Based on U.S. Department of Labor Form 5500 filings (plan years 2022–2024), 5 U.S. retirement plans report holding Vanguard Inst Idx Inst Plus Registered Investment Company in their Schedule of Assets, totaling $1.3B 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 | CALIFORNIA INSTITUTE OF TECHNOLOGY CALTECH BASE RETIREMENT PLAN | PASADENA CA | 10,047 | $5.2B | $380.1M |
| 2 | COMMSCOPE, INC. COMMSCOPE, INC. RETIREMENT SAVINGS PLAN | CLAREMONT NC | 4,135 | $2.1B | $334.8M |
| 3 | CALIFORNIA INSTITUTE OF TECHNOLOGY CALTECH VOLUNTARY RETIREMENT PLAN |
PASADENA CA |
| 7,880 |
| $2.3B |
| $291.1M |
| 4 | GAF, LLC GAF, LLC CAPITAL ACCUMULATION PLANS | PARSIPPANY NJ | — | $1.1B | $177.0M |
| 5 | PERKINS COIE LLP PERKINS COIE RETIREMENT AND 401(K) PLAN | SEATTLE WA | 1,683 | $1.3B | $138.3M |
