Based on U.S. Department of Labor Form 5500 filings (plan years 2022–2024), 2 U.S. retirement plans report holding Vanguard Institutional Index Fund, Instl in their Schedule of Assets, totaling $24.0M in parsed positions. Matched on the normalized security name across each plan’s latest filing and ranked by position size.
Open any plan below to unlock verified email + phone for its decision-makers — the Form 5500 signer, CFO, and HR & Benefits leads.
| # | Sponsor / Plan | Location | Participants | Plan assets (EOY) | Position |
|---|---|---|---|---|---|
| 1 | SUMCO PHOENIX CORPORATION SUMCO PHOENIX CORPORATION SAVINGS AND RETIREMENT PLAN | PHOENIX AZ | 618 | $148.5M | $18.8M |
| 2 | JOHNSON MATTHEY INC. JOHNSON MATTHEY INC. HOURLY 401(K) PLAN | WAYNE PA | 396 | $44.5M | $5.1M |
