Based on U.S. Department of Labor Form 5500 filings (plan years 2022–2024), 18 U.S. retirement plans report holding Iron Mountain, Inc. Common Stock in their Schedule of Assets, totaling $1.4M 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 | TRUSTEES OF MICHIGAN ELECTRICAL EMPLOYEES' PENSION FUND MICHIGAN ELECTRICAL EMPLOYEES' PENSION PLAN | MADISON HEIGHTS MI | 2,271 | $544.8M | $302K |
| 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 | $238K |
| 3 | BOARD OF TRUSTEES OF UNITED |
BRAINERD MN |
| 160 |
| $48.8M |
| $148K |
| 4 | BOARD OF TRUSTEES OF CHRISTIAN LABOR CHRISTIAN LABOR ASSOCIATION PENSION TRUST DEFINED CONTRIBUTION PLAN | BRAINERD MN | 1,008 | $46.5M | $140K |
| 5 | TRUSTEES OF MICHIGAN ELECTRICAL EMPLOYEES' HEALTH PLAN MICHIGAN ELECTRICAL EMPLOYEES' HEALTH PLAN | MADISON HEIGHTS MI | 3,296 | $69.0M | $134K |
| 6 | BOARD OF TRUSTEES OF CHRISTIAN LABOR CHRISTIAN LABOR ASSN PENSION TRUST DEFINED BENEFIT PLAN | BRAINERD MN | 381 | $59.0M | $91K |
| 7 | FUERST GROUP, INC. FUERST GROUP 401(K) PLAN | MENLO PARK CA | 482 | $63.5M | $72K |
| 8 | LOCAL UNION 903 PENSION PLAN LOCAL UNION 903 PENSION PLAN | MOBILE AL | 371 | $72.8M | $70K |
| 9 | BOARD OF TRUSTEES, IATSE LOCAL 38 PENSION FUND IATSE LOCAL 38 PENSION PLAN | TROY MI | 1,002 | $36.2M | $39K |
| 10 | 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 | $38K |
