Martin Marietta Materials Inc MARTIN MAR MTLS is a security (CUSIP 573284AU0) tracked across SEC portfolio filings. 3 registered fund positions totaling $581K via N-PORT as of 2026-05-31.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| VANGUARD BALANCED INDEX FUND | VANGUARD VALLEY FORGE FUNDS | $480K | 0.08% |
| BlackRock Total Return Fund | BlackRock Bond Fund, Inc. | $81K | 0.05% |
| Core Fixed Income Fund | MORGAN STANLEY PATHWAY FUNDS | $20K | 0.11% |