Based on U.S. Department of Labor Form 5500 filings (plan years 2022–2024), 116 U.S. retirement plans report holding Vanguard Explorer-Adm in their Schedule of Assets, totaling $178.6M 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 | MAYO CLINIC MAYO 403(B) PLAN | ROCHESTER MN | 87,000 | $12.8B | $57.5M |
| 2 | BOARD OF DIRECTORS OF THE IBEW LOCALS' SAVING & RETIREMENT GROUP TRUST INTERNATIONAL BROTHERHOOD OF ELECTRICAL WORKERS LOCAL UNIONS SAVINGS & SECURITY PLAN | IRVINGTON NY | 348 | $742.0M | $28.5M |
| 3 | ONPOINT COMMUNITY CREDIT UNION |
PORTLAND OR |
| 1,216 |
| $182.7M |
| $8.9M |
| 4 | PLUMBERS AND PIPEFITTERS LOCAL 553 PLUMBERS AND PIPEFITTERS LOCAL 553 SUPPLEMENTAL 401K RETIREMENT PLAN | EAST ALTON IL | 276 | $102.3M | $7.8M |
| 5 | ASPHALT MATERIALS, INC. HERITAGE GROUP RETIREMENT SAVINGS PLAN | INDIANAPOLIS IN | 2,325 | $556.8M | $7.5M |
| 6 | MORTON INVESTMENT COMPANY LLC MORTON SALT 401(K) SAVINGS PLAN | OVERLAND PARK KS | 1,845 | $356.5M | $6.3M |
| 7 | COMPASS HEALTH, INC. COMPASS HEALTH, INC. 401(K) PLAN | CLINTON MO | 5,000 | $211.5M | $5.2M |
| 8 | ARCWOOD ENVIRONMENTAL, LLC HERITAGE ENVIRONMENTAL SERVICES, LLC RETIREMENT SAVINGS PLAN | INDIANAPOLIS IN | 1,794 | $222.9M | $2.9M |
| 9 | WESTWOOD PROFESSIONAL SERVICES, INC. WESTWOOD PROFESSIONAL SERVICES, INC. 401(K) PROFIT SHARING PLAN | PLANO TX | 1,590 | $200.9M | $2.8M |
| 10 | CAL-MAINE FOODS, INC. CAL-MAINE FOODS, INC. KSOP | RIDGELAND MS | 3,160 | $291.2M | $2.8M |
