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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 111 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
-39
Holders Change %
-3.98%
% 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
111
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
American Century Companies
Missouri
$177M
2
Eagle Capital Management (New York)
Eagle Capital Management (New York)
New York
$159M
3
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
$1.41B
4
CIBC Private Wealth Group
CIBC Private Wealth Group
Georgia
$313M
5
Diamond Hill Capital Management
Diamond Hill Capital Management
Ohio
$315M

Top Sellers

1
Baillie Gifford & Co
Baillie Gifford & Co
United Kingdom
$600M
2
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
$99.6M
3
T. Rowe Price Investment Management
T. Rowe Price Investment Management
Maryland
$581M
4
Select Equity Group
Select Equity Group
New York
$570M
5
William Blair Investment Management
William Blair Investment Management
Illinois
$140M
Name Holding Trade Value Shares
Change 		Shares
Change %
Cetera Investment Advisers
226
Cetera Investment Advisers
Illinois
$5.67M +$1.23M +2,572 +28%
PIWA
227
Prevail Innovative Wealth Advisors
Kansas
$5.65M +$2.5M +5,229 +79%
WTB
228
Washington Trust Bank
Washington
$5.62M +$72.2K +151 +1%
BCIM
229
British Columbia Investment Management
British Columbia, Canada
$5.59M -$7.17K -15 -0.1%
MCM
230
Mitchell Capital Management
Kansas
$5.54M -$145K -304 -3%
PI
231
PineBridge Investments
New York
$5.52M +$5.52M +11,551 New
MSWM
232
Mader & Shannon Wealth Management
Missouri
$5.41M +$65K +136 +1%
SFA
233
Sequoia Financial Advisors
Ohio
$5.41M +$305K +637 +6%
GWM
234
GDS Wealth Management
Texas
$5.3M +$2.46M +5,141 +87%
ProShare Advisors
235
ProShare Advisors
Maryland
$5.3M +$327K +684 +7%
OAM
236
Oppenheimer Asset Management
New York
$5.25M -$744K -1,557 -12%
JG
237
Jain Global
New York
$5.24M +$5.24M +10,953 New
VAS
238
Vestmark Advisory Solutions
Massachusetts
$5.18M +$2.21M +4,620 +74%
AMI
239
Amica Mutual Insurance
Rhode Island
$5.17M +$319K +668 +7%
WCM
240
Weik Capital Management
Pennsylvania
$5.08M -$33.5K -70 -0.7%
UIM
241
USS Investment Management
United Kingdom
$5.07M – – –
Citadel Advisors
242
Citadel Advisors
Florida
$5.04M -$39.6M -82,796 -89%
AA
243
Ancora Advisors
Ohio
$5.01M -$362K -757 -7%
II
244
IFM Investors
Australia
$4.97M -$195K -407 -4%
SC
245
Skylands Capital
Wisconsin
$4.96M -$28.7K -60 -0.6%
AF
246
Alerus Financial
North Dakota
$4.95M +$4.95M +10,357 New
URS
247
Utah Retirement Systems
Utah
$4.86M – – –
RF
248
Robbins Farley
New Hampshire
$4.81M +$58.8K +123 +1%
Mariner
249
Mariner
Kansas
$4.8M +$47.8K +100 +1%
US Bancorp
250
US Bancorp
Minnesota
$4.76M +$172K +360 +4%
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