Based on U.S. Department of Labor Form 5500 filings (plan years 2022–2024), 34 U.S. retirement plans report holding Vanguard Institutional Index I in their Schedule of Assets, totaling $897.5M 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 | TRIHEALTH, INC. TRIHEALTH 401(K) RETIREMENT SAVINGS PLAN | CINCINNATI OH | 12,897 | $1.4B | $146.7M |
| 2 | PRESBYTERIAN HEALTHCARE SERVICES PRESBYTERIAN HEALTHCARE SERVICES 403(B) PLAN | ALBUQUERQUE NM | 12,160 | $967.8M | $81.6M |
| 3 | MERCY HEALTH CORPORATION MERCY HEALTH CORPORATION EMPLOYEES RETIREMENT PLAN |
ROCKFORD IL |
| 7,008 |
| $827.7M |
| $75.3M |
| 4 | BOARD OF TRUSTEES, IBEW LOCAL 332 PENSION PLAN PART B IBEW LOCAL 332 PENSION PLAN PART B | SAN JOSE CA | 2,150 | $885.7M | $66.8M |
| 5 | STAMFORD HEALTH, INC. STAMFORD HEALTH SYSTEM DEFINED CONTRIBUTION RETIREMENT PLAN | STAMFORD CT | 3,969 | $504.5M | $54.2M |
| 6 | US RADIOLOGY SPECIALISTS, INC. US RADIOLOGY SPECIALISTS 401(K) RETIREMENT PLAN | RALEIGH NC | 4,664 | $571.0M | $49.3M |
| 7 | TRINITY HEALTH TRINIPLUS RETIREMENT PLAN | MINOT ND | 2,366 | $407.3M | $47.0M |
| 8 | FEDERAL HOME LOAN BANK OF ATLANTA FEDERAL HOME LOAN BANK OF ATLANTA 401(K) SAVINGS PLAN | ATLANTA GA | 348 | $156.7M | $43.3M |
| 9 | AMERICAN CANCER SOCIETY, INC. AMERICAN CANCER SOCIETY 403(B) PLAN | ATLANTA GA | 2,783 | $425.5M | $38.2M |
| 10 | PRESBYTERIAN HEALTHCARE SERVICES PRESBYTERIAN HEALTHCARE SERVICES 401(A) PLAN | ALBUQUERQUE NM | 12,159 | $531.3M | $36.5M |
