Based on U.S. Department of Labor Form 5500 filings (plan years 2022–2024), 4 U.S. retirement plans report holding Vanguard Mid-Cap Index Fund Investor Shares Registered Investment Company in their Schedule of Assets, totaling $4.4M 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 | SAI CONSULTING ENGINEERS, INC. SAI CONSULTING ENGINEERS, INC. 401(K) RS PLAN | PITTSBURGH PA | 139 | $47.9M | $1.5M |
| 2 | BOURNS, INC. BOURNS, INC. PROFIT SHARING & RETIREMENT SAVINGS PLAN | RIVERSIDE CA | 287 | $148.3M | $1.5M |
| 3 | RANCOCAS ANESTHESIOLOGY, P.A. |
MT. LAUREL NJ |
| 112 |
| $77.6M |
| $1.2M |
| 4 | MACDONALD, ILLIG, JONES & BRITTON LLP MACDONALD, ILLIG, JONES & BRITTON 401(K) RETIREMENT PLAN | ERIE PA | 91 | $82.4M | $153K |