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Martin Marietta Materials

1,062 hedge funds and large institutions have $34.2B invested in Martin Marietta Materials in 2026 Q1 according to their latest regulatory filings, with 102 funds opening new positions, 368 increasing their positions, 370 reducing their positions, and 130 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less ownership

Funds ownership:

less funds holding

Funds holding:

8% less capital invested

Capital invested by funds: $37.1B → $34.2B (-$2.85B)

8% less funds holding in top 10

Funds holding in top 10: 2422 (-2)

22% less first-time investments, than exits

New positions opened: 102 | Existing positions closed: 130

Holders
1,062
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
22
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$92.7M
Puts
$39.7M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
GAM
376
Griffin Asset Management
New York
$2.27M
MFS
377
Mattson Financial Services
Michigan
$2.26M
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
378
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$2.23M
PA
379
Pinnacle Associates
New York
$2.22M
KAS
380
Kestra Advisory Services
Texas
$2.21M
BBHC
381
Brown Brothers Harriman & Co
New York
$2.18M
GAM
382
Generali Asset Management
Italy
$2.17M
MSU
383
Mizuho Securities USA
New York
$2.15M
RLH
384
RD Lewis Holdings
Florida
$2.13M
WCM
385
Weaver Capital Management
Georgia
$2.13M
Rafferty Asset Management
386
Rafferty Asset Management
New York
$2.13M
NRC
387
New Republic Capital
North Carolina
$2.12M
AWA
388
Arkadios Wealth Advisors
Georgia
$2.06M
NB
389
Norinchukin Bank
Japan
$2.04M
HIMCH
390
Hartford Investment Management Co (HIMCO)
Connecticut
$2.02M
HA
391
Harfst & Associates
Wyoming
$2M
II
392
Inspire Investing
Idaho
$1.93M
SIA
393
Schear Investment Advisers
Ohio
$1.93M
BMCM
394
Bryn Mawr Capital Management
Pennsylvania
$1.91M
HNB
395
Huntington National Bank
Ohio
$1.87M
OIMU
396
Osmosis Investment Management UK
United Kingdom
$1.85M
RBI
397
Raiffeisen Bank International
Austria
$1.84M
ALMGDA
398
AG2R La Mondiale Gestion d'Actifs
France
$1.83M
LSERS
399
Louisiana State Employees Retirement System
Louisiana
$1.82M
QCM
400
QRG Capital Management
Illinois
$1.82M