Based on U.S. Department of Labor Form 5500 filings (plan years 2022–2024), 1 U.S. retirement plans report holding Vanguard S&P Mid Cap 400 Index Institutional Registered investment company in their Schedule of Assets, totaling $8.0M 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 | OREGON - COLUMBIA CHAPTER AGC NORTHWEST AGC CHAPTERS RETIREMENT PLAN | WILSONVILLE OR | 3,426 | $328.1M | $8.0M |
