Who Owns SELLAS LIFE SCIENCES GROUP I (SLS)? -- Institutional Holders (2026-06-30)
226 institutions reported holding $1.69B of SELLAS LIFE SCIENCES GROUP I (SLS) in SEC 13F filings for 2026-06-30. Largest institutional holders: BlackRock, Inc. ($222.4M), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($197.7M), STATE STREET CORP ($191.8M), VANGUARD GROUP INC ($177.5M), GROUP ONE TRADING LLC ($117.0M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | BlackRock, Inc. | $222.4M | 15.1M | Added |
| 2 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $197.7M | 13.4M | Added |
| 3 | STATE STREET CORP | $191.8M | 13.0M | Added |
| 4 | VANGUARD GROUP INC | $177.5M | 12.0M | Added |
| 5 | GROUP ONE TRADING LLC | $117.0M | 7.9M | Trimmed |
| 6 | Anson Funds Management LP | $105.5M | 7.1M | New |
| 7 | CITADEL ADVISORS LLC | $97.5M | 6.6M | Added |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | $72.1M | 4.9M | Added |
| 9 | BNP PARIBAS FINANCIAL MARKETS | $31.2M | 1.1M | Added |
| 10 | JONES FINANCIAL COMPANIES LLLP | $28.6M | 2.3M | Added |
| 11 | SIMPLEX TRADING, LLC | $26.6M | 1.8M | Added |
| 12 | NORTHERN TRUST CORP | $23.9M | 1.6M | Added |
| 13 | PERCEPTIVE ADVISORS LLC | $22.1M | 1.5M | New |
| 14 | JANE STREET GROUP, LLC | $21.0M | 1.4M | Added |
| 15 | UBS Group AG | $18.5M | 1.3M | Added |
| 16 | MORGAN STANLEY | $18.2M | 1.2M | Trimmed |
| 17 | DAGCO, INC. | $18.2M | 1.2M | Added |
| 18 | Sio Capital Management, LLC | $18.2M | 1.2M | New |
| 19 | MILLENNIUM MANAGEMENT LLC | $16.3M | 1.1M | Added |
| 20 | BARCLAYS PLC | $12.4M | 837,383 | Added |
| 21 | BANK OF AMERICA CORP /DE/ | $11.6M | 787,949 | Added |
| 22 | WELLINGTON MANAGEMENT GROUP LLP | $8.8M | 597,309 | Added |
| 23 | GOLDMAN SACHS GROUP INC | $8.6M | 585,035 | Added |
| 24 | Sixth Street Partners Management Company, L.P. | $8.3M | 565,008 | New |
| 25 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $8.3M | 565,008 | Added |
Source: SEC Form 13F filings · as of 2026-06-30