Based on U.S. Department of Labor Form 5500 filings (plan years 2022–2024), 1 U.S. retirement plans report holding Vanguard Extended Duration Treasury Index Fund Institutional Shares Registered investment company in their Schedule of Assets, totaling $29.5M 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 | LEIDOS BIOMEDICAL RESEARCH, INC. LEIDOS BIOMEDICAL RESEARCH, INC. RETIREMENT PLAN | FREDERICK MD | 436 | $235.4M | $29.5M |
