Based on U.S. Department of Labor Form 5500 filings (plan years 2022–2024), 28 U.S. retirement plans report holding Massmutual Mid Cap Growth I Mutual fund in their Schedule of Assets, totaling $32.8M 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 | NORTHWESTERN UNIVERSITY NORTHWESTERN UNIVERSITY RETIREMENT PLAN | EVANSTON IL | 10,023 | $4.4B | $12.9M |
| 2 | AGILYSYS, INC. THE RETIREMENT PLAN OF AGILYSYS, INC. | ALPHARETTA GA | 498 | $138.3M | $5.3M |
| 3 | HEARTHSIDE FOOD SOLUTIONS LLC HEARTHSIDE FOOD SOLUTIONS 401(K) PLAN | DOWNERS GROVE IL | 8,997 | $280.1M | $2.6M |
| 4 | MIRION TECHNOLOGIES, INC. MIRION TECHNOLOGIES 401(K) PLAN | ATLANTA GA | 1,329 | $201.3M | $2.5M |
| 5 | SIMVENTIONS, INC. SIMVENTIONS RETIREMENT PLAN | FREDERICKSBURG VA | 407 | $57.8M | $1.5M |
| 6 | OLD DOMINION ELECTRIC COOPERATIVE ODEC 401(K) PLAN | GLEN ALLEN VA | 140 | $42.9M | $1.3M |
| 7 | AXOGEN CORPORATION AXOGEN CORPORATION 401(K) PLAN | TAMPA FL | 448 | $37.6M | $1.2M |
| 8 | THE NORTH CAROLINA MUTUAL WHOLESALE DRUG COMPANY, INC. MUTUAL DRUG 401(K) PLAN | DURHAM NC | 95 | $22.7M | $996K |
| 9 | CARMEL PARTNERS MANAGEMENT LLC CARMEL PARTNERS, LLC 401(K) PROFIT SHARING PLAN | SAN FRANCISCO CA | 307 | $49.1M | $636K |
| 10 | SIMPLY GOOD FOODS USA, INC. SIMPLY GOOD FOODS USA, INC. 401(K) PROFIT SHARING PLAN | DENVER CO | 258 | $36.9M | $500K |
