SELLAS Life Sciences Group, Inc.
SLS- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001390478
No open-market purchases or sales by SELLAS Life Sciences Group, Inc. insiders were filed in the last 90 days; 193 institutions reported holding it in 13F filings for Q2 2026, worth $1.08B in total; no superinvestor holds it.
13F holders, Q3 2025
Institutional positions in SELLAS Life Sciences Group, Inc. as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 94
- +16 vs. Q2 2025
- Shares held
- 32.9M
- +6.16M (+23.0%) vs. Q2 2025
- Total value
- $53.1M
- −$5.61M (−9.6%) vs. Q2 2025
- New holders
- 21
- 30 more added
- Sold out
- 5
- 19 more reduced
1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting SLS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 193 | $1.08B |
| Q1 2026 | 160 | $228.4M |
| Q4 2025 | 112 | $133.7M |
| Q3 2025 | 94 | $53.1M |
| Q2 2025 | 79 | $58.7M |
| Q1 2025 | 45 | $15.5M |
| Q4 2024 | 31 | $6.47M |
| Q3 2024 | 33 | $6.76M |
| Q2 2024 | 30 | $4.86M |
| Q1 2024 | 30 | $7.82M |
| Q4 2023 | 31 | $3.72M |
| Q3 2023 | 28 | $4.54M |
| Q2 2023 | 25 | $4.91M |
| Q1 2023 | 22 | $4.28M |
| Q4 2022 | 29 | $4.46M |
| Q3 2022 | 28 | $4.42M |
| Q2 2022 | 26 | $6.64M |
| Q1 2022 | 26 | $11.3M |
| Q4 2021 | 27 | $9.59M |
| Q3 2021 | 30 | $17.1M |
| Q2 2021 | 29 | $21.3M |
| Q1 2021 | 31 | $13.3M |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding SELLAS Life Sciences Group, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Avion Wealth | 573 | $0 | 0.00% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 2 | $4 | 0.00% | 00.0% | Unchanged |
| Caldwell Sutter Capital, Inc. | 100 | $161 | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 244 | $393 | 0.00% | +13+5.6% | Added |
| Jones Financial Companies LLLP | 374 | $610 | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 540 | $869 | 0.00% | +540 | New |
| Global Retirement Partners, LLC | 1,000 | $1.61K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 1,028 | $1.66K | 0.00% | +1,028 | New |
| The PNC Financial Services Group, Inc. | 1,152 | $1.85K | 0.00% | +1,152 | New |
| Amalgamated Bank | 3,259 | $5.00K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 4,274 | $6.88K | 0.00% | −38,141−89.9% | Reduced |
| CWM, LLC | 5,244 | $8.00K | 0.00% | +5,244 | New |
| Rockefeller Capital Management L.P. | 5,000 | $8.05K | 0.00% | +5,000 | New |
| SBI Securities Co., Ltd. | 5,726 | $9.22K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 5,959 | $9.59K | 0.00% | +4+0.1% | Added |
| Royal Bank of Canada | 9,445 | $14.0K | 0.00% | +6,871+266.9% | Added |
| Advisor Group Holdings, Inc. | 7,660 | $14.7K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 9,189 | $14.8K | 0.00% | +9,189 | New |
| Ameritas Investment Partners, Inc. | 9,744 | $15.7K | 0.00% | 00.0% | Unchanged |
| Great Valley Advisor Group, Inc. | 10,000 | $16.0K | 0.00% | −10,000−50.0% | Reduced |
| Nemes Rush Group LLC | 10,000 | $16.1K | 0.00% | 00.0% | Unchanged |
| Private Wealth Management Group, LLC | 10,000 | $16.1K | 0.00% | 00.0% | Unchanged |
