Based on U.S. Department of Labor Form 5500 filings (plan years 2022–2024), 20 U.S. retirement plans report holding Martin Marietta Materials Common stock in their Schedule of Assets, totaling $18.0M in parsed positions. Matched on the normalized security name across each plan’s latest filing and ranked by position size.
Open any plan below to unlock verified email + phone for its decision-makers — the Form 5500 signer, CFO, and HR & Benefits leads.
| # | Sponsor / Plan | Location | Participants | Plan assets (EOY) | Position |
|---|---|---|---|---|---|
| 1 | COSTCO WHOLESALE CORPORATION COSTCO 401K RETIREMENT PLAN | ISSAQUAH WA | 212,976 | $41.0B | $16.0M |
| 2 | TRUSTEES OF SHEET METAL WORKERS LOCAL UNION NO. 80 PENSION FUND SHEET METAL WORKERS LOCAL UNION NO. 80 PENSION FUND | TROY MI | 1,348 | $421.7M | $696K |
| 3 | CARNEGIE HALL CORPORATION |
NEW YORK NY |
| 210 |
| $43.1M |
| $323K |
| 4 | BOSTON SYMPHONY ORCHESTRA INC. BOSTON SYMPHONY ORCHESTRA PENSIONS TRUST FUND | BOSTON MA | — | $110.9M | $261K |
| 5 | LOCAL 4911 V.E.B.A C/O BENEFITS ADMINISTRATIVE SERVICE VOLUNTARY LOCAL 4911 RETIREE MEDICAL FUND | RICHMOND HEIGHTS OH | 2,656 | $33.6M | $133K |
| 6 | JT BD OF TRUSTEES, SIGN PICTORIAL DISPLAY UN LOCAL 591 AFLCIO PEN FD SIGN, PICTORIAL AND DISPLAY UNION LOCAL NO. 591 AFL-CIO PENSION FUND | BINGHAM FARMS MI | 37 | $19.4M | $105K |
| 7 | BOARD OF TRUSTEES, IATSE LOCAL 38 PENSION FUND IATSE LOCAL 38 PENSION PLAN | TROY MI | 1,002 | $36.2M | $72K |
| 8 | TRUSTEES OF MICHIGAN ELECTRICAL EMPLOYEES' HEALTH PLAN MICHIGAN ELECTRICAL EMPLOYEES' HEALTH PLAN | MADISON HEIGHTS MI | 3,296 | $69.0M | $70K |
| 9 | SHEET METAL WORKERS LOCAL NO. 80 INSURANCE TRUST FUND SHEET METAL WORKERS LOCAL UNION NO. 80 INSURANCE TRUST FUND | TROY MI | 1,429 | $30.4M | $60K |
| 10 | BOARD OF TRUSTEES, IBEW LOCAL 445 PENSION FUND PENSION PLAN OF THE INTERNATIONAL BROTHERHOOD OF ELECTRICAL WORKERS LOCAL NO. 445 PENSION FUND | MADISON HEIGHTS MI | 249 | $33.8M | $58K |
