U.S. retirement plans whose Form 5500 Schedule of Assets reports this exact fund, parsed from filing PDFs and ranked by position size. Matched on the normalized security name across every plan’s latest filing.
| # | Sponsor / Plan | Location | Participants | Plan assets (EOY) | Position |
|---|---|---|---|---|---|
| 1 | ALLIANT ENERGY CORPORATE SERVICES, INC. ALLIANT ENERGY CORPORATION MASTER RETIREMENT TRUST | MADISON WI | — | $715.8M | $11.5M |
| 2 | WISCONSIN POWER & LIGHT COMPANY WISCONSIN POWER & LIGHT CO. RETIREMENT PLAN B | MADISON WI | 208 | $248.2M | $3.0M |
| 3 | ALLIANT ENERGY CORPORATE SERVICES INC ALLIANT ENERGY CASH BALANCE PENSION PLAN | MADISON WI | 273 | $225.9M | $2.6M |