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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
RC
76
RDST Capital
Washington
$56M
Two Sigma Investments
77
Two Sigma Investments
New York
$55.5M
IP
78
Interval Partners
New York
$55.4M
Russell Investments Group
79
Russell Investments Group
United Kingdom
$54.2M
Arrowstreet Capital
80
Arrowstreet Capital
Massachusetts
$53.9M
OMG
81
One Madison Group
New York
$53.6M
QCMNJ
82
Quantum Capital Management (New Jersey)
New Jersey
$53.2M
National Pension Service
83
National Pension Service
South Korea
$52.7M
TD Asset Management
84
TD Asset Management
Ontario, Canada
$52.3M
FAM
85
Fenimore Asset Management
New York
$52M
BNP Paribas Financial Markets
86
BNP Paribas Financial Markets
France
$48.5M
Jones Financial Companies
87
Jones Financial Companies
Missouri
$48.3M
LFG
88
Lazard Frères Gestion
France
$48.1M
CS
89
Cannell & Spears
New York
$47.8M
BNP Paribas Asset Management
90
BNP Paribas Asset Management
France
$46.4M
AllianceBernstein
91
AllianceBernstein
Tennessee
$46.4M
Mitsubishi UFJ Trust & Banking
92
Mitsubishi UFJ Trust & Banking
Japan
$44.4M
TCM
93
TimesSquare Capital Management
New York
$43.1M
Canada Pension Plan Investment Board
94
Canada Pension Plan Investment Board
Ontario, Canada
$42.1M
WP
95
Woodline Partners
California
$41.8M
California State Teachers Retirement System (CalSTRS)
96
California State Teachers Retirement System (CalSTRS)
California
$41.3M
GGHC
97
Gilder Gagnon Howe & Co
New York
$40.7M
AQR Capital Management
98
AQR Capital Management
Connecticut
$37.6M
HP
99
Harvey Partners
New York
$37.6M
HIMC
100
Heritage Investors Management Corp
Maryland
$36.6M