Filing
Spy
Filing
Spy
Home
About
MLM
Martin Marietta Materials Inc
MARTIN MARIETTA MATERIALS INC
CUSIP: 573284106
Materials
US
2 holders
Ownership
Activity
2025 Q4
1 of 53 quarters
Total Value
$478.13M
Total Shares
767.9K
Net Share Change
+39.1K
Activity
1 buying
Investor
Value
Shares
Weight
Change
Gardner Russo & Quinn
$452.43M
726.6K
4.9%
ADD
+39.1K
(+5.7%)
Gardner Russo & Quinn
$452.43M
726.6K shares
ADD
+39.1K
(+5.7%)
Weitz Investment Management
$25.70M
41.3K
1.5%
Unchanged
Weitz Investment Management
$25.70M
41.3K shares
Unchanged
MLM — Martin Marietta Materials Inc - FilingSpy