5 institutions reported holding $5.6M of AFFILIATED MANAGERS GROUP PFD (MGRE) in SEC 13F filings for 2026-06-30. Largest institutional holders: SHIKIAR ASSET MANAGEMENT INC ($1.9M), IAT REINSURANCE CO LTD. ($1.8M), IMC-Chicago, LLC ($1.1M), SIMPLEX TRADING, LLC ($473,760), Sterling Capital Management LLC ($412,776). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | SHIKIAR ASSET MANAGEMENT INC | $1.9M | 81,000 | Trimmed |
| 2 | IAT REINSURANCE CO LTD. | $1.8M | 80,000 | Hold |
| 3 | IMC-Chicago, LLC | $1.1M | 3,200 | New |
| 4 | SIMPLEX TRADING, LLC | $473,760 | 1,400 | Added |
| 5 | Sterling Capital Management LLC | $412,776 | 18,200 | Hold |
Source: SEC Form 13F filings · as of 2026-06-30