6 institutions reported holding $11.0M of UNUM GROUP (UNMA) in SEC 13F filings for 2026-03-31. Largest institutional holders: IMC-Chicago, LLC ($7.2M), SIMPLEX TRADING, LLC ($3.4M), GROUP ONE TRADING LLC ($365,150), THOMPSON INVESTMENT MANAGEMENT, INC. ($63,606), Financial Gravity Asset Management, Inc. ($7,819). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | IMC-Chicago, LLC | $7.2M | 98,100 | Added |
| 2 | SIMPLEX TRADING, LLC | $3.4M | 46,700 | Added |
| 3 | GROUP ONE TRADING LLC | $365,150 | 5,000 | Added |
| 4 | THOMPSON INVESTMENT MANAGEMENT, INC. | $63,606 | 2,780 | Hold |
| 5 | Financial Gravity Asset Management, Inc. | $7,819 | 8,000 | Hold |
| 6 | BOYD WATTERSON ASSET MANAGEMENT LLC/OH | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31