2 institutions reported holding $389,470 of ASPEN INSURANCE HLDG LTD-CALLABLE (AHLPRE) in SEC 13F filings for 2026-06-30. Largest institutional holders: IAT REINSURANCE CO LTD. ($371,000), THOMPSON INVESTMENT MANAGEMENT, INC. ($18,470). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | IAT REINSURANCE CO LTD. | $371,000 | 20,000 | New |
| 2 | THOMPSON INVESTMENT MANAGEMENT, INC. | $18,470 | 1,000 | Hold |
来源：SEC 13F 申报文件 · 截至 2026-06-30