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Martin Marietta Materials
MLM

Overview Fund Activity

940 hedge funds and large institutions have $28.1B invested in Martin Marietta Materials in 2025 Q1 according to their latest regulatory filings, with 110 funds opening new positions, 353 increasing their positions, 316 reducing their positions, and 136 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
940
Holders Change
-40
Holders Change %
-4.08%
% of All Funds
12.77%
Holding in Top 10
14
Holding in Top 10 Change
-3
Holding in Top 10 Change %
-17.65%
% of All Funds
0.19%
New
110
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
+$168M
2
Eagle Capital Management (New York)
Eagle Capital Management (New York)
New York
+$159M
3
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
+$129M
4
CIBC Private Wealth Group
CIBC Private Wealth Group
Georgia
+$98.3M
5
Diamond Hill Capital Management
Diamond Hill Capital Management
Ohio
+$88.8M

Top Sellers

1
Baillie Gifford & Co
Baillie Gifford & Co
United Kingdom
-$314M
2
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
-$268M
3
T. Rowe Price Investment Management
T. Rowe Price Investment Management
Maryland
-$188M
4
Select Equity Group
Select Equity Group
New York
-$104M
5
William Blair Investment Management
William Blair Investment Management
Illinois
-$69.5M
Name Holding Trade Value Shares
Change 		Shares
Change %
ARMT
551
Amica Retiree Medical Trust
Rhode Island
$523K -$7.18K -15 -1%
VI
552
Vestcor Inc
New Brunswick, Canada
$523K +$1.43K +3 +0.3%
SAM
553
Smartleaf Asset Management
Massachusetts
$520K +$108K +226 +26%
MSA
554
MUFG Securities Americas
New York
$517K +$86.1K +180 +20%
FWCM
555
Ferguson Wellman Capital Management
Oregon
$513K +$32K +67 +7%
MWM
556
Mission Wealth Management
California
$506K +$506K +1,058 New
FCBT
557
First Citizens Bank & Trust
North Carolina
$502K -$28.2K -59 -5%
DIA
558
Dana Investment Advisors
Wisconsin
$497K -$442K -925 -47%
WG
559
Welch Group
Alabama
$495K – – –
ACM
560
Adalta Capital Management
New York
$490K -$12K -25 -2%
SWA
561
SFMG Wealth Advisors
Texas
$490K – – –
OIA
562
OneDigital Investment Advisors
Kansas
$489K +$1.44K +3 +0.3%
FCI
563
Financial Counselors Inc
Kansas
$489K -$47.8K -100 -9%
PP
564
Prudential plc
United Kingdom
$482K -$299K -626 -38%
RIA
565
Recurrent Investment Advisors
Texas
$481K – – –
DFCM
566
Dark Forest Capital Management
Puerto Rico
$479K +$20.1K +42 +4%
MIM
567
Merrion Investment Management
New Jersey
$478K – – –
CI
568
Corient IA
Florida
$478K +$478K +1,000 New
SC
569
Syon Capital
California
$475K +$49.7K +104 +12%
NWAG
570
Net Worth Advisory Group
Utah
$475K +$10K +21 +2%
BOM
571
Bank of Marin
California
$473K +$45.4K +95 +11%
HAG
572
HighPoint Advisor Group
Illinois
$471K -$46.5K -92 -9%
BEI
573
Benjamin Edwards Inc
Missouri
$469K -$302K -630 -39%
SCM
574
Stonebridge Capital Management
California
$466K – – –
MFIM
575
Mesirow Financial Investment Management
Illinois
$461K +$2.39K +5 +0.5%
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