| Brooklyn FI, LLC | 10,240 | $16.5K | 0.00% | 00.0% | Unchanged |
| Marshall Financial Group LLC | 10,309 | $16.6K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 10,626 | $17.1K | 0.00% | 00.0% | Unchanged |
| CIBC Bancorp USA Inc. | 10,736 | $17.3K | 0.00% | +10,736 | New |
| Caitong International Asset Management Co., Ltd | 10,833 | $17.4K | 0.01% | +5,709+111.4% | Added |
| Calton & Associates, Inc. | 11,000 | $17.7K | 0.00% | 00.0% | Unchanged |
| Victory Capital Management Inc | 11,870 | $19.1K | 0.00% | +223+1.9% | Added |
| Tower Research Capital LLC (TRC) | 12,789 | $20.6K | 0.00% | −2,676−17.3% | Reduced |
| Grange Capital, LLC | 13,501 | $21.7K | 0.02% | 00.0% | Unchanged |
| ELCO Management Co., LLC | 14,009 | $22.6K | 0.01% | +14,009 | New |
| Axxcess Wealth Management, LLC | 16,000 | $25.8K | 0.00% | +16,000 | New |
| Blair William & Co | 16,002 | $25.8K | 0.00% | 00.0% | Unchanged |
| Commonwealth Equity Services, LLC | 15,854 | $26.0K | 0.00% | −3,394−17.6% | Reduced |
| Quadrature Capital Ltd | 16,579 | $26.6K | 0.00% | −7,705−31.7% | Reduced |
| ProShare Advisors LLC | 17,221 | $27.7K | 0.00% | −2,350−12.0% | Reduced |
| Voya Investment Management LLC | 17,444 | $28.1K | 0.00% | −10,059−36.6% | Reduced |
| Prosperity Financial Group, Inc. | 18,500 | $29.8K | 0.01% | +2,000+12.1% | Added |
| SG Americas Securities, LLC | 19,366 | $31.0K | 0.00% | −1,544−7.4% | Reduced |
| Goldman Sachs Group Inc | 19,265 | $31.0K | 0.00% | −446,241−95.9% | Reduced |
| BNP Paribas Arbitrage, SA | 19,724 | $31.8K | 0.00% | +9,299+89.2% | Added |
| Cambridge Investment Research Advisors, Inc. | 20,000 | $32.0K | 0.00% | +20,000 | New |
| Simon Quick Advisors, LLC | 20,000 | $32.2K | 0.00% | 00.0% | Unchanged |
| Independent Financial Group, LLC | 23,250 | $37.4K | 0.00% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 23,351 | $37.6K | 0.00% | 00.0% | Unchanged |
| Kestra Advisory Services, LLC | 26,400 | $42.5K | 0.00% | +26,400 | New |
| SEI Investments Co | 26,581 | $42.8K | 0.00% | +26,581 | New |
| Equitable Holdings, Inc. | 27,060 | $43.6K | 0.00% | +10,000+58.6% | Added |
| Scissortail Wealth Management, LLC | 27,322 | $44.0K | 0.01% | +27,322 | New |
| Genesee Capital Advisors, LLC | 30,000 | $48.3K | 0.02% | +30,000 | New |
| Manufacturers Life Insurance Company, The | 33,454 | $53.9K | 0.00% | −1,097−3.2% | Reduced |
| Trustmark National Bank Trust Department | 36,511 | $58.8K | 0.00% | +36,511 | New |
| Tyche Wealth Partners LLC | 37,500 | $60.4K | 0.01% | +37,500 | New |
| MetLife Investment Management | 39,973 | $64.4K | 0.00% | −18,871−32.1% | Reduced |
| Northstar Asset Management LLC | 40,320 | $64.9K | 0.01% | +40,320 | New |
| JPMorgan Chase & Co | 40,722 | $65.6K | 0.00% | −21,170−34.2% | Reduced |
| Bank of America Corp | 42,150 | $67.9K | 0.00% | +7,571+21.9% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 44,647 | $71.9K | 0.00% | −7,563−14.5% | Reduced |
| Squarepoint Ops LLC | 46,180 | $74.3K | 0.00% | +30,058+186.4% | Added |
