4 institutions reported holding $166,345 of SELLAS LIFE SCIENCES GROUP, INC. (SLS) in SEC 13F filings for 2026-06-30. Largest institutional holders: FIRST FINANCIAL BANK - TRUST DIVISION ($147,600), CoreCap Advisors, LLC ($10,184), GAMMA Investing LLC ($8,207), MassMutual Private Wealth & Trust, FSB ($354). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | FIRST FINANCIAL BANK - TRUST DIVISION | $147,600 | 10,000 | Hold |
| 2 | CoreCap Advisors, LLC | $10,184 | 690 | New |
| 3 | GAMMA Investing LLC | $8,207 | 556 | Trimmed |
| 4 | MassMutual Private Wealth & Trust, FSB | $354 | 24 | New |
Source: SEC Form 13F filings · as of 2026-06-30