Based on U.S. Department of Labor Form 5500 filings (plan years 2022–2024), 311 U.S. retirement plans report holding Vanguard® 500 Index Fund - Admiral Shares in their Schedule of Assets, totaling $852.7M 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 | IRON WORKERS DISTRICT COUNCIL OF SOUTHERN OHIO & VICINITY IRON WORKERS DISTRICT COUNCIL OF SO OH & VICINITY ANNUITY TRUST | VANDALIA OH | 8,041 | $533.3M | $35.7M |
| 2 | AMUNDSEN DAVIS LLC AMUNDSEN DAVIS LLC 401(K) SALARY SAVINGS PLAN | CHICAGO IL | 437 | $142.6M | $31.4M |
| 3 | VALERO ENERGY CORPORATION |
SAN ANTONIO TX |
| 245 |
| $70.8M |
| $27.8M |
| 4 | HILLSPIRE, LLC HILLSPIRE, LLC RETIREMENT SAVINGS PLAN | PALO ALTO CA | 692 | $94.1M | $22.4M |
| 5 | OPENAI OPCO,LLC OPENAI 401(K) PLAN | SAN FRANCISCO CA | 2,063 | $112.8M | $19.0M |
| 6 | JAMES RIVER GROUP, INC. JAMES RIVER GROUP, INC. 401(K) PLAN | RICHMOND VA | 645 | $100.7M | $14.9M |
| 7 | VALERO ENERGY CORPORATION PREMCOR PENSION PLAN FOR CERTAIN UNION EMPLOYEES | SAN ANTONIO TX | 566 | $36.7M | $14.7M |
| 8 | CELLNETIX LABS, LLC CELLNETIX 401(K) PROFIT SHARING PLAN | TUKWILA WA | 405 | $120.0M | $14.5M |
| 9 | HAWTHORN MEDICAL ASSOCIATES, LLC HAWTHORN MEDICAL ASSOCIATES, LLC PROFIT SHARING PLAN | NORTH DARTMOUTH MA | 145 | $134.9M | $13.4M |
| 10 | WUNDERLICH-MALEC ENGINEERING, INC. WUNDERLICH-MALEC ENGINEERING, INC. PROFIT SHARING AND SALARY REDUCTION PLAN | EDEN PRAIRIE MN | 620 | $126.7M | $13.1M |