| Intech Investment Management LLC | 46,353 | $74.6K | 0.00% | +136+0.3% | Added |
| Price T Rowe Associates Inc | 47,959 | $78.0K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 49,300 | $79.4K | 0.00% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 49,960 | $80.4K | 0.00% | 00.0% | Unchanged |
| Invesco Ltd. | 50,179 | $80.8K | 0.00% | +130.0% | Added |
| Instrumental Wealth, LLC | 44,914 | $85.8K | 0.06% | +44,914 | New |
| Stoneridge Investment Partners LLC | 53,709 | $86.0K | 0.06% | +53,709 | New |
| LPL Financial LLC | 71,039 | $114.4K | 0.00% | +3,479+5.1% | Added |
| Wells Fargo & Company | 75,867 | $122.1K | 0.00% | +22,052+41.0% | Added |
| UBS Group AG | 84,989 | $136.8K | 0.00% | −224,698−72.6% | Reduced |
| Jane Street Group, LLC | 102,959 | $165.8K | 0.00% | +56,277+120.6% | Added |
| Mariner, LLC | 108,806 | $175.2K | 0.00% | +57,697+112.9% | Added |
| Deutsche Bank AG | 121,025 | $194.8K | 0.00% | +118,690+5,083.1% | Added |
| Rhumbline Advisers | 136,639 | $220.0K | 0.00% | +850+0.6% | Added |
| Two Sigma Investments, LP | 145,856 | $234.8K | 0.00% | −51,786−26.2% | Reduced |
| Barclays PLC | 182,680 | $294.1K | 0.00% | +9,877+5.7% | Added |
| Citadel Advisors LLC | 194,357 | $312.9K | 0.00% | +109,364+128.7% | Added |
| Bank of New York Mellon Corp | 205,682 | $331.1K | 0.00% | +4,222+2.1% | Added |
| Opus Capital Group, LLC | 250,000 | $403.0K | 0.05% | +10,000+4.2% | Added |
| Renaissance Technologies LLC | 291,822 | $469.8K | 0.00% | +291,822 | New |
| Charles Schwab Investment Management Inc | 294,106 | $473.5K | 0.00% | 00.0% | Unchanged |
| Millennium Management LLC | 314,702 | $506.7K | 0.00% | −812,523−72.1% | Reduced |
| Everhart Financial Group, Inc. | 331,150 | $533.2K | 0.05% | +331,150 | New |
| Gsa Capital Partners LLP | 518,995 | $836.0K | 0.07% | +92,411+21.7% | Added |
| Northern Trust Corp | 731,175 | $1.18M | 0.00% | +32,682+4.7% | Added |
| Susquehanna International Group, LLP | 863,575 | $1.39M | 0.00% | −626,097−42.0% | Reduced |
| Nuveen, LLC | 997,910 | $1.61M | 0.00% | +26,581+2.7% | Added |
| Morgan Stanley | 1,054,791 | $1.70M | 0.00% | −29,687−2.7% | Reduced |
| State Street Corp | 1,360,914 | $2.19M | 0.00% | +248,209+22.3% | Added |
| Geode Capital Management, LLC | 2,264,384 | $3.65M | 0.00% | +63,956+2.9% | Added |
| Marshall Wace, LLP | 2,357,999 | $3.80M | 0.00% | −357,490−13.2% | Reduced |
| BlackRock, Inc. | 5,686,886 | $9.16M | 0.00% | +1,096,613+23.9% | Added |
| Anson Funds Management LP | 6,032,938 | $9.71M | 1.08% | +5,757,938+2,093.8% | Added |
| Vanguard Group Inc | 6,839,905 | $11.0M | 0.00% | +185,106+2.8% | Added |
| XTX Topco Ltd | 0 | $0 | 0.00% | −76,900−100.0% | Sold out |
| Atom Investors LP | 0 | $0 | 0.00% | −54,624−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −31,314−100.0% | Sold out |
| Raymond James Financial Inc | 0 | $0 | 0.00% | −2,652−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −389−100.0% | Sold out |
| CIBC World Markets Corp | – | – | – | – | Not filed |