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Martin Marietta Materials
MLM

Overview Fund Activity

941 hedge funds and large institutions have $28.1B invested in Martin Marietta Materials in 2025 Q1 according to their latest regulatory filings, with 112 funds opening new positions, 353 increasing their positions, 316 reducing their positions, and 136 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
941
Holders Change
-38
Holders Change %
-3.88%
% of All Funds
12.79%
Holding in Top 10
14
Holding in Top 10 Change
-3
Holding in Top 10 Change %
-17.65%
% of All Funds
0.19%
New
112
Increased
353
Reduced
316
Closed
136
Calls
$73.4M
Puts
$59.7M
Net Calls
+$13.7M
Net Calls Change
+$14M

Top Buyers

1
American Century Companies
1
American Century Companies
Missouri
$177M
2
Eagle Capital Management (New York)
2
Eagle Capital Management (New York)
New York
$159M
3
JPMorgan Chase & Co
3
JPMorgan Chase & Co
New York
$1.41B
4
CIBC Private Wealth Group
4
CIBC Private Wealth Group
Georgia
$313M
5
Diamond Hill Capital Management
5
Diamond Hill Capital Management
Ohio
$315M

Top Sellers

1
Baillie Gifford & Co
1
Baillie Gifford & Co
United Kingdom
$600M
2
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$99.6M
3
T. Rowe Price Investment Management
3
T. Rowe Price Investment Management
Maryland
$581M
4
Select Equity Group
4
Select Equity Group
New York
$570M
5
William Blair Investment Management
5
William Blair Investment Management
Illinois
$140M
Name Holding Trade Value Shares
Change 		Shares
Change %
1832 Asset Management
76
1832 Asset Management
Ontario, Canada
$49.2M +$47.3M +98,925 +2,500%
NC
77
Nitorum Capital
New York
$47.8M -$5.16M -10,791 -10%
Russell Investments Group
78
Russell Investments Group
United Kingdom
$47.7M -$5.31M -11,103 -10%
GT
79
Glenmede Trust
Pennsylvania
$44.1M +$1M +2,097 +2%
Natixis Advisors
80
Natixis Advisors
Massachusetts
$42.8M -$5.19M -10,855 -11%
Federated Hermes
81
Federated Hermes
Pennsylvania
$42.7M -$1.31M -2,750 -3%
FAM
82
Fenimore Asset Management
New York
$40.1M +$1.88M +3,933 +5%
National Pension Service
83
National Pension Service
South Korea
$39.8M +$6.24M +13,051 +19%
TCCM
84
Two Creeks Capital Management
New York
$37.5M +$37.5M +78,493 New
GGHC
85
Gilder Gagnon Howe & Co
New York
$36.2M +$4.37M +9,131 +14%
BNP Paribas Financial Markets
86
BNP Paribas Financial Markets
France
$36M -$28.1M -58,770 -44%
P3I
87
Progeny 3 Inc
Washington
$35.7M +$35.7M +74,580 New
California Public Employees Retirement System
88
California Public Employees Retirement System
California
$35.3M -$11.2M -23,463 -24%
California State Teachers Retirement System (CalSTRS)
89
California State Teachers Retirement System (CalSTRS)
California
$34.8M -$69.3K -145 -0.2%
Corient Private Wealth
90
Corient Private Wealth
Florida
$33.6M -$364K -762 -1%
Qube Research & Technologies (QRT)
91
Qube Research & Technologies (QRT)
United Kingdom
$33.3M -$33.5M -69,967 -50%
BTCPP
92
Border to Coast Pensions Partnership
United Kingdom
$32.7M +$32.7M +68,411 New
AllianceBernstein
93
AllianceBernstein
Tennessee
$32.5M -$190K -397 -0.6%
HIMC
94
Heritage Investors Management Corp
Maryland
$31.6M +$1.1M +2,311 +4%
CCIP
95
Camrose Capital Investment Partners
United Kingdom
$30.8M +$21.5M +45,051 +233%
CM
96
Cercano Management
Washington
$30.4M – – –
MGP
97
M&G plc
United Kingdom
$30.3M – – –
CWM
98
Congress Wealth Management
Massachusetts
$30.1M +$491K +1,026 +2%
CIM
99
Confluence Investment Management
Missouri
$29.9M -$95.6K -200 -0.3%
Credit Agricole
100
Credit Agricole
France
$29.5M +$3.72M +7,775 +14%
2 3
4
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