Based on U.S. Department of Labor Form 5500 filings (plan years 2022–2024), 116 U.S. retirement plans report holding Fidelity** FID MID CAP IDX in their Schedule of Assets, totaling $245.8M 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 | THE MITRE CORPORATION THE MITRE CORPORATION TAX SHELTERED ANNUITY PLAN | MCLEAN VA | 12,114 | $5.1B | $80.8M |
| 2 | THE MITRE CORPORATION THE MITRE CORPORATION QUALIFIED RETIREMENT PLAN | MCLEAN VA | 11,989 | $2.8B | $41.9M |
| 3 | JOHN MUIR HEALTH JOHN MUIR HEALTH 403B PLAN |
WALNUT CREEK CA |
| 5,052 |
| $1.4B |
| $15.3M |
| 4 | QUANTUM CORPORATION QUANTUM CORPORATION EMPLOYEE SAVINGS AND INVESTMENT PLAN | SAN JOSE CA | 291 | $267.5M | $12.3M |
| 5 | FIRSTHEALTH OF THE CAROLINAS, INC. FIRSTHEALTH OF THE CAROLINAS, INC. MATCHING SAVINGS PLAN | PINEHURST NC | 6,474 | $450.8M | $8.8M |
| 6 | PROCORE TECHNOLOGIES, INC. PROCORE TECHNOLOGIES RETIREMENT PLAN | CARPINTERIA CA | 3,256 | $345.2M | $7.6M |
| 7 | REDSAIL TECHNOLOGIES, LLC REDSAIL TECHNOLOGIES, LLC RETIREMENT SAVINGS PLAN | SPARTANBURG SC | 821 | $136.7M | $5.3M |
| 8 | ADVANCED ENERGY INDUSTRIES, INC. ADVANCED ENERGY INDUSTRIES, INC. 401(K) PROFIT SHARING PLAN | FORT COLLINS CO | 1,136 | $259.6M | $5.2M |
| 9 | ALTAMED HEALTH SERVICES CORPORATION ALTAMED HEALTH SERVICES CORPORATION 403(B) PLAN | LOS ANGELES CA | 5,614 | $266.5M | $5.1M |
| 10 | ZWANGER & PESIRI RADIOLOGY GROUP ZWANGER & PESIRI RADIOLOGY GROUP 401(K) PLAN | LINDENHURST NY | 1,032 | $114.3M | $3.5M |
