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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 %
GFL
901
Granite FO LLC
New Hampshire
$2.87K – – –
CWA
902
Carolina Wealth Advisors
South Carolina
$2.87K – – –
RS
903
Rakuten Securities
Japan
$2.87K +$2.87K +6 New
OP
904
ORG Partners
Indiana
$2.42K +$2.42K +5 New
MAM
905
Morse Asset Management
Connecticut
$2.39K – – –
KFI
906
Key Financial Inc
Pennsylvania
$2.39K – – –
SIC
907
SJS Investment Consulting
Ohio
$2.39K +$478 +1 +25%
PCM
908
Penserra Capital Management
California
$2K -$51.7K -155 -96%
HFS
909
Hughes Financial Services
Virginia
$1.94K +$1.94K +4 New
TCM
910
TD Capital Management
Tennessee
$1.92K – – –
TFM
911
TFC Financial Management
Massachusetts
$1.91K -$5.26K -11 -73%
HWA
912
Heritage Wealth Advisors
Virginia
$1.91K -$2.87K -6 -60%
TC
913
Tacita Capital
Ontario, Canada
$1.91K – – –
DWM
914
Dogwood Wealth Management
Kansas
$1.91K +$1.91K +4 New
WT
915
Washington Trust
Rhode Island
$1.43K -$5.74K -12 -80%
BC
916
Barrett & Company
Rhode Island
$1.43K – – –
HC
917
Hara Capital
Washington
$1.43K +$1.43K +3 New
BC
918
Bayforest Capital
United Kingdom
$1.43K +$1.43K +3 New
BHWM
919
Beaird Harris Wealth Management
Texas
$957 – – –
WCM
920
WealthTrak Capital Management
Virginia
$957 – – –
WTFG
921
Wood Tarver Financial Group
Idaho
$957 – – –
HHGA
922
Halbert Hargrove Global Advisors
California
$957 +$957 +2 New
WA
923
WPG Advisers
Maryland
$956 – – –
Kayne Anderson Rudnick Investment Management
924
Kayne Anderson Rudnick Investment Management
California
$956 – – –
JAM
925
JCIC Asset Management
Ontario, Canada
$956 – – –
35 36
37
38 39