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, Q4 2025
Institutional positions in SELLAS Life Sciences Group, Inc. as of Dec 31, 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
- 112
- +19 vs. Q3 2025
- Shares held
- 35.5M
- +2.53M (+7.7%) vs. Q3 2025
- Total value
- $133.7M
- +$80.7M (+152.2%) vs. Q3 2025
- New holders
- 28
- 50 more added
- Sold out
- 9
- 18 more reduced
1 institution that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding SELLAS Life Sciences Group, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Motiv8 Investments LLC | 80 | $0 | 0.00% | +80 | New |
| Parkside Financial Bank & Trust | 2 | $8 | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 21 | $79 | 0.00% | +21 | New |
| Caldwell Sutter Capital, Inc. | 100 | $377 | 0.00% | 00.0% | Unchanged |
| NVWM, LLC | 201 | $758 | 0.00% | +201 | New |
| The PNC Financial Services Group, Inc. | 283 | $1.07K | 0.00% | −869−75.4% | Reduced |
| Farther Finance Advisors, LLC | 350 | $1.32K | 0.00% | +350 | New |
| GAMMA Investing LLC | 372 | $1.40K | 0.00% | +372 | New |
| Strengthening Families & Communities, LLC | 500 | $1.89K | 0.00% | +500 | New |
| Avion Wealth | 573 | $2.00K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 790 | $2.98K | 0.00% | +546+223.8% | Added |
| SBI Securities Co., Ltd. | 3,591 | $13.5K | 0.00% | −2,135−37.3% | Reduced |
| Amalgamated Bank | 3,892 | $15.0K | 0.00% | +633+19.4% | Added |
| Rockefeller Capital Management L.P. | 5,000 | $18.9K | 0.00% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 5,000 | $18.9K | 0.00% | +4,000+400.0% | Added |
| SageView Advisory Group, LLC | 5,000 | $18.9K | 0.00% | +5,000 | New |
| Tower Research Capital LLC (TRC) | 6,474 | $24.4K | 0.00% | −6,315−49.4% | Reduced |
| New York State Common Retirement Fund | 6,900 | $26.0K | 0.00% | −42,400−86.0% | Reduced |
| Larson Financial Group LLC | 6,993 | $26.4K | 0.00% | +6,993 | New |
| FMR LLC | 7,495 | $28.3K | 0.00% | +6,467+629.1% | Added |
| California State Teachers Retirement System | 7,628 | $28.8K | 0.00% | +1,669+28.0% | Added |
| Royal Bank of Canada | 7,651 | $29.0K | 0.00% | −1,794−19.0% | Reduced |
| Russell Investments Group, Ltd. | 9,560 | $36.0K | 0.00% | +371+4.0% | Added |
| Ameritas Investment Partners, Inc. | 9,744 | $36.7K | 0.00% | 00.0% | Unchanged |
| Nemes Rush Group LLC | 10,000 | $37.7K | 0.00% | 00.0% | Unchanged |
| Private Wealth Management Group, LLC | 10,000 | $37.7K | 0.01% | 00.0% | Unchanged |
| Beacon Pointe Advisors, LLC | 10,000 | $37.7K | 0.00% | +10,000 | New |
| Concurrent Investment Advisors, LLC | 10,085 | $38.0K | 0.00% | +10,085 | New |
| Jefferies Financial Group Inc. | 10,100 | $38.1K | 0.00% | +10,100 | New |
| Money Concepts Capital Corp | 10,600 | $40.0K | 0.00% | +10,600 | New |
| Calton & Associates, Inc. | 11,000 | $41.5K | 0.01% | 00.0% | Unchanged |
| CWM, LLC | 11,782 | $44.0K | 0.00% | +6,538+124.7% | Added |
| Cambridge Investment Research Advisors, Inc. | 12,435 | $47.0K | 0.00% | −7,565−37.8% | Reduced |
| Ewa, LLC | 12,796 | $48.2K | 0.01% | +12,796 | New |
| Legal & General Group Plc | 13,032 | $49.1K | 0.00% | +2,406+22.6% | Added |
| Stifel Financial Corp | 13,036 | $49.1K | 0.00% | +13,036 | New |
| Squarepoint Ops LLC | 13,285 | $50.1K | 0.00% | −32,895−71.2% | Reduced |
| Boothbay Fund Management, LLC | 13,800 | $52.0K | 0.00% | +13,800 | New |
| ELCO Management Co., LLC | 14,609 | $55.1K | 0.03% | +600+4.3% | Added |
| Grange Capital, LLC | 16,001 | $60.3K | 0.06% | +2,500+18.5% | Added |
| Victory Capital Management Inc | 16,351 | $61.6K | 0.00% | +4,481+37.8% | Added |
| Private Advisor Group, LLC | 18,205 | $68.6K | 0.00% | +18,205 | New |
| Simon Quick Advisors, LLC | 20,000 | $75.4K | 0.00% | 00.0% | Unchanged |
| Voya Investment Management LLC | 21,034 | $79.3K | 0.00% | +3,590+20.6% | Added |
| ProShare Advisors LLC | 22,638 | $85.3K | 0.00% | +5,417+31.5% | Added |
| Independent Financial Group, LLC | 23,250 | $87.7K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 23,689 | $89.3K | 0.00% | +16,029+209.3% | Added |
| Trustmark National Bank Trust Department | 24,000 | $90.5K | 0.01% | −12,511−34.3% | Reduced |
