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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 %
SWM
526
Spire Wealth Management
Virginia
$598K +$233K +488 +64%
FFM
527
Forum Financial Management
Illinois
$595K -$478 -1 -0.1%
HA
528
Herold Advisors
New York
$591K -$458K -957 -44%
SAM
529
Strategy Asset Managers
California
$589K – – –
UB
530
UMB Bank
Missouri
$586K -$48.8K -102 -8%
EWA
531
EP Wealth Advisors
California
$575K -$12.4K -26 -2%
HBW
532
Hazlett, Burt & Watson
West Virginia
$575K – – –
MPWT
533
MassMutual Private Wealth & Trust
Connecticut
$566K +$19.1K +40 +3%
ATS
534
Ashton Thomas Securities
New York
$564K +$5.26K +11 +0.9%
OBGC
535
O'Brien Greene & Co
Pennsylvania
$556K +$40.2K +84 +8%
TFO
536
Tarbox Family Office
California
$553K – – –
TSMHT
537
Thurston Springer Miller Herd & Titak
Indiana
$552K +$73.1K +153 +15%
Robeco Institutional Asset Management
538
Robeco Institutional Asset Management
Netherlands
$552K – – –
FCP
539
Fidelis Capital Partners
Florida
$551K -$7.06K -14 -1%
GT
540
Greenleaf Trust
Michigan
$548K +$7.17K +15 +1%
CWM
541
Castle Wealth Management
Florida
$546K +$31.1K +65 +6%
AF
542
Allworth Financial
California
$542K -$50.9K -100 -9%
MC
543
Moors & Cabot
Massachusetts
$541K +$23.9K +50 +5%
WA
544
WBH Advisory
Maryland
$534K -$478 -1 -0.1%
RWM
545
Ritholtz Wealth Management
New York
$532K +$118K +246 +28%
QI
546
Qtron Investments
Massachusetts
$531K – – –
WANY
547
Wealthspire Advisors (New York)
New York
$529K -$10K -21 -2%
MFG
548
Merit Financial Group
Georgia
$526K +$140K +292 +36%
FAF
549
Fjarde Ap-fonden
Sweden
$526K -$4.21M -8,800 -89%
TBT
550
Texas Bank & Trust
Texas
$526K – – –
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