SELLAS Life Sciences Group, Inc. Common Stock (SLS) Ownership & Trading Activity
Institutional holders, insider transactions, and congressional trades for SLS. 13F holdings as of 2026-06-30.
In 13F filings for the quarter ended June 30, 2026, 184 institutions reported holding SLS, with 73.6 million shares worth $1.1 billion in aggregate.
Top Institutional Holders
| Institution | Shares | Value | Change |
|---|---|---|---|
| BlackRock | 15,070,302 | $222M | INCREASED |
| State Street | 12,996,558 | $192M | INCREASED |
| Vanguard | 12,024,749 | $177M | INCREASED |
| Geode Capital Management | 4,884,175 | $72M | INCREASED |
| Anson Funds Management | 4,500,000 | $66M | NEW |
Full institutional holdings, insider history, and congressional trades for SELLAS Life Sciences Group, Inc. Common Stock on SentiSense.