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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 %
PS
426
Principal Securities
Iowa
$1.1M – – –
NA
427
NewEdge Advisors
Louisiana
$1.1M -$75K -157 -6%
MCM
428
MAI Capital Management
Ohio
$1.09M -$136K -284 -11%
Jane Street
429
Jane Street
New York
$1.08M -$7.14M -14,943 -87%
AM
430
AGF Management
Ontario, Canada
$1.08M -$580K -1,213 -35%
ACA
431
Aptus Capital Advisors
Alabama
$1.07M +$75.1K +157 +8%
MSFS
432
Main Street Financial Solutions
Pennsylvania
$1.07M +$241K +505 +29%
GAM
433
Griffin Asset Management
New York
$1.06M +$26.3K +55 +3%
OAC
434
OMERS Administration Corp
Ontario, Canada
$1.06M -$175K -365 -14%
VA
435
Vident Advisory
Georgia
$1.05M +$153K +321 +17%
Northwestern Mutual Wealth Management
436
Northwestern Mutual Wealth Management
Wisconsin
$1.04M -$179K -374 -15%
PCM
437
Princeton Capital Management
New Jersey
$1.04M -$20.1K -42 -2%
EF
438
Empirical Finance
Pennsylvania
$1.04M +$26.8K +56 +3%
UCFA
439
United Capital Financial Advisors
Texas
$1.03M +$117K +244 +13%
BB
440
Busey Bank
Illinois
$1.03M -$36.8K -77 -3%
FT
441
Fiduciary Trust
Massachusetts
$1.03M +$159K +332 +18%
Impax Asset Management Group
442
Impax Asset Management Group
United Kingdom
$1.01M +$34.4K +72 +4%
QCM
443
QRG Capital Management
Illinois
$986K +$62.1K +130 +7%
HA
444
Harfst & Associates
Wyoming
$978K +$978K +2,046 New
QCG
445
Quadrant Capital Group
Ohio
$973K +$533K +1,115 +121%
Walleye Capital
446
Walleye Capital
New York
$957K +$932K +1,950 +3,824%
BCM
447
Bornite Capital Management
New York
$956K -$27.7M -58,000 -97%
CG
448
Caprock Group
Idaho
$955K -$113K -237 -11%
MAM
449
Mark Asset Management
New York
$954K +$954K +1,996 New
TMAM
450
Tokio Marine Asset Management
Japan
$949K +$53.1K +111 +6%
16 17
18
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