Based on U.S. Department of Labor Form 5500 filings (plan years 2022–2024), 235 U.S. retirement plans report holding Fid Mid Cap Idx Mutual fund - in their Schedule of Assets, totaling $318.9M in parsed positions. Matched on the normalized security name across each plan’s latest filing and ranked by position size.
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| # | Sponsor / Plan | Location | Participants | Plan assets (EOY) | Position |
|---|---|---|---|---|---|
| 1 | IRON MOUNTAIN INCORPORATED THE IRON MOUNTAIN COMPANIES 401(K) PLAN | ROYERSFORD PA | 10,113 | $943.1M | $53.3M |
| 2 | ROKU, INC. ROKU, INC. 401(K) PLAN | SAN JOSE CA | 2,427 | $363.0M | $8.5M |
| 3 | SILLS CUMMIS & GROSS P.C. SILLS CUMMIS & GROSS P.C. DEFINED CONTRIBUTION PLAN |
NEWARK NJ |
| 140 |
| $140.4M |
| $7.0M |
| 4 | UNIVERSAL TECHNICAL INSTITUTE, INC. UNIVERSAL TECHNICAL INSTITUTE, INC. 401(K) PLAN | PHOENIX AZ | 3,891 | $188.3M | $6.6M |
| 5 | GRAND CANYON EDUCATION, INC. GRAND CANYON EDUCATION EMPLOYEES 401(K) PLAN | PHOENIX AZ | 4,745 | $191.7M | $5.8M |
| 6 | MAPLEBEAR INC. D/B/A INSTACART MAPLEBEAR INC. D/B/A INSTACART RETIREMENT PLAN | SAN FRANCISCO CA | 2,641 | $297.0M | $5.8M |
| 7 | UNIVERSAL TECHNICAL INSTITUTE, INC. UNIVERSAL TECHNICAL INSTITUTE, INC. 401(K) PLAN | PHOENIX AZ | 3,502 | $159.0M | $5.8M |
| 8 | IPSEN BIOPHARMACEUTICALS, INC IPSEN BIOPHARMACEUTICALS, INC. U.S. 401(K) PLAN | BERKELEY HEIGHTS NJ | 683 | $205.8M | $5.7M |
| 9 | RADIANCE TECHNOLOGIES RADIANCE TECHNOLOGIES, INC. 401(K) PROFIT SHARING PLAN | HUNTSVILLE AL | 2,432 | $170.2M | $5.6M |
| 10 | BOX, INC. BOX, INC. 401(K) PLAN | REDWOOD CITY CA | 1,823 | $282.9M | $5.3M |
