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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.

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 Market Value Shares Shares
Change 		Shares
Change %
State Board of Administration of Florida Retirement System
101
State Board of Administration of Florida Retirement System
Florida
$29.1M 60,964 – –
Janus Henderson Group
102
Janus Henderson Group
United Kingdom
$27.3M 57,069 +36 +0.1%
ACM
103
Atika Capital Management
New York
$26.6M 55,633 +8,533 +18%
TCM
104
Tran Capital Management
California
$26.6M 55,616 +5,000 +10%
GIA
105
Gateway Investment Advisers
Ohio
$26.1M 54,549 +1,115 +2%
First Trust Advisors
106
First Trust Advisors
Illinois
$25.9M 54,211 +11,618 +27%
KBC Group
107
KBC Group
Belgium
$25.3M 52,822 -624 -1%
State of Wisconsin Investment Board
108
State of Wisconsin Investment Board
Wisconsin
$24.1M 50,386 +6,613 +15%
FFM
109
Fisher Funds Management
New Zealand
$23.9M 49,896 +7,323 +17%
Stifel Financial
110
Stifel Financial
Missouri
$22.9M 47,820 +1,819 +4%
HighTower Advisors
111
HighTower Advisors
Illinois
$22.9M 47,813 +108 +0.2%
OIAM
112
OFI Invest Asset Management
France
$22.6M 51,016 +19,436 +62%
AQR Capital Management
113
AQR Capital Management
Connecticut
$22.2M 46,818 +15,162 +48%
National Bank of Canada
114
National Bank of Canada
Quebec, Canada
$22.1M 46,120 +17,493 +61%
SI
115
Stephens Inc
Arkansas
$21.9M 45,728 +13,485 +42%
Arrowstreet Capital
116
Arrowstreet Capital
Massachusetts
$21.4M 44,762 +44,762 New
Aviva
117
Aviva
United Kingdom
$20.4M 42,704 +5,876 +16%
PNC Financial Services Group
118
PNC Financial Services Group
Pennsylvania
$19.9M 41,720 +7,341 +21%
LPL Financial
119
LPL Financial
California
$19.9M 41,534 +2,932 +8%
WHG
120
Westwood Holdings Group
Texas
$19.8M 41,322 -1,071 -3%
WIM
121
Weitz Investment Management
Nebraska
$19.7M 41,275 +600 +1%
New York State Teachers Retirement System (NYSTRS)
122
New York State Teachers Retirement System (NYSTRS)
New York
$19.7M 41,266 -3,801 -8%
WP
123
Woodline Partners
California
$19M 39,707 +4,869 +14%
SO
124
STRS Ohio
Ohio
$18.9M 39,500 -1,174 -3%
Bank of Montreal
125
Bank of Montreal
Ontario, Canada
$18.8M 39,232 -9,678 -20%
3 4
5
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