Based on U.S. Department of Labor Form 5500 filings (plan years 2022–2024), 10 U.S. retirement plans report holding Vanguard Vanguard PRIMECAP Fund Admiral Shares in their Schedule of Assets, totaling $164.1M in parsed positions. Matched on the normalized security name across each plan’s latest filing and ranked by position size.
| # | Sponsor / Plan | Location | Participants | Plan assets (EOY) | Position |
|---|---|---|---|---|---|
| 1 | ON SEMICONDUCTOR CORPORATION ONSEMI 401(K) PLAN | SCOTTSDALE AZ | 3,995 | $1.2B | $59.2M |
| 2 | SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC ONSEMI 401(K) PLAN | SCOTTSDALE AZ | 3,794 | $1.3B | $50.8M |
| 3 | JACKSON WALKER LLP JACKSON WALKER LLP QUALIFIED RETIREMENT PLAN I |
DALLAS TX |
| 490 |
| $309.0M |
| $14.0M |
| 4 | ILLINOIS BONE AND JOINT INSTITUTE, LLC ILLINOIS BONE AND JOINT INSTITUTE, LLC PROFIT SHARING AND SAVINGS PLAN | DES PLAINES IL | 2,354 | $287.0M | $12.9M |
| 5 | JACKSON WALKER LLP JACKSON WALKER LLP QUALIFIED RETIREMENT PLAN II | DALLAS TX | 514 | $207.0M | $11.5M |
| 6 | THE WALDINGER CORPORATION THE WALDINGER CORPORATION PROFIT SHARING AND SAVINGS PLAN | DES MOINES IA | 2,128 | $198.7M | $8.9M |
| 7 | INMARSAT, INC. INMARSAT 401(K) RETIREMENT SAVINGS PLAN | WASHINGTON DC | 99 | $51.7M | $5.6M |
| 8 | THE AMERICAN INSTITUTE OF ARCHITECTS THE AMERICAN INSTITUTE OF ARCHITECTS EMPLOYEES' SAVINGS PLAN | WASHINGTON DC | 152 | $60.3M | $714K |
| 9 | ON SEMICONDUCTOR CORPORATION ONSEMI UNION SAVINGS AND RETIREMENT PLAN | SCOTTSDALE AZ | 102 | $13.2M | $191K |
| 10 | SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC ONSEMI UNION SAVINGS AND RETIREMENT PLAN | SCOTTSDALE AZ | 91 | $12.2M | $137K |
