Which closed-end funds own Martin Marietta Materials Inc?
5 active closed-end funds report this security in their latest N-PORT filing, with a combined reported value of $15.8M. Security type: common equity. Country: United States. CUSIP 573284106 · ISIN US5732841060 · ticker MLM.
Holdings are historical filings (report dates May 29, 2026 – Jul 31, 2026; N-PORT becomes public ~60 days after quarter end), not live positions. Weights are percent of each fund’s net assets. Different instruments of one issuer (shares, bonds, preferreds) are separate securities — see related securities below.
Funds holding this security
| Fund | Category | Weight | Value (USD) | Balance | Fund net assets | Prem/disc | Report date |
|---|---|---|---|---|---|---|---|
| USA Liberty All Star Equity Fund | U.S. Equity | 0.52% | $10.6M | 18,400 sh | $2B | 12.8% discount | Jun 30, 2026 |
| PEO Adams Natural Resources Fund | Energy & Natural Resources | 0.34% | $2.6M | 4,500 sh | $769M | 11.1% discount | Jun 30, 2026 |
| GAB Gabelli Equity Trust | U.S. Equity | 0.12% | $2.9M | 5,000 sh | $2.4B | 6.5% discount | Jun 30, 2026 |
| GOF Guggenheim Strategic Opportunities Fund | Multi-Asset | 0.00% | $18K | 31 sh | $2.8B | 12.9% discount | May 29, 2026 |
| CPZ Calamos Long/Short Equity & Dynamic Income Trust | U.S. Equity | -0.11% | $-294K | -560 sh | $259M | 15.9% discount | Jul 31, 2026 |
5 positions. Source: SEC Form N-PORT via market-data vendor re-serve. Funds without an N-PORT on file cannot appear here.
Also listed in filings as: MARTIN MARIETTA MATERIALS INC; Martin Marietta Materials, Inc..
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