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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 %
HIP
1001
HUB Investment Partners
Texas
– -$415K -804 Closed
DS
1002
DRW Securities
Illinois
– -$368K -712 Closed
XT
1003
XTX Topco
Cayman Islands
– -$353K -683 Closed
AA
1004
ALPS Advisors
Colorado
– -$347K -671 Closed
WAM
1005
Weiss Asset Management
Massachusetts
– -$345K -668 Closed
FC
1006
Farringdon Capital
United Kingdom
– -$324K -628 Closed
PIM
1007
Penobscot Investment Management
Massachusetts
– -$294K -570 Closed
PPW
1008
Parcion Private Wealth
Washington
– -$290K -561 Closed
GS
1009
GTS Securities
New York
– -$289K -560 Closed
TWP
1010
Triad Wealth Partners
Kansas
– -$283K -548 Closed
PCM
1011
Polymer Capital Management
New York
– -$276K -535 Closed
GCP
1012
GSA Capital Partners
United Kingdom
– -$275K -532 Closed
MCC
1013
Malaga Cove Capital
California
– -$267K -517 Closed
EP
1014
Edgestream Partners
New Jersey
– -$264K -511 Closed
HSA
1015
HBK Sorce Advisory
Pennsylvania
– -$259K -502 Closed
WA
1016
Wealthstar Advisors
Texas
– -$253K -489 Closed
WPW
1017
Waldron Private Wealth
Pennsylvania
– -$252K -488 Closed
ISWM
1018
Independent Solutions Wealth Management
New York
– -$251K -486 Closed
ONB
1019
Old National Bancorp
Indiana
– -$249K -483 Closed
OF
1020
Optimize Financial
California
– -$246K -477 Closed
MIM
1021
Marco Investment Management
Georgia
– -$245K -475 Closed
MWM
1022
Modera Wealth Management
New Jersey
– -$222K -431 Closed
HCM
1023
Howard Capital Management
Georgia
– -$223K -431 Closed
BOH
1024
Bank of Hawaii
Hawaii
– -$222K -430 Closed
1C
1025
111 Capital
France
– -$221K -427 Closed
39 40
41
42 43