| Jaffetilchin Investment Partners, LLC | 24,338 | $91.8K | 0.01% | +24,338 | New |
| Millington Financial Advisors, LLC | 25,000 | $93.3K | 0.04% | +25,000 | New |
| Blair William & Co | 26,002 | $98.0K | 0.00% | +10,000+62.5% | Added |
| SEI Investments Co | 26,581 | $100.2K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 26,838 | $101.2K | 0.00% | +7,114+36.1% | Added |
| MetLife Investment Management | 27,181 | $102.5K | 0.00% | −12,792−32.0% | Reduced |
| Scissortail Wealth Management, LLC | 27,322 | $103.0K | 0.02% | 00.0% | Unchanged |
| Kestra Advisory Services, LLC | 27,400 | $103.3K | 0.00% | +1,000+3.8% | Added |
| Commonwealth Equity Services, LLC | 29,244 | $110.2K | 0.00% | +13,390+84.5% | Added |
| Genesee Capital Advisors, LLC | 30,000 | $113.1K | 0.05% | 00.0% | Unchanged |
| Equitable Holdings, Inc. | 32,060 | $120.9K | 0.00% | +5,000+18.5% | Added |
| Police & Firemen's Retirement System of New Jersey | 34,743 | $131.0K | 0.00% | +11,392+48.8% | Added |
| Axxcess Wealth Management, LLC | 35,370 | $133.3K | 0.00% | +19,370+121.1% | Added |
| Regal Investment Advisors LLC | 35,900 | $135.3K | 0.01% | +35,900 | New |
| Visionary Horizons, LLC | 36,000 | $135.7K | 0.07% | +36,000 | New |
| SG Americas Securities, LLC | 36,450 | $137.0K | 0.00% | +17,084+88.2% | Added |
| Tyche Wealth Partners LLC | 37,500 | $141.4K | 0.02% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 38,018 | $143.3K | 0.00% | +4,564+13.6% | Added |
| Scientech Research LLC | 38,743 | $146.1K | 0.09% | +38,743 | New |
| Intech Investment Management LLC | 40,272 | $151.8K | 0.00% | −6,081−13.1% | Reduced |
| Pensionmark Financial Group, LLC | 44,123 | $166.3K | 0.00% | +44,123 | New |
| Fulcrum Wealth Advisors, LLC | 48,664 | $183.5K | 0.15% | +48,664 | New |
| UBS Group AG | 48,727 | $183.7K | 0.00% | −36,262−42.7% | Reduced |
| JPMorgan Chase & Co | 49,479 | $186.5K | 0.00% | +8,757+21.5% | Added |
| Alliancebernstein L.P. | 49,960 | $188.3K | 0.00% | 00.0% | Unchanged |
| Northstar Asset Management LLC | 50,000 | $188.5K | 0.04% | +9,680+24.0% | Added |
| Invesco Ltd. | 53,293 | $200.9K | 0.00% | +3,114+6.2% | Added |
| Caitong International Asset Management Co., Ltd | 55,129 | $207.8K | 0.05% | +44,296+408.9% | Added |
| Citigroup Inc | 55,475 | $209.1K | 0.00% | +51,201+1,198.0% | Added |
| Two Sigma Securities, LLC | 57,105 | $215.3K | 0.03% | +57,105 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 57,547 | $217.0K | 0.00% | +12,900+28.9% | Added |
| Instrumental Wealth, LLC | 44,914 | $221.0K | 0.13% | 00.0% | Unchanged |
| Jane Street Group, LLC | 59,536 | $224.5K | 0.00% | −43,423−42.2% | Reduced |
| Stoneridge Investment Partners LLC | 61,327 | $231.0K | 0.16% | +7,618+14.2% | Added |
| Price T Rowe Associates Inc | 63,026 | $238.0K | 0.00% | +15,067+31.4% | Added |
| Two Sigma Advisers, LP | 76,554 | $288.6K | 0.00% | +76,554 | New |
| Deutsche Bank AG | 91,688 | $345.7K | 0.00% | −29,337−24.2% | Reduced |
| LPL Financial LLC | 96,305 | $363.1K | 0.00% | +25,266+35.6% | Added |
| Bank of America Corp | 100,935 | $380.5K | 0.00% | +58,785+139.5% | Added |
| XTX Topco Ltd | 118,440 | $446.5K | 0.01% | +118,440 | New |
| Rhumbline Advisers | 129,309 | $487.5K | 0.00% | −7,330−5.4% | Reduced |
| Mariner, LLC | 159,150 | $600.0K | 0.00% | +50,344+46.3% | Added |
| Bank of New York Mellon Corp | 256,409 | $966.7K | 0.00% | +50,727+24.7% | Added |
| Wells Fargo & Company | 299,305 | $1.13M | 0.00% | +223,438+294.5% | Added |
| Opus Capital Group, LLC | 317,100 | $1.20M | 0.13% | +67,100+26.8% | Added |
| Gsa Capital Partners LLP | 345,052 | $1.30M | 0.11% | −173,943−33.5% | Reduced |
| Susquehanna International Group, LLP | 349,755 | $1.32M | 0.00% | −513,820−59.5% | Reduced |
| Charles Schwab Investment Management Inc | 408,401 | $1.54M | 0.00% | +114,295+38.9% | Added |
| Goldman Sachs Group Inc | 411,654 | $1.55M | 0.00% | +392,389+2,036.8% | Added |
| Jones Financial Companies LLLP | 429,243 | $1.62M | 0.00% | +428,869+114,670.9% | Added |
| Everhart Financial Group, Inc. | 466,216 | $1.76M | 0.16% | +135,066+40.8% | Added |
| Clear Street Group Inc. | 500,000 | $1.89M | 0.01% | +500,000 | New |