Based on U.S. Department of Labor Form 5500 filings (plan years 2022–2024), 1 U.S. retirement plans report holding Vanguard Mid-Cap Index Fund: Inst'l Plus Shares in their Schedule of Assets, totaling $128.3M 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 | NORTHWESTERN MUTUAL LIFE INS. CO. THE NORTHWESTERN MUTUAL EMPLOYEE SAVINGS PLAN | MILWAUKEE WI | 8,160 | $2.9B | $128.3M |
