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 Institutional Shares Registered investment companies in their Schedule of Assets, totaling $78.3M 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 | THE JOHNS HOPKINS UNIVERSITY APPLIE D PHYSICS LABORATORY LLC JHU/APL THE JOHNS HOPKINS UNIVERSITY APPLIED PHYSICS LABORATORY PENSION PLAN B | LAUREL MD | 9,322 | $3.0B | $37.8M |
| 2 | THE JOHNS HOPKINS UNIVERSITY APPLIE D PHYSICS LABORATORY LLC JHU/APL THE JOHNS HOPKINS UNIVERSITY APPLIED PHYSICS LABORATORY PENSION PLAN A | LAUREL MD | 8,731 | $3.0B | $34.3M |
| 3 |
RESTON VA |
| 513 |
| $107.7M |
| $3.3M |
| 4 | AMERICAN COLLEGE OF RADIOLOGY AMERICAN COLLEGE OF RADIOLOGY 403(B) PLAN | RESTON VA | 511 | $80.0M | $2.8M |
