SELLAS Life Sciences Group, Inc. (NASDAQ:SLS) currently has 30 active institutional owners and shareholders as of today (December 2025), that have filed 13F forms with the Securities Exchange Commission (SEC).
| Owner Name | Date | Shares Held | Change (QoQ) | Change (%) | Value (USD) |
|---|---|---|---|---|---|
| VANGUARD GROUP INC | 30 Sep, 2025 | 6,839,905 | 185,106 | 2.78% | $11,012,247.00 |
| Anson Funds Management LP | 30 Sep, 2025 | 6,032,938 | 5,757,938 | 2,093.80% | $9,713,030.00 |
| BlackRock, Inc. | 30 Sep, 2025 | 5,686,886 | 1,096,613 | 23.89% | $9,155,886.00 |
| MARSHALL WACE, LLP | 30 Sep, 2025 | 2,357,999 | -357,490 | -13.16% | $3,796,377.00 |
| GEODE CAPITAL MANAGEMENT, LLC | 30 Sep, 2025 | 2,264,384 | 63,956 | 2.91% | $3,646,330.00 |
| STATE STREET CORP | 30 Sep, 2025 | 1,360,914 | 248,209 | 22.31% | $2,191,072.00 |
| MORGAN STANLEY | 30 Sep, 2025 | 1,054,791 | -29,687 | -2.74% | $1,698,214.00 |
| Nuveen, LLC | 30 Sep, 2025 | 997,910 | 26,581 | 2.74% | $1,606,635.00 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 30 Sep, 2025 | 863,575 | -626,097 | -42.03% | $1,390,356.00 |
| NORTHERN TRUST CORP | 30 Sep, 2025 | 731,175 | 32,682 | 4.68% | $1,177,191.00 |
| GSA CAPITAL PARTNERS LLP | 30 Sep, 2025 | 518,995 | 92,411 | 21.66% | $836.00 |
| DIADEMA PARTNERS LP | 30 Sep, 2025 | 400,000 | 0 | 0.00% | $644,000.00 |
| Everhart Financial Group, Inc. | 30 Sep, 2025 | 331,150 | 331,150 | 0.00% | $533,152.00 |
| MILLENNIUM MANAGEMENT LLC | 30 Sep, 2025 | 314,702 | -812,523 | -72.08% | $506,670.00 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 30 Sep, 2025 | 294,106 | 0 | 0.00% | $473,511.00 |
| RENAISSANCE TECHNOLOGIES LLC | 30 Sep, 2025 | 291,822 | 291,822 | 0.00% | $469,833.00 |
| Opus Capital Group, LLC | 30 Sep, 2025 | 250,000 | 10,000 | 4.17% | $403.00 |
| JANE STREET GROUP, LLC | 30 Sep, 2025 | 229,159 | -26,323 | -10.30% | $368,946.00 |
| Bank of New York Mellon Corp | 30 Sep, 2025 | 205,682 | 4,222 | 2.10% | $331,147.00 |
| CITADEL ADVISORS LLC | 30 Sep, 2025 | 194,357 | 194,357 | 0.00% | $312,915.00 |