORS INC/CA RIA/Wealth	Andrew J. Mcdonald President	6.17% $99.3M	0.26% 157.5K shares	Q1 2020 Held for 5y 8m	$1.6B
Hawk Ridge Management LLC Hedge Fund•Long/Short	David Graham Brown CIO	5.35% $114.1M	0.30% 181.0K shares	Q4 2024 Held for 11 months	$2.1B
MD SASS INVESTORS SERVICES INC Long Only Manager	Martin Douglas Sass CEO	4.81% $61.3M	0.16% 97.2K shares	Q3 2024 Held for 1y 2m	$1.3B

Hedge Fund Spotlight

Discover hedge funds investing in MLM

CITADEL ADVISORS LLC

Hedge Fund • Multi-Strategy

Portfolio ManagerKenneth Cordele Griffin

Portfolio Value: $122.08B
Positions: 5,531
Last Reported: Q3 2025

Sector Allocation

Position in Martin Marietta Materials

Market Value: $8.0M
Shares Held: 12.7K
Portfolio Weight: 0.01%
Owned Since: 2013-Q2

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