4 institutions reported holding $493,976 of ASSOCIATED BANC CORP 5.625 DP (ASBPRF) in SEC 13F filings for 2026-06-30. Largest institutional holders: GROUP ONE TRADING LLC ($366,163), SIMPLEX TRADING, LLC ($89,233), THOMPSON INVESTMENT MANAGEMENT, INC. ($38,580), Beck Bode, LLC ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | GROUP ONE TRADING LLC | $366,163 | 11,900 | Added |
| 2 | SIMPLEX TRADING, LLC | $89,233 | 2,900 | Trimmed |
| 3 | THOMPSON INVESTMENT MANAGEMENT, INC. | $38,580 | 2,000 | Hold |
| 4 | Beck Bode, LLC | $0 | 0 | Exited |
来源：SEC 13F 申报文件 · 截至 2026-06-30