Based on U.S. Department of Labor Form 5500 filings (plan years 2022–2024), 2,528 U.S. retirement plans report holding a MassMutual / MML fund in their Schedule of Assets, totaling $13.9B 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 | NATIONAL MEDICAL CARE, INC. FRESENIUS MEDICAL CARE NORTH AMERICA 401(K) SAVINGS PLAN | WALTHAM MA | 61,883 | $4.4B | $980.6M |
| 2 | TRUSTEES OF PIPE FITTERS ASSOCIATION LOCAL 597 PIPE FITTERS ASSOCIATION L.U. 597, U.A. 401(K) PLA | CHICAGO IL | 9,410 | $2.5B | $517.4M |
| 3 | BOARD OF TRUSTEES IBEW LOCAL 1049 |
HOLTSVILLE NY |
| 3,321 |
| $349.2M |
| $322.6M |
| 4 | FLIGHTSAFETY INTERNATIONAL INC. FLIGHTSAFETY EMPLOYEES' 401(K) RETIREMENT PLAN | COLUMBUS OH | 4,590 | $957.9M | $317.3M |
| 5 | BOARD OF TRUSTEES OF LOCAL 52 LOCAL 52 401 (K) FUND | MOUNT LAUREL NJ | 5,441 | $561.4M | $209.4M |
| 6 | MCKEE FOODS CORPORATION MCKEE FOODS RETIREMENT PLAN | COLLEGEDALE TN | 7,041 | $1.0B | $203.8M |
| 7 | CBIZ, INC. CBIZ, INC. RETIREMENT SAVINGS PLAN | CLEVELAND OH | 6,992 | $1.4B | $201.8M |
| 8 | ARTHUR J. GALLAGHER (ILLINIOS), LLC. ARTHUR J. GALLAGHER & CO. EMPLOYEES SAVINGS AND THRIFT PLAN | ROLLING MEADOWS IL | 23,895 | $3.9B | $189.6M |
| 9 | HDR, INC. HDR, INC. BEST PLAN AND ESOP | OMAHA NE | 12,137 | $7.7B | $172.6M |
| 10 | SOUTHERN GLAZER'S WINE AND SPIRITS, LLC SOUTHERN GLAZER'S 401(K) PLAN | MIAMI FL | 18,219 | $2.1B | $162.3M |
