Based on U.S. Department of Labor Form 5500 filings (plan years 2022–2024), 2,430 U.S. retirement plans report holding a MassMutual / MML fund in their Schedule of Assets, totaling $15.0B in parsed positions. The plans below are ranked by position size, parsed directly from each plan’s Form 5500 filing.
| # | Sponsor / Plan | Location | Participants | Plan assets (EOY) | MassMutual / MML position |
|---|---|---|---|---|---|
| 1 | TRANSOCEAN INTERNATIONAL LIMITED TRANSOCEAN U.S. RETIREMENT PLAN | — | 765 | $1.2B | $1.1B |
| 2 | NATIONAL MEDICAL CARE, INC. FRESENIUS MEDICAL CARE NORTH AMERICA 401(K) SAVINGS PLAN | WALTHAM MA | 61,883 | $4.4B | $980.6M |
| 3 | TRUSTEES OF PIPE FITTERS ASSOCIATION LOCAL 597 |
CHICAGO IL |
| 9,410 |
| $2.5B |
| $517.4M |
| 4 | BOARD OF TRUSTEES IBEW LOCAL 1049 IBEW LOCAL 1049 CRAFT ANNUITY FUND | HOLTSVILLE NY | 3,321 | $349.2M | $322.6M |
| 5 | FLIGHTSAFETY INTERNATIONAL INC. FLIGHTSAFETY EMPLOYEES' 401(K) RETIREMENT PLAN | COLUMBUS OH | 4,590 | $957.9M | $317.3M |
| 6 | AVAGO TECHNOLOGIES U.S. INC. BROADCOM U.S. 401(K) PLAN | PALO ALTO CA | 15,134 | $13.2B | $255.4M |
| 7 | BOARD OF TRUSTEES OF LOCAL 52 LOCAL 52 401 (K) FUND | MOUNT LAUREL NJ | 5,441 | $561.4M | $209.4M |
| 8 | MCKEE FOODS CORPORATION MCKEE FOODS RETIREMENT PLAN | COLLEGEDALE TN | 7,041 | $1.0B | $203.8M |
| 9 | CBIZ, INC. CBIZ, INC. RETIREMENT SAVINGS PLAN | CLEVELAND OH | 6,992 | $1.4B | $201.8M |
| 10 | ARTHUR J. GALLAGHER (ILLINIOS), LLC. ARTHUR J. GALLAGHER & CO. EMPLOYEES SAVINGS AND THRIFT PLAN | ROLLING MEADOWS IL | 23,895 | $3.9B | $189.6M |
