Based on U.S. Department of Labor Form 5500 filings (plan years 2022–2024), 1 U.S. retirement plans report holding Vanguard Mortgage-Backed Secs Index Fund in their Schedule of Assets, totaling $146K 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 | BOARD OF TRUSTEES OF MADISON AREA CONSTRUCTION EMPLOYEES TRUST - HEALT MADISON AREA CONSTRUCTION EMPLOYEES TRUST HEALTH & WELFARE | MADISON WI | 867 | $25.2M | $146K |
