Based on U.S. Department of Labor Form 5500 filings (plan years 2022–2024), 50 U.S. retirement plans report holding BERKSHIRE HATH-B in their Schedule of Assets, totaling $29.1M in parsed positions. Matched on the normalized security name across each plan’s latest filing and ranked by position size.
| # | Sponsor / Plan | Location | Participants | Plan assets (EOY) | Position |
|---|---|---|---|---|---|
| 1 | TRUSTEES ELECTRICAL WORKERS LOCAL NO.292 DEFINED CONTRIBUTION AND 401K ELECTRICAL WORKERS LOCAL NO. 292 DEFINED CONTRIBUTION AND 401K PLAN | BROOKLYN PARK MN | 5,698 | $1.2B | $2.5M |
| 2 | INTERNATIONAL BROTHERHOOD OF ELECTRICAL WORKERS UNION ELECTRICAL INDUSTRY MASTER TRUST | WASHINGTON DC | — | $819.7M | $2.3M |
| 3 |
CINCINNATI OH |
| 1,302 |
| $307.9M |
| $2.3M |
| 4 | BOARD OF TRUSTEES I.B.E.W. LOCAL 25 RETIREMENT FUND MASTER TRUST I.B.E.W. LOCAL 25 RETIREMENT FUND MASTER TRUST | HAUPPAUGE NY | — | $1.2B | $1.9M |
| 5 | IBEW LOCAL 38 PENSION PLAN I.B.E.W. LOCAL 38 PENSION PLAN | CLEVELAND OH | 1,704 | $446.0M | $1.8M |
| 6 | BOARD OF TRUSTEES, EIGHTH DISTRICT ELECTRICAL PENSION EIGHTH DISTRICT ELECTRICAL PENSION FUND ANNUITY PLAN | LAS VEGAS NV | 22,346 | $1.1B | $1.2M |
| 7 | BUILDING LABORERS 310 PENSION FUND BUILDING LABORERS LOCAL 310 PENSION FUND | CLEVELAND OH | 1,118 | $419.6M | $1.2M |
| 8 | B OF T IBEW LOCAL 640 & AZ CHAPTER NECA DB PENSION PLAN IBEW LOCAL NO 640 & AZ CHAPTER NECA DEFINED BENEFIT PENSION PLAN | PHOENIX AZ | 2,690 | $228.6M | $1.1M |
| 9 | IBEW LOCAL 43 & ELECTRICAL CONTRACTORS PENSION FUND IBEW LOCAL 43 & ELECTRICAL CONTRACTORS PENSION FUND | SYRACUSE NY | 925 | $271.4M | $1.0M |
| 10 | TRUSTEES OF WISCONSIN NECA-IBEW WISCONSIN NECA-IBEW RETIREMENT PLAN | MADISON WI | 2,796 | $715.2M | $1.0M |
