Based on U.S. Department of Labor Form 5500 filings (plan years 2022–2024), 6 U.S. retirement plans report holding The Vanguard Group Vanguard Institutional Index Fund: Inst'l Shares in their Schedule of Assets, totaling $387.7M 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 | BYTEDANCE INC BYTEDANCE 401(K) PLAN | CULVER CITY CA | 12,861 | $918.9M | $144.5M |
| 2 | PREMERA PREMERA 401(K) SAVINGS PLAN | MOUNTLAKE TERRACE WA | 3,290 | $668.4M | $108.3M |
| 3 | HAMPTON RESOURCES, INC. HAMPTON LUMBER RETIREMENT PLAN | PORTLAND OR |
| 1,327 |
| $313.9M |
| $47.5M |
| 4 | ICONECTIV, LLC ICONECTIV 401(K) PLAN | BRIDGEWATER NJ | 408 | $239.2M | $44.7M |
| 5 | CFA INSTITUTE CFA INSTITUTE 401(K) PLAN | CHARLOTTESVILLE VA | 403 | $240.4M | $33.1M |
| 6 | NIBCO INC. NIBCO INC. PROFIT SHARING & 401(K) SAVINGS PLAN | ELKHART IN | 1,051 | $144.8M | $9.6M |
